nkeynes@30 | 1 | /**
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nkeynes@430 | 2 | * $Id: sh4dasm.c,v 1.12 2007-10-08 12:06:01 nkeynes Exp $
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nkeynes@30 | 3 | *
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nkeynes@30 | 4 | * SH4 CPU definition and disassembly functions
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nkeynes@30 | 5 | *
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nkeynes@30 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@30 | 7 | *
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nkeynes@30 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@30 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@30 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@30 | 11 | * (at your option) any later version.
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nkeynes@30 | 12 | *
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nkeynes@30 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@30 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@30 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@30 | 16 | * GNU General Public License for more details.
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nkeynes@30 | 17 | */
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nkeynes@30 | 18 |
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nkeynes@1 | 19 | #include "sh4core.h"
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nkeynes@1 | 20 | #include "sh4dasm.h"
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nkeynes@1 | 21 | #include "mem.h"
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nkeynes@1 | 22 |
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nkeynes@1 | 23 | #define UNIMP(ir) snprintf( buf, len, "??? " )
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nkeynes@1 | 24 |
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nkeynes@9 | 25 |
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nkeynes@11 | 26 | const struct reg_desc_struct sh4_reg_map[] =
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nkeynes@9 | 27 | { {"R0", REG_INT, &sh4r.r[0]}, {"R1", REG_INT, &sh4r.r[1]},
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nkeynes@9 | 28 | {"R2", REG_INT, &sh4r.r[2]}, {"R3", REG_INT, &sh4r.r[3]},
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nkeynes@9 | 29 | {"R4", REG_INT, &sh4r.r[4]}, {"R5", REG_INT, &sh4r.r[5]},
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nkeynes@9 | 30 | {"R6", REG_INT, &sh4r.r[6]}, {"R7", REG_INT, &sh4r.r[7]},
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nkeynes@9 | 31 | {"R8", REG_INT, &sh4r.r[8]}, {"R9", REG_INT, &sh4r.r[9]},
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nkeynes@9 | 32 | {"R10",REG_INT, &sh4r.r[10]}, {"R11",REG_INT, &sh4r.r[11]},
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nkeynes@9 | 33 | {"R12",REG_INT, &sh4r.r[12]}, {"R13",REG_INT, &sh4r.r[13]},
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nkeynes@9 | 34 | {"R14",REG_INT, &sh4r.r[14]}, {"R15",REG_INT, &sh4r.r[15]},
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nkeynes@9 | 35 | {"SR", REG_INT, &sh4r.sr}, {"GBR", REG_INT, &sh4r.gbr},
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nkeynes@9 | 36 | {"SSR",REG_INT, &sh4r.ssr}, {"SPC", REG_INT, &sh4r.spc},
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nkeynes@9 | 37 | {"SGR",REG_INT, &sh4r.sgr}, {"DBR", REG_INT, &sh4r.dbr},
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nkeynes@9 | 38 | {"VBR",REG_INT, &sh4r.vbr},
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nkeynes@9 | 39 | {"PC", REG_INT, &sh4r.pc}, {"PR", REG_INT, &sh4r.pr},
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nkeynes@9 | 40 | {"MACL",REG_INT, &sh4r.mac},{"MACH",REG_INT, ((uint32_t *)&sh4r.mac)+1},
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nkeynes@9 | 41 | {"FPUL", REG_INT, &sh4r.fpul}, {"FPSCR", REG_INT, &sh4r.fpscr},
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nkeynes@9 | 42 | {NULL, 0, NULL} };
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nkeynes@9 | 43 |
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nkeynes@10 | 44 |
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nkeynes@14 | 45 | const struct cpu_desc_struct sh4_cpu_desc =
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nkeynes@43 | 46 | { "SH4", sh4_disasm_instruction, sh4_execute_instruction, mem_has_page,
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nkeynes@43 | 47 | sh4_set_breakpoint, sh4_clear_breakpoint, sh4_get_breakpoint, 2,
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nkeynes@14 | 48 | (char *)&sh4r, sizeof(sh4r), sh4_reg_map,
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nkeynes@302 | 49 | &sh4r.pc };
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nkeynes@9 | 50 |
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nkeynes@11 | 51 | uint32_t sh4_disasm_instruction( uint32_t pc, char *buf, int len, char *opcode )
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nkeynes@1 | 52 | {
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nkeynes@10 | 53 | uint16_t ir = sh4_read_word(pc);
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nkeynes@359 | 54 |
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nkeynes@359 | 55 | #define UNDEF(ir) snprintf( buf, len, "???? " );
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nkeynes@1 | 56 | #define RN(ir) ((ir&0x0F00)>>8)
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nkeynes@1 | 57 | #define RN_BANK(ir) ((ir&0x0070)>>4)
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nkeynes@1 | 58 | #define RM(ir) ((ir&0x00F0)>>4)
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nkeynes@1 | 59 | #define DISP4(ir) (ir&0x000F) /* 4-bit displacements are *not* sign extended */
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nkeynes@1 | 60 | #define DISP8(ir) (ir&0x00FF)
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nkeynes@1 | 61 | #define PCDISP8(ir) SIGNEXT8(ir&0x00FF)
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nkeynes@1 | 62 | #define UIMM8(ir) (ir&0x00FF)
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nkeynes@1 | 63 | #define IMM8(ir) SIGNEXT8(ir&0x00FF)
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nkeynes@1 | 64 | #define DISP12(ir) SIGNEXT12(ir&0x0FFF)
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nkeynes@1 | 65 | #define FVN(ir) ((ir&0x0C00)>>10)
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nkeynes@1 | 66 | #define FVM(ir) ((ir&0x0300)>>8)
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nkeynes@1 | 67 |
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nkeynes@11 | 68 | sprintf( opcode, "%02X %02X", ir&0xFF, ir>>8 );
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nkeynes@11 | 69 |
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nkeynes@359 | 70 | switch( (ir&0xF000) >> 12 ) {
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nkeynes@359 | 71 | case 0x0:
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nkeynes@359 | 72 | switch( ir&0xF ) {
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nkeynes@359 | 73 | case 0x2:
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nkeynes@359 | 74 | switch( (ir&0x80) >> 7 ) {
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nkeynes@359 | 75 | case 0x0:
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nkeynes@359 | 76 | switch( (ir&0x70) >> 4 ) {
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nkeynes@359 | 77 | case 0x0:
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nkeynes@359 | 78 | { /* STC SR, Rn */
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nkeynes@359 | 79 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 80 | snprintf( buf, len, "STC SR, R%d", Rn );
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nkeynes@359 | 81 | }
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nkeynes@359 | 82 | break;
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nkeynes@359 | 83 | case 0x1:
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nkeynes@359 | 84 | { /* STC GBR, Rn */
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nkeynes@359 | 85 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 86 | snprintf( buf, len, "STC GBR, R%d", Rn );
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nkeynes@359 | 87 | }
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nkeynes@359 | 88 | break;
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nkeynes@359 | 89 | case 0x2:
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nkeynes@359 | 90 | { /* STC VBR, Rn */
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nkeynes@359 | 91 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 92 | snprintf( buf, len, "STC VBR, R%d", Rn );
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nkeynes@359 | 93 | }
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nkeynes@359 | 94 | break;
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nkeynes@359 | 95 | case 0x3:
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nkeynes@359 | 96 | { /* STC SSR, Rn */
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nkeynes@359 | 97 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 98 | snprintf( buf, len, "STC SSR, R%d", Rn );
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nkeynes@359 | 99 | }
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nkeynes@359 | 100 | break;
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nkeynes@359 | 101 | case 0x4:
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nkeynes@359 | 102 | { /* STC SPC, Rn */
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nkeynes@359 | 103 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 104 | snprintf( buf, len, "STC SPC, R%d", Rn );
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nkeynes@359 | 105 | }
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nkeynes@359 | 106 | break;
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nkeynes@359 | 107 | default:
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nkeynes@359 | 108 | UNDEF();
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nkeynes@359 | 109 | break;
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nkeynes@359 | 110 | }
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nkeynes@359 | 111 | break;
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nkeynes@359 | 112 | case 0x1:
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nkeynes@359 | 113 | { /* STC Rm_BANK, Rn */
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nkeynes@359 | 114 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
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nkeynes@359 | 115 | snprintf( buf, len, "STC R%d_BANK, R%d", Rm_BANK, Rn );
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nkeynes@359 | 116 | }
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nkeynes@359 | 117 | break;
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nkeynes@359 | 118 | }
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nkeynes@359 | 119 | break;
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nkeynes@359 | 120 | case 0x3:
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nkeynes@359 | 121 | switch( (ir&0xF0) >> 4 ) {
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nkeynes@359 | 122 | case 0x0:
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nkeynes@359 | 123 | { /* BSRF Rn */
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nkeynes@359 | 124 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 125 | snprintf( buf, len, "BSRF R%d", Rn );
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nkeynes@359 | 126 | }
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nkeynes@359 | 127 | break;
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nkeynes@359 | 128 | case 0x2:
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nkeynes@359 | 129 | { /* BRAF Rn */
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nkeynes@359 | 130 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 131 | snprintf( buf, len, "BRAF R%d", Rn );
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nkeynes@359 | 132 | }
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nkeynes@359 | 133 | break;
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nkeynes@359 | 134 | case 0x8:
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nkeynes@359 | 135 | { /* PREF @Rn */
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nkeynes@359 | 136 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 137 | snprintf( buf, len, "PREF R%d", Rn );
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nkeynes@359 | 138 | }
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nkeynes@359 | 139 | break;
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nkeynes@359 | 140 | case 0x9:
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nkeynes@359 | 141 | { /* OCBI @Rn */
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nkeynes@359 | 142 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 143 | snprintf( buf, len, "OCBI @R%d", Rn );
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nkeynes@359 | 144 | }
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nkeynes@359 | 145 | break;
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nkeynes@359 | 146 | case 0xA:
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nkeynes@359 | 147 | { /* OCBP @Rn */
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nkeynes@359 | 148 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 149 | snprintf( buf, len, "OCBP @R%d", Rn );
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nkeynes@359 | 150 | }
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nkeynes@359 | 151 | break;
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nkeynes@359 | 152 | case 0xB:
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nkeynes@359 | 153 | { /* OCBWB @Rn */
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nkeynes@359 | 154 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 155 | snprintf( buf, len, "OCBWB @R%d", Rn );
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nkeynes@359 | 156 | }
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nkeynes@359 | 157 | break;
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nkeynes@359 | 158 | case 0xC:
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nkeynes@359 | 159 | { /* MOVCA.L R0, @Rn */
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nkeynes@359 | 160 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 161 | snprintf( buf, len, "MOVCA.L R0, @R%d", Rn );
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nkeynes@359 | 162 | }
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nkeynes@359 | 163 | break;
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nkeynes@359 | 164 | default:
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nkeynes@359 | 165 | UNDEF();
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nkeynes@359 | 166 | break;
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nkeynes@359 | 167 | }
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nkeynes@359 | 168 | break;
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nkeynes@359 | 169 | case 0x4:
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nkeynes@359 | 170 | { /* MOV.B Rm, @(R0, Rn) */
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nkeynes@359 | 171 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 172 | snprintf( buf, len, "MOV.B R%d, @(R0, R%d)", Rm, Rn );
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nkeynes@359 | 173 | }
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nkeynes@359 | 174 | break;
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nkeynes@359 | 175 | case 0x5:
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nkeynes@359 | 176 | { /* MOV.W Rm, @(R0, Rn) */
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nkeynes@359 | 177 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 178 | snprintf( buf, len, "MOV.W R%d, @(R0, R%d)", Rm, Rn );
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nkeynes@359 | 179 | }
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nkeynes@359 | 180 | break;
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nkeynes@359 | 181 | case 0x6:
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nkeynes@359 | 182 | { /* MOV.L Rm, @(R0, Rn) */
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nkeynes@359 | 183 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 184 | snprintf( buf, len, "MOV.L R%d, @(R0, R%d)", Rm, Rn );
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nkeynes@359 | 185 | }
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nkeynes@359 | 186 | break;
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nkeynes@359 | 187 | case 0x7:
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nkeynes@359 | 188 | { /* MUL.L Rm, Rn */
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nkeynes@359 | 189 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 190 | snprintf( buf, len, "MUL.L R%d, R%d", Rm, Rn );
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nkeynes@359 | 191 | }
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nkeynes@359 | 192 | break;
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nkeynes@359 | 193 | case 0x8:
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nkeynes@359 | 194 | switch( (ir&0xFF0) >> 4 ) {
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nkeynes@359 | 195 | case 0x0:
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nkeynes@359 | 196 | { /* CLRT */
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nkeynes@359 | 197 | snprintf( buf, len, "CLRT " );
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nkeynes@359 | 198 | }
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nkeynes@359 | 199 | break;
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nkeynes@359 | 200 | case 0x1:
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nkeynes@359 | 201 | { /* SETT */
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nkeynes@359 | 202 | snprintf( buf, len, "SETT " );
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nkeynes@359 | 203 | }
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nkeynes@359 | 204 | break;
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nkeynes@359 | 205 | case 0x2:
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nkeynes@359 | 206 | { /* CLRMAC */
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nkeynes@359 | 207 | snprintf( buf, len, "CLRMAC " );
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nkeynes@359 | 208 | }
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nkeynes@359 | 209 | break;
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nkeynes@359 | 210 | case 0x3:
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nkeynes@359 | 211 | { /* LDTLB */
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nkeynes@359 | 212 | snprintf( buf, len, "LDTLB " );
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nkeynes@359 | 213 | }
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nkeynes@359 | 214 | break;
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nkeynes@359 | 215 | case 0x4:
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nkeynes@359 | 216 | { /* CLRS */
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nkeynes@359 | 217 | snprintf( buf, len, "CLRS " );
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nkeynes@359 | 218 | }
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nkeynes@359 | 219 | break;
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nkeynes@359 | 220 | case 0x5:
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nkeynes@359 | 221 | { /* SETS */
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nkeynes@359 | 222 | snprintf( buf, len, "SETS " );
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nkeynes@359 | 223 | }
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nkeynes@359 | 224 | break;
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nkeynes@359 | 225 | default:
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nkeynes@359 | 226 | UNDEF();
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nkeynes@359 | 227 | break;
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nkeynes@359 | 228 | }
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nkeynes@359 | 229 | break;
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nkeynes@359 | 230 | case 0x9:
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nkeynes@359 | 231 | switch( (ir&0xF0) >> 4 ) {
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nkeynes@359 | 232 | case 0x0:
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nkeynes@359 | 233 | { /* NOP */
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nkeynes@359 | 234 | snprintf( buf, len, "NOP " );
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nkeynes@359 | 235 | }
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nkeynes@359 | 236 | break;
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nkeynes@359 | 237 | case 0x1:
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nkeynes@359 | 238 | { /* DIV0U */
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nkeynes@359 | 239 | snprintf( buf, len, "DIV0U " );
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nkeynes@359 | 240 | }
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nkeynes@359 | 241 | break;
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nkeynes@359 | 242 | case 0x2:
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nkeynes@359 | 243 | { /* MOVT Rn */
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nkeynes@359 | 244 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 245 | snprintf( buf, len, "MOVT R%d", Rn );
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nkeynes@359 | 246 | }
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nkeynes@359 | 247 | break;
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nkeynes@359 | 248 | default:
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nkeynes@359 | 249 | UNDEF();
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nkeynes@359 | 250 | break;
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nkeynes@359 | 251 | }
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nkeynes@359 | 252 | break;
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nkeynes@359 | 253 | case 0xA:
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nkeynes@359 | 254 | switch( (ir&0xF0) >> 4 ) {
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nkeynes@359 | 255 | case 0x0:
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nkeynes@359 | 256 | { /* STS MACH, Rn */
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nkeynes@359 | 257 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 258 | snprintf( buf, len, "STS MACH, R%d", Rn );
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nkeynes@359 | 259 | }
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nkeynes@359 | 260 | break;
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nkeynes@359 | 261 | case 0x1:
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nkeynes@359 | 262 | { /* STS MACL, Rn */
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nkeynes@359 | 263 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 264 | snprintf( buf, len, "STS MACL, R%d", Rn );
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nkeynes@359 | 265 | }
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nkeynes@359 | 266 | break;
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nkeynes@359 | 267 | case 0x2:
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nkeynes@359 | 268 | { /* STS PR, Rn */
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nkeynes@359 | 269 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 270 | snprintf( buf, len, "STS PR, R%d", Rn );
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nkeynes@359 | 271 | }
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nkeynes@359 | 272 | break;
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nkeynes@359 | 273 | case 0x3:
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nkeynes@359 | 274 | { /* STC SGR, Rn */
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nkeynes@359 | 275 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 276 | snprintf( buf, len, "STC SGR, R%d", Rn );
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nkeynes@359 | 277 | }
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nkeynes@359 | 278 | break;
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nkeynes@359 | 279 | case 0x5:
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nkeynes@359 | 280 | { /* STS FPUL, Rn */
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nkeynes@359 | 281 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 282 | snprintf( buf, len, "STS FPUL, R%d", Rn );
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nkeynes@359 | 283 | }
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nkeynes@359 | 284 | break;
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nkeynes@359 | 285 | case 0x6:
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nkeynes@359 | 286 | { /* STS FPSCR, Rn */
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nkeynes@359 | 287 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 288 | snprintf( buf, len, "STS FPSCR, R%d", Rn );
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nkeynes@359 | 289 | }
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nkeynes@359 | 290 | break;
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nkeynes@359 | 291 | case 0xF:
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nkeynes@359 | 292 | { /* STC DBR, Rn */
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nkeynes@359 | 293 | uint32_t Rn = ((ir>>8)&0xF);
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nkeynes@359 | 294 | snprintf( buf, len, "STC DBR, R%d", Rn );
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nkeynes@359 | 295 | }
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nkeynes@359 | 296 | break;
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nkeynes@359 | 297 | default:
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nkeynes@359 | 298 | UNDEF();
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nkeynes@359 | 299 | break;
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nkeynes@359 | 300 | }
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nkeynes@359 | 301 | break;
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nkeynes@359 | 302 | case 0xB:
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nkeynes@359 | 303 | switch( (ir&0xFF0) >> 4 ) {
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nkeynes@359 | 304 | case 0x0:
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nkeynes@359 | 305 | { /* RTS */
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nkeynes@359 | 306 | snprintf( buf, len, "RTS " );
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nkeynes@359 | 307 | }
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nkeynes@359 | 308 | break;
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nkeynes@359 | 309 | case 0x1:
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nkeynes@359 | 310 | { /* SLEEP */
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nkeynes@359 | 311 | snprintf( buf, len, "SLEEP " );
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nkeynes@359 | 312 | }
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nkeynes@359 | 313 | break;
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nkeynes@359 | 314 | case 0x2:
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nkeynes@359 | 315 | { /* RTE */
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nkeynes@359 | 316 | snprintf( buf, len, "RTE " );
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nkeynes@359 | 317 | }
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nkeynes@359 | 318 | break;
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nkeynes@359 | 319 | default:
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nkeynes@359 | 320 | UNDEF();
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nkeynes@359 | 321 | break;
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nkeynes@359 | 322 | }
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nkeynes@359 | 323 | break;
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nkeynes@359 | 324 | case 0xC:
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nkeynes@359 | 325 | { /* MOV.B @(R0, Rm), Rn */
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nkeynes@359 | 326 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 327 | snprintf( buf, len, "MOV.B @(R0, R%d), R%d", Rm, Rn );
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nkeynes@359 | 328 | }
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nkeynes@359 | 329 | break;
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nkeynes@359 | 330 | case 0xD:
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nkeynes@359 | 331 | { /* MOV.W @(R0, Rm), Rn */
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nkeynes@359 | 332 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 333 | snprintf( buf, len, "MOV.W @(R0, R%d), R%d", Rm, Rn );
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nkeynes@359 | 334 | }
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nkeynes@359 | 335 | break;
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nkeynes@359 | 336 | case 0xE:
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nkeynes@359 | 337 | { /* MOV.L @(R0, Rm), Rn */
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nkeynes@359 | 338 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 339 | snprintf( buf, len, "MOV.L @(R0, R%d), R%d", Rm, Rn );
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nkeynes@359 | 340 | }
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nkeynes@359 | 341 | break;
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nkeynes@359 | 342 | case 0xF:
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nkeynes@359 | 343 | { /* MAC.L @Rm+, @Rn+ */
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nkeynes@359 | 344 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
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nkeynes@359 | 345 | snprintf( buf, len, "MAC.L @R%d+, @R%d+", Rm, Rn );
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nkeynes@359 | 346 | }
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nkeynes@359 | 347 | break;
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nkeynes@359 | 348 | default:
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nkeynes@359 | 349 | UNDEF();
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nkeynes@359 | 350 | break;
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nkeynes@359 | 351 | }
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nkeynes@359 | 352 | break;
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nkeynes@359 | 353 | case 0x1:
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nkeynes@359 | 354 | { /* MOV.L Rm, @(disp, Rn) */
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nkeynes@359 | 355 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
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nkeynes@359 | 356 | snprintf( buf, len, "MOV.L R%d, @(%d, R%d)", Rm, disp, Rn );
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nkeynes@359 | 357 | }
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nkeynes@359 | 358 | break;
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nkeynes@359 | 359 | case 0x2:
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nkeynes@359 | 360 | switch( ir&0xF ) {
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nkeynes@359 | 361 | case 0x0:
|
nkeynes@359 | 362 | { /* MOV.B Rm, @Rn */
|
nkeynes@359 | 363 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 364 | snprintf( buf, len, "MOV.B R%d, @R%d", Rm, Rn );
|
nkeynes@359 | 365 | }
|
nkeynes@359 | 366 | break;
|
nkeynes@359 | 367 | case 0x1:
|
nkeynes@359 | 368 | { /* MOV.W Rm, @Rn */
|
nkeynes@359 | 369 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 370 | snprintf( buf, len, "MOV.W R%d, @R%d", Rm, Rn );
|
nkeynes@359 | 371 | }
|
nkeynes@359 | 372 | break;
|
nkeynes@359 | 373 | case 0x2:
|
nkeynes@359 | 374 | { /* MOV.L Rm, @Rn */
|
nkeynes@359 | 375 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 376 | snprintf( buf, len, "MOV.L R%d, @R%d", Rm, Rn );
|
nkeynes@359 | 377 | }
|
nkeynes@359 | 378 | break;
|
nkeynes@359 | 379 | case 0x4:
|
nkeynes@359 | 380 | { /* MOV.B Rm, @-Rn */
|
nkeynes@359 | 381 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 382 | snprintf( buf, len, "MOV.B R%d, @-R%d", Rm, Rn );
|
nkeynes@359 | 383 | }
|
nkeynes@359 | 384 | break;
|
nkeynes@359 | 385 | case 0x5:
|
nkeynes@359 | 386 | { /* MOV.W Rm, @-Rn */
|
nkeynes@359 | 387 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 388 | snprintf( buf, len, "MOV.W R%d, @-R%d", Rm, Rn );
|
nkeynes@359 | 389 | }
|
nkeynes@359 | 390 | break;
|
nkeynes@359 | 391 | case 0x6:
|
nkeynes@359 | 392 | { /* MOV.L Rm, @-Rn */
|
nkeynes@359 | 393 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 394 | snprintf( buf, len, "MOV.L R%d, @-R%d", Rm, Rn );
|
nkeynes@359 | 395 | }
|
nkeynes@359 | 396 | break;
|
nkeynes@359 | 397 | case 0x7:
|
nkeynes@359 | 398 | { /* DIV0S Rm, Rn */
|
nkeynes@359 | 399 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 400 | snprintf( buf, len, "DIV0S R%d, R%d", Rm, Rn );
|
nkeynes@359 | 401 | }
|
nkeynes@359 | 402 | break;
|
nkeynes@359 | 403 | case 0x8:
|
nkeynes@359 | 404 | { /* TST Rm, Rn */
|
nkeynes@359 | 405 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 406 | snprintf( buf, len, "TST R%d, R%d", Rm, Rn );
|
nkeynes@359 | 407 | }
|
nkeynes@359 | 408 | break;
|
nkeynes@359 | 409 | case 0x9:
|
nkeynes@359 | 410 | { /* AND Rm, Rn */
|
nkeynes@359 | 411 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 412 | snprintf( buf, len, "AND R%d, R%d", Rm, Rn );
|
nkeynes@359 | 413 | }
|
nkeynes@359 | 414 | break;
|
nkeynes@359 | 415 | case 0xA:
|
nkeynes@359 | 416 | { /* XOR Rm, Rn */
|
nkeynes@359 | 417 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 418 | snprintf( buf, len, "XOR R%d, R%d", Rm, Rn );
|
nkeynes@359 | 419 | }
|
nkeynes@359 | 420 | break;
|
nkeynes@359 | 421 | case 0xB:
|
nkeynes@359 | 422 | { /* OR Rm, Rn */
|
nkeynes@359 | 423 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 424 | snprintf( buf, len, "OR R%d, R%d", Rm, Rn );
|
nkeynes@359 | 425 | }
|
nkeynes@359 | 426 | break;
|
nkeynes@359 | 427 | case 0xC:
|
nkeynes@359 | 428 | { /* CMP/STR Rm, Rn */
|
nkeynes@359 | 429 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 430 | snprintf( buf, len, "CMP/STR R%d, R%d", Rm, Rn );
|
nkeynes@359 | 431 | }
|
nkeynes@359 | 432 | break;
|
nkeynes@359 | 433 | case 0xD:
|
nkeynes@359 | 434 | { /* XTRCT Rm, Rn */
|
nkeynes@359 | 435 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 436 | snprintf( buf, len, "XTRCT R%d, R%d", Rm, Rn );
|
nkeynes@359 | 437 | }
|
nkeynes@359 | 438 | break;
|
nkeynes@359 | 439 | case 0xE:
|
nkeynes@359 | 440 | { /* MULU.W Rm, Rn */
|
nkeynes@359 | 441 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 442 | snprintf( buf, len, "MULU.W R%d, R%d", Rm, Rn );
|
nkeynes@359 | 443 | }
|
nkeynes@359 | 444 | break;
|
nkeynes@359 | 445 | case 0xF:
|
nkeynes@359 | 446 | { /* MULS.W Rm, Rn */
|
nkeynes@359 | 447 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 448 | snprintf( buf, len, "MULS.W R%d, R%d", Rm, Rn );
|
nkeynes@359 | 449 | }
|
nkeynes@359 | 450 | break;
|
nkeynes@359 | 451 | default:
|
nkeynes@359 | 452 | UNDEF();
|
nkeynes@359 | 453 | break;
|
nkeynes@359 | 454 | }
|
nkeynes@359 | 455 | break;
|
nkeynes@359 | 456 | case 0x3:
|
nkeynes@359 | 457 | switch( ir&0xF ) {
|
nkeynes@359 | 458 | case 0x0:
|
nkeynes@359 | 459 | { /* CMP/EQ Rm, Rn */
|
nkeynes@359 | 460 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 461 | snprintf( buf, len, "CMP/EQ R%d, R%d", Rm, Rn );
|
nkeynes@359 | 462 | }
|
nkeynes@359 | 463 | break;
|
nkeynes@359 | 464 | case 0x2:
|
nkeynes@359 | 465 | { /* CMP/HS Rm, Rn */
|
nkeynes@359 | 466 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 467 | snprintf( buf, len, "CMP/HS R%d, R%d", Rm, Rn );
|
nkeynes@359 | 468 | }
|
nkeynes@359 | 469 | break;
|
nkeynes@359 | 470 | case 0x3:
|
nkeynes@359 | 471 | { /* CMP/GE Rm, Rn */
|
nkeynes@359 | 472 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 473 | snprintf( buf, len, "CMP/GE R%d, R%d", Rm, Rn );
|
nkeynes@359 | 474 | }
|
nkeynes@359 | 475 | break;
|
nkeynes@359 | 476 | case 0x4:
|
nkeynes@359 | 477 | { /* DIV1 Rm, Rn */
|
nkeynes@359 | 478 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 479 | snprintf( buf, len, "DIV1 R%d, R%d", Rm, Rn );
|
nkeynes@359 | 480 | }
|
nkeynes@359 | 481 | break;
|
nkeynes@359 | 482 | case 0x5:
|
nkeynes@359 | 483 | { /* DMULU.L Rm, Rn */
|
nkeynes@359 | 484 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 485 | snprintf( buf, len, "DMULU.L R%d, R%d", Rm, Rn );
|
nkeynes@359 | 486 | }
|
nkeynes@359 | 487 | break;
|
nkeynes@359 | 488 | case 0x6:
|
nkeynes@359 | 489 | { /* CMP/HI Rm, Rn */
|
nkeynes@359 | 490 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 491 | snprintf( buf, len, "CMP/HI R%d, R%d", Rm, Rn );
|
nkeynes@359 | 492 | }
|
nkeynes@359 | 493 | break;
|
nkeynes@359 | 494 | case 0x7:
|
nkeynes@359 | 495 | { /* CMP/GT Rm, Rn */
|
nkeynes@359 | 496 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 497 | snprintf( buf, len, "CMP/GT R%d, R%d", Rm, Rn );
|
nkeynes@359 | 498 | }
|
nkeynes@359 | 499 | break;
|
nkeynes@359 | 500 | case 0x8:
|
nkeynes@359 | 501 | { /* SUB Rm, Rn */
|
nkeynes@359 | 502 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 503 | snprintf( buf, len, "SUB R%d, R%d", Rm, Rn );
|
nkeynes@359 | 504 | }
|
nkeynes@359 | 505 | break;
|
nkeynes@359 | 506 | case 0xA:
|
nkeynes@359 | 507 | { /* SUBC Rm, Rn */
|
nkeynes@359 | 508 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 509 | snprintf( buf, len, "SUBC R%d, R%d", Rm, Rn );
|
nkeynes@359 | 510 | }
|
nkeynes@359 | 511 | break;
|
nkeynes@359 | 512 | case 0xB:
|
nkeynes@359 | 513 | { /* SUBV Rm, Rn */
|
nkeynes@359 | 514 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 515 | snprintf( buf, len, "SUBV R%d, R%d", Rm, Rn );
|
nkeynes@359 | 516 | }
|
nkeynes@359 | 517 | break;
|
nkeynes@359 | 518 | case 0xC:
|
nkeynes@359 | 519 | { /* ADD Rm, Rn */
|
nkeynes@359 | 520 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 521 | snprintf( buf, len, "ADD R%d, R%d", Rm, Rn );
|
nkeynes@359 | 522 | }
|
nkeynes@359 | 523 | break;
|
nkeynes@359 | 524 | case 0xD:
|
nkeynes@359 | 525 | { /* DMULS.L Rm, Rn */
|
nkeynes@359 | 526 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 527 | snprintf( buf, len, "DMULS.L R%d, R%d", Rm, Rn );
|
nkeynes@359 | 528 | }
|
nkeynes@359 | 529 | break;
|
nkeynes@359 | 530 | case 0xE:
|
nkeynes@359 | 531 | { /* ADDC Rm, Rn */
|
nkeynes@359 | 532 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 533 | snprintf( buf, len, "ADDC R%d, R%d", Rm, Rn );
|
nkeynes@359 | 534 | }
|
nkeynes@359 | 535 | break;
|
nkeynes@359 | 536 | case 0xF:
|
nkeynes@359 | 537 | { /* ADDV Rm, Rn */
|
nkeynes@359 | 538 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 539 | snprintf( buf, len, "ADDV R%d, R%d", Rm, Rn );
|
nkeynes@359 | 540 | }
|
nkeynes@359 | 541 | break;
|
nkeynes@359 | 542 | default:
|
nkeynes@359 | 543 | UNDEF();
|
nkeynes@359 | 544 | break;
|
nkeynes@359 | 545 | }
|
nkeynes@359 | 546 | break;
|
nkeynes@359 | 547 | case 0x4:
|
nkeynes@359 | 548 | switch( ir&0xF ) {
|
nkeynes@359 | 549 | case 0x0:
|
nkeynes@359 | 550 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 551 | case 0x0:
|
nkeynes@359 | 552 | { /* SHLL Rn */
|
nkeynes@359 | 553 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 554 | snprintf( buf, len, "SHLL R%d", Rn );
|
nkeynes@359 | 555 | }
|
nkeynes@359 | 556 | break;
|
nkeynes@359 | 557 | case 0x1:
|
nkeynes@359 | 558 | { /* DT Rn */
|
nkeynes@359 | 559 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 560 | snprintf( buf, len, "DT R%d", Rn );
|
nkeynes@359 | 561 | }
|
nkeynes@359 | 562 | break;
|
nkeynes@359 | 563 | case 0x2:
|
nkeynes@359 | 564 | { /* SHAL Rn */
|
nkeynes@359 | 565 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 566 | snprintf( buf, len, "SHAL R%d", Rn );
|
nkeynes@359 | 567 | }
|
nkeynes@359 | 568 | break;
|
nkeynes@359 | 569 | default:
|
nkeynes@359 | 570 | UNDEF();
|
nkeynes@359 | 571 | break;
|
nkeynes@359 | 572 | }
|
nkeynes@359 | 573 | break;
|
nkeynes@359 | 574 | case 0x1:
|
nkeynes@359 | 575 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 576 | case 0x0:
|
nkeynes@359 | 577 | { /* SHLR Rn */
|
nkeynes@359 | 578 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 579 | snprintf( buf, len, "SHLR R%d", Rn );
|
nkeynes@359 | 580 | }
|
nkeynes@359 | 581 | break;
|
nkeynes@359 | 582 | case 0x1:
|
nkeynes@359 | 583 | { /* CMP/PZ Rn */
|
nkeynes@359 | 584 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 585 | snprintf( buf, len, "CMP/PZ R%d", Rn );
|
nkeynes@359 | 586 | }
|
nkeynes@359 | 587 | break;
|
nkeynes@359 | 588 | case 0x2:
|
nkeynes@359 | 589 | { /* SHAR Rn */
|
nkeynes@359 | 590 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 591 | snprintf( buf, len, "SHAR R%d", Rn );
|
nkeynes@359 | 592 | }
|
nkeynes@359 | 593 | break;
|
nkeynes@359 | 594 | default:
|
nkeynes@359 | 595 | UNDEF();
|
nkeynes@359 | 596 | break;
|
nkeynes@359 | 597 | }
|
nkeynes@359 | 598 | break;
|
nkeynes@359 | 599 | case 0x2:
|
nkeynes@359 | 600 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 601 | case 0x0:
|
nkeynes@359 | 602 | { /* STS.L MACH, @-Rn */
|
nkeynes@359 | 603 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 604 | snprintf( buf, len, "STS.L MACH, @-R%d", Rn );
|
nkeynes@359 | 605 | }
|
nkeynes@359 | 606 | break;
|
nkeynes@359 | 607 | case 0x1:
|
nkeynes@359 | 608 | { /* STS.L MACL, @-Rn */
|
nkeynes@359 | 609 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 610 | snprintf( buf, len, "STS.L MACL, @-R%d", Rn );
|
nkeynes@359 | 611 | }
|
nkeynes@359 | 612 | break;
|
nkeynes@359 | 613 | case 0x2:
|
nkeynes@359 | 614 | { /* STS.L PR, @-Rn */
|
nkeynes@359 | 615 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 616 | snprintf( buf, len, "STS.L PR, @-R%d", Rn );
|
nkeynes@359 | 617 | }
|
nkeynes@359 | 618 | break;
|
nkeynes@359 | 619 | case 0x3:
|
nkeynes@359 | 620 | { /* STC.L SGR, @-Rn */
|
nkeynes@359 | 621 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 622 | snprintf( buf, len, "STC.L SGR, @-R%d", Rn );
|
nkeynes@359 | 623 | }
|
nkeynes@359 | 624 | break;
|
nkeynes@359 | 625 | case 0x5:
|
nkeynes@359 | 626 | { /* STS.L FPUL, @-Rn */
|
nkeynes@359 | 627 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 628 | snprintf( buf, len, "STS.L FPUL, @-R%d", Rn );
|
nkeynes@359 | 629 | }
|
nkeynes@359 | 630 | break;
|
nkeynes@359 | 631 | case 0x6:
|
nkeynes@359 | 632 | { /* STS.L FPSCR, @-Rn */
|
nkeynes@359 | 633 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 634 | snprintf( buf, len, "STS.L FPSCR, @-R%d", Rn );
|
nkeynes@359 | 635 | }
|
nkeynes@359 | 636 | break;
|
nkeynes@359 | 637 | case 0xF:
|
nkeynes@359 | 638 | { /* STC.L DBR, @-Rn */
|
nkeynes@359 | 639 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 640 | snprintf( buf, len, "STC.L DBR, @-R%d", Rn );
|
nkeynes@359 | 641 | }
|
nkeynes@359 | 642 | break;
|
nkeynes@359 | 643 | default:
|
nkeynes@359 | 644 | UNDEF();
|
nkeynes@359 | 645 | break;
|
nkeynes@359 | 646 | }
|
nkeynes@359 | 647 | break;
|
nkeynes@359 | 648 | case 0x3:
|
nkeynes@359 | 649 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 650 | case 0x0:
|
nkeynes@359 | 651 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 652 | case 0x0:
|
nkeynes@359 | 653 | { /* STC.L SR, @-Rn */
|
nkeynes@359 | 654 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 655 | snprintf( buf, len, "STC.L SR, @-R%d", Rn );
|
nkeynes@359 | 656 | }
|
nkeynes@359 | 657 | break;
|
nkeynes@359 | 658 | case 0x1:
|
nkeynes@359 | 659 | { /* STC.L GBR, @-Rn */
|
nkeynes@359 | 660 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 661 | snprintf( buf, len, "STC.L GBR, @-R%d", Rn );
|
nkeynes@359 | 662 | }
|
nkeynes@359 | 663 | break;
|
nkeynes@359 | 664 | case 0x2:
|
nkeynes@359 | 665 | { /* STC.L VBR, @-Rn */
|
nkeynes@359 | 666 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 667 | snprintf( buf, len, "STC.L VBR, @-R%d", Rn );
|
nkeynes@359 | 668 | }
|
nkeynes@359 | 669 | break;
|
nkeynes@359 | 670 | case 0x3:
|
nkeynes@359 | 671 | { /* STC.L SSR, @-Rn */
|
nkeynes@359 | 672 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 673 | snprintf( buf, len, "STC.L SSR, @-R%d", Rn );
|
nkeynes@359 | 674 | }
|
nkeynes@359 | 675 | break;
|
nkeynes@359 | 676 | case 0x4:
|
nkeynes@359 | 677 | { /* STC.L SPC, @-Rn */
|
nkeynes@359 | 678 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 679 | snprintf( buf, len, "STC.L SPC, @-R%d", Rn );
|
nkeynes@359 | 680 | }
|
nkeynes@359 | 681 | break;
|
nkeynes@359 | 682 | default:
|
nkeynes@359 | 683 | UNDEF();
|
nkeynes@359 | 684 | break;
|
nkeynes@359 | 685 | }
|
nkeynes@359 | 686 | break;
|
nkeynes@359 | 687 | case 0x1:
|
nkeynes@359 | 688 | { /* STC.L Rm_BANK, @-Rn */
|
nkeynes@359 | 689 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
nkeynes@359 | 690 | snprintf( buf, len, "STC.L @-R%d_BANK, @-R%d", Rm_BANK, Rn );
|
nkeynes@359 | 691 | }
|
nkeynes@359 | 692 | break;
|
nkeynes@359 | 693 | }
|
nkeynes@359 | 694 | break;
|
nkeynes@359 | 695 | case 0x4:
|
nkeynes@359 | 696 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 697 | case 0x0:
|
nkeynes@359 | 698 | { /* ROTL Rn */
|
nkeynes@359 | 699 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 700 | snprintf( buf, len, "ROTL R%d", Rn );
|
nkeynes@359 | 701 | }
|
nkeynes@359 | 702 | break;
|
nkeynes@359 | 703 | case 0x2:
|
nkeynes@359 | 704 | { /* ROTCL Rn */
|
nkeynes@359 | 705 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 706 | snprintf( buf, len, "ROTCL R%d", Rn );
|
nkeynes@359 | 707 | }
|
nkeynes@359 | 708 | break;
|
nkeynes@359 | 709 | default:
|
nkeynes@359 | 710 | UNDEF();
|
nkeynes@359 | 711 | break;
|
nkeynes@359 | 712 | }
|
nkeynes@359 | 713 | break;
|
nkeynes@359 | 714 | case 0x5:
|
nkeynes@359 | 715 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 716 | case 0x0:
|
nkeynes@359 | 717 | { /* ROTR Rn */
|
nkeynes@359 | 718 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 719 | snprintf( buf, len, "ROTR R%d", Rn );
|
nkeynes@359 | 720 | }
|
nkeynes@359 | 721 | break;
|
nkeynes@359 | 722 | case 0x1:
|
nkeynes@359 | 723 | { /* CMP/PL Rn */
|
nkeynes@359 | 724 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 725 | snprintf( buf, len, "CMP/PL R%d", Rn );
|
nkeynes@359 | 726 | }
|
nkeynes@359 | 727 | break;
|
nkeynes@359 | 728 | case 0x2:
|
nkeynes@359 | 729 | { /* ROTCR Rn */
|
nkeynes@359 | 730 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 731 | snprintf( buf, len, "ROTCR R%d", Rn );
|
nkeynes@359 | 732 | }
|
nkeynes@359 | 733 | break;
|
nkeynes@359 | 734 | default:
|
nkeynes@359 | 735 | UNDEF();
|
nkeynes@359 | 736 | break;
|
nkeynes@359 | 737 | }
|
nkeynes@359 | 738 | break;
|
nkeynes@359 | 739 | case 0x6:
|
nkeynes@359 | 740 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 741 | case 0x0:
|
nkeynes@359 | 742 | { /* LDS.L @Rm+, MACH */
|
nkeynes@359 | 743 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 744 | snprintf( buf, len, "LDS.L @R%d+, MACH", Rm );
|
nkeynes@359 | 745 | }
|
nkeynes@359 | 746 | break;
|
nkeynes@359 | 747 | case 0x1:
|
nkeynes@359 | 748 | { /* LDS.L @Rm+, MACL */
|
nkeynes@359 | 749 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 750 | snprintf( buf, len, "LDS.L @R%d+, MACL", Rm );
|
nkeynes@359 | 751 | }
|
nkeynes@359 | 752 | break;
|
nkeynes@359 | 753 | case 0x2:
|
nkeynes@359 | 754 | { /* LDS.L @Rm+, PR */
|
nkeynes@359 | 755 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 756 | snprintf( buf, len, "LDS.L @R%d+, PR", Rm );
|
nkeynes@359 | 757 | }
|
nkeynes@359 | 758 | break;
|
nkeynes@359 | 759 | case 0x3:
|
nkeynes@359 | 760 | { /* LDC.L @Rm+, SGR */
|
nkeynes@359 | 761 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 762 | snprintf( buf, len, "LDC.L @R%d+, SGR", Rm );
|
nkeynes@359 | 763 | }
|
nkeynes@359 | 764 | break;
|
nkeynes@359 | 765 | case 0x5:
|
nkeynes@359 | 766 | { /* LDS.L @Rm+, FPUL */
|
nkeynes@359 | 767 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 768 | snprintf( buf, len, "LDS.L @R%d+, FPUL", Rm );
|
nkeynes@359 | 769 | }
|
nkeynes@359 | 770 | break;
|
nkeynes@359 | 771 | case 0x6:
|
nkeynes@359 | 772 | { /* LDS.L @Rm+, FPSCR */
|
nkeynes@359 | 773 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 774 | snprintf( buf, len, "LDS.L @R%d+, FPSCR", Rm );
|
nkeynes@359 | 775 | }
|
nkeynes@359 | 776 | break;
|
nkeynes@359 | 777 | case 0xF:
|
nkeynes@359 | 778 | { /* LDC.L @Rm+, DBR */
|
nkeynes@359 | 779 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 780 | snprintf( buf, len, "LDC.L @R%d+, DBR", Rm );
|
nkeynes@359 | 781 | }
|
nkeynes@359 | 782 | break;
|
nkeynes@359 | 783 | default:
|
nkeynes@359 | 784 | UNDEF();
|
nkeynes@359 | 785 | break;
|
nkeynes@359 | 786 | }
|
nkeynes@359 | 787 | break;
|
nkeynes@359 | 788 | case 0x7:
|
nkeynes@359 | 789 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 790 | case 0x0:
|
nkeynes@359 | 791 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 792 | case 0x0:
|
nkeynes@359 | 793 | { /* LDC.L @Rm+, SR */
|
nkeynes@359 | 794 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 795 | snprintf( buf, len, "LDC.L @R%d+, SR", Rm );
|
nkeynes@359 | 796 | }
|
nkeynes@359 | 797 | break;
|
nkeynes@359 | 798 | case 0x1:
|
nkeynes@359 | 799 | { /* LDC.L @Rm+, GBR */
|
nkeynes@359 | 800 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 801 | snprintf( buf, len, "LDC.L @R%d+, GBR", Rm );
|
nkeynes@359 | 802 | }
|
nkeynes@359 | 803 | break;
|
nkeynes@359 | 804 | case 0x2:
|
nkeynes@359 | 805 | { /* LDC.L @Rm+, VBR */
|
nkeynes@359 | 806 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 807 | snprintf( buf, len, "LDC.L @R%d+, VBR", Rm );
|
nkeynes@359 | 808 | }
|
nkeynes@359 | 809 | break;
|
nkeynes@359 | 810 | case 0x3:
|
nkeynes@359 | 811 | { /* LDC.L @Rm+, SSR */
|
nkeynes@359 | 812 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 813 | snprintf( buf, len, "LDC.L @R%d+, SSR", Rm );
|
nkeynes@359 | 814 | }
|
nkeynes@359 | 815 | break;
|
nkeynes@359 | 816 | case 0x4:
|
nkeynes@359 | 817 | { /* LDC.L @Rm+, SPC */
|
nkeynes@359 | 818 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 819 | snprintf( buf, len, "LDC.L @R%d+, SPC", Rm );
|
nkeynes@359 | 820 | }
|
nkeynes@359 | 821 | break;
|
nkeynes@359 | 822 | default:
|
nkeynes@359 | 823 | UNDEF();
|
nkeynes@359 | 824 | break;
|
nkeynes@359 | 825 | }
|
nkeynes@359 | 826 | break;
|
nkeynes@359 | 827 | case 0x1:
|
nkeynes@359 | 828 | { /* LDC.L @Rm+, Rn_BANK */
|
nkeynes@359 | 829 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
nkeynes@359 | 830 | snprintf( buf, len, "LDC.L @R%d+, @R%d+_BANK", Rm, Rn_BANK );
|
nkeynes@359 | 831 | }
|
nkeynes@359 | 832 | break;
|
nkeynes@359 | 833 | }
|
nkeynes@359 | 834 | break;
|
nkeynes@359 | 835 | case 0x8:
|
nkeynes@359 | 836 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 837 | case 0x0:
|
nkeynes@359 | 838 | { /* SHLL2 Rn */
|
nkeynes@359 | 839 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 840 | snprintf( buf, len, "SHLL2 R%d", Rn );
|
nkeynes@359 | 841 | }
|
nkeynes@359 | 842 | break;
|
nkeynes@359 | 843 | case 0x1:
|
nkeynes@359 | 844 | { /* SHLL8 Rn */
|
nkeynes@359 | 845 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 846 | snprintf( buf, len, "SHLL8 R%d", Rn );
|
nkeynes@359 | 847 | }
|
nkeynes@359 | 848 | break;
|
nkeynes@359 | 849 | case 0x2:
|
nkeynes@359 | 850 | { /* SHLL16 Rn */
|
nkeynes@359 | 851 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 852 | snprintf( buf, len, "SHLL16 R%d", Rn );
|
nkeynes@359 | 853 | }
|
nkeynes@359 | 854 | break;
|
nkeynes@359 | 855 | default:
|
nkeynes@359 | 856 | UNDEF();
|
nkeynes@359 | 857 | break;
|
nkeynes@359 | 858 | }
|
nkeynes@359 | 859 | break;
|
nkeynes@359 | 860 | case 0x9:
|
nkeynes@359 | 861 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 862 | case 0x0:
|
nkeynes@359 | 863 | { /* SHLR2 Rn */
|
nkeynes@359 | 864 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 865 | snprintf( buf, len, "SHLR2 R%d", Rn );
|
nkeynes@359 | 866 | }
|
nkeynes@359 | 867 | break;
|
nkeynes@359 | 868 | case 0x1:
|
nkeynes@359 | 869 | { /* SHLR8 Rn */
|
nkeynes@359 | 870 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 871 | snprintf( buf, len, "SHLR8 R%d", Rn );
|
nkeynes@359 | 872 | }
|
nkeynes@359 | 873 | break;
|
nkeynes@359 | 874 | case 0x2:
|
nkeynes@359 | 875 | { /* SHLR16 Rn */
|
nkeynes@359 | 876 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 877 | snprintf( buf, len, "SHLR16 R%d", Rn );
|
nkeynes@359 | 878 | }
|
nkeynes@359 | 879 | break;
|
nkeynes@359 | 880 | default:
|
nkeynes@359 | 881 | UNDEF();
|
nkeynes@359 | 882 | break;
|
nkeynes@359 | 883 | }
|
nkeynes@359 | 884 | break;
|
nkeynes@359 | 885 | case 0xA:
|
nkeynes@359 | 886 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 887 | case 0x0:
|
nkeynes@359 | 888 | { /* LDS Rm, MACH */
|
nkeynes@359 | 889 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 890 | snprintf( buf, len, "LDS R%d, MACH", Rm );
|
nkeynes@359 | 891 | }
|
nkeynes@359 | 892 | break;
|
nkeynes@359 | 893 | case 0x1:
|
nkeynes@359 | 894 | { /* LDS Rm, MACL */
|
nkeynes@359 | 895 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 896 | snprintf( buf, len, "LDS R%d, MACL", Rm );
|
nkeynes@359 | 897 | }
|
nkeynes@359 | 898 | break;
|
nkeynes@359 | 899 | case 0x2:
|
nkeynes@359 | 900 | { /* LDS Rm, PR */
|
nkeynes@359 | 901 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 902 | snprintf( buf, len, "LDS R%d, PR", Rm );
|
nkeynes@359 | 903 | }
|
nkeynes@359 | 904 | break;
|
nkeynes@359 | 905 | case 0x3:
|
nkeynes@359 | 906 | { /* LDC Rm, SGR */
|
nkeynes@359 | 907 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 908 | snprintf( buf, len, "LDC R%d, SGR", Rm );
|
nkeynes@359 | 909 | }
|
nkeynes@359 | 910 | break;
|
nkeynes@359 | 911 | case 0x5:
|
nkeynes@359 | 912 | { /* LDS Rm, FPUL */
|
nkeynes@359 | 913 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 914 | snprintf( buf, len, "LDS R%d, FPUL", Rm );
|
nkeynes@359 | 915 | }
|
nkeynes@359 | 916 | break;
|
nkeynes@359 | 917 | case 0x6:
|
nkeynes@359 | 918 | { /* LDS Rm, FPSCR */
|
nkeynes@359 | 919 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 920 | snprintf( buf, len, "LDS R%d, FPSCR", Rm );
|
nkeynes@359 | 921 | }
|
nkeynes@359 | 922 | break;
|
nkeynes@359 | 923 | case 0xF:
|
nkeynes@359 | 924 | { /* LDC Rm, DBR */
|
nkeynes@359 | 925 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 926 | snprintf( buf, len, "LDC R%d, DBR", Rm );
|
nkeynes@359 | 927 | }
|
nkeynes@359 | 928 | break;
|
nkeynes@359 | 929 | default:
|
nkeynes@359 | 930 | UNDEF();
|
nkeynes@359 | 931 | break;
|
nkeynes@359 | 932 | }
|
nkeynes@359 | 933 | break;
|
nkeynes@359 | 934 | case 0xB:
|
nkeynes@359 | 935 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 936 | case 0x0:
|
nkeynes@359 | 937 | { /* JSR @Rn */
|
nkeynes@359 | 938 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 939 | snprintf( buf, len, "JSR @R%d", Rn );
|
nkeynes@359 | 940 | }
|
nkeynes@359 | 941 | break;
|
nkeynes@359 | 942 | case 0x1:
|
nkeynes@359 | 943 | { /* TAS.B @Rn */
|
nkeynes@359 | 944 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 945 | snprintf( buf, len, "TAS.B R%d", Rn );
|
nkeynes@359 | 946 | }
|
nkeynes@359 | 947 | break;
|
nkeynes@359 | 948 | case 0x2:
|
nkeynes@359 | 949 | { /* JMP @Rn */
|
nkeynes@359 | 950 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 951 | snprintf( buf, len, "JMP @R%d", Rn );
|
nkeynes@359 | 952 | }
|
nkeynes@359 | 953 | break;
|
nkeynes@359 | 954 | default:
|
nkeynes@359 | 955 | UNDEF();
|
nkeynes@359 | 956 | break;
|
nkeynes@359 | 957 | }
|
nkeynes@359 | 958 | break;
|
nkeynes@359 | 959 | case 0xC:
|
nkeynes@359 | 960 | { /* SHAD Rm, Rn */
|
nkeynes@359 | 961 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 962 | snprintf( buf, len, "SHAD R%d, R%d", Rm, Rn );
|
nkeynes@359 | 963 | }
|
nkeynes@359 | 964 | break;
|
nkeynes@359 | 965 | case 0xD:
|
nkeynes@359 | 966 | { /* SHLD Rm, Rn */
|
nkeynes@359 | 967 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 968 | snprintf( buf, len, "SHLD R%d, R%d", Rm, Rn );
|
nkeynes@359 | 969 | }
|
nkeynes@359 | 970 | break;
|
nkeynes@359 | 971 | case 0xE:
|
nkeynes@359 | 972 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 973 | case 0x0:
|
nkeynes@359 | 974 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 975 | case 0x0:
|
nkeynes@359 | 976 | { /* LDC Rm, SR */
|
nkeynes@359 | 977 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 978 | snprintf( buf, len, "LDC R%d, SR", Rm );
|
nkeynes@359 | 979 | }
|
nkeynes@359 | 980 | break;
|
nkeynes@359 | 981 | case 0x1:
|
nkeynes@359 | 982 | { /* LDC Rm, GBR */
|
nkeynes@359 | 983 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 984 | snprintf( buf, len, "LDC R%d, GBR", Rm );
|
nkeynes@359 | 985 | }
|
nkeynes@359 | 986 | break;
|
nkeynes@359 | 987 | case 0x2:
|
nkeynes@359 | 988 | { /* LDC Rm, VBR */
|
nkeynes@359 | 989 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 990 | snprintf( buf, len, "LDC R%d, VBR", Rm );
|
nkeynes@359 | 991 | }
|
nkeynes@359 | 992 | break;
|
nkeynes@359 | 993 | case 0x3:
|
nkeynes@359 | 994 | { /* LDC Rm, SSR */
|
nkeynes@359 | 995 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 996 | snprintf( buf, len, "LDC R%d, SSR", Rm );
|
nkeynes@359 | 997 | }
|
nkeynes@359 | 998 | break;
|
nkeynes@359 | 999 | case 0x4:
|
nkeynes@359 | 1000 | { /* LDC Rm, SPC */
|
nkeynes@359 | 1001 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1002 | snprintf( buf, len, "LDC R%d, SPC", Rm );
|
nkeynes@359 | 1003 | }
|
nkeynes@359 | 1004 | break;
|
nkeynes@359 | 1005 | default:
|
nkeynes@359 | 1006 | UNDEF();
|
nkeynes@359 | 1007 | break;
|
nkeynes@359 | 1008 | }
|
nkeynes@359 | 1009 | break;
|
nkeynes@359 | 1010 | case 0x1:
|
nkeynes@359 | 1011 | { /* LDC Rm, Rn_BANK */
|
nkeynes@359 | 1012 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
nkeynes@359 | 1013 | snprintf( buf, len, "LDC R%d, R%d_BANK", Rm, Rn_BANK );
|
nkeynes@359 | 1014 | }
|
nkeynes@359 | 1015 | break;
|
nkeynes@359 | 1016 | }
|
nkeynes@359 | 1017 | break;
|
nkeynes@359 | 1018 | case 0xF:
|
nkeynes@359 | 1019 | { /* MAC.W @Rm+, @Rn+ */
|
nkeynes@359 | 1020 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1021 | snprintf( buf, len, "MAC.W @R%d+, @R%d+", Rm, Rn );
|
nkeynes@359 | 1022 | }
|
nkeynes@359 | 1023 | break;
|
nkeynes@359 | 1024 | }
|
nkeynes@359 | 1025 | break;
|
nkeynes@359 | 1026 | case 0x5:
|
nkeynes@359 | 1027 | { /* MOV.L @(disp, Rm), Rn */
|
nkeynes@359 | 1028 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
nkeynes@359 | 1029 | snprintf( buf, len, "MOV.L @(%d, R%d), @R%d", disp, Rm, Rn );
|
nkeynes@359 | 1030 | }
|
nkeynes@359 | 1031 | break;
|
nkeynes@359 | 1032 | case 0x6:
|
nkeynes@359 | 1033 | switch( ir&0xF ) {
|
nkeynes@359 | 1034 | case 0x0:
|
nkeynes@359 | 1035 | { /* MOV.B @Rm, Rn */
|
nkeynes@359 | 1036 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1037 | snprintf( buf, len, "MOV.B @R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1038 | }
|
nkeynes@359 | 1039 | break;
|
nkeynes@359 | 1040 | case 0x1:
|
nkeynes@359 | 1041 | { /* MOV.W @Rm, Rn */
|
nkeynes@359 | 1042 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1043 | snprintf( buf, len, "MOV.W @R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1044 | }
|
nkeynes@359 | 1045 | break;
|
nkeynes@359 | 1046 | case 0x2:
|
nkeynes@359 | 1047 | { /* MOV.L @Rm, Rn */
|
nkeynes@359 | 1048 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1049 | snprintf( buf, len, "MOV.L @R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1050 | }
|
nkeynes@359 | 1051 | break;
|
nkeynes@359 | 1052 | case 0x3:
|
nkeynes@359 | 1053 | { /* MOV Rm, Rn */
|
nkeynes@359 | 1054 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1055 | snprintf( buf, len, "MOV R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1056 | }
|
nkeynes@359 | 1057 | break;
|
nkeynes@359 | 1058 | case 0x4:
|
nkeynes@359 | 1059 | { /* MOV.B @Rm+, Rn */
|
nkeynes@359 | 1060 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1061 | snprintf( buf, len, "MOV.B @R%d+, R%d", Rm, Rn );
|
nkeynes@359 | 1062 | }
|
nkeynes@359 | 1063 | break;
|
nkeynes@359 | 1064 | case 0x5:
|
nkeynes@359 | 1065 | { /* MOV.W @Rm+, Rn */
|
nkeynes@359 | 1066 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1067 | snprintf( buf, len, "MOV.W @R%d+, R%d", Rm, Rn );
|
nkeynes@359 | 1068 | }
|
nkeynes@359 | 1069 | break;
|
nkeynes@359 | 1070 | case 0x6:
|
nkeynes@359 | 1071 | { /* MOV.L @Rm+, Rn */
|
nkeynes@359 | 1072 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1073 | snprintf( buf, len, "MOV.L @R%d+, R%d", Rm, Rn );
|
nkeynes@359 | 1074 | }
|
nkeynes@359 | 1075 | break;
|
nkeynes@359 | 1076 | case 0x7:
|
nkeynes@359 | 1077 | { /* NOT Rm, Rn */
|
nkeynes@359 | 1078 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1079 | snprintf( buf, len, "NOT R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1080 | }
|
nkeynes@359 | 1081 | break;
|
nkeynes@359 | 1082 | case 0x8:
|
nkeynes@359 | 1083 | { /* SWAP.B Rm, Rn */
|
nkeynes@359 | 1084 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1085 | snprintf( buf, len, "SWAP.B R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1086 | }
|
nkeynes@359 | 1087 | break;
|
nkeynes@359 | 1088 | case 0x9:
|
nkeynes@359 | 1089 | { /* SWAP.W Rm, Rn */
|
nkeynes@359 | 1090 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1091 | snprintf( buf, len, "SWAP.W R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1092 | }
|
nkeynes@359 | 1093 | break;
|
nkeynes@359 | 1094 | case 0xA:
|
nkeynes@359 | 1095 | { /* NEGC Rm, Rn */
|
nkeynes@359 | 1096 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1097 | snprintf( buf, len, "NEGC R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1098 | }
|
nkeynes@359 | 1099 | break;
|
nkeynes@359 | 1100 | case 0xB:
|
nkeynes@359 | 1101 | { /* NEG Rm, Rn */
|
nkeynes@359 | 1102 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1103 | snprintf( buf, len, "NEG R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1104 | }
|
nkeynes@359 | 1105 | break;
|
nkeynes@359 | 1106 | case 0xC:
|
nkeynes@359 | 1107 | { /* EXTU.B Rm, Rn */
|
nkeynes@359 | 1108 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1109 | snprintf( buf, len, "EXTU.B R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1110 | }
|
nkeynes@359 | 1111 | break;
|
nkeynes@359 | 1112 | case 0xD:
|
nkeynes@359 | 1113 | { /* EXTU.W Rm, Rn */
|
nkeynes@359 | 1114 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1115 | snprintf( buf, len, "EXTU.W R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1116 | }
|
nkeynes@359 | 1117 | break;
|
nkeynes@359 | 1118 | case 0xE:
|
nkeynes@359 | 1119 | { /* EXTS.B Rm, Rn */
|
nkeynes@359 | 1120 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1121 | snprintf( buf, len, "EXTS.B R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1122 | }
|
nkeynes@359 | 1123 | break;
|
nkeynes@359 | 1124 | case 0xF:
|
nkeynes@359 | 1125 | { /* EXTS.W Rm, Rn */
|
nkeynes@359 | 1126 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1127 | snprintf( buf, len, "EXTS.W R%d, R%d", Rm, Rn );
|
nkeynes@359 | 1128 | }
|
nkeynes@359 | 1129 | break;
|
nkeynes@359 | 1130 | }
|
nkeynes@359 | 1131 | break;
|
nkeynes@359 | 1132 | case 0x7:
|
nkeynes@359 | 1133 | { /* ADD #imm, Rn */
|
nkeynes@359 | 1134 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 1135 | snprintf( buf, len, "ADD #%d, R%d", imm, Rn );
|
nkeynes@359 | 1136 | }
|
nkeynes@359 | 1137 | break;
|
nkeynes@359 | 1138 | case 0x8:
|
nkeynes@359 | 1139 | switch( (ir&0xF00) >> 8 ) {
|
nkeynes@359 | 1140 | case 0x0:
|
nkeynes@359 | 1141 | { /* MOV.B R0, @(disp, Rn) */
|
nkeynes@359 | 1142 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
nkeynes@359 | 1143 | snprintf( buf, len, "MOV.B R0, @(%d, R%d)", disp, Rn );
|
nkeynes@359 | 1144 | }
|
nkeynes@359 | 1145 | break;
|
nkeynes@359 | 1146 | case 0x1:
|
nkeynes@359 | 1147 | { /* MOV.W R0, @(disp, Rn) */
|
nkeynes@359 | 1148 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
nkeynes@430 | 1149 | snprintf( buf, len, "MOV.W R0, @(%d, R%d)", disp, Rn );
|
nkeynes@359 | 1150 | }
|
nkeynes@359 | 1151 | break;
|
nkeynes@359 | 1152 | case 0x4:
|
nkeynes@359 | 1153 | { /* MOV.B @(disp, Rm), R0 */
|
nkeynes@359 | 1154 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
nkeynes@359 | 1155 | snprintf( buf, len, "MOV.B @(%d, R%d), R0", disp, Rm );
|
nkeynes@359 | 1156 | }
|
nkeynes@359 | 1157 | break;
|
nkeynes@359 | 1158 | case 0x5:
|
nkeynes@359 | 1159 | { /* MOV.W @(disp, Rm), R0 */
|
nkeynes@359 | 1160 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
nkeynes@359 | 1161 | snprintf( buf, len, "MOV.W @(%d, R%d), R0", disp, Rm );
|
nkeynes@359 | 1162 | }
|
nkeynes@359 | 1163 | break;
|
nkeynes@359 | 1164 | case 0x8:
|
nkeynes@359 | 1165 | { /* CMP/EQ #imm, R0 */
|
nkeynes@359 | 1166 | int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 1167 | snprintf( buf, len, "CMP/EQ #%d, R0", imm );
|
nkeynes@359 | 1168 | }
|
nkeynes@359 | 1169 | break;
|
nkeynes@359 | 1170 | case 0x9:
|
nkeynes@359 | 1171 | { /* BT disp */
|
nkeynes@359 | 1172 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@359 | 1173 | snprintf( buf, len, "BT $%xh", disp+pc+4 );
|
nkeynes@359 | 1174 | }
|
nkeynes@359 | 1175 | break;
|
nkeynes@359 | 1176 | case 0xB:
|
nkeynes@359 | 1177 | { /* BF disp */
|
nkeynes@359 | 1178 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@359 | 1179 | snprintf( buf, len, "BF $%xh", disp+pc+4 );
|
nkeynes@359 | 1180 | }
|
nkeynes@359 | 1181 | break;
|
nkeynes@359 | 1182 | case 0xD:
|
nkeynes@359 | 1183 | { /* BT/S disp */
|
nkeynes@359 | 1184 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@359 | 1185 | snprintf( buf, len, "BT/S $%xh", disp+pc+4 );
|
nkeynes@359 | 1186 | }
|
nkeynes@359 | 1187 | break;
|
nkeynes@359 | 1188 | case 0xF:
|
nkeynes@359 | 1189 | { /* BF/S disp */
|
nkeynes@359 | 1190 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@359 | 1191 | snprintf( buf, len, "BF/S $%xh", disp+pc+4 );
|
nkeynes@359 | 1192 | }
|
nkeynes@359 | 1193 | break;
|
nkeynes@359 | 1194 | default:
|
nkeynes@359 | 1195 | UNDEF();
|
nkeynes@359 | 1196 | break;
|
nkeynes@359 | 1197 | }
|
nkeynes@359 | 1198 | break;
|
nkeynes@359 | 1199 | case 0x9:
|
nkeynes@359 | 1200 | { /* MOV.W @(disp, PC), Rn */
|
nkeynes@359 | 1201 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@359 | 1202 | snprintf( buf, len, "MOV.W @($%xh), R%d ; <- #%08x", disp + pc + 4, Rn, sh4_read_word(disp+pc+4) );
|
nkeynes@359 | 1203 | }
|
nkeynes@359 | 1204 | break;
|
nkeynes@359 | 1205 | case 0xA:
|
nkeynes@359 | 1206 | { /* BRA disp */
|
nkeynes@359 | 1207 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
nkeynes@359 | 1208 | snprintf( buf, len, "BRA $%xh", disp+pc+4 );
|
nkeynes@359 | 1209 | }
|
nkeynes@359 | 1210 | break;
|
nkeynes@359 | 1211 | case 0xB:
|
nkeynes@359 | 1212 | { /* BSR disp */
|
nkeynes@359 | 1213 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
nkeynes@359 | 1214 | snprintf( buf, len, "BSR $%xh", disp+pc+4 );
|
nkeynes@359 | 1215 | }
|
nkeynes@359 | 1216 | break;
|
nkeynes@359 | 1217 | case 0xC:
|
nkeynes@359 | 1218 | switch( (ir&0xF00) >> 8 ) {
|
nkeynes@359 | 1219 | case 0x0:
|
nkeynes@359 | 1220 | { /* MOV.B R0, @(disp, GBR) */
|
nkeynes@359 | 1221 | uint32_t disp = (ir&0xFF);
|
nkeynes@359 | 1222 | snprintf( buf, len, "MOV.B R0, @(%d, GBR)", disp );
|
nkeynes@359 | 1223 | }
|
nkeynes@359 | 1224 | break;
|
nkeynes@359 | 1225 | case 0x1:
|
nkeynes@359 | 1226 | { /* MOV.W R0, @(disp, GBR) */
|
nkeynes@359 | 1227 | uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@359 | 1228 | snprintf( buf, len, "MOV.W R0, @(%d, GBR)", disp);
|
nkeynes@359 | 1229 | }
|
nkeynes@359 | 1230 | break;
|
nkeynes@359 | 1231 | case 0x2:
|
nkeynes@359 | 1232 | { /* MOV.L R0, @(disp, GBR) */
|
nkeynes@359 | 1233 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@359 | 1234 | snprintf( buf, len, "MOV.L R0, @(%d, GBR)", disp );
|
nkeynes@359 | 1235 | }
|
nkeynes@359 | 1236 | break;
|
nkeynes@359 | 1237 | case 0x3:
|
nkeynes@359 | 1238 | { /* TRAPA #imm */
|
nkeynes@359 | 1239 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1240 | snprintf( buf, len, "TRAPA #%d", imm );
|
nkeynes@359 | 1241 | }
|
nkeynes@359 | 1242 | break;
|
nkeynes@359 | 1243 | case 0x4:
|
nkeynes@359 | 1244 | { /* MOV.B @(disp, GBR), R0 */
|
nkeynes@359 | 1245 | uint32_t disp = (ir&0xFF);
|
nkeynes@359 | 1246 | snprintf( buf, len, "MOV.B @(%d, GBR), R0", disp );
|
nkeynes@359 | 1247 | }
|
nkeynes@359 | 1248 | break;
|
nkeynes@359 | 1249 | case 0x5:
|
nkeynes@359 | 1250 | { /* MOV.W @(disp, GBR), R0 */
|
nkeynes@359 | 1251 | uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@359 | 1252 | snprintf( buf, len, "MOV.W @(%d, GBR), R0", disp );
|
nkeynes@359 | 1253 | }
|
nkeynes@359 | 1254 | break;
|
nkeynes@359 | 1255 | case 0x6:
|
nkeynes@359 | 1256 | { /* MOV.L @(disp, GBR), R0 */
|
nkeynes@359 | 1257 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@359 | 1258 | snprintf( buf, len, "MOV.L @(%d, GBR), R0",disp );
|
nkeynes@359 | 1259 | }
|
nkeynes@359 | 1260 | break;
|
nkeynes@359 | 1261 | case 0x7:
|
nkeynes@359 | 1262 | { /* MOVA @(disp, PC), R0 */
|
nkeynes@359 | 1263 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@359 | 1264 | snprintf( buf, len, "MOVA @($%xh), R0", disp + (pc&0xFFFFFFFC) + 4 );
|
nkeynes@359 | 1265 | }
|
nkeynes@359 | 1266 | break;
|
nkeynes@359 | 1267 | case 0x8:
|
nkeynes@359 | 1268 | { /* TST #imm, R0 */
|
nkeynes@359 | 1269 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1270 | snprintf( buf, len, "TST #%d, R0", imm );
|
nkeynes@359 | 1271 | }
|
nkeynes@359 | 1272 | break;
|
nkeynes@359 | 1273 | case 0x9:
|
nkeynes@359 | 1274 | { /* AND #imm, R0 */
|
nkeynes@359 | 1275 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1276 | snprintf( buf, len, "ADD #%d, R0", imm );
|
nkeynes@359 | 1277 | }
|
nkeynes@359 | 1278 | break;
|
nkeynes@359 | 1279 | case 0xA:
|
nkeynes@359 | 1280 | { /* XOR #imm, R0 */
|
nkeynes@359 | 1281 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1282 | snprintf( buf, len, "XOR #%d, R0", imm );
|
nkeynes@359 | 1283 | }
|
nkeynes@359 | 1284 | break;
|
nkeynes@359 | 1285 | case 0xB:
|
nkeynes@359 | 1286 | { /* OR #imm, R0 */
|
nkeynes@359 | 1287 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1288 | snprintf( buf, len, "OR #%d, R0", imm );
|
nkeynes@359 | 1289 | }
|
nkeynes@359 | 1290 | break;
|
nkeynes@359 | 1291 | case 0xC:
|
nkeynes@359 | 1292 | { /* TST.B #imm, @(R0, GBR) */
|
nkeynes@359 | 1293 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1294 | snprintf( buf, len, "TST.B #%d, @(R0, GBR)", imm );
|
nkeynes@359 | 1295 | }
|
nkeynes@359 | 1296 | break;
|
nkeynes@359 | 1297 | case 0xD:
|
nkeynes@359 | 1298 | { /* AND.B #imm, @(R0, GBR) */
|
nkeynes@359 | 1299 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1300 | snprintf( buf, len, "AND.B #%d, @(R0, GBR)", imm );
|
nkeynes@359 | 1301 | }
|
nkeynes@359 | 1302 | break;
|
nkeynes@359 | 1303 | case 0xE:
|
nkeynes@359 | 1304 | { /* XOR.B #imm, @(R0, GBR) */
|
nkeynes@359 | 1305 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1306 | snprintf( buf, len, "XOR.B #%d, @(R0, GBR)", imm );
|
nkeynes@359 | 1307 | }
|
nkeynes@359 | 1308 | break;
|
nkeynes@359 | 1309 | case 0xF:
|
nkeynes@359 | 1310 | { /* OR.B #imm, @(R0, GBR) */
|
nkeynes@359 | 1311 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 1312 | snprintf( buf, len, "OR.B #%d, @(R0, GBR)", imm );
|
nkeynes@359 | 1313 | }
|
nkeynes@359 | 1314 | break;
|
nkeynes@359 | 1315 | }
|
nkeynes@359 | 1316 | break;
|
nkeynes@359 | 1317 | case 0xD:
|
nkeynes@359 | 1318 | { /* MOV.L @(disp, PC), Rn */
|
nkeynes@359 | 1319 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@359 | 1320 | snprintf( buf, len, "MOV.L @($%xh), R%d ; <- #%08x", disp + (pc & 0xFFFFFFFC) + 4, Rn, sh4_read_long(disp+(pc&0xFFFFFFFC)+4) );
|
nkeynes@359 | 1321 | }
|
nkeynes@359 | 1322 | break;
|
nkeynes@359 | 1323 | case 0xE:
|
nkeynes@359 | 1324 | { /* MOV #imm, Rn */
|
nkeynes@359 | 1325 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 1326 | snprintf( buf, len, "MOV #%d, R%d", imm, Rn );
|
nkeynes@359 | 1327 | }
|
nkeynes@359 | 1328 | break;
|
nkeynes@359 | 1329 | case 0xF:
|
nkeynes@359 | 1330 | switch( ir&0xF ) {
|
nkeynes@359 | 1331 | case 0x0:
|
nkeynes@359 | 1332 | { /* FADD FRm, FRn */
|
nkeynes@359 | 1333 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1334 | snprintf( buf, len, "FADD FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1335 | }
|
nkeynes@359 | 1336 | break;
|
nkeynes@359 | 1337 | case 0x1:
|
nkeynes@359 | 1338 | { /* FSUB FRm, FRn */
|
nkeynes@359 | 1339 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@430 | 1340 | snprintf( buf, len, "FSUB FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1341 | }
|
nkeynes@359 | 1342 | break;
|
nkeynes@359 | 1343 | case 0x2:
|
nkeynes@359 | 1344 | { /* FMUL FRm, FRn */
|
nkeynes@359 | 1345 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@430 | 1346 | snprintf( buf, len, "FMUL FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1347 | }
|
nkeynes@359 | 1348 | break;
|
nkeynes@359 | 1349 | case 0x3:
|
nkeynes@359 | 1350 | { /* FDIV FRm, FRn */
|
nkeynes@359 | 1351 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1352 | snprintf( buf, len, "FDIV FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1353 | }
|
nkeynes@359 | 1354 | break;
|
nkeynes@359 | 1355 | case 0x4:
|
nkeynes@359 | 1356 | { /* FCMP/EQ FRm, FRn */
|
nkeynes@359 | 1357 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1358 | snprintf( buf, len, "FCMP/EQ FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1359 | }
|
nkeynes@359 | 1360 | break;
|
nkeynes@359 | 1361 | case 0x5:
|
nkeynes@359 | 1362 | { /* FCMP/GT FRm, FRn */
|
nkeynes@359 | 1363 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1364 | snprintf( buf, len, "FCMP/QT FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1365 | }
|
nkeynes@359 | 1366 | break;
|
nkeynes@359 | 1367 | case 0x6:
|
nkeynes@359 | 1368 | { /* FMOV @(R0, Rm), FRn */
|
nkeynes@359 | 1369 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1370 | snprintf( buf, len, "FMOV @(R0, R%d), FR%d", Rm, FRn );
|
nkeynes@359 | 1371 | }
|
nkeynes@359 | 1372 | break;
|
nkeynes@359 | 1373 | case 0x7:
|
nkeynes@359 | 1374 | { /* FMOV FRm, @(R0, Rn) */
|
nkeynes@359 | 1375 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1376 | snprintf( buf, len, "FMOV FR%d, @(R0, R%d)", FRm, Rn );
|
nkeynes@359 | 1377 | }
|
nkeynes@359 | 1378 | break;
|
nkeynes@359 | 1379 | case 0x8:
|
nkeynes@359 | 1380 | { /* FMOV @Rm, FRn */
|
nkeynes@359 | 1381 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1382 | snprintf( buf, len, "FMOV @R%d, FR%d", Rm, FRn );
|
nkeynes@359 | 1383 | }
|
nkeynes@359 | 1384 | break;
|
nkeynes@359 | 1385 | case 0x9:
|
nkeynes@359 | 1386 | { /* FMOV @Rm+, FRn */
|
nkeynes@359 | 1387 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1388 | snprintf( buf, len, "FMOV @R%d+, FR%d", Rm, FRn );
|
nkeynes@359 | 1389 | }
|
nkeynes@359 | 1390 | break;
|
nkeynes@359 | 1391 | case 0xA:
|
nkeynes@359 | 1392 | { /* FMOV FRm, @Rn */
|
nkeynes@359 | 1393 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1394 | snprintf( buf, len, "FMOV FR%d, @R%d", FRm, Rn );
|
nkeynes@359 | 1395 | }
|
nkeynes@359 | 1396 | break;
|
nkeynes@359 | 1397 | case 0xB:
|
nkeynes@359 | 1398 | { /* FMOV FRm, @-Rn */
|
nkeynes@359 | 1399 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1400 | snprintf( buf, len, "FMOV FR%d, @-R%d", FRm, Rn );
|
nkeynes@359 | 1401 | }
|
nkeynes@359 | 1402 | break;
|
nkeynes@359 | 1403 | case 0xC:
|
nkeynes@359 | 1404 | { /* FMOV FRm, FRn */
|
nkeynes@359 | 1405 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1406 | snprintf( buf, len, "FMOV FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1407 | }
|
nkeynes@359 | 1408 | break;
|
nkeynes@359 | 1409 | case 0xD:
|
nkeynes@359 | 1410 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1411 | case 0x0:
|
nkeynes@359 | 1412 | { /* FSTS FPUL, FRn */
|
nkeynes@359 | 1413 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1414 | snprintf( buf, len, "FSTS FPUL, FR%d", FRn );
|
nkeynes@359 | 1415 | }
|
nkeynes@359 | 1416 | break;
|
nkeynes@359 | 1417 | case 0x1:
|
nkeynes@359 | 1418 | { /* FLDS FRm, FPUL */
|
nkeynes@359 | 1419 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@359 | 1420 | snprintf( buf, len, "FLDS FR%d, FPUL", FRm );
|
nkeynes@359 | 1421 | }
|
nkeynes@359 | 1422 | break;
|
nkeynes@359 | 1423 | case 0x2:
|
nkeynes@359 | 1424 | { /* FLOAT FPUL, FRn */
|
nkeynes@359 | 1425 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1426 | snprintf( buf, len, "FLOAT FPUL, FR%d", FRn );
|
nkeynes@359 | 1427 | }
|
nkeynes@359 | 1428 | break;
|
nkeynes@359 | 1429 | case 0x3:
|
nkeynes@359 | 1430 | { /* FTRC FRm, FPUL */
|
nkeynes@359 | 1431 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@359 | 1432 | snprintf( buf, len, "FTRC FR%d, FPUL", FRm );
|
nkeynes@359 | 1433 | }
|
nkeynes@359 | 1434 | break;
|
nkeynes@359 | 1435 | case 0x4:
|
nkeynes@359 | 1436 | { /* FNEG FRn */
|
nkeynes@359 | 1437 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1438 | snprintf( buf, len, "FNEG FR%d", FRn );
|
nkeynes@359 | 1439 | }
|
nkeynes@359 | 1440 | break;
|
nkeynes@359 | 1441 | case 0x5:
|
nkeynes@359 | 1442 | { /* FABS FRn */
|
nkeynes@359 | 1443 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1444 | snprintf( buf, len, "FABS FR%d", FRn );
|
nkeynes@359 | 1445 | }
|
nkeynes@359 | 1446 | break;
|
nkeynes@359 | 1447 | case 0x6:
|
nkeynes@359 | 1448 | { /* FSQRT FRn */
|
nkeynes@359 | 1449 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1450 | snprintf( buf, len, "FSQRT FR%d", FRn );
|
nkeynes@359 | 1451 | }
|
nkeynes@359 | 1452 | break;
|
nkeynes@359 | 1453 | case 0x7:
|
nkeynes@359 | 1454 | { /* FSRRA FRn */
|
nkeynes@359 | 1455 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1456 | snprintf( buf, len, "FSRRA FR%d", FRn );
|
nkeynes@359 | 1457 | }
|
nkeynes@359 | 1458 | break;
|
nkeynes@359 | 1459 | case 0x8:
|
nkeynes@359 | 1460 | { /* FLDI0 FRn */
|
nkeynes@359 | 1461 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1462 | snprintf( buf, len, "FLDI0 FR%d", FRn );
|
nkeynes@359 | 1463 | }
|
nkeynes@359 | 1464 | break;
|
nkeynes@359 | 1465 | case 0x9:
|
nkeynes@359 | 1466 | { /* FLDI1 FRn */
|
nkeynes@359 | 1467 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1468 | snprintf( buf, len, "FLDI1 FR%d", FRn );
|
nkeynes@359 | 1469 | }
|
nkeynes@359 | 1470 | break;
|
nkeynes@359 | 1471 | case 0xA:
|
nkeynes@359 | 1472 | { /* FCNVSD FPUL, FRn */
|
nkeynes@359 | 1473 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@359 | 1474 | snprintf( buf, len, "FCNVSD FPUL, FR%d", FRn );
|
nkeynes@359 | 1475 | }
|
nkeynes@359 | 1476 | break;
|
nkeynes@359 | 1477 | case 0xB:
|
nkeynes@359 | 1478 | { /* FCNVDS FRm, FPUL */
|
nkeynes@359 | 1479 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@359 | 1480 | snprintf( buf, len, "FCNVDS FR%d, FPUL", FRm );
|
nkeynes@359 | 1481 | }
|
nkeynes@359 | 1482 | break;
|
nkeynes@359 | 1483 | case 0xE:
|
nkeynes@359 | 1484 | { /* FIPR FVm, FVn */
|
nkeynes@359 | 1485 | uint32_t FVn = ((ir>>10)&0x3); uint32_t FVm = ((ir>>8)&0x3);
|
nkeynes@359 | 1486 | snprintf( buf, len, "FIPR FV%d, FV%d", FVm, FVn );
|
nkeynes@359 | 1487 | }
|
nkeynes@359 | 1488 | break;
|
nkeynes@359 | 1489 | case 0xF:
|
nkeynes@359 | 1490 | switch( (ir&0x100) >> 8 ) {
|
nkeynes@359 | 1491 | case 0x0:
|
nkeynes@359 | 1492 | { /* FSCA FPUL, FRn */
|
nkeynes@359 | 1493 | uint32_t FRn = ((ir>>9)&0x7)<<1;
|
nkeynes@359 | 1494 | snprintf( buf, len, "FSCA FPUL, FR%d", FRn );
|
nkeynes@359 | 1495 | }
|
nkeynes@359 | 1496 | break;
|
nkeynes@359 | 1497 | case 0x1:
|
nkeynes@359 | 1498 | switch( (ir&0x200) >> 9 ) {
|
nkeynes@359 | 1499 | case 0x0:
|
nkeynes@359 | 1500 | { /* FTRV XMTRX, FVn */
|
nkeynes@359 | 1501 | uint32_t FVn = ((ir>>10)&0x3);
|
nkeynes@359 | 1502 | snprintf( buf, len, "FTRV XMTRX, FV%d", FVn );
|
nkeynes@359 | 1503 | }
|
nkeynes@359 | 1504 | break;
|
nkeynes@359 | 1505 | case 0x1:
|
nkeynes@359 | 1506 | switch( (ir&0xC00) >> 10 ) {
|
nkeynes@359 | 1507 | case 0x0:
|
nkeynes@359 | 1508 | { /* FSCHG */
|
nkeynes@359 | 1509 | snprintf( buf, len, "FSCHG " );
|
nkeynes@359 | 1510 | }
|
nkeynes@359 | 1511 | break;
|
nkeynes@359 | 1512 | case 0x2:
|
nkeynes@359 | 1513 | { /* FRCHG */
|
nkeynes@359 | 1514 | snprintf( buf, len, "FRCHG " );
|
nkeynes@359 | 1515 | }
|
nkeynes@359 | 1516 | break;
|
nkeynes@359 | 1517 | case 0x3:
|
nkeynes@359 | 1518 | { /* UNDEF */
|
nkeynes@359 | 1519 | snprintf( buf, len, "UNDEF " );
|
nkeynes@359 | 1520 | }
|
nkeynes@359 | 1521 | break;
|
nkeynes@359 | 1522 | default:
|
nkeynes@359 | 1523 | UNDEF();
|
nkeynes@359 | 1524 | break;
|
nkeynes@359 | 1525 | }
|
nkeynes@359 | 1526 | break;
|
nkeynes@359 | 1527 | }
|
nkeynes@359 | 1528 | break;
|
nkeynes@359 | 1529 | }
|
nkeynes@359 | 1530 | break;
|
nkeynes@359 | 1531 | default:
|
nkeynes@359 | 1532 | UNDEF();
|
nkeynes@359 | 1533 | break;
|
nkeynes@359 | 1534 | }
|
nkeynes@359 | 1535 | break;
|
nkeynes@359 | 1536 | case 0xE:
|
nkeynes@359 | 1537 | { /* FMAC FR0, FRm, FRn */
|
nkeynes@359 | 1538 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@359 | 1539 | snprintf( buf, len, "FMAC FR0, FR%d, FR%d", FRm, FRn );
|
nkeynes@359 | 1540 | }
|
nkeynes@359 | 1541 | break;
|
nkeynes@359 | 1542 | default:
|
nkeynes@359 | 1543 | UNDEF();
|
nkeynes@359 | 1544 | break;
|
nkeynes@359 | 1545 | }
|
nkeynes@359 | 1546 | break;
|
nkeynes@359 | 1547 | }
|
nkeynes@359 | 1548 |
|
nkeynes@1 | 1549 | return pc+2;
|
nkeynes@1 | 1550 | }
|
nkeynes@1 | 1551 |
|
nkeynes@1 | 1552 |
|
nkeynes@54 | 1553 | void sh4_disasm_region( const gchar *filename, int from, int to )
|
nkeynes@1 | 1554 | {
|
nkeynes@1 | 1555 | int pc;
|
nkeynes@1 | 1556 | char buf[80];
|
nkeynes@11 | 1557 | char opcode[16];
|
nkeynes@54 | 1558 | FILE *f;
|
nkeynes@1 | 1559 |
|
nkeynes@54 | 1560 | f = fopen( filename, "w" );
|
nkeynes@1 | 1561 | for( pc = from; pc < to; pc+=2 ) {
|
nkeynes@1 | 1562 | buf[0] = '\0';
|
nkeynes@1 | 1563 | sh4_disasm_instruction( pc,
|
nkeynes@11 | 1564 | buf, sizeof(buf), opcode );
|
nkeynes@54 | 1565 | fprintf( f, " %08x: %s %s\n", pc, opcode, buf );
|
nkeynes@1 | 1566 | }
|
nkeynes@54 | 1567 | fclose(f);
|
nkeynes@1 | 1568 | }
|