5 * This work is licensed under the terms of MAME license.
\r
6 * See COPYING file in the top-level directory.
\r
9 #include "pico_int.h"
\r
10 #include <zlib/zlib.h>
\r
12 #include "../cpu/sh2/sh2.h"
\r
13 #include "sound/ym2612.h"
\r
17 extern int *sn76496_regs;
\r
19 static arearw *areaRead;
\r
20 static arearw *areaWrite;
\r
21 static areaeof *areaEof;
\r
22 static areaseek *areaSeek;
\r
23 static areaclose *areaClose;
\r
25 carthw_state_chunk *carthw_chunks;
\r
26 void (*PicoStateProgressCB)(const char *str);
\r
27 void (*PicoLoadStateHook)(void);
\r
31 static size_t gzRead2(void *p, size_t _size, size_t _n, void *file)
\r
33 return gzread(file, p, _size * _n);
\r
36 static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)
\r
38 return gzwrite(file, p, _size * _n);
\r
41 static void set_cbs(int gz)
\r
45 areaWrite = gzWrite2;
\r
46 areaEof = (areaeof *) gzeof;
\r
47 areaSeek = (areaseek *) gzseek;
\r
48 areaClose = (areaclose *) gzclose;
\r
50 areaRead = (arearw *) fread;
\r
51 areaWrite = (arearw *) fwrite;
\r
52 areaEof = (areaeof *) feof;
\r
53 areaSeek = (areaseek *) fseek;
\r
54 areaClose = (areaclose *) fclose;
\r
58 static void *open_save_file(const char *fname, int is_save)
\r
60 int len = strlen(fname);
\r
63 if (len > 3 && strcmp(fname + len - 3, ".gz") == 0)
\r
65 if ( (afile = gzopen(fname, is_save ? "wb" : "rb")) ) {
\r
68 gzsetparams(afile, 9, Z_DEFAULT_STRATEGY);
\r
73 if ( (afile = fopen(fname, is_save ? "wb" : "rb")) ) {
\r
81 // legacy savestate loading
\r
82 #define SCANP(f, x) areaRead(&Pico.x, sizeof(Pico.x), 1, f)
\r
84 static int state_load_legacy(void *file)
\r
86 unsigned char head[32];
\r
87 unsigned char cpu[0x60];
\r
88 unsigned char cpu_z80[Z80_STATE_SIZE];
\r
92 memset(&cpu,0,sizeof(cpu));
\r
93 memset(&cpu_z80,0,sizeof(cpu_z80));
\r
95 memset(head, 0, sizeof(head));
\r
96 areaRead(head, sizeof(head), 1, file);
\r
97 if (strcmp((char *)head, "Pico") != 0)
\r
100 elprintf(EL_STATUS, "legacy savestate");
\r
102 // Scan all the memory areas:
\r
107 SCANP(file, vsram);
\r
109 // Pack, scan and unpack the cpu data:
\r
110 areaRead(cpu, sizeof(cpu), 1, file);
\r
111 SekUnpackCpu(cpu, 0);
\r
114 SCANP(file, video);
\r
116 ok = areaRead(cpu_z80, sizeof(cpu_z80), 1, file) == sizeof(cpu_z80);
\r
117 // do not unpack if we fail to load z80 state
\r
118 if (!ok) z80_reset();
\r
119 else z80_unpack(cpu_z80);
\r
121 ym2612_regs = YM2612GetRegs();
\r
122 areaRead(sn76496_regs, 28*4, 1, file);
\r
123 areaRead(ym2612_regs, 0x200+4, 1, file);
\r
124 ym2612_unpack_state();
\r
129 // ---------------------------------------------------------------------------
\r
147 CHUNK_PCM_RAM, // 15
\r
152 CHUNK_CDD, // 20 old
\r
157 CHUNK_IOPORTS, // versions < 1.70 did not save that..
\r
164 CHUNK_SSH2_DATA, // 30
\r
169 CHUNK_SSH2_BIOS, // 35
\r
174 CHUNK_32X_FIRST = CHUNK_MSH2,
\r
175 CHUNK_32X_LAST = CHUNK_32X_EVT,
\r
176 // add new stuff here
\r
182 CHUNK_DEFAULT_COUNT,
\r
183 CHUNK_CARTHW_ = CHUNK_CARTHW, // 64 (defined in PicoInt)
\r
186 static const char * const chunk_names[CHUNK_DEFAULT_COUNT] = {
\r
232 static int write_chunk(chunk_name_e name, int len, void *data, void *file)
\r
234 size_t bwritten = 0;
\r
235 bwritten += areaWrite(&name, 1, 1, file);
\r
236 bwritten += areaWrite(&len, 1, 4, file);
\r
237 bwritten += areaWrite(data, 1, len, file);
\r
239 return (bwritten == len + 4 + 1);
\r
242 #define CHUNK_LIMIT_W 18772 // sizeof(cdc)
\r
244 #define CHECKED_WRITE(name,len,data) { \
\r
245 if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT && chunk_names[name]) { \
\r
246 strncpy(sbuff + 9, chunk_names[name], sizeof(sbuff) - 9); \
\r
247 PicoStateProgressCB(sbuff); \
\r
249 if (data == buf2 && len > CHUNK_LIMIT_W) \
\r
251 if (!write_chunk(name, len, data, file)) \
\r
255 #define CHECKED_WRITE_BUFF(name,buff) { \
\r
256 if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT && chunk_names[name]) { \
\r
257 strncpy(sbuff + 9, chunk_names[name], sizeof(sbuff) - 9); \
\r
258 PicoStateProgressCB(sbuff); \
\r
260 if (!write_chunk(name, sizeof(buff), &buff, file)) \
\r
264 static int state_save(void *file)
\r
266 char sbuff[32] = "Saving.. ";
\r
267 unsigned char buff[0x60], buff_z80[Z80_STATE_SIZE];
\r
268 void *ym2612_regs = YM2612GetRegs();
\r
270 int ver = 0x0191; // not really used..
\r
274 areaWrite("PicoSEXT", 1, 8, file);
\r
275 areaWrite(&ver, 1, 4, file);
\r
277 if (!(PicoAHW & PAHW_SMS)) {
\r
278 memset(buff, 0, sizeof(buff));
\r
279 SekPackCpu(buff, 0);
\r
280 CHECKED_WRITE_BUFF(CHUNK_M68K, buff);
\r
281 CHECKED_WRITE_BUFF(CHUNK_RAM, Pico.ram);
\r
282 CHECKED_WRITE_BUFF(CHUNK_VSRAM, Pico.vsram);
\r
283 CHECKED_WRITE_BUFF(CHUNK_IOPORTS, Pico.ioports);
\r
284 ym2612_pack_state();
\r
285 CHECKED_WRITE(CHUNK_FM, 0x200+4, ym2612_regs);
\r
288 CHECKED_WRITE_BUFF(CHUNK_SMS, Pico.ms);
\r
291 CHECKED_WRITE_BUFF(CHUNK_VRAM, Pico.vram);
\r
292 CHECKED_WRITE_BUFF(CHUNK_ZRAM, Pico.zram);
\r
293 CHECKED_WRITE_BUFF(CHUNK_CRAM, Pico.cram);
\r
294 CHECKED_WRITE_BUFF(CHUNK_MISC, Pico.m);
\r
295 CHECKED_WRITE_BUFF(CHUNK_VIDEO, Pico.video);
\r
297 z80_pack(buff_z80);
\r
298 CHECKED_WRITE_BUFF(CHUNK_Z80, buff_z80);
\r
299 CHECKED_WRITE(CHUNK_PSG, 28*4, sn76496_regs);
\r
301 if (PicoAHW & PAHW_MCD)
\r
303 buf2 = malloc(CHUNK_LIMIT_W);
\r
307 memset(buff, 0, sizeof(buff));
\r
308 SekPackCpu(buff, 1);
\r
309 if (Pico_mcd->s68k_regs[3] & 4) // 1M mode?
\r
310 wram_1M_to_2M(Pico_mcd->word_ram2M);
\r
311 memcpy(&Pico_mcd->m.hint_vector, Pico_mcd->bios + 0x72,
\r
312 sizeof(Pico_mcd->m.hint_vector));
\r
314 CHECKED_WRITE_BUFF(CHUNK_S68K, buff);
\r
315 CHECKED_WRITE_BUFF(CHUNK_PRG_RAM, Pico_mcd->prg_ram);
\r
316 CHECKED_WRITE_BUFF(CHUNK_WORD_RAM, Pico_mcd->word_ram2M); // in 2M format
\r
317 CHECKED_WRITE_BUFF(CHUNK_PCM_RAM, Pico_mcd->pcm_ram);
\r
318 CHECKED_WRITE_BUFF(CHUNK_BRAM, Pico_mcd->bram);
\r
319 CHECKED_WRITE_BUFF(CHUNK_GA_REGS, Pico_mcd->s68k_regs); // GA regs, not CPU regs
\r
320 CHECKED_WRITE_BUFF(CHUNK_PCM, Pico_mcd->pcm);
\r
321 CHECKED_WRITE_BUFF(CHUNK_MISC_CD, Pico_mcd->m);
\r
322 memset(buff, 0, 0x40);
\r
323 memcpy(buff, pcd_event_times, sizeof(pcd_event_times));
\r
324 CHECKED_WRITE(CHUNK_CD_EVT, 0x40, buff);
\r
326 len = gfx_context_save(buf2);
\r
327 CHECKED_WRITE(CHUNK_CD_GFX, len, buf2);
\r
328 len = cdc_context_save(buf2);
\r
329 CHECKED_WRITE(CHUNK_CD_CDC, len, buf2);
\r
330 len = cdd_context_save(buf2);
\r
331 CHECKED_WRITE(CHUNK_CD_CDD, len, buf2);
\r
333 if (Pico_mcd->s68k_regs[3] & 4) // convert back
\r
334 wram_2M_to_1M(Pico_mcd->word_ram2M);
\r
338 if (PicoAHW & PAHW_32X)
\r
340 unsigned char cpubuff[SH2_STATE_SIZE];
\r
342 memset(cpubuff, 0, sizeof(cpubuff));
\r
344 sh2_pack(&sh2s[0], cpubuff);
\r
345 CHECKED_WRITE_BUFF(CHUNK_MSH2, cpubuff);
\r
346 CHECKED_WRITE_BUFF(CHUNK_MSH2_DATA, sh2s[0].data_array);
\r
347 CHECKED_WRITE_BUFF(CHUNK_MSH2_PERI, sh2s[0].peri_regs);
\r
349 sh2_pack(&sh2s[1], cpubuff);
\r
350 CHECKED_WRITE_BUFF(CHUNK_SSH2, cpubuff);
\r
351 CHECKED_WRITE_BUFF(CHUNK_SSH2_DATA, sh2s[1].data_array);
\r
352 CHECKED_WRITE_BUFF(CHUNK_SSH2_PERI, sh2s[1].peri_regs);
\r
354 CHECKED_WRITE_BUFF(CHUNK_32XSYS, Pico32x);
\r
355 CHECKED_WRITE_BUFF(CHUNK_M68K_BIOS, Pico32xMem->m68k_rom);
\r
356 CHECKED_WRITE_BUFF(CHUNK_MSH2_BIOS, Pico32xMem->sh2_rom_m);
\r
357 CHECKED_WRITE_BUFF(CHUNK_SSH2_BIOS, Pico32xMem->sh2_rom_s);
\r
358 CHECKED_WRITE_BUFF(CHUNK_SDRAM, Pico32xMem->sdram);
\r
359 CHECKED_WRITE_BUFF(CHUNK_DRAM, Pico32xMem->dram);
\r
360 CHECKED_WRITE_BUFF(CHUNK_32XPAL, Pico32xMem->pal);
\r
362 memset(buff, 0, 0x40);
\r
363 memcpy(buff, p32x_event_times, sizeof(p32x_event_times));
\r
364 CHECKED_WRITE(CHUNK_32X_EVT, 0x40, buff);
\r
368 if (carthw_chunks != NULL)
\r
370 carthw_state_chunk *chwc;
\r
371 if (PicoStateProgressCB)
\r
372 PicoStateProgressCB("Saving.. cart hw state");
\r
373 for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++)
\r
374 CHECKED_WRITE(chwc->chunk, chwc->size, chwc->ptr);
\r
385 static int g_read_offs = 0;
\r
387 #define R_ERROR_RETURN(error) \
\r
389 elprintf(EL_STATUS, "load_state @ %x: " error, g_read_offs); \
\r
393 // when is eof really set?
\r
394 #define CHECKED_READ(len,data) { \
\r
395 if (areaRead(data, 1, len, file) != len) { \
\r
396 if (len == 1 && areaEof(file)) goto readend; \
\r
397 R_ERROR_RETURN("areaRead: premature EOF\n"); \
\r
399 g_read_offs += len; \
\r
402 #define CHECKED_READ2(len2,data) { \
\r
403 if (len2 != len) { \
\r
404 elprintf(EL_STATUS, "unexpected len %i, wanted %i (%s)", len, len2, #len2); \
\r
405 if (len > len2) R_ERROR_RETURN("failed."); \
\r
406 /* else read anyway and hope for the best.. */ \
\r
408 CHECKED_READ(len, data); \
\r
411 #define CHECKED_READ_BUFF(buff) CHECKED_READ2(sizeof(buff), &buff);
\r
413 #define CHUNK_LIMIT_R 0x10960 // sizeof(old_cdc)
\r
415 #define CHECKED_READ_LIM(data) { \
\r
416 if (len > CHUNK_LIMIT_R) \
\r
417 R_ERROR_RETURN("chunk size over limit."); \
\r
418 CHECKED_READ(len, data); \
\r
421 static int state_load(void *file)
\r
423 unsigned char buff_m68k[0x60], buff_s68k[0x60];
\r
424 unsigned char buff_z80[Z80_STATE_SIZE];
\r
425 unsigned char buff_sh2[SH2_STATE_SIZE];
\r
426 unsigned char *buf = NULL;
\r
427 unsigned char chunk;
\r
434 memset(buff_m68k, 0, sizeof(buff_m68k));
\r
435 memset(buff_s68k, 0, sizeof(buff_s68k));
\r
436 memset(buff_z80, 0, sizeof(buff_z80));
\r
438 buf = malloc(CHUNK_LIMIT_R);
\r
443 CHECKED_READ(8, header);
\r
444 if (strncmp(header, "PicoSMCD", 8) && strncmp(header, "PicoSEXT", 8))
\r
445 R_ERROR_RETURN("bad header");
\r
446 CHECKED_READ(4, &ver);
\r
448 memset(pcd_event_times, 0, sizeof(pcd_event_times));
\r
449 memset(p32x_event_times, 0, sizeof(p32x_event_times));
\r
451 while (!areaEof(file))
\r
454 CHECKED_READ(1, &chunk);
\r
455 CHECKED_READ(4, &len);
\r
456 if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length");
\r
457 if (CHUNK_S68K <= chunk && chunk <= CHUNK_MISC_CD && !(PicoAHW & PAHW_MCD))
\r
458 R_ERROR_RETURN("cd chunk in non CD state?");
\r
459 if (CHUNK_32X_FIRST <= chunk && chunk <= CHUNK_32X_LAST && !(PicoAHW & PAHW_32X))
\r
465 CHECKED_READ_BUFF(buff_m68k);
\r
469 CHECKED_READ_BUFF(buff_z80);
\r
472 case CHUNK_RAM: CHECKED_READ_BUFF(Pico.ram); break;
\r
473 case CHUNK_VRAM: CHECKED_READ_BUFF(Pico.vram); break;
\r
474 case CHUNK_ZRAM: CHECKED_READ_BUFF(Pico.zram); break;
\r
475 case CHUNK_CRAM: CHECKED_READ_BUFF(Pico.cram); break;
\r
476 case CHUNK_VSRAM: CHECKED_READ_BUFF(Pico.vsram); break;
\r
477 case CHUNK_MISC: CHECKED_READ_BUFF(Pico.m); break;
\r
478 case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); break;
\r
479 case CHUNK_IOPORTS: CHECKED_READ_BUFF(Pico.ioports); break;
\r
480 case CHUNK_PSG: CHECKED_READ2(28*4, sn76496_regs); break;
\r
482 ym2612_regs = YM2612GetRegs();
\r
483 CHECKED_READ2(0x200+4, ym2612_regs);
\r
484 ym2612_unpack_state();
\r
488 CHECKED_READ_BUFF(Pico.ms);
\r
493 CHECKED_READ_BUFF(buff_s68k);
\r
496 case CHUNK_PRG_RAM: CHECKED_READ_BUFF(Pico_mcd->prg_ram); break;
\r
497 case CHUNK_WORD_RAM: CHECKED_READ_BUFF(Pico_mcd->word_ram2M); break;
\r
498 case CHUNK_PCM_RAM: CHECKED_READ_BUFF(Pico_mcd->pcm_ram); break;
\r
499 case CHUNK_BRAM: CHECKED_READ_BUFF(Pico_mcd->bram); break;
\r
500 case CHUNK_GA_REGS: CHECKED_READ_BUFF(Pico_mcd->s68k_regs); break;
\r
501 case CHUNK_PCM: CHECKED_READ_BUFF(Pico_mcd->pcm); break;
\r
502 case CHUNK_MISC_CD: CHECKED_READ_BUFF(Pico_mcd->m); break;
\r
505 CHECKED_READ2(0x40, buf);
\r
506 memcpy(pcd_event_times, buf, sizeof(pcd_event_times));
\r
510 CHECKED_READ_LIM(buf);
\r
511 len_check = gfx_context_load(buf);
\r
515 CHECKED_READ_LIM(buf);
\r
516 len_check = cdc_context_load(buf);
\r
520 CHECKED_READ_LIM(buf);
\r
521 len_check = cdd_context_load(buf);
\r
524 // old, to be removed:
\r
526 CHECKED_READ_LIM(buf);
\r
527 cdc_context_load_old(buf);
\r
531 CHECKED_READ_LIM(buf);
\r
532 cdd_context_load_old(buf);
\r
538 CHECKED_READ_BUFF(buff_sh2);
\r
539 sh2_unpack(&sh2s[0], buff_sh2);
\r
543 CHECKED_READ_BUFF(buff_sh2);
\r
544 sh2_unpack(&sh2s[1], buff_sh2);
\r
547 case CHUNK_MSH2_DATA: CHECKED_READ_BUFF(sh2s[0].data_array); break;
\r
548 case CHUNK_MSH2_PERI: CHECKED_READ_BUFF(sh2s[0].peri_regs); break;
\r
549 case CHUNK_SSH2_DATA: CHECKED_READ_BUFF(sh2s[1].data_array); break;
\r
550 case CHUNK_SSH2_PERI: CHECKED_READ_BUFF(sh2s[1].peri_regs); break;
\r
551 case CHUNK_32XSYS: CHECKED_READ_BUFF(Pico32x); break;
\r
552 case CHUNK_M68K_BIOS: CHECKED_READ_BUFF(Pico32xMem->m68k_rom); break;
\r
553 case CHUNK_MSH2_BIOS: CHECKED_READ_BUFF(Pico32xMem->sh2_rom_m); break;
\r
554 case CHUNK_SSH2_BIOS: CHECKED_READ_BUFF(Pico32xMem->sh2_rom_s); break;
\r
555 case CHUNK_SDRAM: CHECKED_READ_BUFF(Pico32xMem->sdram); break;
\r
556 case CHUNK_DRAM: CHECKED_READ_BUFF(Pico32xMem->dram); break;
\r
557 case CHUNK_32XPAL: CHECKED_READ_BUFF(Pico32xMem->pal); break;
\r
559 case CHUNK_32X_EVT:
\r
560 CHECKED_READ2(0x40, buf);
\r
561 memcpy(p32x_event_times, buf, sizeof(p32x_event_times));
\r
565 if (carthw_chunks != NULL)
\r
567 carthw_state_chunk *chwc;
\r
568 for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++) {
\r
569 if (chwc->chunk == chunk) {
\r
570 CHECKED_READ2(chwc->size, chwc->ptr);
\r
575 elprintf(EL_STATUS, "load_state: skipping unknown chunk %i of size %i", chunk, len);
\r
576 areaSeek(file, len, SEEK_CUR);
\r
580 if (len_check != 0 && len_check != len)
\r
581 elprintf(EL_STATUS, "load_state: chunk %d has bad len %d/%d",
\r
586 if (PicoAHW & PAHW_SMS)
\r
587 PicoStateLoadedMS();
\r
589 if (PicoAHW & PAHW_32X)
\r
590 Pico32xStateLoaded(1);
\r
592 // must unpack 68k and z80 after banks are set up
\r
593 if (!(PicoAHW & PAHW_SMS))
\r
594 SekUnpackCpu(buff_m68k, 0);
\r
595 if (PicoAHW & PAHW_MCD)
\r
596 SekUnpackCpu(buff_s68k, 1);
\r
598 z80_unpack(buff_z80);
\r
600 // due to dep from 68k cycles..
\r
601 SekCycleAim = SekCycleCnt;
\r
602 if (PicoAHW & PAHW_32X)
\r
603 Pico32xStateLoaded(0);
\r
604 if (PicoAHW & PAHW_MCD)
\r
606 SekCycleAimS68k = SekCycleCntS68k;
\r
607 pcd_state_loaded();
\r
617 static int state_load_gfx(void *file)
\r
619 int ver, len, found = 0, to_find = 4;
\r
622 if (PicoAHW & PAHW_32X)
\r
626 CHECKED_READ(8, buff);
\r
627 if (strncmp((char *)buff, "PicoSMCD", 8) && strncmp((char *)buff, "PicoSEXT", 8))
\r
628 R_ERROR_RETURN("bad header");
\r
629 CHECKED_READ(4, &ver);
\r
631 while (!areaEof(file) && found < to_find)
\r
633 CHECKED_READ(1, buff);
\r
634 CHECKED_READ(4, &len);
\r
635 if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length");
\r
636 if (buff[0] > CHUNK_FM && buff[0] <= CHUNK_MISC_CD && !(PicoAHW & PAHW_MCD))
\r
637 R_ERROR_RETURN("cd chunk in non CD state?");
\r
641 case CHUNK_VRAM: CHECKED_READ_BUFF(Pico.vram); found++; break;
\r
642 case CHUNK_CRAM: CHECKED_READ_BUFF(Pico.cram); found++; break;
\r
643 case CHUNK_VSRAM: CHECKED_READ_BUFF(Pico.vsram); found++; break;
\r
644 case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); found++; break;
\r
648 if (Pico32xMem != NULL)
\r
649 CHECKED_READ_BUFF(Pico32xMem->dram);
\r
653 if (Pico32xMem != NULL)
\r
654 CHECKED_READ_BUFF(Pico32xMem->pal);
\r
655 Pico32x.dirty_pal = 1;
\r
659 CHECKED_READ_BUFF(Pico32x);
\r
663 areaSeek(file, len, SEEK_CUR);
\r
673 static int pico_state_internal(void *afile, int is_save)
\r
678 ret = state_save(afile);
\r
680 ret = state_load(afile);
\r
682 areaSeek(afile, 0, SEEK_SET);
\r
683 ret = state_load_legacy(afile);
\r
686 if (PicoLoadStateHook != NULL)
\r
687 PicoLoadStateHook();
\r
688 Pico.m.dirtyPal = 1;
\r
694 int PicoState(const char *fname, int is_save)
\r
696 void *afile = NULL;
\r
699 afile = open_save_file(fname, is_save);
\r
703 ret = pico_state_internal(afile, is_save);
\r
708 int PicoStateFP(void *afile, int is_save,
\r
709 arearw *read, arearw *write, areaeof *eof, areaseek *seek)
\r
717 return pico_state_internal(afile, is_save);
\r
720 int PicoStateLoadGfx(const char *fname)
\r
725 afile = open_save_file(fname, 0);
\r
729 ret = state_load_gfx(afile);
\r
732 areaSeek(afile, 0x10020, SEEK_SET); // skip header and RAM
\r
733 areaRead(Pico.vram, 1, sizeof(Pico.vram), afile);
\r
734 areaSeek(afile, 0x2000, SEEK_CUR);
\r
735 areaRead(Pico.cram, 1, sizeof(Pico.cram), afile);
\r
736 areaRead(Pico.vsram, 1, sizeof(Pico.vsram), afile);
\r
737 areaSeek(afile, 0x221a0, SEEK_SET);
\r
738 areaRead(&Pico.video, 1, sizeof(Pico.video), afile);
\r
747 unsigned short vram[0x8000];
\r
748 unsigned short cram[0x40];
\r
749 unsigned short vsram[0x40];
\r
751 //struct PicoMisc m;
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752 struct PicoVideo video;
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755 struct Pico32x p32x;
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756 unsigned short dram[2][0x20000/2];
\r
757 unsigned short pal[0x100];
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761 // returns data ptr to free() or PicoTmpStateRestore()
\r
762 void *PicoTmpStateSave(void)
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764 // gfx only for now
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765 struct PicoTmp *t = malloc(sizeof(*t));
\r
769 memcpy(t->vram, Pico.vram, sizeof(Pico.vram));
\r
770 memcpy(t->cram, Pico.cram, sizeof(Pico.cram));
\r
771 memcpy(t->vsram, Pico.vsram, sizeof(Pico.vsram));
\r
772 memcpy(&t->video, &Pico.video, sizeof(Pico.video));
\r
775 if (PicoAHW & PAHW_32X) {
\r
776 memcpy(&t->t32x.p32x, &Pico32x, sizeof(Pico32x));
\r
777 memcpy(t->t32x.dram, Pico32xMem->dram, sizeof(Pico32xMem->dram));
\r
778 memcpy(t->t32x.pal, Pico32xMem->pal, sizeof(Pico32xMem->pal));
\r
785 void PicoTmpStateRestore(void *data)
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787 struct PicoTmp *t = data;
\r
791 memcpy(Pico.vram, t->vram, sizeof(Pico.vram));
\r
792 memcpy(Pico.cram, t->cram, sizeof(Pico.cram));
\r
793 memcpy(Pico.vsram, t->vsram, sizeof(Pico.vsram));
\r
794 memcpy(&Pico.video, &t->video, sizeof(Pico.video));
\r
795 Pico.m.dirtyPal = 1;
\r
798 if (PicoAHW & PAHW_32X) {
\r
799 memcpy(&Pico32x, &t->t32x.p32x, sizeof(Pico32x));
\r
800 memcpy(Pico32xMem->dram, t->t32x.dram, sizeof(Pico32xMem->dram));
\r
801 memcpy(Pico32xMem->pal, t->t32x.pal, sizeof(Pico32xMem->pal));
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802 Pico32x.dirty_pal = 1;
\r
807 // vim:shiftwidth=2:ts=2:expandtab
\r