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add layout core option

This commit is contained in:
radius 2018-01-31 21:13:44 -05:00
parent b573fbcdc4
commit 52634b8023
1 changed files with 25 additions and 9 deletions
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34
libretro/libretro.c
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@ -45,7 +45,11 @@ enum model {
static enum model model = MODEL_AUTO;
static enum model auto_model = MODEL_CGB;
static uint32_t *frame_buf;
enum layout {
LAYOUT_TOP_DOWN,
LAYOUT_LEFT_RIGHT
};
static uint32_t *frame_buf = NULL;
static struct retro_log_callback logging;
@ -56,7 +60,8 @@ static retro_audio_sample_batch_t audio_batch_cb;
static retro_input_poll_t input_poll_cb;
static retro_input_state_t input_state_cb;
static unsigned emulated_gbs = 2;
static unsigned emulated_devices = 2;
static unsigned layout = 0;
signed short soundbuf[1024 * 2];
@ -242,7 +247,7 @@ void retro_set_video_refresh(retro_video_refresh_t cb)
void retro_reset(void)
{
for (int i = 0; i < emulated_gbs; i++)
for (int i = 0; i < emulated_devices; i++)
GB_reset(&gb[i]);
}
@ -280,7 +285,7 @@ static void init_for_current_model(void)
effective_model = auto_model;
}
for (i = 0; i < emulated_gbs; i++)
for (i = 0; i < emulated_devices; i++)
{
if (GB_is_inited(&gb[i]))
GB_switch_model_and_reset(&gb1, effective_model != MODEL_DMG);
@ -302,7 +307,7 @@ static void init_for_current_model(void)
snprintf(buf, sizeof(buf), "%s%c%s_boot.bin", retro_system_directory, slash, model_name);
log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf);
for (i = 0; i < emulated_gbs; i++)
for (i = 0; i < emulated_devices; i++)
{
if (GB_load_boot_rom(&gb[i], buf))
GB_load_boot_rom_from_buffer(&gb[i], boot_code, boot_length);
@ -446,9 +451,19 @@ static void check_variables(void)
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "enabled") == 0)
emulated_gbs = 2;
emulated_devices = 2;
else
emulated_gbs = 2;
emulated_devices = 2;
}
var.key = "sameboy_link_layout";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "top-down") == 0)
layout = LAYOUT_TOP_DOWN;
else
layout = LAYOUT_LEFT_RIGHT;
}
}
@ -504,7 +519,7 @@ bool retro_load_game(const struct retro_game_info *info)
auto_model = (info->path[strlen(info->path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG;
init_for_current_model();
for (int i = 0; i < emulated_gbs; i++)
for (int i = 0; i < emulated_devices; i++)
{
if (GB_load_rom(&gb[i],info->path))
{
@ -527,6 +542,7 @@ bool retro_load_game(const struct retro_game_info *info)
{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated Model; Auto|Game Boy|Game Boy Color|Game Boy Advance" },
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ NULL }
};
@ -538,7 +554,7 @@ bool retro_load_game(const struct retro_game_info *info)
void retro_unload_game(void)
{
for (int i = 0; i < emulated_gbs; i++)
for (int i = 0; i < emulated_devices; i++)
GB_free(&gb[i]);
}