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libretro: Add GB color palettes

This commit is contained in:
retro-wertz 2019-01-26 21:24:05 +08:00 committed by Rafael Kitover
parent 4f9003112d
commit 2a796d48a0
1 changed files with 83 additions and 0 deletions
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83
src/libretro/libretro.cpp
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@ -59,6 +59,7 @@ static unsigned width = 240;
static unsigned height = 160;
static EmulatedSystem* core = NULL;
static IMAGE_TYPE type = IMAGE_UNKNOWN;
static unsigned current_gbPalette;
uint16_t systemColorMap16[0x10000];
uint32_t systemColorMap32[0x10000];
@ -130,6 +131,56 @@ uint16_t systemGbPalette[24] = {
GS555(0x1f), GS555(0x15), GS555(0x0c), 0
};
static const uint16_t defaultGBPalettes[][8] = {
{
// Standard
0x7FFF, 0x56B5, 0x318C, 0x0000, 0x7FFF, 0x56B5, 0x318C, 0x0000,
},
{
// Blue Sea
0x6200, 0x7E10, 0x7C10, 0x5000, 0x6200, 0x7E10, 0x7C10, 0x5000,
},
{
// Dark Night
0x4008, 0x4000, 0x2000, 0x2008, 0x4008, 0x4000, 0x2000, 0x2008,
},
{
// Green Forest
0x43F0, 0x03E0, 0x4200, 0x2200, 0x43F0, 0x03E0, 0x4200, 0x2200,
},
{
// Hot Desert
0x43FF, 0x03FF, 0x221F, 0x021F, 0x43FF, 0x03FF, 0x221F, 0x021F,
},
{
// Pink Dreams
0x621F, 0x7E1F, 0x7C1F, 0x2010, 0x621F, 0x7E1F, 0x7C1F, 0x2010,
},
{
// Weird Colors
0x621F, 0x401F, 0x001F, 0x2010, 0x621F, 0x401F, 0x001F, 0x2010,
},
{
// Real GB Colors
0x1B8E, 0x02C0, 0x0DA0, 0x1140, 0x1B8E, 0x02C0, 0x0DA0, 0x1140,
},
{
// Real 'GB on GBASP' Colors
0x7BDE, /*0x23F0*/ 0x5778, /*0x5DC0*/ 0x5640, 0x0000, 0x7BDE, /*0x3678*/ 0x529C, /*0x0980*/ 0x2990, 0x0000,
}
};
static void set_gbPalette(void)
{
const uint16_t *pal = defaultGBPalettes[current_gbPalette];
if (gbCgbMode || gbSgbMode)
return;
for (int i = 0; i < 8; i++)
gbPalette[i] = pal[i];
}
extern int gbRomType; // gets type from header 0x147
extern int gbBattery; // enabled when gbRamSize != 0
@ -467,6 +518,7 @@ void retro_set_environment(retro_environment_t cb)
{ "vbam_soundinterpolation", "Sound Interpolation; enabled|disabled" },
{ "vbam_soundfiltering", "Sound Filtering; 5|6|7|8|9|10|0|1|2|3|4" },
{ "vbam_gbHardware", "(GB) Emulated Hardware; Game Boy Color|Automatic|Super Game Boy|Game Boy|Game Boy Advance|Super Game Boy 2" },
{ "vbam_palettes", "(GB) Color Palette; Standard|Blue Sea|Dark Knight|Green Forest|Hot Desert|Pink Dreams|Wierd Colors|Original|GBA SP" },
{ "vbam_showborders", "(GB) Show Borders; disabled|enabled|auto" },
{ "vbam_turboenable", "Enable Turbo Buttons; disabled|enabled" },
{ "vbam_turbodelay", "Turbo Delay (in frames); 3|4|5|6|7|8|9|10|11|12|13|14|15|1|2" },
@ -906,6 +958,8 @@ void retro_reset(void)
int tmp = eepromSize;
core->emuReset();
eepromSize = tmp;
set_gbPalette();
}
#define MAX_PLAYERS 4
@ -1112,6 +1166,35 @@ static void update_variables(bool startup)
swap_astick = (bool)(!strcmp(var.value, "enabled"));
}
var.key = "vbam_palettes";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
int lastpal = current_gbPalette;
if (!strcmp(var.value, "Standard"))
current_gbPalette = 0;
else if (!strcmp(var.value, "Blue Sea"))
current_gbPalette = 1;
else if (!strcmp(var.value, "Dark Knight"))
current_gbPalette = 2;
else if (!strcmp(var.value, "Green Forest"))
current_gbPalette = 3;
else if (!strcmp(var.value, "Hot Desert"))
current_gbPalette = 4;
else if (!strcmp(var.value, "Pink Dreams"))
current_gbPalette = 5;
else if (!strcmp(var.value, "Wierd Colors"))
current_gbPalette = 6;
else if (!strcmp(var.value, "Original"))
current_gbPalette = 7;
else if (!strcmp(var.value, "GBA SP"))
current_gbPalette = 8;
if (lastpal != current_gbPalette)
set_gbPalette();
}
}
// System analog stick range is -0x7fff to 0x7fff