mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-12-25 18:51:49 +01:00
[libretro] fixed compilation issues & removed unused code
This commit is contained in:
EkeEke
parent
f2800e6a2a
commit
4c46cc7833
@ -26,8 +26,6 @@ md_ntsc_t *md_ntsc;
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static int vwidth;
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static int vheight;
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char rom_filename[256];
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unsigned retro_api_version(void) { return RETRO_API_VERSION; }
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static retro_video_refresh_t video_cb;
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@ -79,8 +77,6 @@ static struct bind_conv binds[] = {
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static char g_rom_dir[1024];
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extern uint8 system_hw;
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char GG_ROM[256];
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char AR_ROM[256];
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char SK_ROM[256];
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@ -213,7 +209,7 @@ static void init_bitmap(void)
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bitmap.viewport.y = 0;
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}
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#define CONFIG_VERSION "GENPLUS-GX 1.6.1"
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#define CONFIG_VERSION "GENPLUS-GX 1.7.4"
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static void config_default(void)
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{
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@ -226,7 +222,7 @@ static void config_default(void)
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config.hq_fm = 1;
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config.psgBoostNoise = 1;
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config.filter = 0;
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config.lp_range = 50;
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config.lp_range = 0x9999; /* 0.6 in 16.16 fixed point */
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config.low_freq = 880;
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config.high_freq = 5000;
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config.lg = 1.0;
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@ -234,6 +230,7 @@ static void config_default(void)
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config.hg = 1.0;
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config.dac_bits = 14;
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config.ym2413 = 2; /* AUTO */
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config.mono = 0;
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/* system options */
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config.system = 0; /* AUTO */
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@ -247,38 +244,10 @@ static void config_default(void)
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config.hot_swap = 0;
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/* video options */
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config.xshift = 0;
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config.yshift = 0;
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config.xscale = 0;
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config.yscale = 0;
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config.aspect = 0;
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config.overscan = 0; /* 3 == FULL */
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config.gg_extra = 0; /* 1 = show extended Game Gear screen (256x192) */
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config.ntsc = 0;
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config.vsync = 1; /* AUTO */
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config.render = 0;
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config.bilinear = 0;
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/* controllers options */
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config.gun_cursor[0] = 1;
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config.gun_cursor[1] = 1;
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config.invert_mouse = 0;
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/* menu options */
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config.autoload = 0;
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config.autocheat = 0;
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config.s_auto = 0;
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config.s_default = 1;
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config.s_device = 0;
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config.l_device = 0;
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config.bg_overlay = 0;
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config.screen_w = 658;
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config.bgm_volume = 100.0;
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config.sfx_volume = 100.0;
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/* hot swap requires at least a first initialization */
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config.hot_swap &= 1;
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}
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/* these values are used for libretro reporting too */
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@ -315,225 +284,28 @@ static void configure_controls(void)
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}
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}
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static int slot_load(int slot)
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/* Mega CD backup RAM specific */
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static void bram_load(void)
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{
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char filename[MAXPATHLEN];
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unsigned long filesize, done = 0;
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uint8_t *buffer;
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/* File Type */
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if (slot > 0)
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{
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fprintf(stderr, "INFORMATION - Loading State ...\n");
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}
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else
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{
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if (!sram.on || (system_hw == SYSTEM_MCD))
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{
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fprintf(stderr, "ERROR - SRAM is disabled.\n");
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return 0;
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}
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fprintf(stderr, "INFORMATION - Loading SRAM ...\n");
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}
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/* Device Type */
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{
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FILE *fp;
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/* FAT file */
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if (slot > 0)
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{
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sprintf (filename,"%s/saves/%s.gp%d", DEFAULT_PATH, rom_filename, slot - 1);
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}
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else
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{
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sprintf (filename,"%s/saves/%s.srm", DEFAULT_PATH, rom_filename);
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}
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/* Open file */
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fp = fopen(filename, "rb");
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if (!fp)
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{
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fprintf(stderr, "ERROR - Unable to open file.\n");
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return 0;
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}
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/* Get file size */
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fseek(fp, 0, SEEK_END);
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filesize = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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/* allocate buffer */
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buffer = (uint8_t *)malloc(filesize);
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if (!buffer)
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{
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fprintf(stderr, "ERROR - Unable to allocate memory.\n");
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fclose(fp);
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return 0;
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}
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/* Read into buffer (2k blocks) */
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while (filesize > CHUNKSIZE)
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{
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fread(buffer + done, CHUNKSIZE, 1, fp);
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done += CHUNKSIZE;
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filesize -= CHUNKSIZE;
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}
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/* Read remaining bytes */
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fread(buffer + done, filesize, 1, fp);
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done += filesize;
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/* Close file */
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fclose(fp);
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}
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if (slot > 0)
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{
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/* Load state */
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if (state_load(buffer) <= 0)
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{
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free(buffer);
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fprintf(stderr, "Invalid state file.\n");
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return 0;
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}
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}
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else
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{
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/* load SRAM */
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memcpy(sram.sram, buffer, 0x10000);
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/* update CRC */
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sram.crc = crc32(0, sram.sram, 0x10000);
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}
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free(buffer);
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return 1;
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}
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static int slot_save(int slot)
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{
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FILE *fp;
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char filename[MAXPATHLEN];
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unsigned long filesize, done = 0;
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uint8_t *buffer;
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if (slot > 0)
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{
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fprintf(stderr, "INFORMATION - Saving State ...\n");
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/* allocate buffer */
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buffer = (uint8_t *)malloc(STATE_SIZE);
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if (!buffer)
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{
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fprintf(stderr, "ERROR - Unable to allocate memory.\n");
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return 0;
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}
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filesize = state_save(buffer);
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}
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else
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{
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/* only save if SRAM is enabled */
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if (!sram.on || (system_hw == SYSTEM_MCD))
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{
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fprintf(stderr, "ERROR - SRAM is disabled.\n");
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return 0;
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}
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/* only save if SRAM has been modified */
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if (crc32(0, &sram.sram[0], 0x10000) == sram.crc)
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{
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fprintf(stderr, "WARNING - SRAM not modified.\n");
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return 0;
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}
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fprintf(stderr, "INFORMATION - Saving SRAM ...\n");
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/* allocate buffer */
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buffer = (uint8_t *)malloc(0x10000);
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if (!buffer)
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{
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fprintf(stderr, "ERROR - Unable to allocate memory.\n");
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return 0;
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}
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/* copy SRAM data */
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memcpy(buffer, sram.sram, 0x10000);
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filesize = 0x10000;
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/* update CRC */
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sram.crc = crc32(0, sram.sram, 0x10000);
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}
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/* Device Type */
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{
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/* FAT filename */
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if (slot > 0)
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{
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sprintf(filename, "%s/saves/%s.gp%d", DEFAULT_PATH, rom_filename, slot - 1);
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}
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else
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{
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sprintf(filename, "%s/saves/%s.srm", DEFAULT_PATH, rom_filename);
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}
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/* Open file */
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fp = fopen(filename, "wb");
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if (!fp)
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{
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fprintf(stderr, "ERROR - Unable to open file.\n");
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free(buffer);
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return 0;
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}
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/* Write from buffer (2k blocks) */
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while (filesize > CHUNKSIZE)
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{
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fwrite(buffer + done, CHUNKSIZE, 1, fp);
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done += CHUNKSIZE;
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filesize -= CHUNKSIZE;
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}
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/* Write remaining bytes */
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fwrite(buffer + done, filesize, 1, fp);
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done += filesize;
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/* Close file */
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fclose(fp);
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free(buffer);
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}
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return 1;
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}
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static void slot_autoload(int slot)
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{
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FILE *fp;
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/* Mega CD backup RAM specific */
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if (!slot && (system_hw == SYSTEM_MCD))
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{
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/* automatically load internal backup RAM */
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unsigned i = ((region_code ^ 0x40) >> 6) - 1;
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const char *path = NULL;
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switch(i)
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switch (region_code)
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{
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case 0:
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path = CD_BRAM_JP;
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case REGION_JAPAN_NTSC:
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fp = fopen(CD_BRAM_JP, "rb");
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break;
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case 1:
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path = CD_BRAM_EU;
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case REGION_EUROPE:
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fp = fopen(CD_BRAM_EU, "rb");
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break;
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case 2:
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path = CD_BRAM_US;
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case REGION_USA:
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fp = fopen(CD_BRAM_US, "rb");
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break;
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default:
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return;
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}
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fp = fopen(path, "rb");
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if (fp != NULL)
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{
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fread(scd.bram, 0x2000, 1, fp);
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@ -609,46 +381,32 @@ static void slot_autoload(int slot)
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memcpy(scd.cartridge.area + scd.cartridge.mask + 1 - 0x40, brm_format, 0x40);
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}
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}
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return;
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}
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if (strlen(rom_filename))
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{
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slot_load(slot);
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}
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}
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static void slot_autosave(int slot)
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static void bram_save(void)
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{
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FILE *fp;
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/* Mega CD backup RAM specific */
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if (!slot && (system_hw == SYSTEM_MCD))
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{
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FILE *fp;
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/* verify that internal backup RAM has been modified */
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if (crc32(0, scd.bram, 0x2000) != brm_crc[0])
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{
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/* check if it is correctly formatted before saving */
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if (!memcmp(scd.bram + 0x2000 - 0x20, brm_format + 0x20, 0x20))
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{
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unsigned i = ((region_code ^ 0x40) >> 6) - 1;
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const char *path = NULL;
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switch(i)
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switch (region_code)
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{
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case 0:
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path = CD_BRAM_JP;
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case REGION_JAPAN_NTSC:
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fp = fopen(CD_BRAM_JP, "wb");
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break;
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case 1:
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path = CD_BRAM_EU;
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case REGION_EUROPE:
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fp = fopen(CD_BRAM_EU, "wb");
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break;
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case 2:
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path = CD_BRAM_US;
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case REGION_USA:
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fp = fopen(CD_BRAM_US, "wb");
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break;
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default:
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return;
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}
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fp = fopen(path, "wb");
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if (fp != NULL)
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{
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fwrite(scd.bram, 0x2000, 1, fp);
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@ -666,7 +424,7 @@ static void slot_autosave(int slot)
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/* check if it is correctly formatted before saving */
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if (!memcmp(scd.cartridge.area + scd.cartridge.mask + 1 - 0x20, brm_format + 0x20, 0x20))
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{
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FILE *fp = fopen(CART_BRAM, "wb");
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fp = fopen(CART_BRAM, "wb");
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if (fp != NULL)
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{
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int filesize = scd.cartridge.mask + 1;
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@ -694,12 +452,6 @@ static void slot_autosave(int slot)
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}
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}
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}
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return;
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}
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if (strlen(rom_filename))
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slot_save(slot);
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}
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/************************************
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@ -948,39 +700,22 @@ bool retro_load_game(const struct retro_game_info *info)
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slash = '/';
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#endif
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snprintf(CD_BRAM_EU, sizeof(CD_BRAM_EU), "%s%cscd_E.brm", dir, slash);
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snprintf(CD_BRAM_US, sizeof(CD_BRAM_US), "%s%cscd_U.brm", dir, slash);
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snprintf(CD_BRAM_JP, sizeof(CD_BRAM_JP), "%s%cscd_J.brm", dir, slash);
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snprintf(CD_BIOS_EU, sizeof(CD_BIOS_EU), "%s%cbios_CD_E.bin", dir, slash);
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snprintf(CD_BIOS_US, sizeof(CD_BIOS_US), "%s%cbios_CD_U.bin", dir, slash);
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snprintf(CD_BIOS_JP, sizeof(CD_BIOS_JP), "%s%cbios_CD_J.bin", dir, slash);
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snprintf(MS_BIOS_EU, sizeof(MS_BIOS_EU), "%s%cbios_E.sms", dir, slash);
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snprintf(MS_BIOS_US, sizeof(MS_BIOS_US), "%s%cbios_U.sms", dir, slash);
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snprintf(MS_BIOS_JP, sizeof(MS_BIOS_JP), "%s%cbios_J.sms", dir, slash);
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snprintf(GG_BIOS, sizeof(GG_BIOS), "%s%cbios.gg", dir, slash);
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snprintf(SK_ROM, sizeof(SK_ROM), "%s%csk.bin", dir, slash);
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snprintf(SK_UPMEM, sizeof(SK_UPMEM), "%s%csk2chip.bin", dir, slash);
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snprintf(GG_ROM, sizeof(GG_ROM), "%s%cggenie.bin", dir, slash);
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snprintf(AR_ROM, sizeof(AR_ROM), "%s%careplay.bin", dir, slash);
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fprintf(stderr, "Sega CD EU BRAM should be located at: %s\n", CD_BRAM_EU);
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fprintf(stderr, "Sega CD US BRAM should be located at: %s\n", CD_BRAM_US);
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fprintf(stderr, "Sega CD JP BRAM should be located at: %s\n", CD_BRAM_JP);
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snprintf(CD_BRAM_EU, sizeof(CD_BRAM_EU), "%s%cscd_E.brm", dir, slash);
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snprintf(CD_BRAM_US, sizeof(CD_BRAM_US), "%s%cscd_U.brm", dir, slash);
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snprintf(CD_BRAM_JP, sizeof(CD_BRAM_JP), "%s%cscd_J.brm", dir, slash);
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snprintf(CART_BRAM, sizeof(CART_BRAM), "%s%ccart.brm", dir, slash);
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fprintf(stderr, "Sega CD EU BIOS should be located at: %s\n", CD_BIOS_EU);
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fprintf(stderr, "Sega CD US BIOS should be located at: %s\n", CD_BIOS_US);
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fprintf(stderr, "Sega CD JP BIOS should be located at: %s\n", CD_BIOS_JP);
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fprintf(stderr, "Master System EU BIOS should be located at: %s\n", MS_BIOS_EU);
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fprintf(stderr, "Master System US BIOS should be located at: %s\n", MS_BIOS_US);
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fprintf(stderr, "Master System JP BIOS should be located at: %s\n", MS_BIOS_JP);
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fprintf(stderr, "Game Gear BIOS should be located at: %s\n", GG_BIOS);
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fprintf(stderr, "S&K upmem ROM should be located at: %s\n", SK_UPMEM);
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fprintf(stderr, "S&K ROM should be located at: %s\n", SK_ROM);
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fprintf(stderr, "Game Genie ROM should be located at: %s\n", GG_ROM);
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fprintf(stderr, "Action Replay ROM should be located at: %s\n", AR_ROM);
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fprintf(stderr, "Sega CD EU BRAM is located at: %s\n", CD_BRAM_EU);
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fprintf(stderr, "Sega CD US BRAM is located at: %s\n", CD_BRAM_US);
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fprintf(stderr, "Sega CD JP BRAM is located at: %s\n", CD_BRAM_JP);
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fprintf(stderr, "Sega CD RAM CART is located at: %s\n", CART_BRAM);
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snprintf(DEFAULT_PATH, sizeof(DEFAULT_PATH), g_rom_dir);
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snprintf(CART_BRAM, sizeof(CART_BRAM), "%s%ccart.brm", g_rom_dir, slash);
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fprintf(stderr, "BRAM file is located at: %s\n", CART_BRAM);
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config_default();
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init_bitmap();
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@ -998,7 +733,7 @@ bool retro_load_game(const struct retro_game_info *info)
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system_reset();
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if (system_hw == SYSTEM_MCD)
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slot_autoload(0);
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bram_load();
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retro_set_viewport_dimensions();
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@ -1018,7 +753,7 @@ bool retro_load_game_special(unsigned game_type, const struct retro_game_info *i
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void retro_unload_game(void)
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{
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if (system_hw == SYSTEM_MCD)
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slot_autosave(0);
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bram_save();
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}
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unsigned retro_get_region(void) { return vdp_pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC; }
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@ -42,6 +42,7 @@ typedef struct
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uint8 psgBoostNoise;
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uint8 dac_bits;
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uint8 ym2413;
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uint8 mono;
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int16 psg_preamp;
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int16 fm_preamp;
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int16 lp_range;
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@ -50,44 +51,20 @@ typedef struct
|
||||
int16 lg;
|
||||
int16 mg;
|
||||
int16 hg;
|
||||
float rolloff;
|
||||
uint8 system;
|
||||
uint8 region_detect;
|
||||
uint8 master_clock;
|
||||
uint8 vdp_mode;
|
||||
uint8 force_dtack;
|
||||
uint8 addr_error;
|
||||
uint8 tmss;
|
||||
uint8 bios;
|
||||
uint8 lock_on;
|
||||
uint8 hot_swap;
|
||||
uint8 invert_mouse;
|
||||
uint8 gun_cursor[2];
|
||||
uint8 overscan;
|
||||
uint8 ntsc;
|
||||
uint8 vsync;
|
||||
uint8 render;
|
||||
uint8 tv_mode;
|
||||
uint8 bilinear;
|
||||
uint8 aspect;
|
||||
int16 xshift;
|
||||
int16 yshift;
|
||||
int16 xscale;
|
||||
int16 yscale;
|
||||
t_input_config input[MAX_INPUTS];
|
||||
uint16 pad_keymap[4][MAX_KEYS];
|
||||
uint8 autoload;
|
||||
uint8 autocheat;
|
||||
uint8 s_auto;
|
||||
uint8 s_default;
|
||||
uint8 s_device;
|
||||
uint8 l_device;
|
||||
uint8 bg_overlay;
|
||||
int16 screen_w;
|
||||
float bgm_volume;
|
||||
float sfx_volume;
|
||||
char lastdir[4][2][MAXPATHLEN];
|
||||
uint8 gg_extra;
|
||||
uint8 render;
|
||||
t_input_config input[MAX_INPUTS];
|
||||
} t_config;
|
||||
|
||||
/* Global data */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user