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-rw-r--r--libretro/libretro.cpp692
1 files changed, 0 insertions, 692 deletions
diff --git a/libretro/libretro.cpp b/libretro/libretro.cpp
deleted file mode 100644
index 826e3ca..0000000
--- a/libretro/libretro.cpp
+++ /dev/null
@@ -1,692 +0,0 @@
-#include <stdio.h>
-#include <stdint.h>
-#ifndef _MSC_VER
-#include <stdbool.h>
-#include <unistd.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
-
-#include "libretro.h"
-#include "memstream.h"
-
-#include "../src/snes9x.h"
-#include "../src/memmap.h"
-#include "../src/cpuexec.h"
-#include "../src/srtc.h"
-#include "../src/apu.h"
-#include "../src/ppu.h"
-#include "../src/snapshot.h"
-#include "../src/soundux.h"
-#include "../src/cheats.h"
-#include "../src/display.h"
-#include "../src/os9x_asm_cpu.h"
-
-#ifdef _3DS
-extern "C" void* linearMemAlign(size_t size, size_t alignment);
-extern "C" void linearFree(void* mem);
-#endif
-
-#define MAP_BUTTON(id, name) S9xMapButton((id), S9xGetCommandT((name)), false)
-#define MAKE_BUTTON(pad, btn) (((pad)<<4)|(btn))
-
-#define BTN_POINTER (RETRO_DEVICE_ID_JOYPAD_R + 1)
-#define BTN_POINTER2 (BTN_POINTER + 1)
-
-static retro_video_refresh_t video_cb = NULL;
-static retro_input_poll_t poll_cb = NULL;
-static retro_input_state_t input_cb = NULL;
-static retro_audio_sample_batch_t audio_batch_cb = NULL;
-static retro_environment_t environ_cb = NULL;
-
-static uint32 joys[5];
-
-bool8 ROMAPUEnabled = 0;
-char currentWorkingDir[MAX_PATH+1] = {0};
-
-memstream_t *s_stream;
-
-int s_open(const char *fname, const char *mode)
-{
- s_stream = memstream_open();
- return TRUE;
-}
-
-int s_read(void *p, int l)
-{
- return memstream_read(s_stream, p, l);
-}
-
-int s_write(void *p, int l)
-{
- return memstream_write(s_stream, p, l);
-}
-
-void s_close()
-{
- memstream_close(s_stream);
-}
-
-int (*statef_open)(const char *fname, const char *mode) = s_open;
-int (*statef_read)(void *p, int l) = s_read;
-int (*statef_write)(void *p, int l) = s_write;
-void (*statef_close)() = s_close;
-
-
-
-void *retro_get_memory_data(unsigned type)
-{
- uint8_t* data;
-
- switch(type)
- {
- case RETRO_MEMORY_SAVE_RAM:
- data = Memory.SRAM;
- break;
- case RETRO_MEMORY_SYSTEM_RAM:
- data = Memory.RAM;
- break;
- case RETRO_MEMORY_VIDEO_RAM:
- data = Memory.VRAM;
- break;
- default:
- data = NULL;
- break;
- }
-
- return data;
-}
-
-size_t retro_get_memory_size(unsigned type)
-{
- unsigned size;
-
- switch(type)
- {
- case RETRO_MEMORY_SAVE_RAM:
- size = (unsigned) (Memory.SRAMSize ? (1 << (Memory.SRAMSize + 3)) * 128 : 0);
- if (size > 0x20000)
- size = 0x20000;
- break;
- /*case RETRO_MEMORY_RTC:
- size = (Settings.SRTC || Settings.SPC7110RTC)?20:0;
- break;*/
- case RETRO_MEMORY_SYSTEM_RAM:
- size = 128 * 1024;
- break;
- case RETRO_MEMORY_VIDEO_RAM:
- size = 64 * 1024;
- break;
- default:
- size = 0;
- break;
- }
-
- return size;
-}
-
-unsigned retro_api_version(void)
-{
- return RETRO_API_VERSION;
-}
-
-void retro_set_video_refresh(retro_video_refresh_t cb)
-{
- video_cb = cb;
-}
-
-void retro_set_audio_sample(retro_audio_sample_t cb)
-{}
-
-void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
-{
- audio_batch_cb = cb;
-}
-
-void retro_set_input_poll(retro_input_poll_t cb)
-{
- poll_cb = cb;
-}
-
-void retro_set_input_state(retro_input_state_t cb)
-{
- input_cb = cb;
-}
-
-static bool use_overscan;
-
-void retro_set_environment(retro_environment_t cb)
-{
- environ_cb = cb;
-}
-
-void retro_get_system_info(struct retro_system_info *info)
-{
- info->need_fullpath = false;
- info->valid_extensions = "smc|fig|sfc|gd3|gd7|dx2|bsx|swc|zip|SMC|FIG|SFC|BSX|GD3|GD7|DX2|SWC|ZIP";
- info->library_version = "7.2.0";
- info->library_name = "PocketSNES";
- info->block_extract = false;
-}
-
-static int16 audio_buf[0x10000];
-static unsigned avail;
-static float samplerate = 32040.5f;
-
-void S9xGenerateSound()
-{
-}
-
-uint32 S9xReadJoypad(int which1)
-{
- if (which1 > 4)
- return 0;
- return joys[which1];
-}
-
-void retro_set_controller_port_device(unsigned in_port, unsigned device)
-{
-}
-
-void retro_get_system_av_info(struct retro_system_av_info *info)
-{
- info->geometry.base_width = SNES_WIDTH;
- info->geometry.base_height = SNES_HEIGHT;
- info->geometry.max_width = 512;
- info->geometry.max_height = 512;
-
- if(PPU.ScreenHeight == SNES_HEIGHT_EXTENDED)
- info->geometry.base_height = SNES_HEIGHT_EXTENDED;
-
- if (!Settings.PAL)
- info->timing.fps = 21477272.0 / 357366.0;
- else
- info->timing.fps = 21281370.0 / 425568.0;
-
- info->timing.sample_rate = samplerate;
- info->geometry.aspect_ratio = 4.0f / 3.0f;
-}
-
-static void snes_init (void)
-{
- memset(&Settings, 0, sizeof(Settings));
- Settings.JoystickEnabled = FALSE;
- Settings.SoundPlaybackRate = samplerate;
- Settings.Stereo = TRUE;
- Settings.SoundBufferSize = 0;
- Settings.CyclesPercentage = 100;
- Settings.DisableSoundEcho = FALSE;
- Settings.APUEnabled = FALSE;
- Settings.H_Max = SNES_CYCLES_PER_SCANLINE;
- Settings.SkipFrames = AUTO_FRAMERATE;
- Settings.Shutdown = Settings.ShutdownMaster = TRUE;
- Settings.FrameTimePAL = 20000;
- Settings.FrameTimeNTSC = 16667;
- Settings.FrameTime = Settings.FrameTimeNTSC;
- Settings.DisableSampleCaching = FALSE;
- Settings.DisableMasterVolume = FALSE;
- Settings.Mouse = FALSE;
- Settings.SuperScope = FALSE;
- Settings.MultiPlayer5 = FALSE;
- // Settings.ControllerOption = SNES_MULTIPLAYER5;
- Settings.ControllerOption = 0;
-
- Settings.ForceTransparency = FALSE;
- Settings.Transparency = TRUE;
- Settings.SixteenBit = TRUE;
-
- Settings.SupportHiRes = FALSE;
- Settings.NetPlay = FALSE;
- Settings.ServerName [0] = 0;
- Settings.AutoSaveDelay = 30;
- Settings.ApplyCheats = TRUE;
- Settings.TurboMode = FALSE;
- Settings.TurboSkipFrames = 15;
- Settings.ThreadSound = FALSE;
- Settings.SoundSync = FALSE;
- Settings.asmspc700 = TRUE;
-// Settings.asmspc700 = FALSE;
- Settings.SpeedHacks = TRUE;
-
- Settings.HBlankStart = (256 * Settings.H_Max) / SNES_HCOUNTER_MAX;
- /*
- Settings.SoundPlaybackRate = 5;
- Settings.Stereo = TRUE;
- Settings.SoundBufferSize = 0;
- Settings.DisableSoundEcho = 0;
- Settings.AltSampleDecode = 0;
- Settings.SoundEnvelopeHeightReading = FALSE;
- Settings.FixFrequency = 0;
- Settings.CyclesPercentage = 100;
- Settings.InterpolatedSound = TRUE;
- Settings.APUEnabled = Settings.NextAPUEnabled = TRUE;
- Settings.SoundMixInterval = 0;
- Settings.H_Max = SNES_CYCLES_PER_SCANLINE;
- Settings.SkipFrames = 10;
- Settings.ShutdownMaster = TRUE;
- Settings.FrameTimePAL = 20000;
- Settings.FrameTimeNTSC = 16667;
- Settings.DisableSampleCaching = FALSE;
- Settings.DisableMasterVolume = FALSE;
- Settings.Mouse = FALSE;
- Settings.SuperScope = FALSE;
- Settings.MultiPlayer5 = FALSE;
- Settings.TurboMode = FALSE;
- Settings.TurboSkipFrames = 40;
- Settings.ControllerOption = SNES_MULTIPLAYER5;
- Settings.Transparency = TRUE;
- Settings.SixteenBit = TRUE;
- Settings.SupportHiRes = TRUE;
- Settings.NetPlay = FALSE;
- Settings.ServerName [0] = 0;
- Settings.ThreadSound = FALSE;
- Settings.AutoSaveDelay = 30;
- Settings.HBlankStart = (256 * Settings.H_Max) / SNES_HCOUNTER_MAX;
- Settings.DisplayFrameRate = FALSE;
- Settings.ReverseStereo = TRUE;
- */
-
- CPU.Flags = 0;
-
- if (!Memory.Init() || !S9xInitAPU())
- {
- Memory.Deinit();
- S9xDeinitAPU();
- fprintf(stderr, "[libsnes]: Failed to init Memory or APU.\n");
- exit(1);
- }
-
- if (!S9xInitSound() || !S9xGraphicsInit()) exit(1);
- //S9xSetSamplesAvailableCallback(S9xAudioCallback);
-
- GFX.Pitch = use_overscan ? 1024 : 2048;
-
- // hack to make sure GFX.Delta is always (2048 * 512 * 2) >> 1, needed for tile16_t.h
-#ifdef _3DS
- GFX.Screen = (uint8 *) linearMemAlign(2048 * 512 * 2 * 2, 0x80);
- memset(GFX.Screen, 0x0, 2048 * 512 * 2 * 2);
-#else
- GFX.Screen = (uint8 *) calloc(1, 2048 * 512 * 2 * 2);
-#endif
- GFX.SubScreen = GFX.Screen + 2048 * 512 * 2;
- GFX.ZBuffer = (uint8 *) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
- GFX.SubZBuffer = (uint8 *) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
- GFX.Delta = 1048576; //(GFX.SubScreen - GFX.Screen) >> 1;
-
- if (GFX.Delta != ((GFX.SubScreen - GFX.Screen) >> 1))
- {
- printf("BAD DELTA! (is %u, should be %u)\n", ((GFX.SubScreen - GFX.Screen) >> 1), GFX.Delta);
- exit(1);
- }
-
- /* controller port 1 */
- //S9xSetController(0, CTL_JOYPAD, 0, 0, 0, 0);
- //retro_devices[0] = RETRO_DEVICE_JOYPAD;
-
- /* controller port 2 */
- //S9xSetController(1, CTL_JOYPAD, 1, 0, 0, 0);
- //retro_devices[1] = RETRO_DEVICE_JOYPAD;
-
- //S9xUnmapAllControls();
- //map_buttons();
-
- //S9xSetSoundMute(FALSE);
-}
-
-void retro_init (void)
-{
- if (!environ_cb(RETRO_ENVIRONMENT_GET_OVERSCAN, &use_overscan))
- use_overscan = FALSE;
-
- snes_init();
-}
-
-/* libsnes uses relative values for analogue devices.
- S9x seems to use absolute values, but do convert these into relative values in the core. (Why?!)
- Hack around it. :) */
-
-void retro_deinit(void)
-{
- S9xDeinitAPU();
- Memory.Deinit();
- S9xGraphicsDeinit();
- //S9xUnmapAllControls();
- if(GFX.Screen)
-#ifdef _3DS
- linearFree(GFX.Screen);
-#else
- free(GFX.Screen);
-#endif
- GFX.Screen = NULL;
-
-}
-
-void retro_reset (void)
-{
- S9xReset();
-}
-
-//static int16_t retro_mouse_state[2][2] = {{0}, {0}};
-//static int16_t retro_scope_state[2] = {0};
-//static int16_t retro_justifier_state[2][2] = {{0}, {0}};
-void S9xSetButton(int i, uint16 b, bool pressed);
-
-static void report_buttons (void)
-{
- int i, j;
- for ( i = 0; i < 5; i++)
- {
- for (j = 0; j <= RETRO_DEVICE_ID_JOYPAD_R; j++)
- {
- if (input_cb(i, RETRO_DEVICE_JOYPAD, 0, j))
- joys[i] |= (1 << (15 - j));
- else
- joys[i] &= ~(1 << (15 - j));
- }
- }
-}
-
-void retro_run (void)
-{
- IPPU.RenderThisFrame = TRUE;
- S9xMainLoop();
-// asm_S9xMainLoop();
- S9xMixSamples(audio_buf, avail);
- audio_batch_cb((int16_t *) audio_buf, avail >> 1);
-
- poll_cb();
-
- report_buttons();
-}
-
-size_t retro_serialize_size (void)
-{
- uint8_t *tmpbuf;
-
- tmpbuf = (uint8_t*)malloc(5000000);
- memstream_set_buffer(tmpbuf, 5000000);
- S9xFreezeGame("");
- free(tmpbuf);
- return memstream_get_last_size();
-}
-
-bool retro_serialize(void *data, size_t size)
-{
- memstream_set_buffer((uint8_t*)data, size);
- if (S9xFreezeGame("") == FALSE)
- return FALSE;
-
- return TRUE;
-}
-
-bool retro_unserialize(const void * data, size_t size)
-{
- memstream_set_buffer((uint8_t*)data, size);
- if (S9xUnfreezeGame("") == FALSE)
- return FALSE;
-
- return TRUE;
-}
-
-void retro_cheat_reset(void)
-{
- S9xDeleteCheats();
-}
-
-void retro_cheat_set(unsigned index, bool enable, const char* in_code)
-{
- // clean input
- char clean_code[strlen(in_code)];
- int i,j =0;
- for (i = 0; i<strlen(in_code); i++)
- {
- switch (in_code[i])
- {
- case 'a': case 'A':
- case 'b': case 'B':
- case 'c': case 'C':
- case 'd': case 'D':
- case 'e': case 'E':
- case 'f': case 'F':
-
- case '-': case '0':
- case '1': case '2': case '3':
- case '4': case '5': case '6':
- case '7': case '8': case '9':
- clean_code[j++]=in_code[i];
- break;
- default:
- break;
- }
- }
- clean_code[j]=0;
- uint32 address;
- uint8 byte;
-
- if ( S9xProActionReplayToRaw(clean_code, address, byte) == NULL)
- S9xAddCheat(true, true, address, byte);
- else if ( S9xGameGenieToRaw(clean_code, address, byte) == NULL)
- S9xAddCheat(true, true, address, byte);
- // else, silently ignore
-}
-
-bool retro_load_game(const struct retro_game_info *game)
-{
- bool8 loaded;
-
- enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
- if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
- {
- fprintf(stderr, "[libretro]: RGB565 is not supported.\n");
- return false;
- }
-
- /* Hack. S9x cannot do stuff from RAM. <_< */
- memstream_set_buffer((uint8_t*)game->data, game->size);
-
- loaded = Memory.LoadROM("");
- if (!loaded)
- {
- fprintf(stderr, "[libretro]: Rom loading failed...\n");
- return false;
- }
-
- //S9xGraphicsInit();
- S9xReset();
-// Settings.asmspc700 = false;
- CPU.APU_APUExecuting = Settings.APUEnabled = 1;
- Settings.SixteenBitSound = true;
- so.stereo = Settings.Stereo;
- so.playback_rate = Settings.SoundPlaybackRate;
- S9xSetPlaybackRate(so.playback_rate);
- S9xSetSoundMute(FALSE);
-
- avail = (int) (samplerate / (Settings.PAL ? 50 : 60)) << 1;
-
- ZeroMemory(audio_buf, sizeof(audio_buf));
-
- return true;
-}
-
-bool retro_load_game_special(
- unsigned game_type,
- const struct retro_game_info *info, size_t num_info
-)
-{ return false; }
-
-void retro_unload_game (void)
-{ }
-
-unsigned retro_get_region (void)
-{
- return Settings.PAL ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
-}
-
-bool8 S9xDeinitUpdate(int width, int height, bool8 sixteen_bit)
-{
- int y;
-
- if (height == 448 || height == 478)
- {
- /* Pitch 2048 -> 1024, only done once per res-change. */
- if (GFX.Pitch == 2048)
- {
- for ( y = 1; y < height; y++)
- {
- uint8_t *src = GFX.Screen + y * 1024;
- uint8_t *dst = GFX.Screen + y * 512;
- memcpy(dst, src, width * sizeof(uint8_t) * 2);
- }
- }
- GFX.Pitch = 1024;
- }
- else
- {
- /* Pitch 1024 -> 2048, only done once per res-change. */
- if (GFX.Pitch == 1024)
- {
- for ( y = height - 1; y >= 0; y--)
- {
- uint8_t *src = GFX.Screen + y * 512;
- uint8_t *dst = GFX.Screen + y * 1024;
- memcpy(dst, src, width * sizeof(uint8_t) * 2);
- }
- }
- GFX.Pitch = 2048;
- }
-
- video_cb(GFX.Screen, width, height, GFX_PITCH);
-
- return TRUE;
-}
-
-
-/* Dummy functions that should probably be implemented correctly later. */
-const char* S9xGetFilename(const char* in) { return in; }
-const char* S9xGetFilenameInc(const char* in) { return in; }
-const char *S9xGetHomeDirectory() { return NULL; }
-const char *S9xGetSnapshotDirectory() { return NULL; }
-const char *S9xGetROMDirectory() { return NULL; }
-const char* S9xChooseFilename(bool8 a) { return NULL; }
-bool8 S9xInitUpdate() { return TRUE; }
-bool8 S9xContinueUpdate(int width, int height) { return TRUE; }
-void S9xSetPalette() {}
-void S9xAutoSaveSRAM() {}
-void S9xLoadSDD1Data() {}
-bool8 S9xReadMousePosition (int which1_0_to_1, int &x, int &y, uint32 &buttons) { return FALSE; }
-bool8 S9xReadSuperScopePosition (int &x, int &y, uint32 &buttons) { return FALSE; }
-void JustifierButtons(uint32& x) {}
-bool JustifierOffscreen() { return false; }
-
-START_EXTERN_C
-
-void S9xToggleSoundChannel (int channel) {}
-
-bool8 S9xMovieActive() { return FALSE; }
-bool8 S9xMoviePlaying() { return FALSE; }
-void S9xMovieFreeze() {}
-void S9xMovieUnfreeze() {}
-int S9xMovieCreate (const char* filename, uint8 controllers_mask, uint8 opts, const wchar_t* metadata, int metadata_length) { return FALSE; }
-void S9xMovieStop (bool8 suppress_message) {}
-const char *S9xChooseMovieFilename(bool8 read_only) { return NULL; }
-void S9xMovieUpdate(bool addFrame) {}
-void S9xMovieUpdateOnReset() {}
-int S9xMovieOpen(const char* filename, bool8 read_only) { return FALSE; }
-uint32 S9xMovieGetFrameCounter() { return 0; }
-const char *S9xStringInput(const char *message) { return NULL; }
-
-END_EXTERN_C
-
-//void Write16(uint16 v, uint8*& ptr) {}
-//uint16 Read16(const uint8*& ptr) { return 0; }
-
-//void S9xHandlePortCommand(s9xcommand_t cmd, int16 data1, int16 data2) {}
-//bool S9xPollButton(uint32 id, bool *pressed) { return false; }
-//bool S9xPollPointer(uint32 id, int16 *x, int16 *y) { return false; }
-//bool S9xPollAxis(uint32 id, int16 *value) { return false; }
-
-void S9xExit() { exit(1); }
-bool8 S9xOpenSoundDevice (int mode, bool8 stereo, int buffer_size) {
- //so.sixteen_bit = 1;
- so.stereo = TRUE;
- //so.buffer_size = 534;
- so.playback_rate = samplerate;
- return TRUE;
-}
-
-const char *emptyString = "";
-const char *S9xBasename (const char *filename) { return emptyString; }
-bool8 S9xOpenSnapshotFile (const char *base, bool8 read_only, STREAM *file) { *file = OPEN_STREAM(0, 0); return TRUE; }
-void S9xCloseSnapshotFile (STREAM file) { CLOSE_STREAM(file); }
-
-void S9xMessage(int a, int b, const char* msg)
-{
- fprintf(stderr, "%s\n", msg);
-}
-
-/* S9x weirdness. */
-#ifndef _WIN32
-void _splitpath (const char * path, char * drive, char * dir, char * fname, char * ext)
-{
- const char *slash, *dot;
-
- slash = strrchr(path, SLASH_CHAR);
- dot = strrchr(path, '.');
-
- if (dot && slash && dot < slash)
- dot = NULL;
-
- if (!slash)
- {
- *dir = 0;
-
- strcpy(fname, path);
-
- if (dot)
- {
- fname[dot - path] = 0;
- strcpy(ext, dot + 1);
- }
- else
- *ext = 0;
- }
- else
- {
- strcpy(dir, path);
- dir[slash - path] = 0;
-
- strcpy(fname, slash + 1);
-
- if (dot)
- {
- fname[dot - slash - 1] = 0;
- strcpy(ext, dot + 1);
- }
- else
- *ext = 0;
- }
-}
-
-void _makepath (char *path, const char * a, const char *dir, const char *fname, const char *ext)
-{
- if (dir && *dir)
- {
- strcpy(path, dir);
- strcat(path, SLASH_STR);
- }
- else
- *path = 0;
-
- strcat(path, fname);
-
- if (ext && *ext)
- {
- strcat(path, ".");
- strcat(path, ext);
- }
-}
-#endif
-
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