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Add core option Swap Duty Cycles

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This commit is contained in:
retro-wertz
2017-10-05 14:43:20 +08:00
parent a09d500e7f
commit 2cdf32300b
3 changed files with 38 additions and 8 deletions
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13
src/drivers/libretro/libretro.c
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@@ -84,6 +84,7 @@ static int soundo = 1;
unsigned sndsamplerate = 48000;
unsigned sndquality = 0;
unsigned sndvolume = 150;
unsigned swapDuty = 0;
static volatile int nofocus = 0;
@@ -600,6 +601,7 @@ void retro_set_environment(retro_environment_t cb)
{ "fceumm_region", "Region Override; Auto|NTSC|PAL|Dendy" },
{ "fceumm_sndquality", "Sound Quality; Low|High|Very High" },
{ "fceumm_sndvolume", "Sound Volume; 150|160|170|180|190|200|210|220|230|240|250|0|10|20|30|40|50|60|70|80|90|100|110|120|130|140" },
{ "fceumm_swapduty", "Swap Duty Cyles; disabled|enabled" },
{ "fceumm_zapper_mode", "Zapper Mode; absolute|relative" },
{ "fceumm_show_crosshair", "Show Crosshair; enabled|disabled" },
{ NULL, NULL },
@@ -1071,6 +1073,17 @@ static void check_variables(bool startup)
retro_get_system_av_info(&av_info);
environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &av_info);
}
var.key = "fceumm_swapduty";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
bool newval = (!strcmp(var.value, "enabled"));
if (newval != swapDuty)
{
swapDuty = newval;
}
}
}
static int mzx = 0, mzy = 0, mzb = 0;