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Add core option "Use NTSC" for default palette

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This commit is contained in:
retro-wertz
2017-09-05 01:15:54 +08:00
parent db7a73bc97
commit d603ef197f
3 changed files with 18 additions and 3 deletions
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18
src/drivers/libretro/libretro.c
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@@ -197,7 +197,8 @@ FILE *FCEUD_UTF8fopen(const char *n, const char *m)
/*palette for FCEU*/
#define MAXPAL 17 /* raw palette # */
int external_palette_exist = 0;
static int use_ntsc = 0;
static int external_palette_exist = 0;
struct st_palettes {
char name[32];
@@ -532,6 +533,7 @@ void retro_set_environment(retro_environment_t cb)
{
static const struct retro_variable vars[] = {
{ "fceumm_palette", "Color Palette; default|asqrealc|nintendo-vc|rgb|yuv-v3|unsaturated-final|sony-cxa2025as-us|pal|bmf-final2|bmf-final3|smooth-fbx|composite-direct-fbx|pvm-style-d93-fbx|ntsc-hardware-fbx|nes-classic-fbx-fs|nescap|wavebeam|raw|custom" },
{ "fceumm_use_ntsc", "Use NTSC Palette; disabled|enabled" },
{ "fceumm_nospritelimit", "No Sprite Limit; disabled|enabled" },
{ "fceumm_overclocking", "Overclocking; disabled|2x-Postrender|2x-VBlank" },
#ifdef PSP
@@ -608,11 +610,12 @@ void retro_init(void)
#endif
}
static void retro_set_custom_palette (void)
static void retro_set_custom_palette(void)
{
uint8_t i,r,g,b;
ipalette = 0;
ntsccol = 0;
use_raw_palette = false;
if (current_palette == 0 || current_palette > MAXPAL || (GameInfo->type == GIT_VSUNI))
@@ -631,6 +634,9 @@ static void retro_set_custom_palette (void)
if (GameInfo->type == GIT_VSUNI)
FCEU_PrintError("Cannot use custom palette with VS. System.\n");
if (current_palette == 0 && use_ntsc)
ntsccol = 1;
FCEU_ResetPalette(); /* Do palette reset*/
return;
}
@@ -799,6 +805,14 @@ static void check_variables(bool startup)
retro_set_custom_palette();
}
var.key = "fceumm_use_ntsc";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
use_ntsc = (!strcmp(var.value, "enabled")) ? 1 : 0;
retro_set_custom_palette();
}
var.key = "fceumm_nospritelimit";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)