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Added automatic model selection for the libretro port.

This commit is contained in:
Lior Halphon 2018-01-27 21:46:13 +02:00
parent 2bda598ac6
commit bc55531204
1 changed files with 21 additions and 9 deletions
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30
libretro/libretro.c
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@ -34,11 +34,12 @@ char symbols_path[512];
enum model {
MODEL_DMG,
MODEL_CGB,
MODEL_AGB
MODEL_AGB,
MODEL_AUTO
};
static enum model model = MODEL_CGB;
static enum model model = MODEL_AUTO;
static enum model auto_model = MODEL_CGB;
static uint32_t *frame_buf;
static struct retro_log_callback logging;
static retro_log_printf_t log_cb;
@ -228,20 +229,24 @@ void retro_reset(void)
static void init_for_current_model(void)
{
enum model effective_model = model;
if (effective_model == MODEL_AUTO) {
effective_model = auto_model;
}
if (GB_is_inited(&gb)) {
GB_switch_model_and_reset(&gb, model != MODEL_DMG);
GB_switch_model_and_reset(&gb, effective_model != MODEL_DMG);
}
else {
if (model == MODEL_DMG) {
if (effective_model == MODEL_DMG) {
GB_init(&gb);
}
else {
GB_init_cgb(&gb);
}
}
const char *model_name = (const char *[]){"dmg", "cgb", "agb"}[model];
const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot}[model];
unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length}[model];
const char *model_name = (const char *[]){"dmg", "cgb", "agb"}[effective_model];
const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot}[effective_model];
unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length}[effective_model];
char buf[256];
snprintf(buf, sizeof(buf), "%s%c%s_boot.bin", retro_system_directory, slash, model_name);
@ -339,10 +344,15 @@ static void check_variables(void)
new_model = MODEL_CGB;
else if (strcmp(var.value, "Game Boy Advance") == 0)
new_model = MODEL_AGB;
else if (strcmp(var.value, "Auto") == 0)
new_model = MODEL_AUTO;
if (GB_is_inited(&gb) && new_model != model) {
model = new_model;
init_for_current_model();
}
else {
model = new_model;
}
}
}
@ -388,6 +398,8 @@ bool retro_load_game(const struct retro_game_info *info)
return false;
}
auto_model = (info->path[strlen(info->path) - 1] & ~0x20) == 'c' ? MODEL_CGB : MODEL_DMG;
bool yes = true;
environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes);
@ -399,7 +411,7 @@ bool retro_load_game(const struct retro_game_info *info)
static const struct retro_variable vars[] = {
{ "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated Model; Game Boy Color|Game Boy Advance|Game Boy" },
{ "sameboy_model", "Emulated Model; Auto|Game Boy|Game Boy Color|Game Boy Advance" },
{ NULL }
};