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add core option to enable/disable turbo buttons

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This commit is contained in:
hunterk
2017-02-16 20:30:24 -06:00
parent 5a27aa3374
commit c2a21a1783
1 changed files with 74 additions and 47 deletions
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121
src/drivers/libretro/libretro.c
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@@ -42,6 +42,7 @@ static retro_environment_t environ_cb = NULL;
static bool use_overscan;
static bool use_raw_palette;
static bool use_par;
int turbo_enabler;
/* emulator-specific variables */
@@ -130,7 +131,7 @@ void FCEUD_SetPalette(unsigned char index, unsigned char r, unsigned char g, uns
#ifdef FRONTEND_SUPPORTS_RGB565
retro_palette[index] = BUILD_PIXEL_RGB565(r >> RED_EXPAND, g >> GREEN_EXPAND, b >> BLUE_EXPAND);
#else
retro_palette[index] =
retro_palette[index] =
((r >> RED_EXPAND) << RED_SHIFT) | ((g >> GREEN_EXPAND) << GREEN_SHIFT) | ((b >> BLUE_EXPAND) << BLUE_SHIFT);
#endif
}
@@ -682,6 +683,7 @@ void retro_set_environment(retro_environment_t cb)
{ "fceumm_nospritelimit", "No Sprite Limit; disabled|enabled" },
{ "fceumm_overclocking", "Overclocking; disabled|2x" },
{ "fceumm_overscan", "Crop Overscan; enabled|disabled" },
{ "fceumm_turbo_enable", "Turbo Enable; None|Player 1|Player 2|Both" },
{ "fceumm_aspect", "Preferred aspect ratio; 8:7 PAR|4:3" },
{ NULL, NULL },
};
@@ -941,6 +943,28 @@ static void check_variables(bool startup)
}
}
var.key = "fceumm_turbo_enable";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (!strcmp(var.value, "None"))
{
turbo_enabler = 0;
}
else if (!strcmp(var.value, "Player 1"))
{
turbo_enabler = 1;
}
else if (!strcmp(var.value, "Player 2"))
{
turbo_enabler = 2;
}
else if (!strcmp(var.value, "Both"))
{
turbo_enabler = 3;
}
}
var.key = "fceumm_aspect";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
@@ -978,7 +1002,6 @@ unsigned char turbo_p1_toggle[] = {0,0};
* the slower the frequency i.e. wait time
* between turbo repeats increases
*/
#define TURBO_DELAY 3
static void FCEUD_UpdateInput(void)
@@ -1008,50 +1031,54 @@ static void FCEUD_UpdateInput(void)
* depending on whether the delay value has
* been reached.
*/
// Handle turbo buttons - player 1
for ( i = 8; i < 10; i++) {
if(input_cb(0, RETRO_DEVICE_JOYPAD, 0, bindmap[i].retro)) {
if (turbo_p0_toggle[i-8] == 0) {
pad[0] |= bindmap[i].nes;
}
turbo_p0_toggle[i-8]++;
if (turbo_p0_toggle[i-8] > TURBO_DELAY) {
// Reset the toggle if
// delay value is reached
turbo_p0_toggle[i-8] = 0;
}
} else {
// If the button is not pressed, just reset the toggle
turbo_p0_toggle[i-8] = 0;
if (turbo_enabler == 1 || turbo_enabler == 3)
{
// Handle turbo buttons - player 1
for ( i = 8; i < 10; i++) {
if(input_cb(0, RETRO_DEVICE_JOYPAD, 0, bindmap[i].retro)) {
if (turbo_p0_toggle[i-8] == 0) {
pad[0] |= bindmap[i].nes;
}
turbo_p0_toggle[i-8]++;
if (turbo_p0_toggle[i-8] > TURBO_DELAY) {
// Reset the toggle if
// delay value is reached
turbo_p0_toggle[i-8] = 0;
}
} else {
// If the button is not pressed, just reset the toggle
turbo_p0_toggle[i-8] = 0;
}
}
}
}
// Handle turbo buttons - player 2
for ( i = 8; i < 10; i++) {
if(input_cb(1, RETRO_DEVICE_JOYPAD, 0, bindmap[i].retro)) {
if (turbo_p1_toggle[i-8] == 0) {
pad[1] |= bindmap[i].nes;
}
turbo_p1_toggle[i-8]++;
if (turbo_p1_toggle[i-8] > TURBO_DELAY) {
// Reset the toggle if
// delay value is reached
turbo_p1_toggle[i-8] = 0;
}
} else {
// If the button is not pressed, just reset the toggle
turbo_p1_toggle[i-8] = 0;
if (turbo_enabler == 2 || turbo_enabler == 3)
{
// Handle turbo buttons - player 2
for ( i = 8; i < 10; i++) {
if(input_cb(1, RETRO_DEVICE_JOYPAD, 0, bindmap[i].retro)) {
if (turbo_p1_toggle[i-8] == 0) {
pad[1] |= bindmap[i].nes;
}
turbo_p1_toggle[i-8]++;
if (turbo_p1_toggle[i-8] > TURBO_DELAY) {
// Reset the toggle if
// delay value is reached
turbo_p1_toggle[i-8] = 0;
}
} else {
// If the button is not pressed, just reset the toggle
turbo_p1_toggle[i-8] = 0;
}
}
}
}
JSReturn[0] = pad[0] | (pad[1] << 8);
if (input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2))
{
FCEU_VSUniCoin(); /* Insert Coin VS System */
}
if (GameInfo->type == GIT_FDS) /* Famicom Disk System */
{
bool curL = input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L);
@@ -1068,7 +1095,7 @@ static void FCEUD_UpdateInput(void)
{
FCEU_FDSInsert(-1); /* Insert or eject the disk */
}
prevR = curR;
prevR = curR;
}
}
@@ -1153,7 +1180,7 @@ static void retro_run_blit(uint8_t *gfx)
}
else
{
for (y = 0; y < height; y++, gfx += incr)
for (y = 0; y < height; y++, gfx += incr)
for ( x = 0; x < width; x++, gfx++)
fceu_video_out_ptr[y * width + x] = retro_palette[*gfx];
}
@@ -1257,7 +1284,7 @@ typedef struct cartridge_db
uint32_t crc;
} cartridge_db_t;
static const struct cartridge_db fourscore_db_list[] =
static const struct cartridge_db fourscore_db_list[] =
{
{
"Bomberman II (USA)",
@@ -1274,16 +1301,16 @@ static const struct cartridge_db fourscore_db_list[] =
0xf99e37eb
},
#if 0
{
{
"Crash 'n' the Boys - Street Challenge (USA)",
0xc7f0c457
},
#endif
{
"Four Players' Tennis (Europe)",
0x48b8ee58
0x48b8ee58
},
{
{
"Danny Sullivan's Indy Heat (Europe)",
0x27ca0679,
},
@@ -1441,7 +1468,7 @@ static const struct cartridge_db fourscore_db_list[] =
}
};
static const struct cartridge_db famicom_4p_db_list[] =
static const struct cartridge_db famicom_4p_db_list[] =
{
{
"Bakutoushi Patton-Kun (Japan) (FDS)",
@@ -1685,7 +1712,7 @@ void *retro_get_memory_data(unsigned type)
data = NULL;
break;
}
return data;
}
@@ -1712,6 +1739,6 @@ size_t retro_get_memory_size(unsigned type)
size = 0;
break;
}
return size;
}