Max/SameBoy
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readd single game link cable

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radius 2018-02-03 15:16:36 -05:00
parent f98b71a257
commit 0b96df1428
1 changed files with 19 additions and 2 deletions
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21
libretro/libretro.c
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@ -79,6 +79,7 @@ static unsigned screen_layout = 0;
static unsigned audio_out = 0;
static bool geometry_updated = false;
static bool link_single = false;
signed short soundbuf[1024 * 2];
@ -189,7 +190,7 @@ static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
static retro_environment_t environ_cb;
static const struct retro_variable vars[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link", "Single Game Link Cable (restart); disabled|enabled" },
{ "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" },
@ -197,7 +198,7 @@ static const struct retro_variable vars[] = {
};
static const struct retro_variable vars_link_single[] = {
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link", "Single Game Link Cable (restart); disabled|enabled" },
{ "sameboy_screen_layout", "Screen Layout; top-down|left-right" },
{ "sameboy_audio_output", "Audio output; Game Boy #1|Game Boy #2" },
{ "sameboy_model_1", "Emulated Model for Game Boy #1; Game Boy Color|Game Boy Advance|Game Boy" },
@ -500,6 +501,16 @@ static void check_variables(bool link)
geometry_updated = true;
}
var.key = "sameboy_link";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "enabled") == 0)
link_single = true;
else
link_single = false;
}
var.key = "sameboy_audio_output";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
@ -685,6 +696,12 @@ bool retro_load_game(const struct retro_game_info *info)
{
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
check_variables(false);
if (link_single)
{
emulated_devices = 2;
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_link_single);
check_variables(true);
}
frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));