diff options
Diffstat (limited to 'libretro.c')
| -rw-r--r-- | libretro.c | 18 |
1 files changed, 17 insertions, 1 deletions
@@ -37,6 +37,8 @@ static retro_audio_sample_batch_t audio_batch_cb = NULL; static retro_environment_t environ_cb = NULL; struct retro_perf_callback perf_cb; +static bool libretro_supports_bitmasks = false; + char retro_save_directory[PATH_MAX_LENGTH]; char retro_base_name[PATH_MAX_LENGTH]; bool overclock_cycles = false; @@ -322,6 +324,9 @@ void retro_init(void) S9xInitSound(); #endif CPU.SaveStateVersion = 0; + + if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL)) + libretro_supports_bitmasks = true; } void retro_deinit(void) @@ -337,6 +342,8 @@ void retro_deinit(void) #ifdef PERF_TEST perf_cb.perf_log(); #endif + + libretro_supports_bitmasks = false; } uint32_t S9xReadJoypad(int32_t port) @@ -359,9 +366,18 @@ uint32_t S9xReadJoypad(int32_t port) int32_t i; uint32_t joypad = 0; + uint32_t joy_bits = 0; + + if (libretro_supports_bitmasks) + joy_bits = input_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_MASK); + else + { + for (i = 0; i < (RETRO_DEVICE_ID_JOYPAD_R3+1); i++) + joy_bits |= input_cb(port, RETRO_DEVICE_JOYPAD, 0, i) ? (1 << i) : 0; + } for (i = RETRO_DEVICE_ID_JOYPAD_B; i <= RETRO_DEVICE_ID_JOYPAD_R; i++) - if (input_cb(port, RETRO_DEVICE_JOYPAD, 0, i)) + if (joy_bits & (1 << i)) joypad |= snes_lut[i]; return joypad; |