RaySollium99/libpicofe
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1.32 release

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@87 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-04-04 18:35:48 +00:00
parent 46ede6a688
commit 6ab2f79cf1
9 changed files with 97 additions and 60 deletions
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37
gp2x/emu.c
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@ -1,4 +1,4 @@
// (c) Copyright 2006 notaz, All rights reserved.
// (c) Copyright 2006-2007 notaz, All rights reserved.
// Free for non-commercial use.
// For commercial use, separate licencing terms must be obtained.
@ -310,7 +310,7 @@ int emu_ReloadRom(void)
// detect wrong files (Pico crashes on very small files), also see if ROM EP is good
if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
if (rom_data) free(rom_data);
rom_data = 0;
sprintf(menuErrorMsg, "Not a ROM selected.");
@ -482,8 +482,8 @@ int emu_ReadConfig(int game)
// set default config
memset(&currentConfig, 0, sizeof(currentConfig));
currentConfig.lastRomFile[0] = 0;
currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds
currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda
currentConfig.EmuOpt = 0x1f | 0x600; // | confirm_save, cd_leds
currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda
currentConfig.PsndRate = 22050; // 44100;
currentConfig.PicoRegion = 0; // auto
currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
@ -1328,7 +1328,7 @@ if (Pico.m.frame_count == 31563) {
// save SRAM
if((currentConfig.EmuOpt & 1) && SRam.changed) {
osd_text(4, 232, "Writing SRAM/BRAM..");
emu_state_cb("Writing SRAM/BRAM..");
emu_SaveLoadGame(0, 1);
SRam.changed = 0;
}
@ -1459,29 +1459,40 @@ int emu_SaveLoadGame(int load, int sram)
FILE *sramFile;
int sram_size;
unsigned char *sram_data;
int truncate = 1;
if (PicoMCD&1) {
sram_size = 0x2000;
sram_data = Pico_mcd->bram;
if (PicoOpt&0x8000) { // MCD RAM cart?
sram_size = 0x12000;
sram_data = SRam.data;
if (sram_data)
memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);
} else {
sram_size = 0x2000;
sram_data = Pico_mcd->bram;
truncate = 0; // the .brm may contain RAM cart data after normal brm
}
} else {
sram_size = SRam.end-SRam.start+1;
if(SRam.reg_back & 4) sram_size=0x2000;
sram_data = SRam.data;
}
if(!sram_data) return 0; // SRam forcefully disabled for this game
if (!sram_data) return 0; // SRam forcefully disabled for this game
if(load) {
if (load) {
sramFile = fopen(saveFname, "rb");
if(!sramFile) return -1;
fread(sram_data, 1, sram_size, sramFile);
fclose(sramFile);
if ((PicoMCD&1) && (PicoOpt&0x8000))
memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);
} else {
// sram save needs some special processing
// see if we have anything to save
for(; sram_size > 0; sram_size--)
if(sram_data[sram_size-1]) break;
for (; sram_size > 0; sram_size--)
if (sram_data[sram_size-1]) break;
if(sram_size) {
sramFile = fopen(saveFname, "wb");
if (sram_size) {
sramFile = fopen(saveFname, truncate ? "wb" : "r+b");
ret = fwrite(sram_data, 1, sram_size, sramFile);
ret = (ret != sram_size) ? -1 : 0;
fclose(sramFile);