diff options
Diffstat (limited to 'input.c')
| -rw-r--r-- | input.c | 34 |
1 files changed, 32 insertions, 2 deletions
@@ -19,11 +19,18 @@ #include "common.h" +bool libretro_supports_bitmasks = false; +bool libretro_supports_ff_override = false; +bool libretro_ff_enabled = false; +bool libretro_ff_enabled_prev = false; + static u32 old_key = 0; static retro_input_state_t input_state_cb; void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; } +extern void set_fastforward_override(bool fastforward); + static void trigger_key(u32 key) { u32 p1_cnt = io_registers[REG_P1CNT]; @@ -53,8 +60,24 @@ u32 update_input(void) if (!input_state_cb) return 0; - for (i = 0; i < sizeof(btn_map) / sizeof(map); i++) - new_key |= input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, btn_map[i].retropad) ? btn_map[i].gba : 0; + if (libretro_supports_bitmasks) + { + int16_t ret = input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK); + + for (i = 0; i < sizeof(btn_map) / sizeof(map); i++) + new_key |= (ret & (1 << btn_map[i].retropad)) ? btn_map[i].gba : 0; + + libretro_ff_enabled = libretro_supports_ff_override && + (ret & (1 << RETRO_DEVICE_ID_JOYPAD_R2)); + } + else + { + for (i = 0; i < sizeof(btn_map) / sizeof(map); i++) + new_key |= input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, btn_map[i].retropad) ? btn_map[i].gba : 0; + + libretro_ff_enabled = libretro_supports_ff_override && + input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2); + } if ((new_key | old_key) != old_key) trigger_key(new_key); @@ -62,6 +85,13 @@ u32 update_input(void) old_key = new_key; io_registers[REG_P1] = (~old_key) & 0x3FF; + /* Handle fast forward button */ + if (libretro_ff_enabled != libretro_ff_enabled_prev) + { + set_fastforward_override(libretro_ff_enabled); + libretro_ff_enabled_prev = libretro_ff_enabled; + } + return 0; } |