X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fstate.c;h=100f4237b5eef049200992a32464d9e67cd472f8;hb=93f9619ed819dee07948416c98ca2f1c70a22666;hp=089957eb5708e1c9a3e1faeccbc759216ea7d6ce;hpb=274fcc35aa20e9777a8e09630a94088757384329;p=picodrive.git diff --git a/pico/state.c b/pico/state.c index 089957e..100f423 100644 --- a/pico/state.c +++ b/pico/state.c @@ -7,7 +7,7 @@ */ #include "pico_int.h" -#include +#include #include "../cpu/sh2/sh2.h" #include "sound/ym2612.h" @@ -78,54 +78,6 @@ static void *open_save_file(const char *fname, int is_save) return afile; } -// legacy savestate loading -#define SCANP(f, x) areaRead(&Pico.x, sizeof(Pico.x), 1, f) - -static int state_load_legacy(void *file) -{ - unsigned char head[32]; - unsigned char cpu[0x60]; - unsigned char cpu_z80[Z80_STATE_SIZE]; - void *ym2612_regs; - int ok; - - memset(&cpu,0,sizeof(cpu)); - memset(&cpu_z80,0,sizeof(cpu_z80)); - - memset(head, 0, sizeof(head)); - areaRead(head, sizeof(head), 1, file); - if (strcmp((char *)head, "Pico") != 0) - return -1; - - elprintf(EL_STATUS, "legacy savestate"); - - // Scan all the memory areas: - SCANP(file, ram); - SCANP(file, vram); - SCANP(file, zram); - SCANP(file, cram); - SCANP(file, vsram); - - // Pack, scan and unpack the cpu data: - areaRead(cpu, sizeof(cpu), 1, file); - SekUnpackCpu(cpu, 0); - - SCANP(file, m); - SCANP(file, video); - - ok = areaRead(cpu_z80, sizeof(cpu_z80), 1, file) == sizeof(cpu_z80); - // do not unpack if we fail to load z80 state - if (!ok) z80_reset(); - else z80_unpack(cpu_z80); - - ym2612_regs = YM2612GetRegs(); - areaRead(sn76496_regs, 28*4, 1, file); - areaRead(ym2612_regs, 0x200+4, 1, file); - ym2612_unpack_state(); - - return 0; -} - // --------------------------------------------------------------------------- typedef enum { @@ -274,13 +226,13 @@ static int state_save(void *file) areaWrite("PicoSEXT", 1, 8, file); areaWrite(&ver, 1, 4, file); - if (!(PicoAHW & PAHW_SMS)) { + if (!(PicoIn.AHW & PAHW_SMS)) { memset(buff, 0, sizeof(buff)); SekPackCpu(buff, 0); CHECKED_WRITE_BUFF(CHUNK_M68K, buff); - CHECKED_WRITE_BUFF(CHUNK_RAM, Pico.ram); - CHECKED_WRITE_BUFF(CHUNK_VSRAM, Pico.vsram); - CHECKED_WRITE_BUFF(CHUNK_IOPORTS, Pico.ioports); + CHECKED_WRITE_BUFF(CHUNK_RAM, PicoMem.ram); + CHECKED_WRITE_BUFF(CHUNK_VSRAM, PicoMem.vsram); + CHECKED_WRITE_BUFF(CHUNK_IOPORTS, PicoMem.ioports); ym2612_pack_state(); CHECKED_WRITE(CHUNK_FM, 0x200+4, ym2612_regs); } @@ -288,9 +240,9 @@ static int state_save(void *file) CHECKED_WRITE_BUFF(CHUNK_SMS, Pico.ms); } - CHECKED_WRITE_BUFF(CHUNK_VRAM, Pico.vram); - CHECKED_WRITE_BUFF(CHUNK_ZRAM, Pico.zram); - CHECKED_WRITE_BUFF(CHUNK_CRAM, Pico.cram); + CHECKED_WRITE_BUFF(CHUNK_VRAM, PicoMem.vram); + CHECKED_WRITE_BUFF(CHUNK_ZRAM, PicoMem.zram); + CHECKED_WRITE_BUFF(CHUNK_CRAM, PicoMem.cram); CHECKED_WRITE_BUFF(CHUNK_MISC, Pico.m); CHECKED_WRITE_BUFF(CHUNK_VIDEO, Pico.video); @@ -298,7 +250,7 @@ static int state_save(void *file) CHECKED_WRITE_BUFF(CHUNK_Z80, buff_z80); CHECKED_WRITE(CHUNK_PSG, 28*4, sn76496_regs); - if (PicoAHW & PAHW_MCD) + if (PicoIn.AHW & PAHW_MCD) { buf2 = malloc(CHUNK_LIMIT_W); if (buf2 == NULL) @@ -335,7 +287,7 @@ static int state_save(void *file) } #ifndef NO_32X - if (PicoAHW & PAHW_32X) + if (PicoIn.AHW & PAHW_32X) { unsigned char cpubuff[SH2_STATE_SIZE]; @@ -454,9 +406,9 @@ static int state_load(void *file) CHECKED_READ(1, &chunk); CHECKED_READ(4, &len); if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length"); - if (CHUNK_S68K <= chunk && chunk <= CHUNK_MISC_CD && !(PicoAHW & PAHW_MCD)) + if (CHUNK_S68K <= chunk && chunk <= CHUNK_MISC_CD && !(PicoIn.AHW & PAHW_MCD)) R_ERROR_RETURN("cd chunk in non CD state?"); - if (CHUNK_32X_FIRST <= chunk && chunk <= CHUNK_32X_LAST && !(PicoAHW & PAHW_32X)) + if (CHUNK_32X_FIRST <= chunk && chunk <= CHUNK_32X_LAST && !(PicoIn.AHW & PAHW_32X)) Pico32xStartup(); switch (chunk) @@ -469,14 +421,14 @@ static int state_load(void *file) CHECKED_READ_BUFF(buff_z80); break; - case CHUNK_RAM: CHECKED_READ_BUFF(Pico.ram); break; - case CHUNK_VRAM: CHECKED_READ_BUFF(Pico.vram); break; - case CHUNK_ZRAM: CHECKED_READ_BUFF(Pico.zram); break; - case CHUNK_CRAM: CHECKED_READ_BUFF(Pico.cram); break; - case CHUNK_VSRAM: CHECKED_READ_BUFF(Pico.vsram); break; + case CHUNK_RAM: CHECKED_READ_BUFF(PicoMem.ram); break; + case CHUNK_VRAM: CHECKED_READ_BUFF(PicoMem.vram); break; + case CHUNK_ZRAM: CHECKED_READ_BUFF(PicoMem.zram); break; + case CHUNK_CRAM: CHECKED_READ_BUFF(PicoMem.cram); break; + case CHUNK_VSRAM: CHECKED_READ_BUFF(PicoMem.vsram); break; case CHUNK_MISC: CHECKED_READ_BUFF(Pico.m); break; case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); break; - case CHUNK_IOPORTS: CHECKED_READ_BUFF(Pico.ioports); break; + case CHUNK_IOPORTS: CHECKED_READ_BUFF(PicoMem.ioports); break; case CHUNK_PSG: CHECKED_READ2(28*4, sn76496_regs); break; case CHUNK_FM: ym2612_regs = YM2612GetRegs(); @@ -583,30 +535,38 @@ breakswitch: } readend: - if (PicoAHW & PAHW_SMS) + if (PicoIn.AHW & PAHW_SMS) PicoStateLoadedMS(); - if (PicoAHW & PAHW_32X) + if (PicoIn.AHW & PAHW_32X) Pico32xStateLoaded(1); + if (PicoLoadStateHook != NULL) + PicoLoadStateHook(); + // must unpack 68k and z80 after banks are set up - if (!(PicoAHW & PAHW_SMS)) + if (!(PicoIn.AHW & PAHW_SMS)) SekUnpackCpu(buff_m68k, 0); - if (PicoAHW & PAHW_MCD) + if (PicoIn.AHW & PAHW_MCD) SekUnpackCpu(buff_s68k, 1); z80_unpack(buff_z80); // due to dep from 68k cycles.. - SekCycleAim = SekCycleCnt; - if (PicoAHW & PAHW_32X) + Pico.t.m68c_aim = Pico.t.m68c_cnt; + if (PicoIn.AHW & PAHW_32X) Pico32xStateLoaded(0); - if (PicoAHW & PAHW_MCD) + if (PicoIn.AHW & PAHW_MCD) { SekCycleAimS68k = SekCycleCntS68k; pcd_state_loaded(); } + Pico.m.dirtyPal = 1; + Pico.video.status &= ~(SR_VB | SR_F); + Pico.video.status |= ((Pico.video.reg[1] >> 3) ^ SR_VB) & SR_VB; + Pico.video.status |= (Pico.video.pending_ints << 2) & SR_F; + retval = 0; out: @@ -619,7 +579,7 @@ static int state_load_gfx(void *file) int ver, len, found = 0, to_find = 4; char buff[8]; - if (PicoAHW & PAHW_32X) + if (PicoIn.AHW & PAHW_32X) to_find += 2; g_read_offs = 0; @@ -633,14 +593,14 @@ static int state_load_gfx(void *file) CHECKED_READ(1, buff); CHECKED_READ(4, &len); if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length"); - if (buff[0] > CHUNK_FM && buff[0] <= CHUNK_MISC_CD && !(PicoAHW & PAHW_MCD)) + if (buff[0] > CHUNK_FM && buff[0] <= CHUNK_MISC_CD && !(PicoIn.AHW & PAHW_MCD)) R_ERROR_RETURN("cd chunk in non CD state?"); switch (buff[0]) { - case CHUNK_VRAM: CHECKED_READ_BUFF(Pico.vram); found++; break; - case CHUNK_CRAM: CHECKED_READ_BUFF(Pico.cram); found++; break; - case CHUNK_VSRAM: CHECKED_READ_BUFF(Pico.vsram); found++; break; + case CHUNK_VRAM: CHECKED_READ_BUFF(PicoMem.vram); found++; break; + case CHUNK_CRAM: CHECKED_READ_BUFF(PicoMem.cram); found++; break; + case CHUNK_VSRAM: CHECKED_READ_BUFF(PicoMem.vsram); found++; break; case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); found++; break; #ifndef NO_32X @@ -676,17 +636,8 @@ static int pico_state_internal(void *afile, int is_save) if (is_save) ret = state_save(afile); - else { + else ret = state_load(afile); - if (ret != 0) { - areaSeek(afile, 0, SEEK_SET); - ret = state_load_legacy(afile); - } - - if (PicoLoadStateHook != NULL) - PicoLoadStateHook(); - Pico.m.dirtyPal = 1; - } return ret; } @@ -730,10 +681,10 @@ int PicoStateLoadGfx(const char *fname) if (ret != 0) { // assume legacy areaSeek(afile, 0x10020, SEEK_SET); // skip header and RAM - areaRead(Pico.vram, 1, sizeof(Pico.vram), afile); + areaRead(PicoMem.vram, 1, sizeof(PicoMem.vram), afile); areaSeek(afile, 0x2000, SEEK_CUR); - areaRead(Pico.cram, 1, sizeof(Pico.cram), afile); - areaRead(Pico.vsram, 1, sizeof(Pico.vsram), afile); + areaRead(PicoMem.cram, 1, sizeof(PicoMem.cram), afile); + areaRead(PicoMem.vsram, 1, sizeof(PicoMem.vsram), afile); areaSeek(afile, 0x221a0, SEEK_SET); areaRead(&Pico.video, 1, sizeof(Pico.video), afile); } @@ -766,13 +717,13 @@ void *PicoTmpStateSave(void) if (t == NULL) return NULL; - memcpy(t->vram, Pico.vram, sizeof(Pico.vram)); - memcpy(t->cram, Pico.cram, sizeof(Pico.cram)); - memcpy(t->vsram, Pico.vsram, sizeof(Pico.vsram)); + memcpy(t->vram, PicoMem.vram, sizeof(PicoMem.vram)); + memcpy(t->cram, PicoMem.cram, sizeof(PicoMem.cram)); + memcpy(t->vsram, PicoMem.vsram, sizeof(PicoMem.vsram)); memcpy(&t->video, &Pico.video, sizeof(Pico.video)); #ifndef NO_32X - if (PicoAHW & PAHW_32X) { + if (PicoIn.AHW & PAHW_32X) { memcpy(&t->t32x.p32x, &Pico32x, sizeof(Pico32x)); memcpy(t->t32x.dram, Pico32xMem->dram, sizeof(Pico32xMem->dram)); memcpy(t->t32x.pal, Pico32xMem->pal, sizeof(Pico32xMem->pal)); @@ -788,14 +739,14 @@ void PicoTmpStateRestore(void *data) if (t == NULL) return; - memcpy(Pico.vram, t->vram, sizeof(Pico.vram)); - memcpy(Pico.cram, t->cram, sizeof(Pico.cram)); - memcpy(Pico.vsram, t->vsram, sizeof(Pico.vsram)); + memcpy(PicoMem.vram, t->vram, sizeof(PicoMem.vram)); + memcpy(PicoMem.cram, t->cram, sizeof(PicoMem.cram)); + memcpy(PicoMem.vsram, t->vsram, sizeof(PicoMem.vsram)); memcpy(&Pico.video, &t->video, sizeof(Pico.video)); Pico.m.dirtyPal = 1; #ifndef NO_32X - if (PicoAHW & PAHW_32X) { + if (PicoIn.AHW & PAHW_32X) { memcpy(&Pico32x, &t->t32x.p32x, sizeof(Pico32x)); memcpy(Pico32xMem->dram, t->t32x.dram, sizeof(Pico32xMem->dram)); memcpy(Pico32xMem->pal, t->t32x.pal, sizeof(Pico32xMem->pal));