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sms, improved mapper support (more, menu option)

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This commit is contained in:
kub 2021-10-28 18:57:09 +02:00
parent 68e7a5c1c0
commit f9ea940fb5
7 changed files with 206 additions and 55 deletions
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23
platform/libretro/libretro.c
View file

@ -1483,6 +1483,29 @@ static void update_variables(bool first_run)
PicoIn.opt &= ~POPT_EN_YM2413;
}
var.value = NULL;
var.key = "picodrive_smsmapper";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
if (strcmp(var.value, "Auto") == 0)
PicoIn.hwSelect = PMS_MAP_AUTO;
else if (strcmp(var.value, "Codemasters") == 0)
PicoIn.hwSelect = PMS_MAP_CODEM;
else if (strcmp(var.value, "Korea") == 0)
PicoIn.hwSelect = PMS_MAP_KOREA;
else if (strcmp(var.value, "Korea MSX") == 0)
PicoIn.hwSelect = PMS_MAP_MSX;
else if (strcmp(var.value, "Korea X-in-1") == 0)
PicoIn.hwSelect = PMS_MAP_N32K;
else if (strcmp(var.value, "Korea 4-Pak") == 0)
PicoIn.hwSelect = PMS_MAP_N16K;
else if (strcmp(var.value, "Korea Janggun") == 0)
PicoIn.hwSelect = PMS_MAP_JANGGUN;
else if (strcmp(var.value, "Korea Nemesis") == 0)
PicoIn.hwSelect = PMS_MAP_NEMESIS;
else
PicoIn.hwSelect = PMS_MAP_SEGA;
}
OldPicoRegionOverride = PicoIn.regionOverride;
var.value = NULL;
var.key = "picodrive_region";

20
platform/libretro/libretro_core_options.h
View file

@ -84,6 +84,7 @@ struct retro_core_option_definition option_defs_us[] = {
},
"disabled"
},
{
"picodrive_smstype",
"Master System type",
"Choose which type of system the core should emulate for Master system",
@ -94,6 +95,7 @@ struct retro_core_option_definition option_defs_us[] = {
{ NULL, NULL },
},
"Auto"
},
{
"picodrive_smsfm",
"Master System FM sound unit",
@ -105,6 +107,24 @@ struct retro_core_option_definition option_defs_us[] = {
},
"off"
},
{
"picodrive_smsmapper",
"Master System ROM mapping",
"Choose which ROM mapper the core should apply. Auto will work for a wide range, but in some cases automatic detection fails.",
{
{ "Auto", NULL },
{ "Sega", NULL },
{ "Codemasters", NULL },
{ "Korea", NULL },
{ "Korea MSX", NULL },
{ "Korea X-in-1", NULL },
{ "Korea 4-Pak", NULL },
{ "Korea Janggun", NULL },
{ "Korea Nemesis", NULL },
{ NULL, NULL },
},
"Auto"
},
{
"picodrive_region",
"Region",