| nkeynes@23 | 1 | /**
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| nkeynes@401 | 2 | * $Id: sh4core.c,v 1.48 2007-09-20 08:37:19 nkeynes Exp $
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| nkeynes@23 | 3 | *
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| nkeynes@23 | 4 | * SH4 emulation core, and parent module for all the SH4 peripheral
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| nkeynes@23 | 5 | * modules.
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| nkeynes@23 | 6 | *
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| nkeynes@23 | 7 | * Copyright (c) 2005 Nathan Keynes.
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| nkeynes@23 | 8 | *
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| nkeynes@23 | 9 | * This program is free software; you can redistribute it and/or modify
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| nkeynes@23 | 10 | * it under the terms of the GNU General Public License as published by
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| nkeynes@23 | 11 | * the Free Software Foundation; either version 2 of the License, or
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| nkeynes@23 | 12 | * (at your option) any later version.
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| nkeynes@23 | 13 | *
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| nkeynes@23 | 14 | * This program is distributed in the hope that it will be useful,
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| nkeynes@23 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| nkeynes@23 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| nkeynes@23 | 17 | * GNU General Public License for more details.
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| nkeynes@23 | 18 | */
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| nkeynes@23 | 19 |
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| nkeynes@35 | 20 | #define MODULE sh4_module
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| nkeynes@1 | 21 | #include <math.h>
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| nkeynes@1 | 22 | #include "dream.h"
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| nkeynes@84 | 23 | #include "sh4/sh4core.h"
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| nkeynes@84 | 24 | #include "sh4/sh4mmio.h"
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| nkeynes@84 | 25 | #include "sh4/intc.h"
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| nkeynes@1 | 26 | #include "mem.h"
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| nkeynes@23 | 27 | #include "clock.h"
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| nkeynes@102 | 28 | #include "syscall.h"
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| nkeynes@1 | 29 |
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| nkeynes@157 | 30 | #define SH4_CALLTRACE 1
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| nkeynes@157 | 31 |
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| nkeynes@123 | 32 | #define MAX_INT 0x7FFFFFFF
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| nkeynes@123 | 33 | #define MIN_INT 0x80000000
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| nkeynes@123 | 34 | #define MAX_INTF 2147483647.0
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| nkeynes@123 | 35 | #define MIN_INTF -2147483648.0
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| nkeynes@123 | 36 |
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| nkeynes@23 | 37 | /********************** SH4 Module Definition ****************************/
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| nkeynes@23 | 38 |
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| nkeynes@391 | 39 | uint16_t *sh4_icache = NULL;
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| nkeynes@391 | 40 | uint32_t sh4_icache_addr = 0;
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| nkeynes@43 | 41 |
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| nkeynes@30 | 42 | uint32_t sh4_run_slice( uint32_t nanosecs )
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| nkeynes@1 | 43 | {
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| nkeynes@23 | 44 | int i;
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| nkeynes@265 | 45 | sh4r.slice_cycle = 0;
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| nkeynes@23 | 46 |
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| nkeynes@27 | 47 | if( sh4r.sh4_state != SH4_STATE_RUNNING ) {
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| nkeynes@265 | 48 | if( sh4r.event_pending < nanosecs ) {
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| nkeynes@265 | 49 | sh4r.sh4_state = SH4_STATE_RUNNING;
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| nkeynes@265 | 50 | sh4r.slice_cycle = sh4r.event_pending;
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| nkeynes@265 | 51 | }
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| nkeynes@23 | 52 | }
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| nkeynes@27 | 53 |
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| nkeynes@235 | 54 | if( sh4_breakpoint_count == 0 ) {
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| nkeynes@265 | 55 | for( ; sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
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| nkeynes@265 | 56 | if( SH4_EVENT_PENDING() ) {
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| nkeynes@265 | 57 | if( sh4r.event_types & PENDING_EVENT ) {
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| nkeynes@265 | 58 | event_execute();
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| nkeynes@265 | 59 | }
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| nkeynes@265 | 60 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
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| nkeynes@265 | 61 | if( sh4r.event_types & PENDING_IRQ ) {
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| nkeynes@265 | 62 | sh4_accept_interrupt();
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| nkeynes@265 | 63 | }
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| nkeynes@265 | 64 | }
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| nkeynes@235 | 65 | if( !sh4_execute_instruction() ) {
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| nkeynes@43 | 66 | break;
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| nkeynes@43 | 67 | }
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| nkeynes@43 | 68 | }
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| nkeynes@235 | 69 | } else {
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| nkeynes@265 | 70 | for( ;sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
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| nkeynes@265 | 71 | if( SH4_EVENT_PENDING() ) {
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| nkeynes@265 | 72 | if( sh4r.event_types & PENDING_EVENT ) {
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| nkeynes@265 | 73 | event_execute();
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| nkeynes@265 | 74 | }
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| nkeynes@265 | 75 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
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| nkeynes@265 | 76 | if( sh4r.event_types & PENDING_IRQ ) {
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| nkeynes@265 | 77 | sh4_accept_interrupt();
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| nkeynes@265 | 78 | }
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| nkeynes@265 | 79 | }
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| nkeynes@265 | 80 |
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| nkeynes@235 | 81 | if( !sh4_execute_instruction() )
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| nkeynes@235 | 82 | break;
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| nkeynes@235 | 83 | #ifdef ENABLE_DEBUG_MODE
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| nkeynes@235 | 84 | for( i=0; i<sh4_breakpoint_count; i++ ) {
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| nkeynes@235 | 85 | if( sh4_breakpoints[i].address == sh4r.pc ) {
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| nkeynes@235 | 86 | break;
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| nkeynes@235 | 87 | }
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| nkeynes@235 | 88 | }
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| nkeynes@235 | 89 | if( i != sh4_breakpoint_count ) {
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| nkeynes@235 | 90 | dreamcast_stop();
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| nkeynes@235 | 91 | if( sh4_breakpoints[i].type == BREAK_ONESHOT )
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| nkeynes@235 | 92 | sh4_clear_breakpoint( sh4r.pc, BREAK_ONESHOT );
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| nkeynes@235 | 93 | break;
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| nkeynes@235 | 94 | }
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| nkeynes@235 | 95 | #endif
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| nkeynes@43 | 96 | }
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| nkeynes@27 | 97 | }
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| nkeynes@30 | 98 |
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| nkeynes@30 | 99 | /* If we aborted early, but the cpu is still technically running,
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| nkeynes@30 | 100 | * we're doing a hard abort - cut the timeslice back to what we
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| nkeynes@30 | 101 | * actually executed
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| nkeynes@30 | 102 | */
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| nkeynes@53 | 103 | if( sh4r.slice_cycle != nanosecs && sh4r.sh4_state == SH4_STATE_RUNNING ) {
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| nkeynes@53 | 104 | nanosecs = sh4r.slice_cycle;
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| nkeynes@27 | 105 | }
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| nkeynes@27 | 106 | if( sh4r.sh4_state != SH4_STATE_STANDBY ) {
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| nkeynes@30 | 107 | TMU_run_slice( nanosecs );
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| nkeynes@30 | 108 | SCIF_run_slice( nanosecs );
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| nkeynes@27 | 109 | }
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| nkeynes@30 | 110 | return nanosecs;
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| nkeynes@1 | 111 | }
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| nkeynes@1 | 112 |
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| nkeynes@23 | 113 | /********************** SH4 emulation core ****************************/
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| nkeynes@23 | 114 |
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| nkeynes@246 | 115 | #define UNDEF(ir) return sh4_raise_slot_exception(EXC_ILLEGAL, EXC_SLOT_ILLEGAL)
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| nkeynes@27 | 116 | #define UNIMP(ir) do{ ERROR( "Halted on unimplemented instruction at %08x, opcode = %04x", sh4r.pc, ir ); dreamcast_stop(); return FALSE; }while(0)
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| nkeynes@1 | 117 |
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| nkeynes@157 | 118 | #if(SH4_CALLTRACE == 1)
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| nkeynes@157 | 119 | #define MAX_CALLSTACK 32
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| nkeynes@157 | 120 | static struct call_stack {
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| nkeynes@157 | 121 | sh4addr_t call_addr;
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| nkeynes@157 | 122 | sh4addr_t target_addr;
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| nkeynes@157 | 123 | sh4addr_t stack_pointer;
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| nkeynes@157 | 124 | } call_stack[MAX_CALLSTACK];
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| nkeynes@157 | 125 |
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| nkeynes@157 | 126 | static int call_stack_depth = 0;
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| nkeynes@157 | 127 | int sh4_call_trace_on = 0;
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| nkeynes@157 | 128 |
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| nkeynes@157 | 129 | static inline trace_call( sh4addr_t source, sh4addr_t dest )
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| nkeynes@157 | 130 | {
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| nkeynes@157 | 131 | if( call_stack_depth < MAX_CALLSTACK ) {
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| nkeynes@157 | 132 | call_stack[call_stack_depth].call_addr = source;
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| nkeynes@157 | 133 | call_stack[call_stack_depth].target_addr = dest;
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| nkeynes@157 | 134 | call_stack[call_stack_depth].stack_pointer = sh4r.r[15];
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| nkeynes@157 | 135 | }
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| nkeynes@157 | 136 | call_stack_depth++;
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| nkeynes@157 | 137 | }
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| nkeynes@157 | 138 |
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| nkeynes@157 | 139 | static inline trace_return( sh4addr_t source, sh4addr_t dest )
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| nkeynes@157 | 140 | {
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| nkeynes@157 | 141 | if( call_stack_depth > 0 ) {
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| nkeynes@157 | 142 | call_stack_depth--;
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| nkeynes@157 | 143 | }
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| nkeynes@157 | 144 | }
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| nkeynes@157 | 145 |
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| nkeynes@157 | 146 | void fprint_stack_trace( FILE *f )
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| nkeynes@157 | 147 | {
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| nkeynes@157 | 148 | int i = call_stack_depth -1;
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| nkeynes@157 | 149 | if( i >= MAX_CALLSTACK )
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| nkeynes@157 | 150 | i = MAX_CALLSTACK - 1;
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| nkeynes@157 | 151 | for( ; i >= 0; i-- ) {
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| nkeynes@157 | 152 | fprintf( f, "%d. Call from %08X => %08X, SP=%08X\n",
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| nkeynes@157 | 153 | (call_stack_depth - i), call_stack[i].call_addr,
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| nkeynes@157 | 154 | call_stack[i].target_addr, call_stack[i].stack_pointer );
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| nkeynes@157 | 155 | }
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| nkeynes@157 | 156 | }
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| nkeynes@157 | 157 |
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| nkeynes@157 | 158 | #define TRACE_CALL( source, dest ) trace_call(source, dest)
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| nkeynes@157 | 159 | #define TRACE_RETURN( source, dest ) trace_return(source, dest)
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| nkeynes@157 | 160 | #else
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| nkeynes@157 | 161 | #define TRACE_CALL( dest, rts )
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| nkeynes@157 | 162 | #define TRACE_RETURN( source, dest )
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| nkeynes@157 | 163 | #endif
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| nkeynes@157 | 164 |
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| nkeynes@10 | 165 | #define MEM_READ_BYTE( addr ) sh4_read_byte(addr)
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| nkeynes@10 | 166 | #define MEM_READ_WORD( addr ) sh4_read_word(addr)
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| nkeynes@10 | 167 | #define MEM_READ_LONG( addr ) sh4_read_long(addr)
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| nkeynes@10 | 168 | #define MEM_WRITE_BYTE( addr, val ) sh4_write_byte(addr, val)
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| nkeynes@10 | 169 | #define MEM_WRITE_WORD( addr, val ) sh4_write_word(addr, val)
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| nkeynes@10 | 170 | #define MEM_WRITE_LONG( addr, val ) sh4_write_long(addr, val)
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| nkeynes@1 | 171 |
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| nkeynes@1 | 172 | #define FP_WIDTH (IS_FPU_DOUBLESIZE() ? 8 : 4)
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| nkeynes@1 | 173 |
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| nkeynes@124 | 174 | #define MEM_FP_READ( addr, reg ) sh4_read_float( addr, reg );
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| nkeynes@124 | 175 | #define MEM_FP_WRITE( addr, reg ) sh4_write_float( addr, reg );
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| nkeynes@84 | 176 |
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| nkeynes@246 | 177 | #define CHECKPRIV() if( !IS_SH4_PRIVMODE() ) return sh4_raise_slot_exception( EXC_ILLEGAL, EXC_SLOT_ILLEGAL )
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| nkeynes@367 | 178 | #define CHECKRALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
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| nkeynes@367 | 179 | #define CHECKRALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
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| nkeynes@367 | 180 | #define CHECKWALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
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| nkeynes@367 | 181 | #define CHECKWALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
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| nkeynes@208 | 182 |
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| nkeynes@367 | 183 | #define CHECKFPUEN() if( !IS_FPU_ENABLED() ) { if( ir == 0xFFFD ) { UNDEF(ir); } else { return sh4_raise_slot_exception( EXC_FPU_DISABLED, EXC_SLOT_FPU_DISABLED ); } }
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| nkeynes@84 | 184 | #define CHECKDEST(p) if( (p) == 0 ) { ERROR( "%08X: Branch/jump to NULL, CPU halted", sh4r.pc ); dreamcast_stop(); return FALSE; }
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| nkeynes@246 | 185 | #define CHECKSLOTILLEGAL() if(sh4r.in_delay_slot) return sh4_raise_exception(EXC_SLOT_ILLEGAL)
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| nkeynes@1 | 186 |
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| nkeynes@124 | 187 | static void sh4_write_float( uint32_t addr, int reg )
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| nkeynes@124 | 188 | {
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| nkeynes@124 | 189 | if( IS_FPU_DOUBLESIZE() ) {
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| nkeynes@124 | 190 | if( reg & 1 ) {
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| nkeynes@124 | 191 | sh4_write_long( addr, *((uint32_t *)&XF((reg)&0x0E)) );
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| nkeynes@124 | 192 | sh4_write_long( addr+4, *((uint32_t *)&XF(reg)) );
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| nkeynes@124 | 193 | } else {
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| nkeynes@124 | 194 | sh4_write_long( addr, *((uint32_t *)&FR(reg)) );
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| nkeynes@124 | 195 | sh4_write_long( addr+4, *((uint32_t *)&FR((reg)|0x01)) );
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| nkeynes@124 | 196 | }
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| nkeynes@124 | 197 | } else {
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| nkeynes@124 | 198 | sh4_write_long( addr, *((uint32_t *)&FR((reg))) );
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| nkeynes@124 | 199 | }
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| nkeynes@124 | 200 | }
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| nkeynes@124 | 201 |
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| nkeynes@124 | 202 | static void sh4_read_float( uint32_t addr, int reg )
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| nkeynes@124 | 203 | {
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| nkeynes@124 | 204 | if( IS_FPU_DOUBLESIZE() ) {
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| nkeynes@124 | 205 | if( reg & 1 ) {
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| nkeynes@124 | 206 | *((uint32_t *)&XF((reg) & 0x0E)) = sh4_read_long(addr);
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| nkeynes@124 | 207 | *((uint32_t *)&XF(reg)) = sh4_read_long(addr+4);
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| nkeynes@124 | 208 | } else {
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| nkeynes@124 | 209 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
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| nkeynes@124 | 210 | *((uint32_t *)&FR((reg) | 0x01)) = sh4_read_long(addr+4);
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| nkeynes@124 | 211 | }
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| nkeynes@124 | 212 | } else {
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| nkeynes@124 | 213 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
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| nkeynes@124 | 214 | }
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| nkeynes@124 | 215 | }
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| nkeynes@124 | 216 |
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| nkeynes@27 | 217 | gboolean sh4_execute_instruction( void )
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| nkeynes@1 | 218 | {
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| nkeynes@84 | 219 | uint32_t pc;
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| nkeynes@2 | 220 | unsigned short ir;
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| nkeynes@1 | 221 | uint32_t tmp;
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| nkeynes@123 | 222 | float ftmp;
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| nkeynes@123 | 223 | double dtmp;
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| nkeynes@1 | 224 |
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| nkeynes@1 | 225 | #define R0 sh4r.r[0]
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| nkeynes@2 | 226 | pc = sh4r.pc;
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| nkeynes@84 | 227 | if( pc > 0xFFFFFF00 ) {
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| nkeynes@84 | 228 | /* SYSCALL Magic */
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| nkeynes@102 | 229 | syscall_invoke( pc );
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| nkeynes@104 | 230 | sh4r.in_delay_slot = 0;
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| nkeynes@84 | 231 | pc = sh4r.pc = sh4r.pr;
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| nkeynes@84 | 232 | sh4r.new_pc = sh4r.pc + 2;
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| nkeynes@84 | 233 | }
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| nkeynes@208 | 234 | CHECKRALIGN16(pc);
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| nkeynes@235 | 235 |
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| nkeynes@235 | 236 | /* Read instruction */
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| nkeynes@235 | 237 | uint32_t pageaddr = pc >> 12;
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| nkeynes@235 | 238 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) {
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| nkeynes@235 | 239 | ir = sh4_icache[(pc&0xFFF)>>1];
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| nkeynes@235 | 240 | } else {
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| nkeynes@235 | 241 | sh4_icache = (uint16_t *)mem_get_page(pc);
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| nkeynes@235 | 242 | if( ((uint32_t)sh4_icache) < MAX_IO_REGIONS ) {
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| nkeynes@235 | 243 | /* If someone's actually been so daft as to try to execute out of an IO
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| nkeynes@235 | 244 | * region, fallback on the full-blown memory read
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| nkeynes@235 | 245 | */
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| nkeynes@235 | 246 | sh4_icache = NULL;
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| nkeynes@235 | 247 | ir = MEM_READ_WORD(pc);
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| nkeynes@235 | 248 | } else {
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| nkeynes@235 | 249 | sh4_icache_addr = pageaddr;
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| nkeynes@235 | 250 | ir = sh4_icache[(pc&0xFFF)>>1];
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| nkeynes@235 | 251 | }
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| nkeynes@235 | 252 | }
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| nkeynes@359 | 253 | switch( (ir&0xF000) >> 12 ) {
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| nkeynes@359 | 254 | case 0x0:
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| nkeynes@359 | 255 | switch( ir&0xF ) {
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| nkeynes@359 | 256 | case 0x2:
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| nkeynes@359 | 257 | switch( (ir&0x80) >> 7 ) {
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| nkeynes@359 | 258 | case 0x0:
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| nkeynes@359 | 259 | switch( (ir&0x70) >> 4 ) {
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| nkeynes@359 | 260 | case 0x0:
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| nkeynes@359 | 261 | { /* STC SR, Rn */
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| nkeynes@359 | 262 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 263 | CHECKPRIV();
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| nkeynes@359 | 264 | sh4r.r[Rn] = sh4_read_sr();
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| nkeynes@359 | 265 | }
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| nkeynes@359 | 266 | break;
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| nkeynes@359 | 267 | case 0x1:
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| nkeynes@359 | 268 | { /* STC GBR, Rn */
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| nkeynes@359 | 269 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 270 | CHECKPRIV();
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| nkeynes@359 | 271 | sh4r.r[Rn] = sh4r.gbr;
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| nkeynes@359 | 272 | }
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| nkeynes@359 | 273 | break;
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| nkeynes@359 | 274 | case 0x2:
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| nkeynes@359 | 275 | { /* STC VBR, Rn */
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| nkeynes@359 | 276 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 277 | CHECKPRIV();
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| nkeynes@359 | 278 | sh4r.r[Rn] = sh4r.vbr;
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| nkeynes@359 | 279 | }
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| nkeynes@359 | 280 | break;
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| nkeynes@359 | 281 | case 0x3:
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| nkeynes@359 | 282 | { /* STC SSR, Rn */
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| nkeynes@359 | 283 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 284 | CHECKPRIV();
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| nkeynes@359 | 285 | sh4r.r[Rn] = sh4r.ssr;
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| nkeynes@359 | 286 | }
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| nkeynes@359 | 287 | break;
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| nkeynes@359 | 288 | case 0x4:
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| nkeynes@359 | 289 | { /* STC SPC, Rn */
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| nkeynes@359 | 290 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 291 | CHECKPRIV();
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| nkeynes@359 | 292 | sh4r.r[Rn] = sh4r.spc;
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| nkeynes@359 | 293 | }
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| nkeynes@359 | 294 | break;
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| nkeynes@359 | 295 | default:
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| nkeynes@359 | 296 | UNDEF();
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| nkeynes@359 | 297 | break;
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| nkeynes@359 | 298 | }
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| nkeynes@359 | 299 | break;
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| nkeynes@359 | 300 | case 0x1:
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| nkeynes@359 | 301 | { /* STC Rm_BANK, Rn */
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| nkeynes@359 | 302 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
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| nkeynes@359 | 303 | CHECKPRIV();
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| nkeynes@359 | 304 | sh4r.r[Rn] = sh4r.r_bank[Rm_BANK];
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| nkeynes@359 | 305 | }
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| nkeynes@359 | 306 | break;
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| nkeynes@359 | 307 | }
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| nkeynes@359 | 308 | break;
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| nkeynes@359 | 309 | case 0x3:
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| nkeynes@359 | 310 | switch( (ir&0xF0) >> 4 ) {
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| nkeynes@359 | 311 | case 0x0:
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| nkeynes@359 | 312 | { /* BSRF Rn */
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| nkeynes@359 | 313 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 314 | CHECKSLOTILLEGAL();
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| nkeynes@359 | 315 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
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| nkeynes@359 | 316 | sh4r.in_delay_slot = 1;
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| nkeynes@359 | 317 | sh4r.pr = sh4r.pc + 4;
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| nkeynes@359 | 318 | sh4r.pc = sh4r.new_pc;
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| nkeynes@359 | 319 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
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| nkeynes@359 | 320 | TRACE_CALL( pc, sh4r.new_pc );
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| nkeynes@359 | 321 | return TRUE;
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| nkeynes@359 | 322 | }
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| nkeynes@359 | 323 | break;
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| nkeynes@359 | 324 | case 0x2:
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| nkeynes@359 | 325 | { /* BRAF Rn */
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| nkeynes@359 | 326 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 327 | CHECKSLOTILLEGAL();
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| nkeynes@359 | 328 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
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| nkeynes@359 | 329 | sh4r.in_delay_slot = 1;
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| nkeynes@359 | 330 | sh4r.pc = sh4r.new_pc;
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| nkeynes@359 | 331 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
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| nkeynes@359 | 332 | return TRUE;
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| nkeynes@359 | 333 | }
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| nkeynes@359 | 334 | break;
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| nkeynes@359 | 335 | case 0x8:
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| nkeynes@359 | 336 | { /* PREF @Rn */
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| nkeynes@359 | 337 | uint32_t Rn = ((ir>>8)&0xF);
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| nkeynes@359 | 338 | tmp = sh4r.r[Rn];
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| nkeynes@359 | 339 | if( (tmp & 0xFC000000) == 0xE0000000 ) {
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| nkeynes@369 | 340 | sh4_flush_store_queue(tmp);
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| nkeynes@359 | 341 | }
|
| nkeynes@359 | 342 | }
|
| nkeynes@359 | 343 | break;
|
| nkeynes@359 | 344 | case 0x9:
|
| nkeynes@359 | 345 | { /* OCBI @Rn */
|
| nkeynes@359 | 346 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 347 | }
|
| nkeynes@359 | 348 | break;
|
| nkeynes@359 | 349 | case 0xA:
|
| nkeynes@359 | 350 | { /* OCBP @Rn */
|
| nkeynes@359 | 351 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 352 | }
|
| nkeynes@359 | 353 | break;
|
| nkeynes@359 | 354 | case 0xB:
|
| nkeynes@359 | 355 | { /* OCBWB @Rn */
|
| nkeynes@359 | 356 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 357 | }
|
| nkeynes@359 | 358 | break;
|
| nkeynes@359 | 359 | case 0xC:
|
| nkeynes@359 | 360 | { /* MOVCA.L R0, @Rn */
|
| nkeynes@359 | 361 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 362 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 363 | CHECKWALIGN32(tmp);
|
| nkeynes@359 | 364 | MEM_WRITE_LONG( tmp, R0 );
|
| nkeynes@359 | 365 | }
|
| nkeynes@359 | 366 | break;
|
| nkeynes@359 | 367 | default:
|
| nkeynes@359 | 368 | UNDEF();
|
| nkeynes@359 | 369 | break;
|
| nkeynes@359 | 370 | }
|
| nkeynes@359 | 371 | break;
|
| nkeynes@359 | 372 | case 0x4:
|
| nkeynes@359 | 373 | { /* MOV.B Rm, @(R0, Rn) */
|
| nkeynes@359 | 374 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 375 | MEM_WRITE_BYTE( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 376 | }
|
| nkeynes@359 | 377 | break;
|
| nkeynes@359 | 378 | case 0x5:
|
| nkeynes@359 | 379 | { /* MOV.W Rm, @(R0, Rn) */
|
| nkeynes@359 | 380 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 381 | CHECKWALIGN16( R0 + sh4r.r[Rn] );
|
| nkeynes@359 | 382 | MEM_WRITE_WORD( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 383 | }
|
| nkeynes@359 | 384 | break;
|
| nkeynes@359 | 385 | case 0x6:
|
| nkeynes@359 | 386 | { /* MOV.L Rm, @(R0, Rn) */
|
| nkeynes@359 | 387 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 388 | CHECKWALIGN32( R0 + sh4r.r[Rn] );
|
| nkeynes@359 | 389 | MEM_WRITE_LONG( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 390 | }
|
| nkeynes@359 | 391 | break;
|
| nkeynes@359 | 392 | case 0x7:
|
| nkeynes@359 | 393 | { /* MUL.L Rm, Rn */
|
| nkeynes@359 | 394 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 395 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 396 | (sh4r.r[Rm] * sh4r.r[Rn]);
|
| nkeynes@359 | 397 | }
|
| nkeynes@359 | 398 | break;
|
| nkeynes@359 | 399 | case 0x8:
|
| nkeynes@359 | 400 | switch( (ir&0xFF0) >> 4 ) {
|
| nkeynes@359 | 401 | case 0x0:
|
| nkeynes@359 | 402 | { /* CLRT */
|
| nkeynes@359 | 403 | sh4r.t = 0;
|
| nkeynes@359 | 404 | }
|
| nkeynes@359 | 405 | break;
|
| nkeynes@359 | 406 | case 0x1:
|
| nkeynes@359 | 407 | { /* SETT */
|
| nkeynes@359 | 408 | sh4r.t = 1;
|
| nkeynes@359 | 409 | }
|
| nkeynes@359 | 410 | break;
|
| nkeynes@359 | 411 | case 0x2:
|
| nkeynes@359 | 412 | { /* CLRMAC */
|
| nkeynes@359 | 413 | sh4r.mac = 0;
|
| nkeynes@359 | 414 | }
|
| nkeynes@359 | 415 | break;
|
| nkeynes@359 | 416 | case 0x3:
|
| nkeynes@359 | 417 | { /* LDTLB */
|
| nkeynes@359 | 418 | /* TODO */
|
| nkeynes@359 | 419 | }
|
| nkeynes@359 | 420 | break;
|
| nkeynes@359 | 421 | case 0x4:
|
| nkeynes@359 | 422 | { /* CLRS */
|
| nkeynes@359 | 423 | sh4r.s = 0;
|
| nkeynes@359 | 424 | }
|
| nkeynes@359 | 425 | break;
|
| nkeynes@359 | 426 | case 0x5:
|
| nkeynes@359 | 427 | { /* SETS */
|
| nkeynes@359 | 428 | sh4r.s = 1;
|
| nkeynes@359 | 429 | }
|
| nkeynes@359 | 430 | break;
|
| nkeynes@359 | 431 | default:
|
| nkeynes@359 | 432 | UNDEF();
|
| nkeynes@359 | 433 | break;
|
| nkeynes@359 | 434 | }
|
| nkeynes@359 | 435 | break;
|
| nkeynes@359 | 436 | case 0x9:
|
| nkeynes@359 | 437 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 438 | case 0x0:
|
| nkeynes@359 | 439 | { /* NOP */
|
| nkeynes@359 | 440 | /* NOP */
|
| nkeynes@359 | 441 | }
|
| nkeynes@359 | 442 | break;
|
| nkeynes@359 | 443 | case 0x1:
|
| nkeynes@359 | 444 | { /* DIV0U */
|
| nkeynes@359 | 445 | sh4r.m = sh4r.q = sh4r.t = 0;
|
| nkeynes@359 | 446 | }
|
| nkeynes@359 | 447 | break;
|
| nkeynes@359 | 448 | case 0x2:
|
| nkeynes@359 | 449 | { /* MOVT Rn */
|
| nkeynes@359 | 450 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 451 | sh4r.r[Rn] = sh4r.t;
|
| nkeynes@359 | 452 | }
|
| nkeynes@359 | 453 | break;
|
| nkeynes@359 | 454 | default:
|
| nkeynes@359 | 455 | UNDEF();
|
| nkeynes@359 | 456 | break;
|
| nkeynes@359 | 457 | }
|
| nkeynes@359 | 458 | break;
|
| nkeynes@359 | 459 | case 0xA:
|
| nkeynes@359 | 460 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 461 | case 0x0:
|
| nkeynes@359 | 462 | { /* STS MACH, Rn */
|
| nkeynes@359 | 463 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 464 | sh4r.r[Rn] = (sh4r.mac>>32);
|
| nkeynes@359 | 465 | }
|
| nkeynes@359 | 466 | break;
|
| nkeynes@359 | 467 | case 0x1:
|
| nkeynes@359 | 468 | { /* STS MACL, Rn */
|
| nkeynes@359 | 469 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 470 | sh4r.r[Rn] = (uint32_t)sh4r.mac;
|
| nkeynes@359 | 471 | }
|
| nkeynes@359 | 472 | break;
|
| nkeynes@359 | 473 | case 0x2:
|
| nkeynes@359 | 474 | { /* STS PR, Rn */
|
| nkeynes@359 | 475 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 476 | sh4r.r[Rn] = sh4r.pr;
|
| nkeynes@359 | 477 | }
|
| nkeynes@359 | 478 | break;
|
| nkeynes@359 | 479 | case 0x3:
|
| nkeynes@359 | 480 | { /* STC SGR, Rn */
|
| nkeynes@359 | 481 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 482 | CHECKPRIV();
|
| nkeynes@359 | 483 | sh4r.r[Rn] = sh4r.sgr;
|
| nkeynes@359 | 484 | }
|
| nkeynes@359 | 485 | break;
|
| nkeynes@359 | 486 | case 0x5:
|
| nkeynes@359 | 487 | { /* STS FPUL, Rn */
|
| nkeynes@359 | 488 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 489 | sh4r.r[Rn] = sh4r.fpul;
|
| nkeynes@359 | 490 | }
|
| nkeynes@359 | 491 | break;
|
| nkeynes@359 | 492 | case 0x6:
|
| nkeynes@359 | 493 | { /* STS FPSCR, Rn */
|
| nkeynes@359 | 494 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 495 | sh4r.r[Rn] = sh4r.fpscr;
|
| nkeynes@359 | 496 | }
|
| nkeynes@359 | 497 | break;
|
| nkeynes@359 | 498 | case 0xF:
|
| nkeynes@359 | 499 | { /* STC DBR, Rn */
|
| nkeynes@359 | 500 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 501 | CHECKPRIV(); sh4r.r[Rn] = sh4r.dbr;
|
| nkeynes@359 | 502 | }
|
| nkeynes@359 | 503 | break;
|
| nkeynes@359 | 504 | default:
|
| nkeynes@359 | 505 | UNDEF();
|
| nkeynes@359 | 506 | break;
|
| nkeynes@359 | 507 | }
|
| nkeynes@359 | 508 | break;
|
| nkeynes@359 | 509 | case 0xB:
|
| nkeynes@359 | 510 | switch( (ir&0xFF0) >> 4 ) {
|
| nkeynes@359 | 511 | case 0x0:
|
| nkeynes@359 | 512 | { /* RTS */
|
| nkeynes@359 | 513 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 514 | CHECKDEST( sh4r.pr );
|
| nkeynes@359 | 515 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 516 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 517 | sh4r.new_pc = sh4r.pr;
|
| nkeynes@359 | 518 | TRACE_RETURN( pc, sh4r.new_pc );
|
| nkeynes@359 | 519 | return TRUE;
|
| nkeynes@359 | 520 | }
|
| nkeynes@359 | 521 | break;
|
| nkeynes@359 | 522 | case 0x1:
|
| nkeynes@359 | 523 | { /* SLEEP */
|
| nkeynes@359 | 524 | if( MMIO_READ( CPG, STBCR ) & 0x80 ) {
|
| nkeynes@359 | 525 | sh4r.sh4_state = SH4_STATE_STANDBY;
|
| nkeynes@359 | 526 | } else {
|
| nkeynes@359 | 527 | sh4r.sh4_state = SH4_STATE_SLEEP;
|
| nkeynes@359 | 528 | }
|
| nkeynes@359 | 529 | return FALSE; /* Halt CPU */
|
| nkeynes@359 | 530 | }
|
| nkeynes@359 | 531 | break;
|
| nkeynes@359 | 532 | case 0x2:
|
| nkeynes@359 | 533 | { /* RTE */
|
| nkeynes@359 | 534 | CHECKPRIV();
|
| nkeynes@359 | 535 | CHECKDEST( sh4r.spc );
|
| nkeynes@359 | 536 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 537 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 538 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 539 | sh4r.new_pc = sh4r.spc;
|
| nkeynes@374 | 540 | sh4_write_sr( sh4r.ssr );
|
| nkeynes@359 | 541 | return TRUE;
|
| nkeynes@359 | 542 | }
|
| nkeynes@359 | 543 | break;
|
| nkeynes@359 | 544 | default:
|
| nkeynes@359 | 545 | UNDEF();
|
| nkeynes@359 | 546 | break;
|
| nkeynes@359 | 547 | }
|
| nkeynes@359 | 548 | break;
|
| nkeynes@359 | 549 | case 0xC:
|
| nkeynes@359 | 550 | { /* MOV.B @(R0, Rm), Rn */
|
| nkeynes@359 | 551 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 552 | sh4r.r[Rn] = MEM_READ_BYTE( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 553 | }
|
| nkeynes@359 | 554 | break;
|
| nkeynes@359 | 555 | case 0xD:
|
| nkeynes@359 | 556 | { /* MOV.W @(R0, Rm), Rn */
|
| nkeynes@359 | 557 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 558 | CHECKRALIGN16( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 559 | sh4r.r[Rn] = MEM_READ_WORD( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 560 | }
|
| nkeynes@359 | 561 | break;
|
| nkeynes@359 | 562 | case 0xE:
|
| nkeynes@359 | 563 | { /* MOV.L @(R0, Rm), Rn */
|
| nkeynes@359 | 564 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 565 | CHECKRALIGN32( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 566 | sh4r.r[Rn] = MEM_READ_LONG( R0 + sh4r.r[Rm] );
|
| nkeynes@359 | 567 | }
|
| nkeynes@359 | 568 | break;
|
| nkeynes@359 | 569 | case 0xF:
|
| nkeynes@359 | 570 | { /* MAC.L @Rm+, @Rn+ */
|
| nkeynes@359 | 571 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 572 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 573 | CHECKRALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 574 | int64_t tmpl = SIGNEXT32(MEM_READ_LONG(sh4r.r[Rn]));
|
| nkeynes@359 | 575 | sh4r.r[Rn] += 4;
|
| nkeynes@359 | 576 | tmpl = tmpl * SIGNEXT32(MEM_READ_LONG(sh4r.r[Rm])) + sh4r.mac;
|
| nkeynes@359 | 577 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 578 | if( sh4r.s ) {
|
| nkeynes@359 | 579 | /* 48-bit Saturation. Yuch */
|
| nkeynes@359 | 580 | if( tmpl < (int64_t)0xFFFF800000000000LL )
|
| nkeynes@359 | 581 | tmpl = 0xFFFF800000000000LL;
|
| nkeynes@359 | 582 | else if( tmpl > (int64_t)0x00007FFFFFFFFFFFLL )
|
| nkeynes@359 | 583 | tmpl = 0x00007FFFFFFFFFFFLL;
|
| nkeynes@359 | 584 | }
|
| nkeynes@359 | 585 | sh4r.mac = tmpl;
|
| nkeynes@359 | 586 | }
|
| nkeynes@359 | 587 | break;
|
| nkeynes@359 | 588 | default:
|
| nkeynes@359 | 589 | UNDEF();
|
| nkeynes@359 | 590 | break;
|
| nkeynes@359 | 591 | }
|
| nkeynes@359 | 592 | break;
|
| nkeynes@359 | 593 | case 0x1:
|
| nkeynes@359 | 594 | { /* MOV.L Rm, @(disp, Rn) */
|
| nkeynes@359 | 595 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
| nkeynes@359 | 596 | tmp = sh4r.r[Rn] + disp;
|
| nkeynes@359 | 597 | CHECKWALIGN32( tmp );
|
| nkeynes@359 | 598 | MEM_WRITE_LONG( tmp, sh4r.r[Rm] );
|
| nkeynes@359 | 599 | }
|
| nkeynes@359 | 600 | break;
|
| nkeynes@359 | 601 | case 0x2:
|
| nkeynes@359 | 602 | switch( ir&0xF ) {
|
| nkeynes@359 | 603 | case 0x0:
|
| nkeynes@359 | 604 | { /* MOV.B Rm, @Rn */
|
| nkeynes@359 | 605 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 606 | MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 607 | }
|
| nkeynes@359 | 608 | break;
|
| nkeynes@359 | 609 | case 0x1:
|
| nkeynes@359 | 610 | { /* MOV.W Rm, @Rn */
|
| nkeynes@359 | 611 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 612 | CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 613 | }
|
| nkeynes@359 | 614 | break;
|
| nkeynes@359 | 615 | case 0x2:
|
| nkeynes@359 | 616 | { /* MOV.L Rm, @Rn */
|
| nkeynes@359 | 617 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 618 | CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 619 | }
|
| nkeynes@359 | 620 | break;
|
| nkeynes@359 | 621 | case 0x4:
|
| nkeynes@359 | 622 | { /* MOV.B Rm, @-Rn */
|
| nkeynes@359 | 623 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 624 | sh4r.r[Rn] --; MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 625 | }
|
| nkeynes@359 | 626 | break;
|
| nkeynes@359 | 627 | case 0x5:
|
| nkeynes@359 | 628 | { /* MOV.W Rm, @-Rn */
|
| nkeynes@359 | 629 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 630 | sh4r.r[Rn] -= 2; CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 631 | }
|
| nkeynes@359 | 632 | break;
|
| nkeynes@359 | 633 | case 0x6:
|
| nkeynes@359 | 634 | { /* MOV.L Rm, @-Rn */
|
| nkeynes@359 | 635 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 636 | sh4r.r[Rn] -= 4; CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] );
|
| nkeynes@359 | 637 | }
|
| nkeynes@359 | 638 | break;
|
| nkeynes@359 | 639 | case 0x7:
|
| nkeynes@359 | 640 | { /* DIV0S Rm, Rn */
|
| nkeynes@359 | 641 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 642 | sh4r.q = sh4r.r[Rn]>>31;
|
| nkeynes@359 | 643 | sh4r.m = sh4r.r[Rm]>>31;
|
| nkeynes@359 | 644 | sh4r.t = sh4r.q ^ sh4r.m;
|
| nkeynes@359 | 645 | }
|
| nkeynes@359 | 646 | break;
|
| nkeynes@359 | 647 | case 0x8:
|
| nkeynes@359 | 648 | { /* TST Rm, Rn */
|
| nkeynes@359 | 649 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 650 | sh4r.t = (sh4r.r[Rn]&sh4r.r[Rm] ? 0 : 1);
|
| nkeynes@359 | 651 | }
|
| nkeynes@359 | 652 | break;
|
| nkeynes@359 | 653 | case 0x9:
|
| nkeynes@359 | 654 | { /* AND Rm, Rn */
|
| nkeynes@359 | 655 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 656 | sh4r.r[Rn] &= sh4r.r[Rm];
|
| nkeynes@359 | 657 | }
|
| nkeynes@359 | 658 | break;
|
| nkeynes@359 | 659 | case 0xA:
|
| nkeynes@359 | 660 | { /* XOR Rm, Rn */
|
| nkeynes@359 | 661 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 662 | sh4r.r[Rn] ^= sh4r.r[Rm];
|
| nkeynes@359 | 663 | }
|
| nkeynes@359 | 664 | break;
|
| nkeynes@359 | 665 | case 0xB:
|
| nkeynes@359 | 666 | { /* OR Rm, Rn */
|
| nkeynes@359 | 667 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 668 | sh4r.r[Rn] |= sh4r.r[Rm];
|
| nkeynes@359 | 669 | }
|
| nkeynes@359 | 670 | break;
|
| nkeynes@359 | 671 | case 0xC:
|
| nkeynes@359 | 672 | { /* CMP/STR Rm, Rn */
|
| nkeynes@359 | 673 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 674 | /* set T = 1 if any byte in RM & RN is the same */
|
| nkeynes@359 | 675 | tmp = sh4r.r[Rm] ^ sh4r.r[Rn];
|
| nkeynes@359 | 676 | sh4r.t = ((tmp&0x000000FF)==0 || (tmp&0x0000FF00)==0 ||
|
| nkeynes@359 | 677 | (tmp&0x00FF0000)==0 || (tmp&0xFF000000)==0)?1:0;
|
| nkeynes@359 | 678 | }
|
| nkeynes@359 | 679 | break;
|
| nkeynes@359 | 680 | case 0xD:
|
| nkeynes@359 | 681 | { /* XTRCT Rm, Rn */
|
| nkeynes@359 | 682 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 683 | sh4r.r[Rn] = (sh4r.r[Rn]>>16) | (sh4r.r[Rm]<<16);
|
| nkeynes@359 | 684 | }
|
| nkeynes@359 | 685 | break;
|
| nkeynes@359 | 686 | case 0xE:
|
| nkeynes@359 | 687 | { /* MULU.W Rm, Rn */
|
| nkeynes@359 | 688 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 689 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 690 | (uint32_t)((sh4r.r[Rm]&0xFFFF) * (sh4r.r[Rn]&0xFFFF));
|
| nkeynes@359 | 691 | }
|
| nkeynes@359 | 692 | break;
|
| nkeynes@359 | 693 | case 0xF:
|
| nkeynes@359 | 694 | { /* MULS.W Rm, Rn */
|
| nkeynes@359 | 695 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 696 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 697 | (uint32_t)(SIGNEXT32(sh4r.r[Rm]&0xFFFF) * SIGNEXT32(sh4r.r[Rn]&0xFFFF));
|
| nkeynes@359 | 698 | }
|
| nkeynes@359 | 699 | break;
|
| nkeynes@359 | 700 | default:
|
| nkeynes@359 | 701 | UNDEF();
|
| nkeynes@359 | 702 | break;
|
| nkeynes@359 | 703 | }
|
| nkeynes@359 | 704 | break;
|
| nkeynes@359 | 705 | case 0x3:
|
| nkeynes@359 | 706 | switch( ir&0xF ) {
|
| nkeynes@359 | 707 | case 0x0:
|
| nkeynes@359 | 708 | { /* CMP/EQ Rm, Rn */
|
| nkeynes@359 | 709 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 710 | sh4r.t = ( sh4r.r[Rm] == sh4r.r[Rn] ? 1 : 0 );
|
| nkeynes@359 | 711 | }
|
| nkeynes@359 | 712 | break;
|
| nkeynes@359 | 713 | case 0x2:
|
| nkeynes@359 | 714 | { /* CMP/HS Rm, Rn */
|
| nkeynes@359 | 715 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 716 | sh4r.t = ( sh4r.r[Rn] >= sh4r.r[Rm] ? 1 : 0 );
|
| nkeynes@359 | 717 | }
|
| nkeynes@359 | 718 | break;
|
| nkeynes@359 | 719 | case 0x3:
|
| nkeynes@359 | 720 | { /* CMP/GE Rm, Rn */
|
| nkeynes@359 | 721 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 722 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= ((int32_t)sh4r.r[Rm]) ? 1 : 0 );
|
| nkeynes@359 | 723 | }
|
| nkeynes@359 | 724 | break;
|
| nkeynes@359 | 725 | case 0x4:
|
| nkeynes@359 | 726 | { /* DIV1 Rm, Rn */
|
| nkeynes@359 | 727 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@384 | 728 | /* This is derived from the sh4 manual with some simplifications */
|
| nkeynes@359 | 729 | uint32_t tmp0, tmp1, tmp2, dir;
|
| nkeynes@359 | 730 |
|
| nkeynes@359 | 731 | dir = sh4r.q ^ sh4r.m;
|
| nkeynes@359 | 732 | sh4r.q = (sh4r.r[Rn] >> 31);
|
| nkeynes@359 | 733 | tmp2 = sh4r.r[Rm];
|
| nkeynes@359 | 734 | sh4r.r[Rn] = (sh4r.r[Rn] << 1) | sh4r.t;
|
| nkeynes@359 | 735 | tmp0 = sh4r.r[Rn];
|
| nkeynes@359 | 736 | if( dir ) {
|
| nkeynes@359 | 737 | sh4r.r[Rn] += tmp2;
|
| nkeynes@359 | 738 | tmp1 = (sh4r.r[Rn]<tmp0 ? 1 : 0 );
|
| nkeynes@359 | 739 | } else {
|
| nkeynes@359 | 740 | sh4r.r[Rn] -= tmp2;
|
| nkeynes@359 | 741 | tmp1 = (sh4r.r[Rn]>tmp0 ? 1 : 0 );
|
| nkeynes@359 | 742 | }
|
| nkeynes@359 | 743 | sh4r.q ^= sh4r.m ^ tmp1;
|
| nkeynes@359 | 744 | sh4r.t = ( sh4r.q == sh4r.m ? 1 : 0 );
|
| nkeynes@359 | 745 | }
|
| nkeynes@359 | 746 | break;
|
| nkeynes@359 | 747 | case 0x5:
|
| nkeynes@359 | 748 | { /* DMULU.L Rm, Rn */
|
| nkeynes@359 | 749 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 750 | sh4r.mac = ((uint64_t)sh4r.r[Rm]) * ((uint64_t)sh4r.r[Rn]);
|
| nkeynes@359 | 751 | }
|
| nkeynes@359 | 752 | break;
|
| nkeynes@359 | 753 | case 0x6:
|
| nkeynes@359 | 754 | { /* CMP/HI Rm, Rn */
|
| nkeynes@359 | 755 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 756 | sh4r.t = ( sh4r.r[Rn] > sh4r.r[Rm] ? 1 : 0 );
|
| nkeynes@359 | 757 | }
|
| nkeynes@359 | 758 | break;
|
| nkeynes@359 | 759 | case 0x7:
|
| nkeynes@359 | 760 | { /* CMP/GT Rm, Rn */
|
| nkeynes@359 | 761 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 762 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) > ((int32_t)sh4r.r[Rm]) ? 1 : 0 );
|
| nkeynes@359 | 763 | }
|
| nkeynes@359 | 764 | break;
|
| nkeynes@359 | 765 | case 0x8:
|
| nkeynes@359 | 766 | { /* SUB Rm, Rn */
|
| nkeynes@359 | 767 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 768 | sh4r.r[Rn] -= sh4r.r[Rm];
|
| nkeynes@359 | 769 | }
|
| nkeynes@359 | 770 | break;
|
| nkeynes@359 | 771 | case 0xA:
|
| nkeynes@359 | 772 | { /* SUBC Rm, Rn */
|
| nkeynes@359 | 773 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 774 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 775 | sh4r.r[Rn] = sh4r.r[Rn] - sh4r.r[Rm] - sh4r.t;
|
| nkeynes@359 | 776 | sh4r.t = (sh4r.r[Rn] > tmp || (sh4r.r[Rn] == tmp && sh4r.t == 1));
|
| nkeynes@359 | 777 | }
|
| nkeynes@359 | 778 | break;
|
| nkeynes@359 | 779 | case 0xB:
|
| nkeynes@359 | 780 | UNIMP(ir); /* SUBV Rm, Rn */
|
| nkeynes@359 | 781 | break;
|
| nkeynes@359 | 782 | case 0xC:
|
| nkeynes@359 | 783 | { /* ADD Rm, Rn */
|
| nkeynes@359 | 784 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 785 | sh4r.r[Rn] += sh4r.r[Rm];
|
| nkeynes@359 | 786 | }
|
| nkeynes@359 | 787 | break;
|
| nkeynes@359 | 788 | case 0xD:
|
| nkeynes@359 | 789 | { /* DMULS.L Rm, Rn */
|
| nkeynes@359 | 790 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 791 | sh4r.mac = SIGNEXT32(sh4r.r[Rm]) * SIGNEXT32(sh4r.r[Rn]);
|
| nkeynes@359 | 792 | }
|
| nkeynes@359 | 793 | break;
|
| nkeynes@359 | 794 | case 0xE:
|
| nkeynes@359 | 795 | { /* ADDC Rm, Rn */
|
| nkeynes@359 | 796 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 797 | tmp = sh4r.r[Rn];
|
| nkeynes@359 | 798 | sh4r.r[Rn] += sh4r.r[Rm] + sh4r.t;
|
| nkeynes@359 | 799 | sh4r.t = ( sh4r.r[Rn] < tmp || (sh4r.r[Rn] == tmp && sh4r.t != 0) ? 1 : 0 );
|
| nkeynes@359 | 800 | }
|
| nkeynes@359 | 801 | break;
|
| nkeynes@359 | 802 | case 0xF:
|
| nkeynes@359 | 803 | { /* ADDV Rm, Rn */
|
| nkeynes@359 | 804 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 805 | tmp = sh4r.r[Rn] + sh4r.r[Rm];
|
| nkeynes@359 | 806 | sh4r.t = ( (sh4r.r[Rn]>>31) == (sh4r.r[Rm]>>31) && ((sh4r.r[Rn]>>31) != (tmp>>31)) );
|
| nkeynes@359 | 807 | sh4r.r[Rn] = tmp;
|
| nkeynes@359 | 808 | }
|
| nkeynes@359 | 809 | break;
|
| nkeynes@359 | 810 | default:
|
| nkeynes@359 | 811 | UNDEF();
|
| nkeynes@359 | 812 | break;
|
| nkeynes@359 | 813 | }
|
| nkeynes@359 | 814 | break;
|
| nkeynes@359 | 815 | case 0x4:
|
| nkeynes@359 | 816 | switch( ir&0xF ) {
|
| nkeynes@359 | 817 | case 0x0:
|
| nkeynes@359 | 818 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 819 | case 0x0:
|
| nkeynes@359 | 820 | { /* SHLL Rn */
|
| nkeynes@359 | 821 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 822 | sh4r.t = sh4r.r[Rn] >> 31; sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 823 | }
|
| nkeynes@359 | 824 | break;
|
| nkeynes@359 | 825 | case 0x1:
|
| nkeynes@359 | 826 | { /* DT Rn */
|
| nkeynes@359 | 827 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 828 | sh4r.r[Rn] --;
|
| nkeynes@359 | 829 | sh4r.t = ( sh4r.r[Rn] == 0 ? 1 : 0 );
|
| nkeynes@359 | 830 | }
|
| nkeynes@359 | 831 | break;
|
| nkeynes@359 | 832 | case 0x2:
|
| nkeynes@359 | 833 | { /* SHAL Rn */
|
| nkeynes@359 | 834 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 835 | sh4r.t = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 836 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 837 | }
|
| nkeynes@359 | 838 | break;
|
| nkeynes@359 | 839 | default:
|
| nkeynes@359 | 840 | UNDEF();
|
| nkeynes@359 | 841 | break;
|
| nkeynes@359 | 842 | }
|
| nkeynes@359 | 843 | break;
|
| nkeynes@359 | 844 | case 0x1:
|
| nkeynes@359 | 845 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 846 | case 0x0:
|
| nkeynes@359 | 847 | { /* SHLR Rn */
|
| nkeynes@359 | 848 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 849 | sh4r.t = sh4r.r[Rn] & 0x00000001; sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 850 | }
|
| nkeynes@359 | 851 | break;
|
| nkeynes@359 | 852 | case 0x1:
|
| nkeynes@359 | 853 | { /* CMP/PZ Rn */
|
| nkeynes@359 | 854 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 855 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= 0 ? 1 : 0 );
|
| nkeynes@359 | 856 | }
|
| nkeynes@359 | 857 | break;
|
| nkeynes@359 | 858 | case 0x2:
|
| nkeynes@359 | 859 | { /* SHAR Rn */
|
| nkeynes@359 | 860 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 861 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 862 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 1;
|
| nkeynes@359 | 863 | }
|
| nkeynes@359 | 864 | break;
|
| nkeynes@359 | 865 | default:
|
| nkeynes@359 | 866 | UNDEF();
|
| nkeynes@359 | 867 | break;
|
| nkeynes@359 | 868 | }
|
| nkeynes@359 | 869 | break;
|
| nkeynes@359 | 870 | case 0x2:
|
| nkeynes@359 | 871 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 872 | case 0x0:
|
| nkeynes@359 | 873 | { /* STS.L MACH, @-Rn */
|
| nkeynes@359 | 874 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 875 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 876 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 877 | MEM_WRITE_LONG( sh4r.r[Rn], (sh4r.mac>>32) );
|
| nkeynes@359 | 878 | }
|
| nkeynes@359 | 879 | break;
|
| nkeynes@359 | 880 | case 0x1:
|
| nkeynes@359 | 881 | { /* STS.L MACL, @-Rn */
|
| nkeynes@359 | 882 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 883 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 884 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 885 | MEM_WRITE_LONG( sh4r.r[Rn], (uint32_t)sh4r.mac );
|
| nkeynes@359 | 886 | }
|
| nkeynes@359 | 887 | break;
|
| nkeynes@359 | 888 | case 0x2:
|
| nkeynes@359 | 889 | { /* STS.L PR, @-Rn */
|
| nkeynes@359 | 890 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 891 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 892 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 893 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.pr );
|
| nkeynes@359 | 894 | }
|
| nkeynes@359 | 895 | break;
|
| nkeynes@359 | 896 | case 0x3:
|
| nkeynes@359 | 897 | { /* STC.L SGR, @-Rn */
|
| nkeynes@359 | 898 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 899 | CHECKPRIV();
|
| nkeynes@359 | 900 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 901 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 902 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.sgr );
|
| nkeynes@359 | 903 | }
|
| nkeynes@359 | 904 | break;
|
| nkeynes@359 | 905 | case 0x5:
|
| nkeynes@359 | 906 | { /* STS.L FPUL, @-Rn */
|
| nkeynes@359 | 907 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 908 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 909 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 910 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpul );
|
| nkeynes@359 | 911 | }
|
| nkeynes@359 | 912 | break;
|
| nkeynes@359 | 913 | case 0x6:
|
| nkeynes@359 | 914 | { /* STS.L FPSCR, @-Rn */
|
| nkeynes@359 | 915 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 916 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 917 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 918 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpscr );
|
| nkeynes@359 | 919 | }
|
| nkeynes@359 | 920 | break;
|
| nkeynes@359 | 921 | case 0xF:
|
| nkeynes@359 | 922 | { /* STC.L DBR, @-Rn */
|
| nkeynes@359 | 923 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 924 | CHECKPRIV();
|
| nkeynes@359 | 925 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 926 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 927 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.dbr );
|
| nkeynes@359 | 928 | }
|
| nkeynes@359 | 929 | break;
|
| nkeynes@359 | 930 | default:
|
| nkeynes@359 | 931 | UNDEF();
|
| nkeynes@359 | 932 | break;
|
| nkeynes@359 | 933 | }
|
| nkeynes@359 | 934 | break;
|
| nkeynes@359 | 935 | case 0x3:
|
| nkeynes@359 | 936 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 937 | case 0x0:
|
| nkeynes@359 | 938 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 939 | case 0x0:
|
| nkeynes@359 | 940 | { /* STC.L SR, @-Rn */
|
| nkeynes@359 | 941 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 942 | CHECKPRIV();
|
| nkeynes@359 | 943 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 944 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 945 | MEM_WRITE_LONG( sh4r.r[Rn], sh4_read_sr() );
|
| nkeynes@359 | 946 | }
|
| nkeynes@359 | 947 | break;
|
| nkeynes@359 | 948 | case 0x1:
|
| nkeynes@359 | 949 | { /* STC.L GBR, @-Rn */
|
| nkeynes@359 | 950 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 951 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 952 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 953 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.gbr );
|
| nkeynes@359 | 954 | }
|
| nkeynes@359 | 955 | break;
|
| nkeynes@359 | 956 | case 0x2:
|
| nkeynes@359 | 957 | { /* STC.L VBR, @-Rn */
|
| nkeynes@359 | 958 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 959 | CHECKPRIV();
|
| nkeynes@359 | 960 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 961 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 962 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.vbr );
|
| nkeynes@359 | 963 | }
|
| nkeynes@359 | 964 | break;
|
| nkeynes@359 | 965 | case 0x3:
|
| nkeynes@359 | 966 | { /* STC.L SSR, @-Rn */
|
| nkeynes@359 | 967 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 968 | CHECKPRIV();
|
| nkeynes@359 | 969 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 970 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 971 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.ssr );
|
| nkeynes@359 | 972 | }
|
| nkeynes@359 | 973 | break;
|
| nkeynes@359 | 974 | case 0x4:
|
| nkeynes@359 | 975 | { /* STC.L SPC, @-Rn */
|
| nkeynes@359 | 976 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 977 | CHECKPRIV();
|
| nkeynes@359 | 978 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 979 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 980 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.spc );
|
| nkeynes@359 | 981 | }
|
| nkeynes@359 | 982 | break;
|
| nkeynes@359 | 983 | default:
|
| nkeynes@359 | 984 | UNDEF();
|
| nkeynes@359 | 985 | break;
|
| nkeynes@359 | 986 | }
|
| nkeynes@359 | 987 | break;
|
| nkeynes@359 | 988 | case 0x1:
|
| nkeynes@359 | 989 | { /* STC.L Rm_BANK, @-Rn */
|
| nkeynes@359 | 990 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 991 | CHECKPRIV();
|
| nkeynes@359 | 992 | sh4r.r[Rn] -= 4;
|
| nkeynes@359 | 993 | CHECKWALIGN32( sh4r.r[Rn] );
|
| nkeynes@359 | 994 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r_bank[Rm_BANK] );
|
| nkeynes@359 | 995 | }
|
| nkeynes@359 | 996 | break;
|
| nkeynes@359 | 997 | }
|
| nkeynes@359 | 998 | break;
|
| nkeynes@359 | 999 | case 0x4:
|
| nkeynes@359 | 1000 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1001 | case 0x0:
|
| nkeynes@359 | 1002 | { /* ROTL Rn */
|
| nkeynes@359 | 1003 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1004 | sh4r.t = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 1005 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 1006 | sh4r.r[Rn] |= sh4r.t;
|
| nkeynes@359 | 1007 | }
|
| nkeynes@359 | 1008 | break;
|
| nkeynes@359 | 1009 | case 0x2:
|
| nkeynes@359 | 1010 | { /* ROTCL Rn */
|
| nkeynes@359 | 1011 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1012 | tmp = sh4r.r[Rn] >> 31;
|
| nkeynes@359 | 1013 | sh4r.r[Rn] <<= 1;
|
| nkeynes@359 | 1014 | sh4r.r[Rn] |= sh4r.t;
|
| nkeynes@359 | 1015 | sh4r.t = tmp;
|
| nkeynes@359 | 1016 | }
|
| nkeynes@359 | 1017 | break;
|
| nkeynes@359 | 1018 | default:
|
| nkeynes@359 | 1019 | UNDEF();
|
| nkeynes@359 | 1020 | break;
|
| nkeynes@359 | 1021 | }
|
| nkeynes@359 | 1022 | break;
|
| nkeynes@359 | 1023 | case 0x5:
|
| nkeynes@359 | 1024 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1025 | case 0x0:
|
| nkeynes@359 | 1026 | { /* ROTR Rn */
|
| nkeynes@359 | 1027 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1028 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 1029 | sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 1030 | sh4r.r[Rn] |= (sh4r.t << 31);
|
| nkeynes@359 | 1031 | }
|
| nkeynes@359 | 1032 | break;
|
| nkeynes@359 | 1033 | case 0x1:
|
| nkeynes@359 | 1034 | { /* CMP/PL Rn */
|
| nkeynes@359 | 1035 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1036 | sh4r.t = ( ((int32_t)sh4r.r[Rn]) > 0 ? 1 : 0 );
|
| nkeynes@359 | 1037 | }
|
| nkeynes@359 | 1038 | break;
|
| nkeynes@359 | 1039 | case 0x2:
|
| nkeynes@359 | 1040 | { /* ROTCR Rn */
|
| nkeynes@359 | 1041 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1042 | tmp = sh4r.r[Rn] & 0x00000001;
|
| nkeynes@359 | 1043 | sh4r.r[Rn] >>= 1;
|
| nkeynes@359 | 1044 | sh4r.r[Rn] |= (sh4r.t << 31 );
|
| nkeynes@359 | 1045 | sh4r.t = tmp;
|
| nkeynes@359 | 1046 | }
|
| nkeynes@359 | 1047 | break;
|
| nkeynes@359 | 1048 | default:
|
| nkeynes@359 | 1049 | UNDEF();
|
| nkeynes@359 | 1050 | break;
|
| nkeynes@359 | 1051 | }
|
| nkeynes@359 | 1052 | break;
|
| nkeynes@359 | 1053 | case 0x6:
|
| nkeynes@359 | 1054 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1055 | case 0x0:
|
| nkeynes@359 | 1056 | { /* LDS.L @Rm+, MACH */
|
| nkeynes@359 | 1057 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1058 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1059 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
| nkeynes@359 | 1060 | (((uint64_t)MEM_READ_LONG(sh4r.r[Rm]))<<32);
|
| nkeynes@359 | 1061 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1062 | }
|
| nkeynes@359 | 1063 | break;
|
| nkeynes@359 | 1064 | case 0x1:
|
| nkeynes@359 | 1065 | { /* LDS.L @Rm+, MACL */
|
| nkeynes@359 | 1066 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1067 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1068 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1069 | (uint64_t)((uint32_t)MEM_READ_LONG(sh4r.r[Rm]));
|
| nkeynes@359 | 1070 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1071 | }
|
| nkeynes@359 | 1072 | break;
|
| nkeynes@359 | 1073 | case 0x2:
|
| nkeynes@359 | 1074 | { /* LDS.L @Rm+, PR */
|
| nkeynes@359 | 1075 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1076 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1077 | sh4r.pr = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1078 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1079 | }
|
| nkeynes@359 | 1080 | break;
|
| nkeynes@359 | 1081 | case 0x3:
|
| nkeynes@359 | 1082 | { /* LDC.L @Rm+, SGR */
|
| nkeynes@359 | 1083 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1084 | CHECKPRIV();
|
| nkeynes@359 | 1085 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1086 | sh4r.sgr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1087 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1088 | }
|
| nkeynes@359 | 1089 | break;
|
| nkeynes@359 | 1090 | case 0x5:
|
| nkeynes@359 | 1091 | { /* LDS.L @Rm+, FPUL */
|
| nkeynes@359 | 1092 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1093 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1094 | sh4r.fpul = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1095 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1096 | }
|
| nkeynes@359 | 1097 | break;
|
| nkeynes@359 | 1098 | case 0x6:
|
| nkeynes@359 | 1099 | { /* LDS.L @Rm+, FPSCR */
|
| nkeynes@359 | 1100 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1101 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1102 | sh4r.fpscr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1103 | sh4r.r[Rm] +=4;
|
| nkeynes@374 | 1104 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 1105 | }
|
| nkeynes@359 | 1106 | break;
|
| nkeynes@359 | 1107 | case 0xF:
|
| nkeynes@359 | 1108 | { /* LDC.L @Rm+, DBR */
|
| nkeynes@359 | 1109 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1110 | CHECKPRIV();
|
| nkeynes@359 | 1111 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1112 | sh4r.dbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1113 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1114 | }
|
| nkeynes@359 | 1115 | break;
|
| nkeynes@359 | 1116 | default:
|
| nkeynes@359 | 1117 | UNDEF();
|
| nkeynes@359 | 1118 | break;
|
| nkeynes@359 | 1119 | }
|
| nkeynes@359 | 1120 | break;
|
| nkeynes@359 | 1121 | case 0x7:
|
| nkeynes@359 | 1122 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 1123 | case 0x0:
|
| nkeynes@359 | 1124 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 1125 | case 0x0:
|
| nkeynes@359 | 1126 | { /* LDC.L @Rm+, SR */
|
| nkeynes@359 | 1127 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1128 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1129 | CHECKPRIV();
|
| nkeynes@359 | 1130 | CHECKWALIGN32( sh4r.r[Rm] );
|
| nkeynes@374 | 1131 | sh4_write_sr( MEM_READ_LONG(sh4r.r[Rm]) );
|
| nkeynes@359 | 1132 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1133 | }
|
| nkeynes@359 | 1134 | break;
|
| nkeynes@359 | 1135 | case 0x1:
|
| nkeynes@359 | 1136 | { /* LDC.L @Rm+, GBR */
|
| nkeynes@359 | 1137 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1138 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1139 | sh4r.gbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1140 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1141 | }
|
| nkeynes@359 | 1142 | break;
|
| nkeynes@359 | 1143 | case 0x2:
|
| nkeynes@359 | 1144 | { /* LDC.L @Rm+, VBR */
|
| nkeynes@359 | 1145 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1146 | CHECKPRIV();
|
| nkeynes@359 | 1147 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1148 | sh4r.vbr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1149 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1150 | }
|
| nkeynes@359 | 1151 | break;
|
| nkeynes@359 | 1152 | case 0x3:
|
| nkeynes@359 | 1153 | { /* LDC.L @Rm+, SSR */
|
| nkeynes@359 | 1154 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1155 | CHECKPRIV();
|
| nkeynes@359 | 1156 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1157 | sh4r.ssr = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1158 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1159 | }
|
| nkeynes@359 | 1160 | break;
|
| nkeynes@359 | 1161 | case 0x4:
|
| nkeynes@359 | 1162 | { /* LDC.L @Rm+, SPC */
|
| nkeynes@359 | 1163 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1164 | CHECKPRIV();
|
| nkeynes@359 | 1165 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1166 | sh4r.spc = MEM_READ_LONG(sh4r.r[Rm]);
|
| nkeynes@359 | 1167 | sh4r.r[Rm] +=4;
|
| nkeynes@359 | 1168 | }
|
| nkeynes@359 | 1169 | break;
|
| nkeynes@359 | 1170 | default:
|
| nkeynes@359 | 1171 | UNDEF();
|
| nkeynes@359 | 1172 | break;
|
| nkeynes@359 | 1173 | }
|
| nkeynes@359 | 1174 | break;
|
| nkeynes@359 | 1175 | case 0x1:
|
| nkeynes@359 | 1176 | { /* LDC.L @Rm+, Rn_BANK */
|
| nkeynes@359 | 1177 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 1178 | CHECKPRIV();
|
| nkeynes@359 | 1179 | CHECKRALIGN32( sh4r.r[Rm] );
|
| nkeynes@359 | 1180 | sh4r.r_bank[Rn_BANK] = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1181 | sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1182 | }
|
| nkeynes@359 | 1183 | break;
|
| nkeynes@359 | 1184 | }
|
| nkeynes@359 | 1185 | break;
|
| nkeynes@359 | 1186 | case 0x8:
|
| nkeynes@359 | 1187 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1188 | case 0x0:
|
| nkeynes@359 | 1189 | { /* SHLL2 Rn */
|
| nkeynes@359 | 1190 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1191 | sh4r.r[Rn] <<= 2;
|
| nkeynes@359 | 1192 | }
|
| nkeynes@359 | 1193 | break;
|
| nkeynes@359 | 1194 | case 0x1:
|
| nkeynes@359 | 1195 | { /* SHLL8 Rn */
|
| nkeynes@359 | 1196 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1197 | sh4r.r[Rn] <<= 8;
|
| nkeynes@359 | 1198 | }
|
| nkeynes@359 | 1199 | break;
|
| nkeynes@359 | 1200 | case 0x2:
|
| nkeynes@359 | 1201 | { /* SHLL16 Rn */
|
| nkeynes@359 | 1202 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1203 | sh4r.r[Rn] <<= 16;
|
| nkeynes@359 | 1204 | }
|
| nkeynes@359 | 1205 | break;
|
| nkeynes@359 | 1206 | default:
|
| nkeynes@359 | 1207 | UNDEF();
|
| nkeynes@359 | 1208 | break;
|
| nkeynes@359 | 1209 | }
|
| nkeynes@359 | 1210 | break;
|
| nkeynes@359 | 1211 | case 0x9:
|
| nkeynes@359 | 1212 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1213 | case 0x0:
|
| nkeynes@359 | 1214 | { /* SHLR2 Rn */
|
| nkeynes@359 | 1215 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1216 | sh4r.r[Rn] >>= 2;
|
| nkeynes@359 | 1217 | }
|
| nkeynes@359 | 1218 | break;
|
| nkeynes@359 | 1219 | case 0x1:
|
| nkeynes@359 | 1220 | { /* SHLR8 Rn */
|
| nkeynes@359 | 1221 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1222 | sh4r.r[Rn] >>= 8;
|
| nkeynes@359 | 1223 | }
|
| nkeynes@359 | 1224 | break;
|
| nkeynes@359 | 1225 | case 0x2:
|
| nkeynes@359 | 1226 | { /* SHLR16 Rn */
|
| nkeynes@359 | 1227 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1228 | sh4r.r[Rn] >>= 16;
|
| nkeynes@359 | 1229 | }
|
| nkeynes@359 | 1230 | break;
|
| nkeynes@359 | 1231 | default:
|
| nkeynes@359 | 1232 | UNDEF();
|
| nkeynes@359 | 1233 | break;
|
| nkeynes@359 | 1234 | }
|
| nkeynes@359 | 1235 | break;
|
| nkeynes@359 | 1236 | case 0xA:
|
| nkeynes@359 | 1237 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1238 | case 0x0:
|
| nkeynes@359 | 1239 | { /* LDS Rm, MACH */
|
| nkeynes@359 | 1240 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1241 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
| nkeynes@359 | 1242 | (((uint64_t)sh4r.r[Rm])<<32);
|
| nkeynes@359 | 1243 | }
|
| nkeynes@359 | 1244 | break;
|
| nkeynes@359 | 1245 | case 0x1:
|
| nkeynes@359 | 1246 | { /* LDS Rm, MACL */
|
| nkeynes@359 | 1247 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1248 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1249 | (uint64_t)((uint32_t)(sh4r.r[Rm]));
|
| nkeynes@359 | 1250 | }
|
| nkeynes@359 | 1251 | break;
|
| nkeynes@359 | 1252 | case 0x2:
|
| nkeynes@359 | 1253 | { /* LDS Rm, PR */
|
| nkeynes@359 | 1254 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1255 | sh4r.pr = sh4r.r[Rm];
|
| nkeynes@359 | 1256 | }
|
| nkeynes@359 | 1257 | break;
|
| nkeynes@359 | 1258 | case 0x3:
|
| nkeynes@359 | 1259 | { /* LDC Rm, SGR */
|
| nkeynes@359 | 1260 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1261 | CHECKPRIV();
|
| nkeynes@359 | 1262 | sh4r.sgr = sh4r.r[Rm];
|
| nkeynes@359 | 1263 | }
|
| nkeynes@359 | 1264 | break;
|
| nkeynes@359 | 1265 | case 0x5:
|
| nkeynes@359 | 1266 | { /* LDS Rm, FPUL */
|
| nkeynes@359 | 1267 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1268 | sh4r.fpul = sh4r.r[Rm];
|
| nkeynes@359 | 1269 | }
|
| nkeynes@359 | 1270 | break;
|
| nkeynes@359 | 1271 | case 0x6:
|
| nkeynes@359 | 1272 | { /* LDS Rm, FPSCR */
|
| nkeynes@359 | 1273 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@374 | 1274 | sh4r.fpscr = sh4r.r[Rm];
|
| nkeynes@374 | 1275 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 1276 | }
|
| nkeynes@359 | 1277 | break;
|
| nkeynes@359 | 1278 | case 0xF:
|
| nkeynes@359 | 1279 | { /* LDC Rm, DBR */
|
| nkeynes@359 | 1280 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1281 | CHECKPRIV();
|
| nkeynes@359 | 1282 | sh4r.dbr = sh4r.r[Rm];
|
| nkeynes@359 | 1283 | }
|
| nkeynes@359 | 1284 | break;
|
| nkeynes@359 | 1285 | default:
|
| nkeynes@359 | 1286 | UNDEF();
|
| nkeynes@359 | 1287 | break;
|
| nkeynes@359 | 1288 | }
|
| nkeynes@359 | 1289 | break;
|
| nkeynes@359 | 1290 | case 0xB:
|
| nkeynes@359 | 1291 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1292 | case 0x0:
|
| nkeynes@359 | 1293 | { /* JSR @Rn */
|
| nkeynes@359 | 1294 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1295 | CHECKDEST( sh4r.r[Rn] );
|
| nkeynes@359 | 1296 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1297 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1298 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1299 | sh4r.new_pc = sh4r.r[Rn];
|
| nkeynes@359 | 1300 | sh4r.pr = pc + 4;
|
| nkeynes@359 | 1301 | TRACE_CALL( pc, sh4r.new_pc );
|
| nkeynes@359 | 1302 | return TRUE;
|
| nkeynes@359 | 1303 | }
|
| nkeynes@359 | 1304 | break;
|
| nkeynes@359 | 1305 | case 0x1:
|
| nkeynes@359 | 1306 | { /* TAS.B @Rn */
|
| nkeynes@359 | 1307 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1308 | tmp = MEM_READ_BYTE( sh4r.r[Rn] );
|
| nkeynes@359 | 1309 | sh4r.t = ( tmp == 0 ? 1 : 0 );
|
| nkeynes@359 | 1310 | MEM_WRITE_BYTE( sh4r.r[Rn], tmp | 0x80 );
|
| nkeynes@359 | 1311 | }
|
| nkeynes@359 | 1312 | break;
|
| nkeynes@359 | 1313 | case 0x2:
|
| nkeynes@359 | 1314 | { /* JMP @Rn */
|
| nkeynes@359 | 1315 | uint32_t Rn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1316 | CHECKDEST( sh4r.r[Rn] );
|
| nkeynes@359 | 1317 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1318 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1319 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1320 | sh4r.new_pc = sh4r.r[Rn];
|
| nkeynes@359 | 1321 | return TRUE;
|
| nkeynes@359 | 1322 | }
|
| nkeynes@359 | 1323 | break;
|
| nkeynes@359 | 1324 | default:
|
| nkeynes@359 | 1325 | UNDEF();
|
| nkeynes@359 | 1326 | break;
|
| nkeynes@359 | 1327 | }
|
| nkeynes@359 | 1328 | break;
|
| nkeynes@359 | 1329 | case 0xC:
|
| nkeynes@359 | 1330 | { /* SHAD Rm, Rn */
|
| nkeynes@359 | 1331 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1332 | tmp = sh4r.r[Rm];
|
| nkeynes@359 | 1333 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
| nkeynes@359 | 1334 | else if( (tmp & 0x1F) == 0 )
|
| nkeynes@359 | 1335 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 31;
|
| nkeynes@359 | 1336 | else
|
| nkeynes@359 | 1337 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> (((~sh4r.r[Rm]) & 0x1F)+1);
|
| nkeynes@359 | 1338 | }
|
| nkeynes@359 | 1339 | break;
|
| nkeynes@359 | 1340 | case 0xD:
|
| nkeynes@359 | 1341 | { /* SHLD Rm, Rn */
|
| nkeynes@359 | 1342 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1343 | tmp = sh4r.r[Rm];
|
| nkeynes@359 | 1344 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
| nkeynes@359 | 1345 | else if( (tmp & 0x1F) == 0 ) sh4r.r[Rn] = 0;
|
| nkeynes@359 | 1346 | else sh4r.r[Rn] >>= (((~tmp) & 0x1F)+1);
|
| nkeynes@359 | 1347 | }
|
| nkeynes@359 | 1348 | break;
|
| nkeynes@359 | 1349 | case 0xE:
|
| nkeynes@359 | 1350 | switch( (ir&0x80) >> 7 ) {
|
| nkeynes@359 | 1351 | case 0x0:
|
| nkeynes@359 | 1352 | switch( (ir&0x70) >> 4 ) {
|
| nkeynes@359 | 1353 | case 0x0:
|
| nkeynes@359 | 1354 | { /* LDC Rm, SR */
|
| nkeynes@359 | 1355 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1356 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1357 | CHECKPRIV();
|
| nkeynes@374 | 1358 | sh4_write_sr( sh4r.r[Rm] );
|
| nkeynes@359 | 1359 | }
|
| nkeynes@359 | 1360 | break;
|
| nkeynes@359 | 1361 | case 0x1:
|
| nkeynes@359 | 1362 | { /* LDC Rm, GBR */
|
| nkeynes@359 | 1363 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1364 | sh4r.gbr = sh4r.r[Rm];
|
| nkeynes@359 | 1365 | }
|
| nkeynes@359 | 1366 | break;
|
| nkeynes@359 | 1367 | case 0x2:
|
| nkeynes@359 | 1368 | { /* LDC Rm, VBR */
|
| nkeynes@359 | 1369 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1370 | CHECKPRIV();
|
| nkeynes@359 | 1371 | sh4r.vbr = sh4r.r[Rm];
|
| nkeynes@359 | 1372 | }
|
| nkeynes@359 | 1373 | break;
|
| nkeynes@359 | 1374 | case 0x3:
|
| nkeynes@359 | 1375 | { /* LDC Rm, SSR */
|
| nkeynes@359 | 1376 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1377 | CHECKPRIV();
|
| nkeynes@359 | 1378 | sh4r.ssr = sh4r.r[Rm];
|
| nkeynes@359 | 1379 | }
|
| nkeynes@359 | 1380 | break;
|
| nkeynes@359 | 1381 | case 0x4:
|
| nkeynes@359 | 1382 | { /* LDC Rm, SPC */
|
| nkeynes@359 | 1383 | uint32_t Rm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1384 | CHECKPRIV();
|
| nkeynes@359 | 1385 | sh4r.spc = sh4r.r[Rm];
|
| nkeynes@359 | 1386 | }
|
| nkeynes@359 | 1387 | break;
|
| nkeynes@359 | 1388 | default:
|
| nkeynes@359 | 1389 | UNDEF();
|
| nkeynes@359 | 1390 | break;
|
| nkeynes@359 | 1391 | }
|
| nkeynes@359 | 1392 | break;
|
| nkeynes@359 | 1393 | case 0x1:
|
| nkeynes@359 | 1394 | { /* LDC Rm, Rn_BANK */
|
| nkeynes@359 | 1395 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
| nkeynes@359 | 1396 | CHECKPRIV();
|
| nkeynes@359 | 1397 | sh4r.r_bank[Rn_BANK] = sh4r.r[Rm];
|
| nkeynes@359 | 1398 | }
|
| nkeynes@359 | 1399 | break;
|
| nkeynes@359 | 1400 | }
|
| nkeynes@359 | 1401 | break;
|
| nkeynes@359 | 1402 | case 0xF:
|
| nkeynes@359 | 1403 | { /* MAC.W @Rm+, @Rn+ */
|
| nkeynes@359 | 1404 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1405 | CHECKRALIGN16( sh4r.r[Rn] );
|
| nkeynes@359 | 1406 | CHECKRALIGN16( sh4r.r[Rm] );
|
| nkeynes@359 | 1407 | int32_t stmp = SIGNEXT16(MEM_READ_WORD(sh4r.r[Rn]));
|
| nkeynes@359 | 1408 | sh4r.r[Rn] += 2;
|
| nkeynes@359 | 1409 | stmp = stmp * SIGNEXT16(MEM_READ_WORD(sh4r.r[Rm]));
|
| nkeynes@359 | 1410 | sh4r.r[Rm] += 2;
|
| nkeynes@359 | 1411 | if( sh4r.s ) {
|
| nkeynes@359 | 1412 | int64_t tmpl = (int64_t)((int32_t)sh4r.mac) + (int64_t)stmp;
|
| nkeynes@359 | 1413 | if( tmpl > (int64_t)0x000000007FFFFFFFLL ) {
|
| nkeynes@359 | 1414 | sh4r.mac = 0x000000017FFFFFFFLL;
|
| nkeynes@359 | 1415 | } else if( tmpl < (int64_t)0xFFFFFFFF80000000LL ) {
|
| nkeynes@359 | 1416 | sh4r.mac = 0x0000000180000000LL;
|
| nkeynes@359 | 1417 | } else {
|
| nkeynes@359 | 1418 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
| nkeynes@359 | 1419 | ((uint32_t)(sh4r.mac + stmp));
|
| nkeynes@359 | 1420 | }
|
| nkeynes@359 | 1421 | } else {
|
| nkeynes@359 | 1422 | sh4r.mac += SIGNEXT32(stmp);
|
| nkeynes@359 | 1423 | }
|
| nkeynes@359 | 1424 | }
|
| nkeynes@359 | 1425 | break;
|
| nkeynes@359 | 1426 | }
|
| nkeynes@359 | 1427 | break;
|
| nkeynes@359 | 1428 | case 0x5:
|
| nkeynes@359 | 1429 | { /* MOV.L @(disp, Rm), Rn */
|
| nkeynes@359 | 1430 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
| nkeynes@359 | 1431 | tmp = sh4r.r[Rm] + disp;
|
| nkeynes@359 | 1432 | CHECKRALIGN32( tmp );
|
| nkeynes@359 | 1433 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1434 | }
|
| nkeynes@359 | 1435 | break;
|
| nkeynes@359 | 1436 | case 0x6:
|
| nkeynes@359 | 1437 | switch( ir&0xF ) {
|
| nkeynes@359 | 1438 | case 0x0:
|
| nkeynes@359 | 1439 | { /* MOV.B @Rm, Rn */
|
| nkeynes@359 | 1440 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1441 | sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] );
|
| nkeynes@359 | 1442 | }
|
| nkeynes@359 | 1443 | break;
|
| nkeynes@359 | 1444 | case 0x1:
|
| nkeynes@359 | 1445 | { /* MOV.W @Rm, Rn */
|
| nkeynes@359 | 1446 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1447 | CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] );
|
| nkeynes@359 | 1448 | }
|
| nkeynes@359 | 1449 | break;
|
| nkeynes@359 | 1450 | case 0x2:
|
| nkeynes@359 | 1451 | { /* MOV.L @Rm, Rn */
|
| nkeynes@359 | 1452 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1453 | CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] );
|
| nkeynes@359 | 1454 | }
|
| nkeynes@359 | 1455 | break;
|
| nkeynes@359 | 1456 | case 0x3:
|
| nkeynes@359 | 1457 | { /* MOV Rm, Rn */
|
| nkeynes@359 | 1458 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1459 | sh4r.r[Rn] = sh4r.r[Rm];
|
| nkeynes@359 | 1460 | }
|
| nkeynes@359 | 1461 | break;
|
| nkeynes@359 | 1462 | case 0x4:
|
| nkeynes@359 | 1463 | { /* MOV.B @Rm+, Rn */
|
| nkeynes@359 | 1464 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1465 | sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); sh4r.r[Rm] ++;
|
| nkeynes@359 | 1466 | }
|
| nkeynes@359 | 1467 | break;
|
| nkeynes@359 | 1468 | case 0x5:
|
| nkeynes@359 | 1469 | { /* MOV.W @Rm+, Rn */
|
| nkeynes@359 | 1470 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1471 | CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); sh4r.r[Rm] += 2;
|
| nkeynes@359 | 1472 | }
|
| nkeynes@359 | 1473 | break;
|
| nkeynes@359 | 1474 | case 0x6:
|
| nkeynes@359 | 1475 | { /* MOV.L @Rm+, Rn */
|
| nkeynes@359 | 1476 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1477 | CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); sh4r.r[Rm] += 4;
|
| nkeynes@359 | 1478 | }
|
| nkeynes@359 | 1479 | break;
|
| nkeynes@359 | 1480 | case 0x7:
|
| nkeynes@359 | 1481 | { /* NOT Rm, Rn */
|
| nkeynes@359 | 1482 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1483 | sh4r.r[Rn] = ~sh4r.r[Rm];
|
| nkeynes@359 | 1484 | }
|
| nkeynes@359 | 1485 | break;
|
| nkeynes@359 | 1486 | case 0x8:
|
| nkeynes@359 | 1487 | { /* SWAP.B Rm, Rn */
|
| nkeynes@359 | 1488 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1489 | sh4r.r[Rn] = (sh4r.r[Rm]&0xFFFF0000) | ((sh4r.r[Rm]&0x0000FF00)>>8) | ((sh4r.r[Rm]&0x000000FF)<<8);
|
| nkeynes@359 | 1490 | }
|
| nkeynes@359 | 1491 | break;
|
| nkeynes@359 | 1492 | case 0x9:
|
| nkeynes@359 | 1493 | { /* SWAP.W Rm, Rn */
|
| nkeynes@359 | 1494 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1495 | sh4r.r[Rn] = (sh4r.r[Rm]>>16) | (sh4r.r[Rm]<<16);
|
| nkeynes@359 | 1496 | }
|
| nkeynes@359 | 1497 | break;
|
| nkeynes@359 | 1498 | case 0xA:
|
| nkeynes@359 | 1499 | { /* NEGC Rm, Rn */
|
| nkeynes@359 | 1500 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1501 | tmp = 0 - sh4r.r[Rm];
|
| nkeynes@359 | 1502 | sh4r.r[Rn] = tmp - sh4r.t;
|
| nkeynes@359 | 1503 | sh4r.t = ( 0<tmp || tmp<sh4r.r[Rn] ? 1 : 0 );
|
| nkeynes@359 | 1504 | }
|
| nkeynes@359 | 1505 | break;
|
| nkeynes@359 | 1506 | case 0xB:
|
| nkeynes@359 | 1507 | { /* NEG Rm, Rn */
|
| nkeynes@359 | 1508 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1509 | sh4r.r[Rn] = 0 - sh4r.r[Rm];
|
| nkeynes@359 | 1510 | }
|
| nkeynes@359 | 1511 | break;
|
| nkeynes@359 | 1512 | case 0xC:
|
| nkeynes@359 | 1513 | { /* EXTU.B Rm, Rn */
|
| nkeynes@359 | 1514 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1515 | sh4r.r[Rn] = sh4r.r[Rm]&0x000000FF;
|
| nkeynes@359 | 1516 | }
|
| nkeynes@359 | 1517 | break;
|
| nkeynes@359 | 1518 | case 0xD:
|
| nkeynes@359 | 1519 | { /* EXTU.W Rm, Rn */
|
| nkeynes@359 | 1520 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1521 | sh4r.r[Rn] = sh4r.r[Rm]&0x0000FFFF;
|
| nkeynes@359 | 1522 | }
|
| nkeynes@359 | 1523 | break;
|
| nkeynes@359 | 1524 | case 0xE:
|
| nkeynes@359 | 1525 | { /* EXTS.B Rm, Rn */
|
| nkeynes@359 | 1526 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1527 | sh4r.r[Rn] = SIGNEXT8( sh4r.r[Rm]&0x000000FF );
|
| nkeynes@359 | 1528 | }
|
| nkeynes@359 | 1529 | break;
|
| nkeynes@359 | 1530 | case 0xF:
|
| nkeynes@359 | 1531 | { /* EXTS.W Rm, Rn */
|
| nkeynes@359 | 1532 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1533 | sh4r.r[Rn] = SIGNEXT16( sh4r.r[Rm]&0x0000FFFF );
|
| nkeynes@359 | 1534 | }
|
| nkeynes@359 | 1535 | break;
|
| nkeynes@359 | 1536 | }
|
| nkeynes@359 | 1537 | break;
|
| nkeynes@359 | 1538 | case 0x7:
|
| nkeynes@359 | 1539 | { /* ADD #imm, Rn */
|
| nkeynes@359 | 1540 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1541 | sh4r.r[Rn] += imm;
|
| nkeynes@359 | 1542 | }
|
| nkeynes@359 | 1543 | break;
|
| nkeynes@359 | 1544 | case 0x8:
|
| nkeynes@359 | 1545 | switch( (ir&0xF00) >> 8 ) {
|
| nkeynes@359 | 1546 | case 0x0:
|
| nkeynes@359 | 1547 | { /* MOV.B R0, @(disp, Rn) */
|
| nkeynes@359 | 1548 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
| nkeynes@359 | 1549 | MEM_WRITE_BYTE( sh4r.r[Rn] + disp, R0 );
|
| nkeynes@359 | 1550 | }
|
| nkeynes@359 | 1551 | break;
|
| nkeynes@359 | 1552 | case 0x1:
|
| nkeynes@359 | 1553 | { /* MOV.W R0, @(disp, Rn) */
|
| nkeynes@359 | 1554 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
| nkeynes@359 | 1555 | tmp = sh4r.r[Rn] + disp;
|
| nkeynes@359 | 1556 | CHECKWALIGN16( tmp );
|
| nkeynes@359 | 1557 | MEM_WRITE_WORD( tmp, R0 );
|
| nkeynes@359 | 1558 | }
|
| nkeynes@359 | 1559 | break;
|
| nkeynes@359 | 1560 | case 0x4:
|
| nkeynes@359 | 1561 | { /* MOV.B @(disp, Rm), R0 */
|
| nkeynes@359 | 1562 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
| nkeynes@359 | 1563 | R0 = MEM_READ_BYTE( sh4r.r[Rm] + disp );
|
| nkeynes@359 | 1564 | }
|
| nkeynes@359 | 1565 | break;
|
| nkeynes@359 | 1566 | case 0x5:
|
| nkeynes@359 | 1567 | { /* MOV.W @(disp, Rm), R0 */
|
| nkeynes@359 | 1568 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
| nkeynes@359 | 1569 | tmp = sh4r.r[Rm] + disp;
|
| nkeynes@359 | 1570 | CHECKRALIGN16( tmp );
|
| nkeynes@359 | 1571 | R0 = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1572 | }
|
| nkeynes@359 | 1573 | break;
|
| nkeynes@359 | 1574 | case 0x8:
|
| nkeynes@359 | 1575 | { /* CMP/EQ #imm, R0 */
|
| nkeynes@359 | 1576 | int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1577 | sh4r.t = ( R0 == imm ? 1 : 0 );
|
| nkeynes@359 | 1578 | }
|
| nkeynes@359 | 1579 | break;
|
| nkeynes@359 | 1580 | case 0x9:
|
| nkeynes@359 | 1581 | { /* BT disp */
|
| nkeynes@359 | 1582 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1583 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1584 | if( sh4r.t ) {
|
| nkeynes@359 | 1585 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@359 | 1586 | sh4r.pc += disp + 4;
|
| nkeynes@359 | 1587 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@27 | 1588 | return TRUE;
|
| nkeynes@359 | 1589 | }
|
| nkeynes@359 | 1590 | }
|
| nkeynes@359 | 1591 | break;
|
| nkeynes@359 | 1592 | case 0xB:
|
| nkeynes@359 | 1593 | { /* BF disp */
|
| nkeynes@359 | 1594 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1595 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1596 | if( !sh4r.t ) {
|
| nkeynes@359 | 1597 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@359 | 1598 | sh4r.pc += disp + 4;
|
| nkeynes@359 | 1599 | sh4r.new_pc = sh4r.pc + 2;
|
| nkeynes@359 | 1600 | return TRUE;
|
| nkeynes@359 | 1601 | }
|
| nkeynes@359 | 1602 | }
|
| nkeynes@359 | 1603 | break;
|
| nkeynes@359 | 1604 | case 0xD:
|
| nkeynes@359 | 1605 | { /* BT/S disp */
|
| nkeynes@359 | 1606 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1607 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1608 | if( sh4r.t ) {
|
| nkeynes@359 | 1609 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@2 | 1610 | sh4r.in_delay_slot = 1;
|
| nkeynes@1 | 1611 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1612 | sh4r.new_pc = pc + disp + 4;
|
| nkeynes@359 | 1613 | sh4r.in_delay_slot = 1;
|
| nkeynes@27 | 1614 | return TRUE;
|
| nkeynes@359 | 1615 | }
|
| nkeynes@359 | 1616 | }
|
| nkeynes@359 | 1617 | break;
|
| nkeynes@359 | 1618 | case 0xF:
|
| nkeynes@359 | 1619 | { /* BF/S disp */
|
| nkeynes@359 | 1620 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
| nkeynes@359 | 1621 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1622 | if( !sh4r.t ) {
|
| nkeynes@359 | 1623 | CHECKDEST( sh4r.pc + disp + 4 )
|
| nkeynes@2 | 1624 | sh4r.in_delay_slot = 1;
|
| nkeynes@1 | 1625 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1626 | sh4r.new_pc = pc + disp + 4;
|
| nkeynes@27 | 1627 | return TRUE;
|
| nkeynes@359 | 1628 | }
|
| nkeynes@359 | 1629 | }
|
| nkeynes@359 | 1630 | break;
|
| nkeynes@359 | 1631 | default:
|
| nkeynes@359 | 1632 | UNDEF();
|
| nkeynes@359 | 1633 | break;
|
| nkeynes@359 | 1634 | }
|
| nkeynes@359 | 1635 | break;
|
| nkeynes@359 | 1636 | case 0x9:
|
| nkeynes@359 | 1637 | { /* MOV.W @(disp, PC), Rn */
|
| nkeynes@359 | 1638 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1639 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1640 | tmp = pc + 4 + disp;
|
| nkeynes@359 | 1641 | sh4r.r[Rn] = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1642 | }
|
| nkeynes@359 | 1643 | break;
|
| nkeynes@359 | 1644 | case 0xA:
|
| nkeynes@359 | 1645 | { /* BRA disp */
|
| nkeynes@359 | 1646 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
| nkeynes@359 | 1647 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1648 | CHECKDEST( sh4r.pc + disp + 4 );
|
| nkeynes@359 | 1649 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1650 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1651 | sh4r.new_pc = pc + 4 + disp;
|
| nkeynes@359 | 1652 | return TRUE;
|
| nkeynes@359 | 1653 | }
|
| nkeynes@359 | 1654 | break;
|
| nkeynes@359 | 1655 | case 0xB:
|
| nkeynes@359 | 1656 | { /* BSR disp */
|
| nkeynes@359 | 1657 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
| nkeynes@359 | 1658 | CHECKDEST( sh4r.pc + disp + 4 );
|
| nkeynes@359 | 1659 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1660 | sh4r.in_delay_slot = 1;
|
| nkeynes@359 | 1661 | sh4r.pr = pc + 4;
|
| nkeynes@359 | 1662 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@359 | 1663 | sh4r.new_pc = pc + 4 + disp;
|
| nkeynes@359 | 1664 | TRACE_CALL( pc, sh4r.new_pc );
|
| nkeynes@359 | 1665 | return TRUE;
|
| nkeynes@359 | 1666 | }
|
| nkeynes@359 | 1667 | break;
|
| nkeynes@359 | 1668 | case 0xC:
|
| nkeynes@359 | 1669 | switch( (ir&0xF00) >> 8 ) {
|
| nkeynes@359 | 1670 | case 0x0:
|
| nkeynes@359 | 1671 | { /* MOV.B R0, @(disp, GBR) */
|
| nkeynes@359 | 1672 | uint32_t disp = (ir&0xFF);
|
| nkeynes@359 | 1673 | MEM_WRITE_BYTE( sh4r.gbr + disp, R0 );
|
| nkeynes@359 | 1674 | }
|
| nkeynes@359 | 1675 | break;
|
| nkeynes@359 | 1676 | case 0x1:
|
| nkeynes@359 | 1677 | { /* MOV.W R0, @(disp, GBR) */
|
| nkeynes@359 | 1678 | uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1679 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1680 | CHECKWALIGN16( tmp );
|
| nkeynes@359 | 1681 | MEM_WRITE_WORD( tmp, R0 );
|
| nkeynes@359 | 1682 | }
|
| nkeynes@359 | 1683 | break;
|
| nkeynes@359 | 1684 | case 0x2:
|
| nkeynes@359 | 1685 | { /* MOV.L R0, @(disp, GBR) */
|
| nkeynes@359 | 1686 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1687 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1688 | CHECKWALIGN32( tmp );
|
| nkeynes@359 | 1689 | MEM_WRITE_LONG( tmp, R0 );
|
| nkeynes@359 | 1690 | }
|
| nkeynes@359 | 1691 | break;
|
| nkeynes@359 | 1692 | case 0x3:
|
| nkeynes@359 | 1693 | { /* TRAPA #imm */
|
| nkeynes@359 | 1694 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1695 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1696 | MMIO_WRITE( MMU, TRA, imm<<2 );
|
| nkeynes@359 | 1697 | sh4r.pc += 2;
|
| nkeynes@359 | 1698 | sh4_raise_exception( EXC_TRAP );
|
| nkeynes@359 | 1699 | }
|
| nkeynes@359 | 1700 | break;
|
| nkeynes@359 | 1701 | case 0x4:
|
| nkeynes@359 | 1702 | { /* MOV.B @(disp, GBR), R0 */
|
| nkeynes@359 | 1703 | uint32_t disp = (ir&0xFF);
|
| nkeynes@359 | 1704 | R0 = MEM_READ_BYTE( sh4r.gbr + disp );
|
| nkeynes@359 | 1705 | }
|
| nkeynes@359 | 1706 | break;
|
| nkeynes@359 | 1707 | case 0x5:
|
| nkeynes@359 | 1708 | { /* MOV.W @(disp, GBR), R0 */
|
| nkeynes@359 | 1709 | uint32_t disp = (ir&0xFF)<<1;
|
| nkeynes@359 | 1710 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1711 | CHECKRALIGN16( tmp );
|
| nkeynes@359 | 1712 | R0 = MEM_READ_WORD( tmp );
|
| nkeynes@359 | 1713 | }
|
| nkeynes@359 | 1714 | break;
|
| nkeynes@359 | 1715 | case 0x6:
|
| nkeynes@359 | 1716 | { /* MOV.L @(disp, GBR), R0 */
|
| nkeynes@359 | 1717 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1718 | tmp = sh4r.gbr + disp;
|
| nkeynes@359 | 1719 | CHECKRALIGN32( tmp );
|
| nkeynes@359 | 1720 | R0 = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1721 | }
|
| nkeynes@359 | 1722 | break;
|
| nkeynes@359 | 1723 | case 0x7:
|
| nkeynes@359 | 1724 | { /* MOVA @(disp, PC), R0 */
|
| nkeynes@359 | 1725 | uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1726 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1727 | R0 = (pc&0xFFFFFFFC) + disp + 4;
|
| nkeynes@359 | 1728 | }
|
| nkeynes@359 | 1729 | break;
|
| nkeynes@359 | 1730 | case 0x8:
|
| nkeynes@359 | 1731 | { /* TST #imm, R0 */
|
| nkeynes@359 | 1732 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1733 | sh4r.t = (R0 & imm ? 0 : 1);
|
| nkeynes@359 | 1734 | }
|
| nkeynes@359 | 1735 | break;
|
| nkeynes@359 | 1736 | case 0x9:
|
| nkeynes@359 | 1737 | { /* AND #imm, R0 */
|
| nkeynes@359 | 1738 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1739 | R0 &= imm;
|
| nkeynes@359 | 1740 | }
|
| nkeynes@359 | 1741 | break;
|
| nkeynes@359 | 1742 | case 0xA:
|
| nkeynes@359 | 1743 | { /* XOR #imm, R0 */
|
| nkeynes@359 | 1744 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1745 | R0 ^= imm;
|
| nkeynes@359 | 1746 | }
|
| nkeynes@359 | 1747 | break;
|
| nkeynes@359 | 1748 | case 0xB:
|
| nkeynes@359 | 1749 | { /* OR #imm, R0 */
|
| nkeynes@359 | 1750 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1751 | R0 |= imm;
|
| nkeynes@359 | 1752 | }
|
| nkeynes@359 | 1753 | break;
|
| nkeynes@359 | 1754 | case 0xC:
|
| nkeynes@359 | 1755 | { /* TST.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1756 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1757 | sh4r.t = ( MEM_READ_BYTE(R0 + sh4r.gbr) & imm ? 0 : 1 );
|
| nkeynes@359 | 1758 | }
|
| nkeynes@359 | 1759 | break;
|
| nkeynes@359 | 1760 | case 0xD:
|
| nkeynes@359 | 1761 | { /* AND.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1762 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1763 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm & MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1764 | }
|
| nkeynes@359 | 1765 | break;
|
| nkeynes@359 | 1766 | case 0xE:
|
| nkeynes@359 | 1767 | { /* XOR.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1768 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1769 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm ^ MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1770 | }
|
| nkeynes@359 | 1771 | break;
|
| nkeynes@359 | 1772 | case 0xF:
|
| nkeynes@359 | 1773 | { /* OR.B #imm, @(R0, GBR) */
|
| nkeynes@359 | 1774 | uint32_t imm = (ir&0xFF);
|
| nkeynes@359 | 1775 | MEM_WRITE_BYTE( R0 + sh4r.gbr, imm | MEM_READ_BYTE(R0 + sh4r.gbr) );
|
| nkeynes@359 | 1776 | }
|
| nkeynes@359 | 1777 | break;
|
| nkeynes@359 | 1778 | }
|
| nkeynes@359 | 1779 | break;
|
| nkeynes@359 | 1780 | case 0xD:
|
| nkeynes@359 | 1781 | { /* MOV.L @(disp, PC), Rn */
|
| nkeynes@359 | 1782 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<2;
|
| nkeynes@359 | 1783 | CHECKSLOTILLEGAL();
|
| nkeynes@359 | 1784 | tmp = (pc&0xFFFFFFFC) + disp + 4;
|
| nkeynes@359 | 1785 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
| nkeynes@359 | 1786 | }
|
| nkeynes@359 | 1787 | break;
|
| nkeynes@359 | 1788 | case 0xE:
|
| nkeynes@359 | 1789 | { /* MOV #imm, Rn */
|
| nkeynes@359 | 1790 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
| nkeynes@359 | 1791 | sh4r.r[Rn] = imm;
|
| nkeynes@359 | 1792 | }
|
| nkeynes@359 | 1793 | break;
|
| nkeynes@359 | 1794 | case 0xF:
|
| nkeynes@359 | 1795 | switch( ir&0xF ) {
|
| nkeynes@359 | 1796 | case 0x0:
|
| nkeynes@359 | 1797 | { /* FADD FRm, FRn */
|
| nkeynes@359 | 1798 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1799 | CHECKFPUEN();
|
| nkeynes@359 | 1800 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1801 | DR(FRn) += DR(FRm);
|
| nkeynes@359 | 1802 | } else {
|
| nkeynes@359 | 1803 | FR(FRn) += FR(FRm);
|
| nkeynes@359 | 1804 | }
|
| nkeynes@359 | 1805 | }
|
| nkeynes@359 | 1806 | break;
|
| nkeynes@359 | 1807 | case 0x1:
|
| nkeynes@359 | 1808 | { /* FSUB FRm, FRn */
|
| nkeynes@359 | 1809 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1810 | CHECKFPUEN();
|
| nkeynes@359 | 1811 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1812 | DR(FRn) -= DR(FRm);
|
| nkeynes@359 | 1813 | } else {
|
| nkeynes@359 | 1814 | FR(FRn) -= FR(FRm);
|
| nkeynes@359 | 1815 | }
|
| nkeynes@359 | 1816 | }
|
| nkeynes@359 | 1817 | break;
|
| nkeynes@359 | 1818 | case 0x2:
|
| nkeynes@359 | 1819 | { /* FMUL FRm, FRn */
|
| nkeynes@359 | 1820 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1821 | CHECKFPUEN();
|
| nkeynes@359 | 1822 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1823 | DR(FRn) *= DR(FRm);
|
| nkeynes@359 | 1824 | } else {
|
| nkeynes@359 | 1825 | FR(FRn) *= FR(FRm);
|
| nkeynes@359 | 1826 | }
|
| nkeynes@359 | 1827 | }
|
| nkeynes@359 | 1828 | break;
|
| nkeynes@359 | 1829 | case 0x3:
|
| nkeynes@359 | 1830 | { /* FDIV FRm, FRn */
|
| nkeynes@359 | 1831 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1832 | CHECKFPUEN();
|
| nkeynes@359 | 1833 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1834 | DR(FRn) /= DR(FRm);
|
| nkeynes@359 | 1835 | } else {
|
| nkeynes@359 | 1836 | FR(FRn) /= FR(FRm);
|
| nkeynes@359 | 1837 | }
|
| nkeynes@359 | 1838 | }
|
| nkeynes@359 | 1839 | break;
|
| nkeynes@359 | 1840 | case 0x4:
|
| nkeynes@359 | 1841 | { /* FCMP/EQ FRm, FRn */
|
| nkeynes@359 | 1842 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1843 | CHECKFPUEN();
|
| nkeynes@359 | 1844 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1845 | sh4r.t = ( DR(FRn) == DR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1846 | } else {
|
| nkeynes@359 | 1847 | sh4r.t = ( FR(FRn) == FR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1848 | }
|
| nkeynes@359 | 1849 | }
|
| nkeynes@359 | 1850 | break;
|
| nkeynes@359 | 1851 | case 0x5:
|
| nkeynes@359 | 1852 | { /* FCMP/GT FRm, FRn */
|
| nkeynes@359 | 1853 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1854 | CHECKFPUEN();
|
| nkeynes@359 | 1855 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1856 | sh4r.t = ( DR(FRn) > DR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1857 | } else {
|
| nkeynes@359 | 1858 | sh4r.t = ( FR(FRn) > FR(FRm) ? 1 : 0 );
|
| nkeynes@359 | 1859 | }
|
| nkeynes@359 | 1860 | }
|
| nkeynes@359 | 1861 | break;
|
| nkeynes@359 | 1862 | case 0x6:
|
| nkeynes@359 | 1863 | { /* FMOV @(R0, Rm), FRn */
|
| nkeynes@359 | 1864 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1865 | MEM_FP_READ( sh4r.r[Rm] + R0, FRn );
|
| nkeynes@359 | 1866 | }
|
| nkeynes@359 | 1867 | break;
|
| nkeynes@359 | 1868 | case 0x7:
|
| nkeynes@359 | 1869 | { /* FMOV FRm, @(R0, Rn) */
|
| nkeynes@359 | 1870 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1871 | MEM_FP_WRITE( sh4r.r[Rn] + R0, FRm );
|
| nkeynes@359 | 1872 | }
|
| nkeynes@359 | 1873 | break;
|
| nkeynes@359 | 1874 | case 0x8:
|
| nkeynes@359 | 1875 | { /* FMOV @Rm, FRn */
|
| nkeynes@359 | 1876 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1877 | MEM_FP_READ( sh4r.r[Rm], FRn );
|
| nkeynes@359 | 1878 | }
|
| nkeynes@359 | 1879 | break;
|
| nkeynes@359 | 1880 | case 0x9:
|
| nkeynes@359 | 1881 | { /* FMOV @Rm+, FRn */
|
| nkeynes@359 | 1882 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1883 | MEM_FP_READ( sh4r.r[Rm], FRn ); sh4r.r[Rm] += FP_WIDTH;
|
| nkeynes@359 | 1884 | }
|
| nkeynes@359 | 1885 | break;
|
| nkeynes@359 | 1886 | case 0xA:
|
| nkeynes@359 | 1887 | { /* FMOV FRm, @Rn */
|
| nkeynes@359 | 1888 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1889 | MEM_FP_WRITE( sh4r.r[Rn], FRm );
|
| nkeynes@359 | 1890 | }
|
| nkeynes@359 | 1891 | break;
|
| nkeynes@359 | 1892 | case 0xB:
|
| nkeynes@359 | 1893 | { /* FMOV FRm, @-Rn */
|
| nkeynes@359 | 1894 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1895 | sh4r.r[Rn] -= FP_WIDTH; MEM_FP_WRITE( sh4r.r[Rn], FRm );
|
| nkeynes@359 | 1896 | }
|
| nkeynes@359 | 1897 | break;
|
| nkeynes@359 | 1898 | case 0xC:
|
| nkeynes@359 | 1899 | { /* FMOV FRm, FRn */
|
| nkeynes@359 | 1900 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 1901 | if( IS_FPU_DOUBLESIZE() )
|
| nkeynes@359 | 1902 | DR(FRn) = DR(FRm);
|
| nkeynes@359 | 1903 | else
|
| nkeynes@359 | 1904 | FR(FRn) = FR(FRm);
|
| nkeynes@359 | 1905 | }
|
| nkeynes@359 | 1906 | break;
|
| nkeynes@359 | 1907 | case 0xD:
|
| nkeynes@359 | 1908 | switch( (ir&0xF0) >> 4 ) {
|
| nkeynes@359 | 1909 | case 0x0:
|
| nkeynes@359 | 1910 | { /* FSTS FPUL, FRn */
|
| nkeynes@359 | 1911 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1912 | CHECKFPUEN(); FR(FRn) = FPULf;
|
| nkeynes@359 | 1913 | }
|
| nkeynes@359 | 1914 | break;
|
| nkeynes@359 | 1915 | case 0x1:
|
| nkeynes@359 | 1916 | { /* FLDS FRm, FPUL */
|
| nkeynes@359 | 1917 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1918 | CHECKFPUEN(); FPULf = FR(FRm);
|
| nkeynes@359 | 1919 | }
|
| nkeynes@359 | 1920 | break;
|
| nkeynes@359 | 1921 | case 0x2:
|
| nkeynes@359 | 1922 | { /* FLOAT FPUL, FRn */
|
| nkeynes@359 | 1923 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1924 | CHECKFPUEN();
|
| nkeynes@374 | 1925 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@374 | 1926 | if( FRn&1 ) { // No, really...
|
| nkeynes@374 | 1927 | dtmp = (double)FPULi;
|
| nkeynes@374 | 1928 | FR(FRn) = *(((float *)&dtmp)+1);
|
| nkeynes@374 | 1929 | } else {
|
| nkeynes@374 | 1930 | DRF(FRn>>1) = (double)FPULi;
|
| nkeynes@374 | 1931 | }
|
| nkeynes@374 | 1932 | } else {
|
| nkeynes@359 | 1933 | FR(FRn) = (float)FPULi;
|
| nkeynes@359 | 1934 | }
|
| nkeynes@374 | 1935 | }
|
| nkeynes@359 | 1936 | break;
|
| nkeynes@359 | 1937 | case 0x3:
|
| nkeynes@359 | 1938 | { /* FTRC FRm, FPUL */
|
| nkeynes@359 | 1939 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 1940 | CHECKFPUEN();
|
| nkeynes@359 | 1941 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@374 | 1942 | if( FRm&1 ) {
|
| nkeynes@374 | 1943 | dtmp = 0;
|
| nkeynes@374 | 1944 | *(((float *)&dtmp)+1) = FR(FRm);
|
| nkeynes@374 | 1945 | } else {
|
| nkeynes@374 | 1946 | dtmp = DRF(FRm>>1);
|
| nkeynes@374 | 1947 | }
|
| nkeynes@359 | 1948 | if( dtmp >= MAX_INTF )
|
| nkeynes@359 | 1949 | FPULi = MAX_INT;
|
| nkeynes@359 | 1950 | else if( dtmp <= MIN_INTF )
|
| nkeynes@359 | 1951 | FPULi = MIN_INT;
|
| nkeynes@359 | 1952 | else
|
| nkeynes@359 | 1953 | FPULi = (int32_t)dtmp;
|
| nkeynes@359 | 1954 | } else {
|
| nkeynes@359 | 1955 | ftmp = FR(FRm);
|
| nkeynes@359 | 1956 | if( ftmp >= MAX_INTF )
|
| nkeynes@359 | 1957 | FPULi = MAX_INT;
|
| nkeynes@359 | 1958 | else if( ftmp <= MIN_INTF )
|
| nkeynes@359 | 1959 | FPULi = MIN_INT;
|
| nkeynes@359 | 1960 | else
|
| nkeynes@359 | 1961 | FPULi = (int32_t)ftmp;
|
| nkeynes@359 | 1962 | }
|
| nkeynes@359 | 1963 | }
|
| nkeynes@359 | 1964 | break;
|
| nkeynes@359 | 1965 | case 0x4:
|
| nkeynes@359 | 1966 | { /* FNEG FRn */
|
| nkeynes@359 | 1967 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1968 | CHECKFPUEN();
|
| nkeynes@359 | 1969 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1970 | DR(FRn) = -DR(FRn);
|
| nkeynes@359 | 1971 | } else {
|
| nkeynes@359 | 1972 | FR(FRn) = -FR(FRn);
|
| nkeynes@359 | 1973 | }
|
| nkeynes@359 | 1974 | }
|
| nkeynes@359 | 1975 | break;
|
| nkeynes@359 | 1976 | case 0x5:
|
| nkeynes@359 | 1977 | { /* FABS FRn */
|
| nkeynes@359 | 1978 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1979 | CHECKFPUEN();
|
| nkeynes@359 | 1980 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1981 | DR(FRn) = fabs(DR(FRn));
|
| nkeynes@359 | 1982 | } else {
|
| nkeynes@359 | 1983 | FR(FRn) = fabsf(FR(FRn));
|
| nkeynes@359 | 1984 | }
|
| nkeynes@359 | 1985 | }
|
| nkeynes@359 | 1986 | break;
|
| nkeynes@359 | 1987 | case 0x6:
|
| nkeynes@359 | 1988 | { /* FSQRT FRn */
|
| nkeynes@359 | 1989 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 1990 | CHECKFPUEN();
|
| nkeynes@359 | 1991 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 1992 | DR(FRn) = sqrt(DR(FRn));
|
| nkeynes@359 | 1993 | } else {
|
| nkeynes@359 | 1994 | FR(FRn) = sqrtf(FR(FRn));
|
| nkeynes@359 | 1995 | }
|
| nkeynes@359 | 1996 | }
|
| nkeynes@359 | 1997 | break;
|
| nkeynes@359 | 1998 | case 0x7:
|
| nkeynes@359 | 1999 | { /* FSRRA FRn */
|
| nkeynes@359 | 2000 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2001 | CHECKFPUEN();
|
| nkeynes@359 | 2002 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2003 | FR(FRn) = 1.0/sqrtf(FR(FRn));
|
| nkeynes@359 | 2004 | }
|
| nkeynes@359 | 2005 | }
|
| nkeynes@359 | 2006 | break;
|
| nkeynes@359 | 2007 | case 0x8:
|
| nkeynes@359 | 2008 | { /* FLDI0 FRn */
|
| nkeynes@359 | 2009 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2010 | CHECKFPUEN();
|
| nkeynes@359 | 2011 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2012 | DR(FRn) = 0.0;
|
| nkeynes@359 | 2013 | } else {
|
| nkeynes@359 | 2014 | FR(FRn) = 0.0;
|
| nkeynes@359 | 2015 | }
|
| nkeynes@359 | 2016 | }
|
| nkeynes@359 | 2017 | break;
|
| nkeynes@359 | 2018 | case 0x9:
|
| nkeynes@359 | 2019 | { /* FLDI1 FRn */
|
| nkeynes@359 | 2020 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2021 | CHECKFPUEN();
|
| nkeynes@359 | 2022 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2023 | DR(FRn) = 1.0;
|
| nkeynes@359 | 2024 | } else {
|
| nkeynes@359 | 2025 | FR(FRn) = 1.0;
|
| nkeynes@359 | 2026 | }
|
| nkeynes@359 | 2027 | }
|
| nkeynes@359 | 2028 | break;
|
| nkeynes@359 | 2029 | case 0xA:
|
| nkeynes@359 | 2030 | { /* FCNVSD FPUL, FRn */
|
| nkeynes@359 | 2031 | uint32_t FRn = ((ir>>8)&0xF);
|
| nkeynes@359 | 2032 | CHECKFPUEN();
|
| nkeynes@359 | 2033 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@359 | 2034 | DR(FRn) = (double)FPULf;
|
| nkeynes@359 | 2035 | }
|
| nkeynes@359 | 2036 | }
|
| nkeynes@359 | 2037 | break;
|
| nkeynes@359 | 2038 | case 0xB:
|
| nkeynes@359 | 2039 | { /* FCNVDS FRm, FPUL */
|
| nkeynes@359 | 2040 | uint32_t FRm = ((ir>>8)&0xF);
|
| nkeynes@359 | 2041 | CHECKFPUEN();
|
| nkeynes@359 | 2042 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
| nkeynes@359 | 2043 | FPULf = (float)DR(FRm);
|
| nkeynes@359 | 2044 | }
|
| nkeynes@359 | 2045 | }
|
| nkeynes@359 | 2046 | break;
|
| nkeynes@359 | 2047 | case 0xE:
|
| nkeynes@359 | 2048 | { /* FIPR FVm, FVn */
|
| nkeynes@359 | 2049 | uint32_t FVn = ((ir>>10)&0x3); uint32_t FVm = ((ir>>8)&0x3);
|
| nkeynes@359 | 2050 | CHECKFPUEN();
|
| nkeynes@359 | 2051 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2052 | int tmp2 = FVn<<2;
|
| nkeynes@359 | 2053 | tmp = FVm<<2;
|
| nkeynes@359 | 2054 | FR(tmp2+3) = FR(tmp)*FR(tmp2) +
|
| nkeynes@359 | 2055 | FR(tmp+1)*FR(tmp2+1) +
|
| nkeynes@359 | 2056 | FR(tmp+2)*FR(tmp2+2) +
|
| nkeynes@359 | 2057 | FR(tmp+3)*FR(tmp2+3);
|
| nkeynes@359 | 2058 | }
|
| nkeynes@359 | 2059 | }
|
| nkeynes@359 | 2060 | break;
|
| nkeynes@359 | 2061 | case 0xF:
|
| nkeynes@359 | 2062 | switch( (ir&0x100) >> 8 ) {
|
| nkeynes@359 | 2063 | case 0x0:
|
| nkeynes@359 | 2064 | { /* FSCA FPUL, FRn */
|
| nkeynes@359 | 2065 | uint32_t FRn = ((ir>>9)&0x7)<<1;
|
| nkeynes@359 | 2066 | CHECKFPUEN();
|
| nkeynes@359 | 2067 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@391 | 2068 | sh4_fsca( FPULi, &(DRF(FRn>>1)) );
|
| nkeynes@391 | 2069 | /*
|
| nkeynes@359 | 2070 | float angle = (((float)(FPULi&0xFFFF))/65536.0) * 2 * M_PI;
|
| nkeynes@359 | 2071 | FR(FRn) = sinf(angle);
|
| nkeynes@359 | 2072 | FR((FRn)+1) = cosf(angle);
|
| nkeynes@391 | 2073 | */
|
| nkeynes@359 | 2074 | }
|
| nkeynes@359 | 2075 | }
|
| nkeynes@359 | 2076 | break;
|
| nkeynes@359 | 2077 | case 0x1:
|
| nkeynes@359 | 2078 | switch( (ir&0x200) >> 9 ) {
|
| nkeynes@359 | 2079 | case 0x0:
|
| nkeynes@359 | 2080 | { /* FTRV XMTRX, FVn */
|
| nkeynes@359 | 2081 | uint32_t FVn = ((ir>>10)&0x3);
|
| nkeynes@359 | 2082 | CHECKFPUEN();
|
| nkeynes@359 | 2083 | if( !IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@391 | 2084 | sh4_ftrv(&(DRF(FVn<<1)), &sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21][0]);
|
| nkeynes@391 | 2085 | /*
|
| nkeynes@359 | 2086 | tmp = FVn<<2;
|
| nkeynes@374 | 2087 | float *xf = &sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 2088 | float fv[4] = { FR(tmp), FR(tmp+1), FR(tmp+2), FR(tmp+3) };
|
| nkeynes@374 | 2089 | FR(tmp) = xf[1] * fv[0] + xf[5]*fv[1] +
|
| nkeynes@374 | 2090 | xf[9]*fv[2] + xf[13]*fv[3];
|
| nkeynes@374 | 2091 | FR(tmp+1) = xf[0] * fv[0] + xf[4]*fv[1] +
|
| nkeynes@374 | 2092 | xf[8]*fv[2] + xf[12]*fv[3];
|
| nkeynes@374 | 2093 | FR(tmp+2) = xf[3] * fv[0] + xf[7]*fv[1] +
|
| nkeynes@374 | 2094 | xf[11]*fv[2] + xf[15]*fv[3];
|
| nkeynes@374 | 2095 | FR(tmp+3) = xf[2] * fv[0] + xf[6]*fv[1] +
|
| nkeynes@374 | 2096 | xf[10]*fv[2] + xf[14]*fv[3];
|
| nkeynes@391 | 2097 | */
|
| nkeynes@359 | 2098 | }
|
| nkeynes@359 | 2099 | }
|
| nkeynes@359 | 2100 | break;
|
| nkeynes@359 | 2101 | case 0x1:
|
| nkeynes@359 | 2102 | switch( (ir&0xC00) >> 10 ) {
|
| nkeynes@359 | 2103 | case 0x0:
|
| nkeynes@359 | 2104 | { /* FSCHG */
|
| nkeynes@359 | 2105 | CHECKFPUEN(); sh4r.fpscr ^= FPSCR_SZ;
|
| nkeynes@359 | 2106 | }
|
| nkeynes@359 | 2107 | break;
|
| nkeynes@359 | 2108 | case 0x2:
|
| nkeynes@359 | 2109 | { /* FRCHG */
|
| nkeynes@374 | 2110 | CHECKFPUEN();
|
| nkeynes@374 | 2111 | sh4r.fpscr ^= FPSCR_FR;
|
| nkeynes@374 | 2112 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0];
|
| nkeynes@359 | 2113 | }
|
| nkeynes@359 | 2114 | break;
|
| nkeynes@359 | 2115 | case 0x3:
|
| nkeynes@359 | 2116 | { /* UNDEF */
|
| nkeynes@359 | 2117 | UNDEF(ir);
|
| nkeynes@359 | 2118 | }
|
| nkeynes@359 | 2119 | break;
|
| nkeynes@359 | 2120 | default:
|
| nkeynes@359 | 2121 | UNDEF();
|
| nkeynes@359 | 2122 | break;
|
| nkeynes@359 | 2123 | }
|
| nkeynes@359 | 2124 | break;
|
| nkeynes@359 | 2125 | }
|
| nkeynes@359 | 2126 | break;
|
| nkeynes@359 | 2127 | }
|
| nkeynes@359 | 2128 | break;
|
| nkeynes@359 | 2129 | default:
|
| nkeynes@359 | 2130 | UNDEF();
|
| nkeynes@359 | 2131 | break;
|
| nkeynes@359 | 2132 | }
|
| nkeynes@359 | 2133 | break;
|
| nkeynes@359 | 2134 | case 0xE:
|
| nkeynes@359 | 2135 | { /* FMAC FR0, FRm, FRn */
|
| nkeynes@359 | 2136 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
| nkeynes@359 | 2137 | CHECKFPUEN();
|
| nkeynes@359 | 2138 | if( IS_FPU_DOUBLEPREC() ) {
|
| nkeynes@359 | 2139 | DR(FRn) += DR(FRm)*DR(0);
|
| nkeynes@359 | 2140 | } else {
|
| nkeynes@359 | 2141 | FR(FRn) += FR(FRm)*FR(0);
|
| nkeynes@359 | 2142 | }
|
| nkeynes@359 | 2143 | }
|
| nkeynes@359 | 2144 | break;
|
| nkeynes@359 | 2145 | default:
|
| nkeynes@359 | 2146 | UNDEF();
|
| nkeynes@359 | 2147 | break;
|
| nkeynes@359 | 2148 | }
|
| nkeynes@359 | 2149 | break;
|
| nkeynes@359 | 2150 | }
|
| nkeynes@1 | 2151 |
|
| nkeynes@1 | 2152 | sh4r.pc = sh4r.new_pc;
|
| nkeynes@1 | 2153 | sh4r.new_pc += 2;
|
| nkeynes@2 | 2154 | sh4r.in_delay_slot = 0;
|
| nkeynes@273 | 2155 | return TRUE;
|
| nkeynes@1 | 2156 | }
|
lxdream 0.9.1