236 lines
7.4 KiB
C
Executable File
236 lines
7.4 KiB
C
Executable File
/*
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Copyright (C) 1997-2005 ZSNES Team ( zsKnight, _Demo_, pagefault, Nach )
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http://www.zsnes.com
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http://sourceforge.net/projects/zsnes
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later
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version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef __LINUX__
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#include "gblhdr.h"
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#define DIR_SLASH "/"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define DIR_SLASH "\\"
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#endif
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#define memcpyinc(dest, src, size) memcpy(dest, src, size); dest += size;
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#define memcpyrinc(src, dest, size) memcpy(dest, src, size); src += size;
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/*Let's start converting stuff from execute.asm ^_^;
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Big thanks to Nach and TRAC for helping me out on porting !!*/
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extern unsigned int CBackupPos, PHnum2writecpureg, cycpbl;
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extern unsigned int *wramdata, *vram, PHspcsave, *C4Ram, *sfxramdata;
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extern unsigned int PHnum2writesa1reg, SA1Mode, prevedi, SA1xpc;
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extern unsigned int sa1dmaptr, soundcycleft, spc700read, timer2upd, xa;
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extern unsigned int spcnumread, spchalted, opcd, HIRQCycNext, oamaddr;
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extern unsigned int ReadHead, *setaramdata, ramsize, *sram;
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extern unsigned int tempesi, tempedi, tempedx, tempebp;
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extern unsigned char *StateBackup, zsmesg[26], sndrot, spcon, spcRam[65472];
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extern unsigned char DSPMem[256], C4Enable, SFXEnable, SA1Enable, SA1Status;
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extern unsigned char *SA1RAMArea, DSP1Type, DSP1COp, prevoamptr, SETAEnable;
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extern short C4WFXVal, C41FXVal, Op00Multiplicand, Op04Angle, Op08X, Op18X;
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extern short Op28X, Op0CA, Op02FX, Op0AVS, Op06X, Op01m, Op0DX, Op03F, Op14Zr;
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extern short Op0EH;
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extern signed short Op10Coefficient;
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void BackupCVFrame()
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{
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unsigned char *curpos;
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curpos = StateBackup + (CBackupPos << 19) + 1024;
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memcpyinc (curpos, zsmesg, PHnum2writecpureg);
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memcpyinc (curpos, &cycpbl, 2*4);
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memcpyinc (curpos, &sndrot, 3019);
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memcpyinc (curpos, wramdata, 8192*16);
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memcpyinc (curpos, vram, 4096*16);
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if (spcon)
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{
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memcpyinc (curpos, spcRam, PHspcsave);
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memcpyinc (curpos, DSPMem, 16*16);
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}
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if (C4Enable) { memcpyinc (curpos, C4Ram, 2048*4); }
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if (SFXEnable) { memcpyinc (curpos, sfxramdata, 8192*16); }
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if (SA1Enable)
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{
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memcpyinc (curpos, &SA1Mode, PHnum2writesa1reg);
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memcpyinc (curpos, SA1RAMArea, 8192*16);
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memcpyinc (curpos, &SA1Status, 3);
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memcpyinc (curpos, &prevedi, 1*4);
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memcpyinc (curpos, &SA1xpc, 1*4);
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memcpyinc (curpos, &SA1RAMArea, 6*4);
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memcpyinc (curpos, &sa1dmaptr, 2*4);
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}
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if (DSP1Type)
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{
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memcpyinc (curpos, &DSP1COp, 70+128);
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memcpyinc (curpos, &C4WFXVal, 7*4+7*8+128);
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memcpyinc (curpos, &C41FXVal, 5*4+128);
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memcpyinc (curpos, &Op00Multiplicand, 3*4+128);
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memcpyinc (curpos, &Op10Coefficient, 4*4+128);
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memcpyinc (curpos, &Op04Angle, 4*4+128);
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memcpyinc (curpos, &Op08X, 5*4+128);
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memcpyinc (curpos, &Op18X, 5*4+128);
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memcpyinc (curpos, &Op28X, 4*4+128);
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memcpyinc (curpos, &Op0CA, 5*4+128);
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memcpyinc (curpos, &Op02FX, 11*4+3*4+28*8+128);
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memcpyinc (curpos, &Op0AVS, 5*4+14*8+128);
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memcpyinc (curpos, &Op06X, 6*4+10*8+4+128);
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memcpyinc (curpos, &Op01m, 4*4+128);
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memcpyinc (curpos, &Op0DX, 6*4+128);
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memcpyinc (curpos, &Op03F, 6*4+128);
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memcpyinc (curpos, &Op14Zr, 9*4+128);
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memcpyinc (curpos, &Op0EH, 4*4+128);
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}
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memcpyinc (curpos, &soundcycleft, 33);
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memcpyinc (curpos, &spc700read, 10*4);
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memcpyinc (curpos, &timer2upd, 1*4);
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memcpyinc (curpos, &xa, 14*4);
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memcpyinc (curpos, &spcnumread, 4);
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memcpyinc (curpos, &spchalted, 4);
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memcpyinc (curpos, &opcd, 6*4);
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memcpyinc (curpos, &HIRQCycNext, 5);
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memcpyinc (curpos, &oamaddr, 14*4);
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memcpyinc (curpos, &prevoamptr, 1);
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memcpyinc (curpos, &ReadHead, 1*4);
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if (SETAEnable) { memcpyinc (curpos, setaramdata, 256*16); }
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memcpyinc (curpos, sram, ramsize);
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memcpyinc (curpos, &tempesi, 4);
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memcpyinc (curpos, &tempedi, 4);
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memcpyinc (curpos, &tempedx, 4);
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memcpyinc (curpos, &tempebp, 4);
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}
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extern unsigned int Bank0datr8[256], Bank0datr16[256], Bank0datw8[256];
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extern unsigned int Bank0datw16[256], xd, DPageR8, DPageR16, DPageW8;
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extern unsigned int DPageW16;
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void UpdateDPageC()
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{
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DPageR8 = Bank0datr8[(xd >> 8) & 0xFF];
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DPageR16 = Bank0datr16[(xd >> 8) & 0xFF];
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DPageW8 = Bank0datw8[(xd >> 8) & 0xFF];
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DPageW16 = Bank0datw16[(xd >> 8) & 0xFF];
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}
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extern unsigned int SA1xd, SA1DPageR8, SA1DPageR16, SA1DPageW8, SA1DPageW16;
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void SA1UpdateDPageC()
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{
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SA1DPageR8 = Bank0datr8[(SA1xd >> 8) & 0xFF];
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SA1DPageR16 = Bank0datr16[(SA1xd >> 8) & 0xFF];
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SA1DPageW8 = Bank0datw8[(SA1xd >> 8) & 0xFF];
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SA1DPageW16 = Bank0datw16[(SA1xd >> 8) & 0xFF];
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}
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extern unsigned int PBackupPos;
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void RestoreCVFrame()
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{
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unsigned char *curpos;
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curpos = StateBackup + (PBackupPos << 19) + 1024;
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memcpyrinc (curpos, zsmesg, PHnum2writecpureg);
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memcpyrinc (curpos, &cycpbl, 2*4);
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memcpyrinc (curpos, &sndrot, 3019);
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memcpyrinc (curpos, wramdata, 8192*16);
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memcpyrinc (curpos, vram, 4096*16);
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if (spcon)
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{
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memcpyrinc (curpos, spcRam, PHspcsave);
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memcpyrinc (curpos, DSPMem, 16*16);
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}
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if (C4Enable) { memcpyrinc (curpos, C4Ram, 2048*4); }
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if (SFXEnable) { memcpyrinc (curpos, sfxramdata, 8192*16); }
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if (SA1Enable)
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{
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memcpyrinc (curpos, &SA1Mode, PHnum2writesa1reg);
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memcpyrinc (curpos, SA1RAMArea, 8192*16);
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memcpyrinc (curpos, &SA1Status, 3);
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memcpyrinc (curpos, &prevedi, 1*4);
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memcpyrinc (curpos, &SA1xpc, 1*4);
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memcpyrinc (curpos, &SA1RAMArea, 6*4);
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memcpyrinc (curpos, &sa1dmaptr, 2*4);
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}
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if (DSP1Type)
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{
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memcpyrinc (curpos, &DSP1COp, 70+128);
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memcpyrinc (curpos, &C4WFXVal, 7*4+7*8+128);
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memcpyrinc (curpos, &C41FXVal, 5*4+128);
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memcpyrinc (curpos, &Op00Multiplicand, 3*4+128);
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memcpyrinc (curpos, &Op10Coefficient, 4*4+128);
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memcpyrinc (curpos, &Op04Angle, 4*4+128);
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memcpyrinc (curpos, &Op08X, 5*4+128);
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memcpyrinc (curpos, &Op18X, 5*4+128);
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memcpyrinc (curpos, &Op28X, 4*4+128);
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memcpyrinc (curpos, &Op0CA, 5*4+128);
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memcpyrinc (curpos, &Op02FX, 11*4+3*4+28*8+128);
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memcpyrinc (curpos, &Op0AVS, 5*4+14*8+128);
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memcpyrinc (curpos, &Op06X, 6*4+10*8+4+128);
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memcpyrinc (curpos, &Op01m, 4*4+128);
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memcpyrinc (curpos, &Op0DX, 6*4+128);
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memcpyrinc (curpos, &Op03F, 6*4+128);
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memcpyrinc (curpos, &Op14Zr, 9*4+128);
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memcpyrinc (curpos, &Op0EH, 4*4+128);
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}
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memcpyrinc (curpos, &soundcycleft, 33);
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memcpyrinc (curpos, &spc700read, 10*4);
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memcpyrinc (curpos, &timer2upd, 1*4);
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memcpyrinc (curpos, &xa, 14*4);
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memcpyrinc (curpos, &spcnumread, 4);
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memcpyrinc (curpos, &spchalted, 4);
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memcpyrinc (curpos, &opcd, 6*4);
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memcpyrinc (curpos, &HIRQCycNext, 5);
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memcpyrinc (curpos, &oamaddr, 14*4);
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memcpyrinc (curpos, &prevoamptr, 1);
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memcpyrinc (curpos, &ReadHead, 1*4);
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if (SETAEnable) { memcpyrinc (curpos, setaramdata, 256*16); }
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memcpyrinc (curpos, sram, ramsize);
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memcpyrinc (curpos, &tempesi, 4);
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memcpyrinc (curpos, &tempedi, 4);
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memcpyrinc (curpos, &tempedx, 4);
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memcpyrinc (curpos, &tempebp, 4);
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UpdateDPageC();
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SA1UpdateDPageC();
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}
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