diff options
Diffstat (limited to 'libretro.c')
| -rw-r--r-- | libretro.c | 143 |
1 files changed, 1 insertions, 142 deletions
@@ -12,25 +12,6 @@ #include "cpuexec.h" #include "spc7110.h" -#ifdef PSP -#include <psptypes.h> -#else -#ifndef PSP_LEGACY_TYPES_DEFINED -#define PSP_LEGACY_TYPES_DEFINED -typedef uint8_t u8; -typedef uint16_t u16; - -typedef uint32_t u32; -typedef uint64_t u64; - -typedef int8_t s8; -typedef int16_t s16; - -typedef int32_t s32; -typedef int64_t s64; -#endif -#endif - #include <libretro.h> static retro_log_printf_t log_cb = NULL; @@ -89,25 +70,6 @@ unsigned retro_api_version() return RETRO_API_VERSION; } - - -void S9xProcessSound(unsigned int samples); - -char* rom_filename = NULL; -char* SDD1_pack = NULL; - -/* - * It is only safe to manipulate saved states between frames. - */ -static bool8 LoadStateNeeded = FALSE; -static bool8 SaveStateNeeded = FALSE; - -static u8 Buf[MAX_BUFFER_SIZE]; - -#define FIXED_POINT 0x10000 -#define FIXED_POINT_SHIFT 16 -#define FIXED_POINT_REMAINDER 0xffff - void S9xMessage(int type, int number, const char* message) { #if 1 @@ -122,14 +84,6 @@ void S9xMessage(int type, int number, const char* message) #endif } -void S9xExtraUsage() -{ - /*empty*/ -} - -/* -* Release display device -*/ void S9xDeinitDisplay(void) { #ifdef DS2_DMA @@ -416,8 +370,6 @@ int load_gamepak(const char* file) return 0; } -void sfc_main(void); - void retro_init(void) { struct retro_log_callback log; @@ -488,7 +440,7 @@ void retro_run(void) S9xMainLoop(); - static s16 audio_buf[534 << 1]; + static int16_t audio_buf[534 << 1]; S9xMixSamples((uint8*)audio_buf, 534 << 1); audio_batch_cb(audio_buf, 534); @@ -509,16 +461,6 @@ void retro_run(void) } -static unsigned int sync_last = 0; -static unsigned int sync_next = 0; - -static unsigned int skip_rate = 0; - -void S9xSyncSpeed() -{ -} - - void S9xGenerateSound() { // static s16 audio_buf[855 << 1]; @@ -529,95 +471,12 @@ void S9xGenerateSound() } -void S9xGenerateSound0() -{ - int bytes_so_far = so.samples_mixed_so_far << 1; - - if (bytes_so_far >= so.buffer_size) - return; - - so.err_counter += so.err_rate; - if (so.err_counter >= FIXED_POINT) - { - // Write this many samples overall - int samples_to_write = so.err_counter >> FIXED_POINT_SHIFT; - samples_to_write <<= 1; - int byte_offset = (bytes_so_far + so.play_position) & SOUND_BUFFER_SIZE_MASK; - - so.err_counter &= FIXED_POINT_REMAINDER; - - do - { - int bytes_this_run = samples_to_write; - bytes_this_run <<= 1; - - if (byte_offset + bytes_this_run > SOUND_BUFFER_SIZE) - bytes_this_run = SOUND_BUFFER_SIZE - byte_offset; - - if (bytes_so_far + bytes_this_run > so.buffer_size) - { - bytes_this_run = so.buffer_size - bytes_so_far; - if (bytes_this_run == 0) - break; - } - - int samples_this_run = bytes_this_run; - samples_this_run >>= 1; - - S9xMixSamples(Buf + byte_offset, samples_this_run); - so.samples_mixed_so_far += samples_this_run; - samples_to_write -= samples_this_run; - bytes_so_far += samples_this_run << 1; - byte_offset = (byte_offset + bytes_this_run) & SOUND_BUFFER_SIZE_MASK; - } - while (samples_to_write > 0); - } -} - void S9xProcessSound(unsigned int samples) { } -/* -const unsigned int keymap[12] = { - 0x80, //KEY_A - 0x8000, //KEY_B - 0x2000, //KEY_SELECT - 0x1000, //KEY_START - 0x100, //KEY_RIGHT - 0x200, //KEY_LEFT - 0x800, //KEY_UP - 0x400, //KEY_DOWN - 0x10, //KEY_R - 0x20, //KEY_L - 0x40, //KEY_X - 0x4000 //KEY_Y - }; -*/ - -#ifdef ACCUMULATE_JOYPAD -// These are kept as DS key bitfields until it's time to send them to Snes9x. -static uint32 PreviousControls = 0x00000000; -static uint32 ControlsPressed = 0x00000000; -static uint32 ControlsReleased = 0x00000000; - -void NDSSFCAccumulateJoypad() -{ - struct key_buf inputdata; - ds2_getrawInput(&inputdata); - - ControlsPressed |= inputdata.key & ~PreviousControls; - ControlsReleased |= PreviousControls & ~inputdata.key; -} -#endif // ACCUMULATE_JOYPAD - -static int S9xCompareSDD1IndexEntries(const void* p1, const void* p2) -{ - return (* (uint32*) p1 - * (uint32*) p2); -} - void S9xLoadSDD1Data() { |