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gen/cd frame loops merged

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@250 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-16 20:45:13 +00:00
parent 1dceadaee4
commit bf5fbbb4b9
7 changed files with 109 additions and 165 deletions
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2
platform/gizmondo/emu.h
View file

@ -53,7 +53,7 @@ char *emu_GetSaveFName(int load, int is_sram, int slot);
int emu_check_save_file(int slot);
void emu_set_save_cbs(int gz);
void emu_forced_frame(void);
int emu_cd_check(char **bios_file);
int emu_cd_check(int *pregion);
int find_bios(int region, char **bios_file);
void scaling_update(void);

51
platform/gp2x/emu.c
View file

@ -151,7 +151,7 @@ int find_bios(int region, char **bios_file)
/* checks if romFileName points to valid MegaCD image
* if so, checks for suitable BIOS */
int emu_cd_check(char **bios_file)
int emu_cd_check(int *pregion)
{
unsigned char buf[32];
pm_file *cd_f;
@ -183,17 +183,9 @@ int emu_cd_check(char **bios_file)
printf("detected %s Sega/Mega CD image with %s region\n",
type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
if (PicoRegionOverride) {
region = PicoRegionOverride;
printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
}
if (pregion != NULL) *pregion = region;
if (bios_file == NULL) return type;
if (find_bios(region, bios_file))
return type; // CD and BIOS detected
return -1; // CD detected but load failed
return type;
}
int emu_ReloadRom(void)
@ -202,7 +194,7 @@ int emu_ReloadRom(void)
char *used_rom_name = romFileName;
char ext[5];
pm_file *rom;
int ret, cd_state;
int ret, cd_state, cd_region, cfg_loaded = 0;
printf("emu_ReloadRom(%s)\n", romFileName);
@ -271,14 +263,30 @@ int emu_ReloadRom(void)
Stop_CD();
// check for MegaCD image
cd_state = emu_cd_check(&used_rom_name);
if (cd_state > 0) {
cd_state = emu_cd_check(&cd_region);
if (cd_state > 0)
{
// valid CD image, check for BIOS..
// we need to have config loaded at this point
ret = emu_ReadConfig(1, 1);
if (!ret) emu_ReadConfig(0, 1);
cfg_loaded = 1;
if (PicoRegionOverride) {
cd_region = PicoRegionOverride;
printf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
}
if (!find_bios(cd_region, &used_rom_name)) {
// bios_help() ?
return 0;
}
PicoMCD |= 1;
get_ext(used_rom_name, ext);
} else if (cd_state == -1) {
// bios_help() ?
return 0;
} else {
}
else
{
if (PicoMCD & 1) Stop_CD();
PicoMCD &= ~1;
}
@ -317,9 +325,10 @@ int emu_ReloadRom(void)
}
// load config for this ROM (do this before insert to get correct region)
ret = emu_ReadConfig(1, 1);
if (!ret)
emu_ReadConfig(0, 1);
if (!cfg_loaded) {
ret = emu_ReadConfig(1, 1);
if (!ret) emu_ReadConfig(0, 1);
}
printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
if(PicoCartInsert(rom_data, rom_size)) {

2
platform/gp2x/emu.h
View file

@ -53,7 +53,7 @@ char *emu_GetSaveFName(int load, int is_sram, int slot);
int emu_check_save_file(int slot);
void emu_set_save_cbs(int gz);
void emu_forced_frame(void);
int emu_cd_check(char **bios_file);
int emu_cd_check(int *pregion);
int find_bios(int region, char **bios_file);
void scaling_update(void);