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https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-09-10 16:53:15 +02:00
Add more runtime options - blargg NTSC filter options - monochrome/composite/svideo/rgb -
gg_extra / overscan
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parent
fad92cea92
commit
d8af16f193
@ -41,7 +41,9 @@ void retro_set_environment(retro_environment_t cb)
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environ_cb = cb;
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static const struct retro_variable vars[] = {
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{ "blargg_ntsc_filter", "Blargg NTSC filter; disabled|enabled" },
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{ "blargg_ntsc_filter", "Blargg NTSC filter; disabled|monochrome|composite|svideo|rgb" },
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{ "overscan", "Overscan mode; 0|1|2|3" },
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{ "gg_extra", "Game Gear extended screen; disabled|enabled" },
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{ NULL, NULL },
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};
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@ -847,18 +849,85 @@ static bool LoadFile(char * filename)
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static void check_variables(void)
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{
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bool update_viewports = false;
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static bool last_ntsc_val_same;
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struct retro_variable var = {0};
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var.key = "blargg_ntsc_filter";
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
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{
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unsigned orig_value = config.ntsc;
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update_viewports = true;
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if (strcmp(var.value, "disabled") == 0)
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config.ntsc = 0;
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else if (strcmp(var.value, "enabled") == 0)
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else if (strcmp(var.value, "monochrome") == 0)
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{
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config.ntsc = 1;
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sms_ntsc_init(sms_ntsc, &sms_ntsc_monochrome);
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md_ntsc_init(md_ntsc, &md_ntsc_monochrome);
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}
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else if (strcmp(var.value, "composite") == 0)
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{
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config.ntsc = 1;
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sms_ntsc_init(sms_ntsc, &sms_ntsc_composite);
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md_ntsc_init(md_ntsc, &md_ntsc_composite);
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}
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else if (strcmp(var.value, "svideo") == 0)
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{
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config.ntsc = 1;
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sms_ntsc_init(sms_ntsc, &sms_ntsc_svideo);
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md_ntsc_init(md_ntsc, &md_ntsc_svideo);
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}
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else if (strcmp(var.value, "rgb") == 0)
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{
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config.ntsc = 1;
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sms_ntsc_init(sms_ntsc, &sms_ntsc_rgb);
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md_ntsc_init(md_ntsc, &md_ntsc_rgb);
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}
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retro_set_viewport_dimensions();
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if (orig_value != config.ntsc)
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update_viewports = true;
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}
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var.key = "overscan";
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
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{
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unsigned orig_value = config.overscan;
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if (strcmp(var.value, "0") == 0)
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config.overscan = 0;
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else if (strcmp(var.value, "1") == 0)
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config.overscan = 1;
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else if (strcmp(var.value, "2") == 0)
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config.overscan = 2;
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else if (strcmp(var.value, "3") == 0)
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config.overscan = 3;
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if (orig_value != config.overscan)
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update_viewports = true;
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}
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var.key = "gg_extra";
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var))
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{
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unsigned orig_value = config.gg_extra;
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if (strcmp(var.value, "disabled") == 0)
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config.gg_extra = 0;
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else if (strcmp(var.value, "enabled") == 0)
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config.gg_extra = 1;
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if (orig_value != config.gg_extra)
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update_viewports = true;
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}
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if (update_viewports)
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retro_set_viewport_dimensions();
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}
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bool retro_load_game(const struct retro_game_info *info)
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@ -990,8 +1059,6 @@ void retro_init(void)
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unsigned level, rgb565;
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sms_ntsc = calloc(1, sizeof(sms_ntsc_t));
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md_ntsc = calloc(1, sizeof(md_ntsc_t));
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sms_ntsc_init(sms_ntsc, &sms_ntsc_composite);
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md_ntsc_init(md_ntsc, &md_ntsc_composite);
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level = 1;
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environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
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