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Cleanup (#248)

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* Silence some clang warnings

* Cleanup input and turbo functions

* Update apu pulse' swap duty cycle
This commit is contained in:
retro-wertz
2018-12-23 22:46:17 +08:00
committed by hizzlekizzle
parent a44a9b5be1
commit b6c251b7b2
3 changed files with 63 additions and 42 deletions
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85
src/drivers/libretro/libretro.c
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@@ -628,6 +628,8 @@ static unsigned nes_to_libretro(int d)
case SI_ARKANOID:
return RETRO_DEVICE_ARKANOID;
}
return (RETRO_DEVICE_GAMEPAD);
}
static unsigned fc_to_libretro(int d)
@@ -646,6 +648,8 @@ static unsigned fc_to_libretro(int d)
case SIFC_4PLAYER:
return RETRO_DEVICE_FC_4PLAYERS;
}
return (RETRO_DEVICE_NONE);
}
void retro_set_controller_port_device(unsigned port, unsigned device)
@@ -978,6 +982,9 @@ static const keymap bindmap[] = {
{ RETRO_DEVICE_ID_JOYPAD_DOWN, JOY_DOWN },
{ RETRO_DEVICE_ID_JOYPAD_LEFT, JOY_LEFT },
{ RETRO_DEVICE_ID_JOYPAD_RIGHT, JOY_RIGHT },
};
static const keymap turbomap[] = {
{ RETRO_DEVICE_ID_JOYPAD_X, JOY_A },
{ RETRO_DEVICE_ID_JOYPAD_Y, JOY_B },
};
@@ -1168,13 +1175,19 @@ static void check_variables(bool startup)
{
unsigned i;
for (i = 0; i < MAX_PLAYERS; i++)
turbo_enabler[i] = 0;
turbo_enabler[0] = 0;
turbo_enabler[1] = 0;
if (!strcmp(var.value, "Player 1"))
{
turbo_enabler[0] = 1;
turbo_enabler[1] = 0;
}
else if (!strcmp(var.value, "Player 2"))
{
turbo_enabler[0] = 0;
turbo_enabler[1] = 1;
}
else if (!strcmp(var.value, "Both"))
{
turbo_enabler[0] = 1;
@@ -1363,12 +1376,13 @@ void get_mouse_input(unsigned port, uint32_t *zapdata)
* each player
*/
#define MAX_BUTTONS 8
#define TURBO_BUTTONS 2
unsigned char turbo_button_toggle[MAX_PLAYERS][TURBO_BUTTONS] = { {0} };
static void FCEUD_UpdateInput(void)
{
unsigned player, port, i;
unsigned player, port;
poll_cb();
@@ -1377,41 +1391,43 @@ static void FCEUD_UpdateInput(void)
/* nes gamepad */
for (player = 0; player < MAX_PLAYERS; player++)
{
uint8_t input_buf = 0;
bool player_enabled = (input_type[player] == RETRO_DEVICE_GAMEPAD);
int i = 0;
uint8_t input_buf = 0;
int player_enabled = (input_type[player] == RETRO_DEVICE_GAMEPAD);
for (i = 0; i < 8; i++)
input_buf |= (player_enabled && input_cb(player, RETRO_DEVICE_JOYPAD, 0,
bindmap[i].retro)) ? bindmap[i].nes : 0;
/* Turbo A and Turbo B buttons are
* mapped to Joypad X and Joypad Y
* in RetroArch joypad.
*
* We achieve this by keeping track of
* the number of times it increments
* the toggle counter and fire or not fire
* depending on whether the delay value has
* been reached.
*/
if (turbo_enabler[player] == 1 && player_enabled)
if (player_enabled)
{
/* Handle Turbo A & B buttons */
for (i = 8; i < 10; i++)
for (i = 0; i < MAX_BUTTONS; i++)
input_buf |= input_cb(player, RETRO_DEVICE_JOYPAD, 0,
bindmap[i].retro) ? bindmap[i].nes : 0;
/* Turbo A and Turbo B buttons are
* mapped to Joypad X and Joypad Y
* in RetroArch joypad.
*
* We achieve this by keeping track of
* the number of times it increments
* the toggle counter and fire or not fire
* depending on whether the delay value has
* been reached.
*/
if (turbo_enabler[player])
{
if (input_cb(player, RETRO_DEVICE_JOYPAD, 0, bindmap[i].retro))
/* Handle Turbo A & B buttons */
for (i = 0; i < TURBO_BUTTONS; i++)
{
if (turbo_button_toggle[player][i-8] == 0)
input_buf |= bindmap[i].nes;
turbo_button_toggle[player][i-8]++;
if (turbo_button_toggle[player][i-8] > turbo_delay)
/* Reset the toggle if delay value is reached */
turbo_button_toggle[player][i-8] = 0;
if (input_cb(player, RETRO_DEVICE_JOYPAD, 0, turbomap[i].retro))
{
if (!turbo_button_toggle[player][i])
input_buf |= turbomap[i].nes;
turbo_button_toggle[player][i]++;
turbo_button_toggle[player][i] %= turbo_delay + 1;
}
else
/* If the button is not pressed, just reset the toggle */
turbo_button_toggle[player][i] = 0;
}
else
/* If the button is not pressed, just reset the toggle */
turbo_button_toggle[player][i-8] = 0;
}
}
@@ -1426,7 +1442,6 @@ static void FCEUD_UpdateInput(void)
}
JSReturn |= (input_buf & 0xff) << (player << 3);
}
/* other inputs*/
@@ -2017,7 +2032,7 @@ bool retro_load_game(const struct retro_game_info *game)
external_palette_exist = ipalette;
if (external_palette_exist)
FCEU_printf("Loading custom palette: %s%cnes.pal\n", dir, slash);
FCEU_printf(" Loading custom palette: %s%cnes.pal\n", dir, slash);
is_PAL = retro_get_region(); /* Save current loaded region info */