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Diffstat (limited to 'libretro.c')
-rw-r--r--libretro.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/libretro.c b/libretro.c
index 28db9dd..5dfe0df 100644
--- a/libretro.c
+++ b/libretro.c
@@ -841,6 +841,28 @@ static void check_variables(int started_from_load)
use_libretro_save_method = 0;
}
}
+
+ var.key = "gpsp_turbo_period";
+ var.value = NULL;
+ turbo_period = TURBO_PERIOD_MIN;
+ turbo_pulse_width = TURBO_PULSE_WIDTH_MIN;
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+ {
+ turbo_period = atoi(var.value);
+ turbo_period = (turbo_period < TURBO_PERIOD_MIN) ?
+ TURBO_PERIOD_MIN : turbo_period;
+ turbo_period = (turbo_period > TURBO_PERIOD_MAX) ?
+ TURBO_PERIOD_MAX : turbo_period;
+
+ turbo_pulse_width = turbo_period >> 1;
+ turbo_pulse_width = (turbo_pulse_width < TURBO_PULSE_WIDTH_MIN) ?
+ TURBO_PULSE_WIDTH_MIN : turbo_pulse_width;
+ turbo_pulse_width = (turbo_pulse_width > TURBO_PULSE_WIDTH_MAX) ?
+ TURBO_PULSE_WIDTH_MAX : turbo_pulse_width;
+
+ turbo_a_counter = 0;
+ turbo_b_counter = 0;
+ }
}
static void set_input_descriptors()
@@ -852,6 +874,8 @@ static void set_input_descriptors()
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Turbo B" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Turbo A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
@@ -866,6 +890,8 @@ static void set_input_descriptors()
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Turbo B" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Turbo A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
@@ -980,6 +1006,11 @@ void retro_unload_game(void)
libretro_supports_ff_override = false;
libretro_ff_enabled = false;
libretro_ff_enabled_prev = false;
+
+ turbo_period = TURBO_PERIOD_MIN;
+ turbo_pulse_width = TURBO_PULSE_WIDTH_MIN;
+ turbo_a_counter = 0;
+ turbo_b_counter = 0;
}
unsigned retro_get_region(void)
@@ -1052,9 +1083,8 @@ void retro_run(void)
{
bool updated = false;
- update_input();
-
input_poll_cb();
+ update_input();
/* Check whether current frame should
* be skipped */