X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2Fcd%2Farea.c;fp=Pico%2Fcd%2Farea.c;h=0000000000000000000000000000000000000000;hb=1cfc5cc4ce06642b9bc45ca3b9d32793718e9455;hp=88fe88285d839541a2318d31db12f0b971f2b043;hpb=d158df697da66bcda57307e35fc77929cfa5053c;p=picodrive.git

diff --git a/Pico/cd/area.c b/Pico/cd/area.c
deleted file mode 100644
index 88fe882..0000000
--- a/Pico/cd/area.c
+++ /dev/null
@@ -1,332 +0,0 @@
-// Savestate handling for emulated Sega/Mega CD machine.
-// (c) Copyright 2007, Grazvydas "notaz" Ignotas
-
-
-#include "../pico_int.h"
-
-// ym2612
-#include "../sound/ym2612.h"
-
-// sn76496
-extern int *sn76496_regs;
-
-carthw_state_chunk *carthw_chunks;
-void (*PicoStateProgressCB)(const char *str) = 0;
-
-
-typedef enum {
-	CHUNK_M68K = 1,
-	CHUNK_RAM,
-	CHUNK_VRAM,
-	CHUNK_ZRAM,
-	CHUNK_CRAM,	// 5
-	CHUNK_VSRAM,
-	CHUNK_MISC,
-	CHUNK_VIDEO,
-	CHUNK_Z80,
-	CHUNK_PSG,	// 10
-	CHUNK_FM,
-	// CD stuff
-	CHUNK_S68K,
-	CHUNK_PRG_RAM,
-	CHUNK_WORD_RAM,
-	CHUNK_PCM_RAM,	// 15
-	CHUNK_BRAM,
-	CHUNK_GA_REGS,
-	CHUNK_PCM,
-	CHUNK_CDC,
-	CHUNK_CDD,	// 20
-	CHUNK_SCD,
-	CHUNK_RC,
-	CHUNK_MISC_CD,
-	CHUNK_DEFAULT_COUNT
-	// CHUNK_CARTHW = 64,	// defined in PicoInt
-} chunk_name_e;
-
-
-static char *chunk_names[] = {
-	"INVALID!",
-	"Saving.. M68K state",
-	"Saving.. RAM",
-	"Saving.. VRAM",
-	"Saving.. ZRAM",
-	"Saving.. CRAM",	// 5
-	"Saving.. VSRAM",
-	"Saving.. emu state",
-	"Saving.. VIDEO",
-	"Saving.. Z80 state",
-	"Saving.. PSG",		// 10
-	"Saving.. FM",
-	// CD stuff
-	"Saving.. S68K state",
-	"Saving.. PRG_RAM",
-	"Saving.. WORD_RAM",
-	"Saving.. PCM_RAM",	// 15
-	"Saving.. BRAM",
-	"Saving.. GATE ARRAY regs",
-	"Saving.. PCM state",
-	"Saving.. CDC",
-	"Saving.. CDD",		// 20
-	"Saving.. SCD",
-	"Saving.. GFX chip",
-	"Saving.. MCD state",
-};
-
-
-static int write_chunk(chunk_name_e name, int len, void *data, void *file)
-{
-	size_t bwritten = 0;
-	bwritten += areaWrite(&name, 1, 1, file);
-	bwritten += areaWrite(&len, 1, 4, file);
-	bwritten += areaWrite(data, 1, len, file);
-
-	return (bwritten == len + 4 + 1);
-}
-
-
-#define CHECKED_WRITE(name,len,data) { \
-	if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) \
-		PicoStateProgressCB(chunk_names[name]); \
-	if (!write_chunk(name, len, data, file)) return 1; \
-}
-
-#define CHECKED_WRITE_BUFF(name,buff) { \
-	if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) \
-		PicoStateProgressCB(chunk_names[name]); \
-	if (!write_chunk(name, sizeof(buff), &buff, file)) return 1; \
-}
-
-PICO_INTERNAL int PicoCdSaveState(void *file)
-{
-	unsigned char buff[0x60];
-	void *ym2612_regs = YM2612GetRegs();
-
-	areaWrite("PicoSEXT", 1, 8, file);
-	areaWrite(&PicoVer, 1, 4, file);
-
-	memset(buff, 0, sizeof(buff));
-	PicoAreaPackCpu(buff, 0);
-	CHECKED_WRITE_BUFF(CHUNK_M68K,  buff);
-	CHECKED_WRITE_BUFF(CHUNK_RAM,   Pico.ram);
-	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_VSRAM, Pico.vsram);
-	CHECKED_WRITE_BUFF(CHUNK_MISC,  Pico.m);
-	CHECKED_WRITE_BUFF(CHUNK_VIDEO, Pico.video);
-	if (PicoOpt&7) {
-		memset(buff, 0, sizeof(buff));
-		z80_pack(buff);
-		CHECKED_WRITE_BUFF(CHUNK_Z80, buff);
-	}
-	if (PicoOpt&3)
-		CHECKED_WRITE(CHUNK_PSG, 28*4, sn76496_regs);
-	if (PicoOpt&1) {
-		ym2612_pack_state();
-		CHECKED_WRITE(CHUNK_FM, 0x200+4, ym2612_regs);
-	}
-
-	if (PicoAHW & PAHW_MCD)
-	{
-		memset(buff, 0, sizeof(buff));
-		PicoAreaPackCpu(buff, 1);
-		if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
-			wram_1M_to_2M(Pico_mcd->word_ram2M);
-        	Pico_mcd->m.hint_vector = *(unsigned short *)(Pico_mcd->bios + 0x72);
-
-		CHECKED_WRITE_BUFF(CHUNK_S68K,     buff);
-		CHECKED_WRITE_BUFF(CHUNK_PRG_RAM,  Pico_mcd->prg_ram);
-		CHECKED_WRITE_BUFF(CHUNK_WORD_RAM, Pico_mcd->word_ram2M); // in 2M format
-		CHECKED_WRITE_BUFF(CHUNK_PCM_RAM,  Pico_mcd->pcm_ram);
-		CHECKED_WRITE_BUFF(CHUNK_BRAM,     Pico_mcd->bram);
-		CHECKED_WRITE_BUFF(CHUNK_GA_REGS,  Pico_mcd->s68k_regs); // GA regs, not CPU regs
-		CHECKED_WRITE_BUFF(CHUNK_PCM,      Pico_mcd->pcm);
-		CHECKED_WRITE_BUFF(CHUNK_CDD,      Pico_mcd->cdd);
-		CHECKED_WRITE_BUFF(CHUNK_CDC,      Pico_mcd->cdc);
-		CHECKED_WRITE_BUFF(CHUNK_SCD,      Pico_mcd->scd);
-		CHECKED_WRITE_BUFF(CHUNK_RC,       Pico_mcd->rot_comp);
-		CHECKED_WRITE_BUFF(CHUNK_MISC_CD,  Pico_mcd->m);
-
-		if (Pico_mcd->s68k_regs[3]&4) // convert back
-			wram_2M_to_1M(Pico_mcd->word_ram2M);
-	}
-
-	if (carthw_chunks != NULL)
-	{
-		carthw_state_chunk *chwc;
-		if (PicoStateProgressCB)
-			PicoStateProgressCB("Saving.. cart hw state");
-		for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++)
-			CHECKED_WRITE(chwc->chunk, chwc->size, chwc->ptr);
-	}
-
-	return 0;
-}
-
-static int g_read_offs = 0;
-
-#define R_ERROR_RETURN(error) \
-{ \
-	elprintf(EL_STATUS, "PicoCdLoadState @ %x: " error, g_read_offs); \
-	return 1; \
-}
-
-// when is eof really set?
-#define CHECKED_READ(len,data) \
-	if (areaRead(data, 1, len, file) != len) { \
-		if (len == 1 && areaEof(file)) goto readend; \
-		R_ERROR_RETURN("areaRead: premature EOF\n"); \
-		return 1; \
-	} \
-	g_read_offs += len;
-
-#define CHECKED_READ2(len2,data) \
-	if (len2 != len) { \
-		elprintf(EL_STATUS, "unexpected len %i, wanted %i (%s)", len, len2, #len2); \
-		if (len > len2) R_ERROR_RETURN("failed."); \
-		/* else read anyway and hope for the best.. */ \
-	} \
-	CHECKED_READ(len, data)
-
-#define CHECKED_READ_BUFF(buff) CHECKED_READ2(sizeof(buff), &buff);
-
-PICO_INTERNAL int PicoCdLoadState(void *file)
-{
-	unsigned char buff[0x60], buff_m68k[0x60], buff_s68k[0x60];
-	int ver, len;
-	void *ym2612_regs = YM2612GetRegs();
-
-	g_read_offs = 0;
-	CHECKED_READ(8, buff);
-	if (strncmp((char *)buff, "PicoSMCD", 8) && strncmp((char *)buff, "PicoSEXT", 8))
-		R_ERROR_RETURN("bad header");
-	CHECKED_READ(4, &ver);
-
-	while (!areaEof(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))
-			R_ERROR_RETURN("cd chunk in non CD state?");
-
-		switch (buff[0])
-		{
-			case CHUNK_M68K:
-				CHECKED_READ_BUFF(buff_m68k);
-				break;
-
-			case CHUNK_Z80:
-				CHECKED_READ_BUFF(buff);
-				z80_unpack(buff);
-				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_MISC:  CHECKED_READ_BUFF(Pico.m); break;
-			case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); break;
-			case CHUNK_PSG:   CHECKED_READ2(28*4, sn76496_regs); break;
-			case CHUNK_FM:
-				CHECKED_READ2(0x200+4, ym2612_regs);
-				ym2612_unpack_state();
-				break;
-
-			// cd stuff
-			case CHUNK_S68K:
-				CHECKED_READ_BUFF(buff_s68k);
-				break;
-
-			case CHUNK_PRG_RAM:	CHECKED_READ_BUFF(Pico_mcd->prg_ram); break;
-			case CHUNK_WORD_RAM:	CHECKED_READ_BUFF(Pico_mcd->word_ram2M); break;
-			case CHUNK_PCM_RAM:	CHECKED_READ_BUFF(Pico_mcd->pcm_ram); break;
-			case CHUNK_BRAM:	CHECKED_READ_BUFF(Pico_mcd->bram); break;
-			case CHUNK_GA_REGS:	CHECKED_READ_BUFF(Pico_mcd->s68k_regs); break;
-			case CHUNK_PCM:		CHECKED_READ_BUFF(Pico_mcd->pcm); break;
-			case CHUNK_CDD:		CHECKED_READ_BUFF(Pico_mcd->cdd); break;
-			case CHUNK_CDC:		CHECKED_READ_BUFF(Pico_mcd->cdc); break;
-			case CHUNK_SCD:		CHECKED_READ_BUFF(Pico_mcd->scd); break;
-			case CHUNK_RC:		CHECKED_READ_BUFF(Pico_mcd->rot_comp); break;
-			case CHUNK_MISC_CD:	CHECKED_READ_BUFF(Pico_mcd->m); break;
-
-			default:
-				if (carthw_chunks != NULL)
-				{
-					carthw_state_chunk *chwc;
-					for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++) {
-						if (chwc->chunk == buff[0]) {
-							CHECKED_READ2(chwc->size, chwc->ptr);
-							goto breakswitch;
-						}
-					}
-				}
-				elprintf(EL_STATUS, "PicoCdLoadState: skipping unknown chunk %i of size %i", buff[0], len);
-				areaSeek(file, len, SEEK_CUR);
-				break;
-		}
-		breakswitch:;
-	}
-
-readend:
-	if (PicoAHW & PAHW_MCD)
-	{
-		/* after load events */
-		if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
-			wram_2M_to_1M(Pico_mcd->word_ram2M);
-		PicoMemResetCD(Pico_mcd->s68k_regs[3]);
-#ifdef _ASM_CD_MEMORY_C
-		if (Pico_mcd->s68k_regs[3]&4)
-			PicoMemResetCDdecode(Pico_mcd->s68k_regs[3]);
-#endif
-		if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))
-			cdda_start_play();
-		// restore hint vector
-        	*(unsigned short *)(Pico_mcd->bios + 0x72) = Pico_mcd->m.hint_vector;
-
-		// must unpack after other CD stuff is loaded
-		PicoAreaUnpackCpu(buff_s68k, 1);
-	}
-	PicoAreaUnpackCpu(buff_m68k, 0);
-
-	return 0;
-}
-
-
-int PicoCdLoadStateGfx(void *file)
-{
-	int ver, len, found = 0;
-	char buff[8];
-
-	g_read_offs = 0;
-	CHECKED_READ(8, buff);
-	if (strncmp((char *)buff, "PicoSMCD", 8) && strncmp((char *)buff, "PicoSEXT", 8))
-		R_ERROR_RETURN("bad header");
-	CHECKED_READ(4, &ver);
-
-	while (!areaEof(file) && found < 4)
-	{
-		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))
-			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_VIDEO: CHECKED_READ_BUFF(Pico.video); found++; break;
-			default:
-				areaSeek(file, len, SEEK_CUR);
-				break;
-		}
-	}
-
-readend:
-	return 0;
-}
-
-