168 lines
3.4 KiB
C
168 lines
3.4 KiB
C
/* Copyright 2007 Guillaume Duhamel
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This file is part of Yabause.
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Yabause is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Yabause is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Yabause; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "m68kcore.h"
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#include "m68kc68k.h"
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#include "memory.h"
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extern u8 * SoundRam;
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M68K_struct * M68K = NULL;
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extern M68K_struct * M68KCoreList[];
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int M68KInit(int coreid) {
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int i;
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M68K = &M68KDummy;
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// Go through core list and find the id
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for (i = 0; M68KCoreList[i] != NULL; i++)
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{
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if (M68KCoreList[i]->id == coreid)
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{
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// Set to current core
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M68K = M68KCoreList[i];
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break;
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}
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}
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return 0;
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}
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static int M68KDummyInit(void) {
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return 0;
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}
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static void M68KDummyDeInit(void) {
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}
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static void M68KDummyReset(void) {
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}
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static s32 FASTCALL M68KDummyExec(UNUSED s32 cycle) {
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T2WriteWord(SoundRam, 0x700, 0);
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T2WriteWord(SoundRam, 0x710, 0);
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T2WriteWord(SoundRam, 0x720, 0);
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T2WriteWord(SoundRam, 0x730, 0);
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T2WriteWord(SoundRam, 0x740, 0);
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T2WriteWord(SoundRam, 0x750, 0);
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T2WriteWord(SoundRam, 0x760, 0);
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T2WriteWord(SoundRam, 0x770, 0);
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T2WriteWord(SoundRam, 0x790, 0);
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T2WriteWord(SoundRam, 0x792, 0);
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return 0;
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}
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static void M68KDummySync(void) {
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}
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static u32 M68KDummyGetDReg(UNUSED u32 num) {
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return 0;
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}
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static u32 M68KDummyGetAReg(UNUSED u32 num) {
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return 0;
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}
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static u32 M68KDummyGetPC(void) {
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return 0;
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}
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static u32 M68KDummyGetSR(void) {
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return 0;
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}
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static u32 M68KDummyGetUSP(void) {
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return 0;
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}
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static u32 M68KDummyGetMSP(void) {
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return 0;
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}
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static void M68KDummySetDReg(UNUSED u32 num, UNUSED u32 val) {
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}
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static void M68KDummySetAReg(UNUSED u32 num, UNUSED u32 val) {
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}
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static void M68KDummySetPC(UNUSED u32 val) {
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}
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static void M68KDummySetSR(UNUSED u32 val) {
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}
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static void M68KDummySetUSP(UNUSED u32 val) {
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}
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static void M68KDummySetMSP(UNUSED u32 val) {
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}
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static void M68KDummySetFetch(UNUSED u32 low_adr, UNUSED u32 high_adr, UNUSED pointer fetch_adr) {
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}
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static void FASTCALL M68KDummySetIRQ(UNUSED s32 level) {
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}
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static void FASTCALL M68KDummyWriteNotify(u32 address, u32 size) {
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}
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static void M68KDummySetReadB(UNUSED M68K_READ *Func) {
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}
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static void M68KDummySetReadW(UNUSED M68K_READ *Func) {
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}
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static void M68KDummySetWriteB(UNUSED M68K_WRITE *Func) {
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}
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static void M68KDummySetWriteW(UNUSED M68K_WRITE *Func) {
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}
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M68K_struct M68KDummy = {
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0,
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"Dummy 68k Interface",
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M68KDummyInit,
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M68KDummyDeInit,
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M68KDummyReset,
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M68KDummyExec,
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M68KDummySync,
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M68KDummyGetDReg,
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M68KDummyGetAReg,
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M68KDummyGetPC,
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M68KDummyGetSR,
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M68KDummyGetUSP,
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M68KDummyGetMSP,
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M68KDummySetDReg,
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M68KDummySetAReg,
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M68KDummySetPC,
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M68KDummySetSR,
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M68KDummySetUSP,
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M68KDummySetMSP,
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M68KDummySetFetch,
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M68KDummySetIRQ,
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M68KDummyWriteNotify,
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M68KDummySetReadB,
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M68KDummySetReadW,
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M68KDummySetWriteB,
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M68KDummySetWriteW
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};
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