lxdream.org :: lxdream/src/clock.h r261:93fdb2a70e18

tree revision 261:93fdb2a70e18

filename	src/clock.h
changeset	261:93fdb2a70e18
prev	30:89b30313d757
next	265:5daf59b7f31b
author	nkeynes
date	Wed Jan 03 09:01:51 2007 +0000 (16 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.

view

     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