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lxdream.org :: lxdream/src/clock.h
lxdream 0.9.1
released Jun 29
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filename src/clock.h
changeset 261:93fdb2a70e18
prev30:89b30313d757
next265:5daf59b7f31b
author nkeynes
date Wed Jan 03 09:01:51 2007 +0000 (13 years ago)
permissions -rw-r--r--
last change Implement the main CRTC registers, along with the sync status register.
Timings are now pretty close to the real thing.
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     1 /**
     2  * $Id: clock.h,v 1.4 2007-01-03 09:01:51 nkeynes Exp $
     3  * External interface to the dreamcast serial port, implemented by 
     4  * sh4/scif.c
     5  *
     6  * Copyright (c) 2005 Nathan Keynes.
     7  *
     8  * This program is free software; you can redistribute it and/or modify
     9  * it under the terms of the GNU General Public License as published by
    10  * the Free Software Foundation; either version 2 of the License, or
    11  * (at your option) any later version.
    12  *
    13  * This program is distributed in the hope that it will be useful,
    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16  * GNU General Public License for more details.
    17  */
    18 #ifndef dream_clock_H
    19 #define dream_clock_H 1
    21 #include <stdint.h>
    23 #ifdef __cplusplus
    24 extern "C" {
    25 #endif
    27 #define MHZ
    28 #define SH4_BASE_RATE 200 MHZ
    29 #define ARM_BASE_RATE 33 MHZ
    30 #define PVR2_DOT_CLOCK 27 MHZ
    32 extern uint32_t sh4_freq;
    33 extern uint32_t sh4_peripheral_freq;
    34 extern uint32_t sh4_bus_freq;
    35 extern uint32_t sh4_cpu_period;
    36 extern uint32_t sh4_peripheral_period;
    37 extern uint32_t sh4_bus_period;
    38 extern uint32_t arm_freq;
    40 #ifdef __cplusplus
    41 }
    42 #endif
    44 #endif
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