{
#ifdef __arm__
#if defined(__BLACKBERRY_QNX__)
- msync(start, end - start, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE);
+ msync(start, end - start, MS_SYNC | MS_CACHE_ONLY | MS_INVALIDATE_ICACHE);
#elif defined(__MACH__)
- size_t len = (char *)end - (char *)start;
- sys_dcache_flush(start, len);
- sys_icache_invalidate(start, len);
+ size_t len = (char *)end - (char *)start;
+ sys_dcache_flush(start, len);
+ sys_icache_invalidate(start, len);
#elif defined(_3DS)
ctr_flush_invalidate_cache();
#else
static void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
{
- uint32_t flProtect, dwDesiredAccess;
- off_t end;
- HANDLE mmap_fd, h;
- void *ret;
-
- if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
- return MAP_FAILED;
- if (fd == -1) {
- if (!(flags & MAP_ANON) || offset)
- return MAP_FAILED;
- } else if (flags & MAP_ANON)
- return MAP_FAILED;
-
- if (prot & PROT_WRITE) {
- if (prot & PROT_EXEC)
- flProtect = PAGE_EXECUTE_READWRITE;
- else
- flProtect = PAGE_READWRITE;
- } else if (prot & PROT_EXEC) {
- if (prot & PROT_READ)
- flProtect = PAGE_EXECUTE_READ;
- else if (prot & PROT_EXEC)
- flProtect = PAGE_EXECUTE;
- } else
- flProtect = PAGE_READONLY;
-
- end = length + offset;
-
- if (fd == -1)
- mmap_fd = INVALID_HANDLE_VALUE;
- else
- mmap_fd = (HANDLE)_get_osfhandle(fd);
- h = CreateFileMapping(mmap_fd, NULL, flProtect, DWORD_HI(end), DWORD_LO(end), NULL);
- if (h == NULL)
- return MAP_FAILED;
-
- if (prot & PROT_WRITE)
- dwDesiredAccess = FILE_MAP_WRITE;
- else
- dwDesiredAccess = FILE_MAP_READ;
- if (prot & PROT_EXEC)
- dwDesiredAccess |= FILE_MAP_EXECUTE;
- if (flags & MAP_PRIVATE)
- dwDesiredAccess |= FILE_MAP_COPY;
- ret = MapViewOfFile(h, dwDesiredAccess, DWORD_HI(offset), DWORD_LO(offset), length);
- if (ret == NULL) {
- CloseHandle(h);
- ret = MAP_FAILED;
- }
- return ret;
+ uint32_t flProtect, dwDesiredAccess;
+ off_t end;
+ HANDLE mmap_fd, h;
+ void *ret;
+
+ if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
+ return MAP_FAILED;
+ if (fd == -1) {
+ if (!(flags & MAP_ANON) || offset)
+ return MAP_FAILED;
+ } else if (flags & MAP_ANON)
+ return MAP_FAILED;
+
+ if (prot & PROT_WRITE) {
+ if (prot & PROT_EXEC)
+ flProtect = PAGE_EXECUTE_READWRITE;
+ else
+ flProtect = PAGE_READWRITE;
+ } else if (prot & PROT_EXEC) {
+ if (prot & PROT_READ)
+ flProtect = PAGE_EXECUTE_READ;
+ else if (prot & PROT_EXEC)
+ flProtect = PAGE_EXECUTE;
+ } else
+ flProtect = PAGE_READONLY;
+
+ end = length + offset;
+
+ if (fd == -1)
+ mmap_fd = INVALID_HANDLE_VALUE;
+ else
+ mmap_fd = (HANDLE)_get_osfhandle(fd);
+ h = CreateFileMapping(mmap_fd, NULL, flProtect, DWORD_HI(end), DWORD_LO(end), NULL);
+ if (h == NULL)
+ return MAP_FAILED;
+
+ if (prot & PROT_WRITE)
+ dwDesiredAccess = FILE_MAP_WRITE;
+ else
+ dwDesiredAccess = FILE_MAP_READ;
+ if (prot & PROT_EXEC)
+ dwDesiredAccess |= FILE_MAP_EXECUTE;
+ if (flags & MAP_PRIVATE)
+ dwDesiredAccess |= FILE_MAP_COPY;
+ ret = MapViewOfFile(h, dwDesiredAccess, DWORD_HI(offset), DWORD_LO(offset), length);
+ if (ret == NULL) {
+ CloseHandle(h);
+ ret = MAP_FAILED;
+ }
+ return ret;
}
static void munmap(void *addr, size_t length)
{
- UnmapViewOfFile(addr);
- /* ruh-ro, we leaked handle from CreateFileMapping() ... */
+ UnmapViewOfFile(addr);
+ /* ruh-ro, we leaked handle from CreateFileMapping() ... */
}
#elif defined(NO_MMAP)
#define PROT_EXEC 0x04
int mprotect(void *addr, size_t len, int prot)
{
- /* stub - not really needed at this point since this codepath has no dynarecs */
+ /* stub - not really needed at this point since this codepath has no dynarecs */
return 0;
}
}
}
- return ret;
+ return ret;
}
void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
{
#ifdef __linux__
- void *ret = mremap(ptr, oldsize, newsize, 0);
- if (ret == MAP_FAILED)
- return NULL;
+ void *ret = mremap(ptr, oldsize, newsize, 0);
+ if (ret == MAP_FAILED)
+ return NULL;
- return ret;
+ return ret;
#else
- void *tmp, *ret;
- size_t preserve_size;
-
- preserve_size = oldsize;
- if (preserve_size > newsize)
- preserve_size = newsize;
- tmp = malloc(preserve_size);
- if (tmp == NULL)
- return NULL;
- memcpy(tmp, ptr, preserve_size);
-
- munmap(ptr, oldsize);
- ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (ret == MAP_FAILED) {
- free(tmp);
- return NULL;
- }
- memcpy(ret, tmp, preserve_size);
- free(tmp);
- return ret;
+ void *tmp, *ret;
+ size_t preserve_size;
+
+ preserve_size = oldsize;
+ if (preserve_size > newsize)
+ preserve_size = newsize;
+ tmp = malloc(preserve_size);
+ if (tmp == NULL)
+ return NULL;
+ memcpy(tmp, ptr, preserve_size);
+
+ munmap(ptr, oldsize);
+ ret = mmap(ptr, newsize, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (ret == MAP_FAILED) {
+ free(tmp);
+ return NULL;
+ }
+ memcpy(ret, tmp, preserve_size);
+ free(tmp);
+ return ret;
#endif
}
void plat_munmap(void *ptr, size_t size)
{
- if (ptr != NULL)
- munmap(ptr, size);
+ if (ptr != NULL)
+ munmap(ptr, size);
}
#endif
if (ret != 0 && log_cb)
log_cb(RETRO_LOG_ERROR, "mprotect(%p, %zd) failed: %d\n", ptr, size, errno);
#endif
- return ret;
+ return ret;
}
void emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
- memset(vout_buf, 0, 320 * 240 * 2);
- vout_width = is_32cols ? 256 : 320;
- PicoDrawSetOutBuf(vout_buf, vout_width * 2);
+ memset(vout_buf, 0, 320 * 240 * 2);
+ vout_width = is_32cols ? 256 : 320;
+ PicoDrawSetOutBuf(vout_buf, vout_width * 2);
- vout_height = line_count;
- vout_offset = vout_width * start_line;
+ vout_height = line_count;
+ vout_offset = vout_width * start_line;
}
void emu_32x_startup(void)
/* libretro */
void retro_set_environment(retro_environment_t cb)
{
- static const struct retro_variable vars[] = {
- //{ "region", "Region; Auto|NTSC|PAL" },
- { "picodrive_input1", "Input device 1; 3 button pad|6 button pad|None" },
- { "picodrive_input2", "Input device 2; 3 button pad|6 button pad|None" },
- { "picodrive_sprlim", "No sprite limit; disabled|enabled" },
- { "picodrive_ramcart", "MegaCD RAM cart; disabled|enabled" },
- { "picodrive_region", "Region; Auto|Japan NTSC|Japan PAL|US|Europe" },
+ static const struct retro_variable vars[] = {
+ //{ "region", "Region; Auto|NTSC|PAL" },
+ { "picodrive_input1", "Input device 1; 3 button pad|6 button pad|None" },
+ { "picodrive_input2", "Input device 2; 3 button pad|6 button pad|None" },
+ { "picodrive_sprlim", "No sprite limit; disabled|enabled" },
+ { "picodrive_ramcart", "MegaCD RAM cart; disabled|enabled" },
+ { "picodrive_region", "Region; Auto|Japan NTSC|Japan PAL|US|Europe" },
#ifdef DRC_SH2
- { "picodrive_drc", "Dynamic recompilers; enabled|disabled" },
+ { "picodrive_drc", "Dynamic recompilers; enabled|disabled" },
#endif
- { NULL, NULL },
- };
+ { NULL, NULL },
+ };
- environ_cb = cb;
+ environ_cb = cb;
- cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
+ cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
}
void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
unsigned retro_api_version(void)
{
- return RETRO_API_VERSION;
+ return RETRO_API_VERSION;
}
void retro_set_controller_port_device(unsigned port, unsigned device)
void retro_get_system_info(struct retro_system_info *info)
{
- memset(info, 0, sizeof(*info));
- info->library_name = "PicoDrive";
- info->library_version = VERSION;
- info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|sms";
- info->need_fullpath = true;
+ memset(info, 0, sizeof(*info));
+ info->library_name = "PicoDrive";
+ info->library_version = VERSION;
+ info->valid_extensions = "bin|gen|smd|md|32x|cue|iso|sms";
+ info->need_fullpath = true;
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
- memset(info, 0, sizeof(*info));
- info->timing.fps = Pico.m.pal ? 50 : 60;
- info->timing.sample_rate = 44100;
- info->geometry.base_width = 320;
- info->geometry.base_height = vout_height;
- info->geometry.max_width = VOUT_MAX_WIDTH;
- info->geometry.max_height = VOUT_MAX_HEIGHT;
- info->geometry.aspect_ratio = 4.0f / 3.0f;
+ memset(info, 0, sizeof(*info));
+ info->timing.fps = Pico.m.pal ? 50 : 60;
+ info->timing.sample_rate = 44100;
+ info->geometry.base_width = 320;
+ info->geometry.base_height = vout_height;
+ info->geometry.max_width = VOUT_MAX_WIDTH;
+ info->geometry.max_height = VOUT_MAX_HEIGHT;
+ info->geometry.aspect_ratio = 4.0f / 3.0f;
}
/* savestates */
struct savestate_state {
- const char *load_buf;
- char *save_buf;
- size_t size;
- size_t pos;
+ const char *load_buf;
+ char *save_buf;
+ size_t size;
+ size_t pos;
};
size_t state_read(void *p, size_t size, size_t nmemb, void *file)
{
- struct savestate_state *state = file;
- size_t bsize = size * nmemb;
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
- if (state->pos + bsize > state->size) {
+ if (state->pos + bsize > state->size) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "savestate error: %u/%u\n",
state->pos + bsize, state->size);
- bsize = state->size - state->pos;
- if ((int)bsize <= 0)
- return 0;
- }
-
- memcpy(p, state->load_buf + state->pos, bsize);
- state->pos += bsize;
- return bsize;
+ bsize = state->size - state->pos;
+ if ((int)bsize <= 0)
+ return 0;
+ }
+
+ memcpy(p, state->load_buf + state->pos, bsize);
+ state->pos += bsize;
+ return bsize;
}
size_t state_write(void *p, size_t size, size_t nmemb, void *file)
{
- struct savestate_state *state = file;
- size_t bsize = size * nmemb;
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
- if (state->pos + bsize > state->size) {
+ if (state->pos + bsize > state->size) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "savestate error: %u/%u\n",
state->pos + bsize, state->size);
- bsize = state->size - state->pos;
- if ((int)bsize <= 0)
- return 0;
- }
-
- memcpy(state->save_buf + state->pos, p, bsize);
- state->pos += bsize;
- return bsize;
+ bsize = state->size - state->pos;
+ if ((int)bsize <= 0)
+ return 0;
+ }
+
+ memcpy(state->save_buf + state->pos, p, bsize);
+ state->pos += bsize;
+ return bsize;
}
size_t state_skip(void *p, size_t size, size_t nmemb, void *file)
{
- struct savestate_state *state = file;
- size_t bsize = size * nmemb;
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
- state->pos += bsize;
- return bsize;
+ state->pos += bsize;
+ return bsize;
}
size_t state_eof(void *file)
{
- struct savestate_state *state = file;
+ struct savestate_state *state = file;
- return state->pos >= state->size;
+ return state->pos >= state->size;
}
int state_fseek(void *file, long offset, int whence)
{
- struct savestate_state *state = file;
-
- switch (whence) {
- case SEEK_SET:
- state->pos = offset;
- break;
- case SEEK_CUR:
- state->pos += offset;
- break;
- case SEEK_END:
- state->pos = state->size + offset;
- break;
- }
- return (int)state->pos;
+ struct savestate_state *state = file;
+
+ switch (whence) {
+ case SEEK_SET:
+ state->pos = offset;
+ break;
+ case SEEK_CUR:
+ state->pos += offset;
+ break;
+ case SEEK_END:
+ state->pos = state->size + offset;
+ break;
+ }
+ return (int)state->pos;
}
/* savestate sizes vary wildly depending if cd/32x or
* carthw is active, so run the whole thing to get size */
-size_t retro_serialize_size(void)
-{
- struct savestate_state state = { 0, };
- int ret;
+size_t retro_serialize_size(void)
+{
+ struct savestate_state state = { 0, };
+ int ret;
- ret = PicoStateFP(&state, 1, NULL, state_skip, NULL, state_fseek);
- if (ret != 0)
- return 0;
+ ret = PicoStateFP(&state, 1, NULL, state_skip, NULL, state_fseek);
+ if (ret != 0)
+ return 0;
- return state.pos;
+ return state.pos;
}
bool retro_serialize(void *data, size_t size)
-{
- struct savestate_state state = { 0, };
- int ret;
+{
+ struct savestate_state state = { 0, };
+ int ret;
- state.save_buf = data;
- state.size = size;
- state.pos = 0;
+ state.save_buf = data;
+ state.size = size;
+ state.pos = 0;
- ret = PicoStateFP(&state, 1, NULL, state_write,
- NULL, state_fseek);
- return ret == 0;
+ ret = PicoStateFP(&state, 1, NULL, state_write,
+ NULL, state_fseek);
+ return ret == 0;
}
bool retro_unserialize(const void *data, size_t size)
{
- struct savestate_state state = { 0, };
- int ret;
+ struct savestate_state state = { 0, };
+ int ret;
- state.load_buf = data;
- state.size = size;
- state.pos = 0;
+ state.load_buf = data;
+ state.size = size;
+ state.pos = 0;
- ret = PicoStateFP(&state, 0, state_read, NULL,
- state_eof, state_fseek);
- return ret == 0;
+ ret = PicoStateFP(&state, 0, state_read, NULL,
+ state_eof, state_fseek);
+ return ret == 0;
}
/* cheats - TODO */
static unsigned int disk_current_index;
static unsigned int disk_count;
static struct disks_state {
- char *fname;
+ char *fname;
} disks[8];
static bool disk_set_eject_state(bool ejected)
{
- // TODO?
- disk_ejected = ejected;
- return true;
+ // TODO?
+ disk_ejected = ejected;
+ return true;
}
static bool disk_get_eject_state(void)
{
- return disk_ejected;
+ return disk_ejected;
}
static unsigned int disk_get_image_index(void)
{
- return disk_current_index;
+ return disk_current_index;
}
static bool disk_set_image_index(unsigned int index)
{
- enum cd_img_type cd_type;
- int ret;
+ enum cd_img_type cd_type;
+ int ret;
- if (index >= sizeof(disks) / sizeof(disks[0]))
- return false;
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
- if (disks[index].fname == NULL) {
+ if (disks[index].fname == NULL) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "missing disk #%u\n", index);
- // RetroArch specifies "no disk" with index == count,
- // so don't fail here..
- disk_current_index = index;
- return true;
- }
+ // RetroArch specifies "no disk" with index == count,
+ // so don't fail here..
+ disk_current_index = index;
+ return true;
+ }
if (log_cb)
log_cb(RETRO_LOG_INFO, "switching to disk %u: \"%s\"\n", index,
disks[index].fname);
- ret = -1;
- cd_type = PicoCdCheck(disks[index].fname, NULL);
- if (cd_type != CIT_NOT_CD)
- ret = cdd_load(disks[index].fname, cd_type);
- if (ret != 0) {
+ ret = -1;
+ cd_type = PicoCdCheck(disks[index].fname, NULL);
+ if (cd_type != CIT_NOT_CD)
+ ret = cdd_load(disks[index].fname, cd_type);
+ if (ret != 0) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Load failed, invalid CD image?\n");
- return 0;
- }
+ return 0;
+ }
- disk_current_index = index;
- return true;
+ disk_current_index = index;
+ return true;
}
static unsigned int disk_get_num_images(void)
{
- return disk_count;
+ return disk_count;
}
static bool disk_replace_image_index(unsigned index,
- const struct retro_game_info *info)
+ const struct retro_game_info *info)
{
- bool ret = true;
+ bool ret = true;
- if (index >= sizeof(disks) / sizeof(disks[0]))
- return false;
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
- if (disks[index].fname != NULL)
- free(disks[index].fname);
- disks[index].fname = NULL;
+ if (disks[index].fname != NULL)
+ free(disks[index].fname);
+ disks[index].fname = NULL;
- if (info != NULL) {
- disks[index].fname = strdup(info->path);
- if (index == disk_current_index)
- ret = disk_set_image_index(index);
- }
+ if (info != NULL) {
+ disks[index].fname = strdup(info->path);
+ if (index == disk_current_index)
+ ret = disk_set_image_index(index);
+ }
- return ret;
+ return ret;
}
static bool disk_add_image_index(void)
{
- if (disk_count >= sizeof(disks) / sizeof(disks[0]))
- return false;
+ if (disk_count >= sizeof(disks) / sizeof(disks[0]))
+ return false;
- disk_count++;
- return true;
+ disk_count++;
+ return true;
}
static struct retro_disk_control_callback disk_control = {
- disk_set_eject_state,
- disk_get_eject_state,
- disk_get_image_index,
- disk_set_image_index,
- disk_get_num_images,
- disk_replace_image_index,
- disk_add_image_index,
+ disk_set_eject_state,
+ disk_get_eject_state,
+ disk_get_image_index,
+ disk_set_image_index,
+ disk_get_num_images,
+ disk_replace_image_index,
+ disk_add_image_index,
};
static void disk_tray_open(void)
{
if (log_cb)
log_cb(RETRO_LOG_INFO, "cd tray open\n");
- disk_ejected = 1;
+ disk_ejected = 1;
}
static void disk_tray_close(void)
{
if (log_cb)
log_cb(RETRO_LOG_INFO, "cd tray close\n");
- disk_ejected = 0;
+ disk_ejected = 0;
}
static const char * const biosfiles_us[] = {
- "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
+ "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210", "bios_CD_U"
};
static const char * const biosfiles_eu[] = {
- "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
+ "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210", "bios_CD_E"
};
static const char * const biosfiles_jp[] = {
- "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
+ "jp_mcd2_921222", "jp_mcd1_9112", "jp_mcd1_9111", "bios_CD_J"
};
static void make_system_path(char *buf, size_t buf_size,
- const char *name, const char *ext)
+ const char *name, const char *ext)
{
- const char *dir = NULL;
-
- if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) {
- snprintf(buf, buf_size, "%s%c%s%s", dir, SLASH, name, ext);
- }
- else {
- snprintf(buf, buf_size, "%s%s", name, ext);
- }
+ const char *dir = NULL;
+
+ if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) {
+ snprintf(buf, buf_size, "%s%c%s%s", dir, SLASH, name, ext);
+ }
+ else {
+ snprintf(buf, buf_size, "%s%s", name, ext);
+ }
}
static const char *find_bios(int *region, const char *cd_fname)
{
- const char * const *files;
- static char path[256];
- int i, count;
- FILE *f = NULL;
-
- if (*region == 4) { // US
- files = biosfiles_us;
- count = sizeof(biosfiles_us) / sizeof(char *);
- } else if (*region == 8) { // EU
- files = biosfiles_eu;
- count = sizeof(biosfiles_eu) / sizeof(char *);
- } else if (*region == 1 || *region == 2) {
- files = biosfiles_jp;
- count = sizeof(biosfiles_jp) / sizeof(char *);
- } else {
- return NULL;
- }
-
- for (i = 0; i < count; i++)
- {
- make_system_path(path, sizeof(path), files[i], ".bin");
- f = fopen(path, "rb");
- if (f != NULL)
- break;
-
- make_system_path(path, sizeof(path), files[i], ".zip");
- f = fopen(path, "rb");
- if (f != NULL)
- break;
- }
-
- if (f != NULL) {
+ const char * const *files;
+ static char path[256];
+ int i, count;
+ FILE *f = NULL;
+
+ if (*region == 4) { // US
+ files = biosfiles_us;
+ count = sizeof(biosfiles_us) / sizeof(char *);
+ } else if (*region == 8) { // EU
+ files = biosfiles_eu;
+ count = sizeof(biosfiles_eu) / sizeof(char *);
+ } else if (*region == 1 || *region == 2) {
+ files = biosfiles_jp;
+ count = sizeof(biosfiles_jp) / sizeof(char *);
+ } else {
+ return NULL;
+ }
+
+ for (i = 0; i < count; i++)
+ {
+ make_system_path(path, sizeof(path), files[i], ".bin");
+ f = fopen(path, "rb");
+ if (f != NULL)
+ break;
+
+ make_system_path(path, sizeof(path), files[i], ".zip");
+ f = fopen(path, "rb");
+ if (f != NULL)
+ break;
+ }
+
+ if (f != NULL) {
if (log_cb)
log_cb(RETRO_LOG_INFO, "using bios: %s\n", path);
- fclose(f);
- return path;
- }
+ fclose(f);
+ return path;
+ }
- return NULL;
+ return NULL;
}
bool retro_load_game(const struct retro_game_info *info)
{
- enum media_type_e media_type;
- static char carthw_path[256];
- size_t i;
+ enum media_type_e media_type;
+ static char carthw_path[256];
+ size_t i;
struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
- enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
- if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
+ enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
+ if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "RGB565 support required, sorry\n");
- return false;
- }
+ return false;
+ }
- if (info == NULL || info->path == NULL) {
+ if (info == NULL || info->path == NULL) {
if (log_cb)
log_cb(RETRO_LOG_ERROR, "info->path required\n");
- return false;
- }
+ return false;
+ }
- for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
- if (disks[i].fname != NULL) {
- free(disks[i].fname);
- disks[i].fname = NULL;
- }
- }
+ for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
+ if (disks[i].fname != NULL) {
+ free(disks[i].fname);
+ disks[i].fname = NULL;
+ }
+ }
- disk_current_index = 0;
- disk_count = 1;
- disks[0].fname = strdup(info->path);
+ disk_current_index = 0;
+ disk_count = 1;
+ disks[0].fname = strdup(info->path);
- make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg");
+ make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg");
- media_type = PicoLoadMedia(info->path, carthw_path,
- find_bios, NULL);
+ media_type = PicoLoadMedia(info->path, carthw_path,
+ find_bios, NULL);
- switch (media_type) {
- case PM_BAD_DETECT:
+ switch (media_type) {
+ case PM_BAD_DETECT:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Failed to detect ROM/CD image type.\n");
- return false;
- case PM_BAD_CD:
+ return false;
+ case PM_BAD_CD:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Invalid CD image\n");
- return false;
- case PM_BAD_CD_NO_BIOS:
+ return false;
+ case PM_BAD_CD_NO_BIOS:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Missing BIOS\n");
- return false;
- case PM_ERROR:
+ return false;
+ case PM_ERROR:
if (log_cb)
log_cb(RETRO_LOG_ERROR, "Load error\n");
- return false;
- default:
- break;
- }
+ return false;
+ default:
+ break;
+ }
- PicoLoopPrepare();
+ PicoLoopPrepare();
- PicoWriteSound = snd_write;
- memset(sndBuffer, 0, sizeof(sndBuffer));
- PsndOut = sndBuffer;
- PsndRerate(0);
+ PicoWriteSound = snd_write;
+ memset(sndBuffer, 0, sizeof(sndBuffer));
+ PsndOut = sndBuffer;
+ PsndRerate(0);
- return true;
+ return true;
}
bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
{
- return false;
+ return false;
}
-void retro_unload_game(void)
+void retro_unload_game(void)
{
}
unsigned retro_get_region(void)
{
- return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
+ return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
}
void *retro_get_memory_data(unsigned id)
{
- if (id != RETRO_MEMORY_SAVE_RAM)
- return NULL;
+ if (id != RETRO_MEMORY_SAVE_RAM)
+ return NULL;
- if (PicoAHW & PAHW_MCD)
- return Pico_mcd->bram;
- else
- return SRam.data;
+ if (PicoAHW & PAHW_MCD)
+ return Pico_mcd->bram;
+ else
+ return SRam.data;
}
size_t retro_get_memory_size(unsigned id)
{
- unsigned int i;
- int sum;
+ unsigned int i;
+ int sum;
- if (id != RETRO_MEMORY_SAVE_RAM)
- return 0;
+ if (id != RETRO_MEMORY_SAVE_RAM)
+ return 0;
- if (PicoAHW & PAHW_MCD)
- // bram
- return 0x2000;
+ if (PicoAHW & PAHW_MCD)
+ // bram
+ return 0x2000;
- if (Pico.m.frame_count == 0)
- return SRam.size;
+ if (Pico.m.frame_count == 0)
+ return SRam.size;
- // if game doesn't write to sram, don't report it to
- // libretro so that RA doesn't write out zeroed .srm
- for (i = 0, sum = 0; i < SRam.size; i++)
- sum |= SRam.data[i];
+ // if game doesn't write to sram, don't report it to
+ // libretro so that RA doesn't write out zeroed .srm
+ for (i = 0, sum = 0; i < SRam.size; i++)
+ sum |= SRam.data[i];
- return (sum != 0) ? SRam.size : 0;
+ return (sum != 0) ? SRam.size : 0;
}
void retro_reset(void)
{
- PicoReset();
+ PicoReset();
}
static const unsigned short retro_pico_map[] = {
- 1 << GBTN_B,
- 1 << GBTN_A,
- 1 << GBTN_MODE,
- 1 << GBTN_START,
- 1 << GBTN_UP,
- 1 << GBTN_DOWN,
- 1 << GBTN_LEFT,
- 1 << GBTN_RIGHT,
- 1 << GBTN_C,
- 1 << GBTN_Y,
- 1 << GBTN_X,
- 1 << GBTN_Z,
+ 1 << GBTN_B,
+ 1 << GBTN_A,
+ 1 << GBTN_MODE,
+ 1 << GBTN_START,
+ 1 << GBTN_UP,
+ 1 << GBTN_DOWN,
+ 1 << GBTN_LEFT,
+ 1 << GBTN_RIGHT,
+ 1 << GBTN_C,
+ 1 << GBTN_Y,
+ 1 << GBTN_X,
+ 1 << GBTN_Z,
};
#define RETRO_PICO_MAP_LEN (sizeof(retro_pico_map) / sizeof(retro_pico_map[0]))
static void snd_write(int len)
{
- audio_batch_cb(PsndOut, len / 4);
+ audio_batch_cb(PsndOut, len / 4);
}
static enum input_device input_name_to_val(const char *name)
{
- if (strcmp(name, "3 button pad") == 0)
- return PICO_INPUT_PAD_3BTN;
- if (strcmp(name, "6 button pad") == 0)
- return PICO_INPUT_PAD_6BTN;
- if (strcmp(name, "None") == 0)
- return PICO_INPUT_NOTHING;
+ if (strcmp(name, "3 button pad") == 0)
+ return PICO_INPUT_PAD_3BTN;
+ if (strcmp(name, "6 button pad") == 0)
+ return PICO_INPUT_PAD_6BTN;
+ if (strcmp(name, "None") == 0)
+ return PICO_INPUT_NOTHING;
if (log_cb)
log_cb(RETRO_LOG_WARN, "invalid picodrive_input: '%s'\n", name);
- return PICO_INPUT_PAD_3BTN;
+ return PICO_INPUT_PAD_3BTN;
}
static void update_variables(void)
{
- struct retro_variable var;
-
- var.value = NULL;
- var.key = "picodrive_input1";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
- PicoSetInputDevice(0, input_name_to_val(var.value));
-
- var.value = NULL;
- var.key = "picodrive_input2";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
- PicoSetInputDevice(1, input_name_to_val(var.value));
-
- var.value = NULL;
- var.key = "picodrive_sprlim";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
- if (strcmp(var.value, "enabled") == 0)
- PicoOpt |= POPT_DIS_SPRITE_LIM;
- else
- PicoOpt &= ~POPT_DIS_SPRITE_LIM;
- }
-
- var.value = NULL;
- var.key = "picodrive_ramcart";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
- if (strcmp(var.value, "enabled") == 0)
- PicoOpt |= POPT_EN_MCD_RAMCART;
- else
- PicoOpt &= ~POPT_EN_MCD_RAMCART;
- }
-
- var.value = NULL;
- var.key = "picodrive_region";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
- if (strcmp(var.value, "Auto") == 0)
- PicoRegionOverride = 0;
- else if (strcmp(var.value, "Japan NTSC") == 0)
- PicoRegionOverride = 1;
- else if (strcmp(var.value, "Japan PAL") == 0)
- PicoRegionOverride = 2;
- else if (strcmp(var.value, "US") == 0)
- PicoRegionOverride = 4;
- else if (strcmp(var.value, "Europe") == 0)
- PicoRegionOverride = 8;
- }
+ struct retro_variable var;
+
+ var.value = NULL;
+ var.key = "picodrive_input1";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+ PicoSetInputDevice(0, input_name_to_val(var.value));
+
+ var.value = NULL;
+ var.key = "picodrive_input2";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+ PicoSetInputDevice(1, input_name_to_val(var.value));
+
+ var.value = NULL;
+ var.key = "picodrive_sprlim";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "enabled") == 0)
+ PicoOpt |= POPT_DIS_SPRITE_LIM;
+ else
+ PicoOpt &= ~POPT_DIS_SPRITE_LIM;
+ }
+
+ var.value = NULL;
+ var.key = "picodrive_ramcart";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "enabled") == 0)
+ PicoOpt |= POPT_EN_MCD_RAMCART;
+ else
+ PicoOpt &= ~POPT_EN_MCD_RAMCART;
+ }
+
+ var.value = NULL;
+ var.key = "picodrive_region";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "Auto") == 0)
+ PicoRegionOverride = 0;
+ else if (strcmp(var.value, "Japan NTSC") == 0)
+ PicoRegionOverride = 1;
+ else if (strcmp(var.value, "Japan PAL") == 0)
+ PicoRegionOverride = 2;
+ else if (strcmp(var.value, "US") == 0)
+ PicoRegionOverride = 4;
+ else if (strcmp(var.value, "Europe") == 0)
+ PicoRegionOverride = 8;
+ }
#ifdef DRC_SH2
- var.value = NULL;
- var.key = "picodrive_drc";
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
- if (strcmp(var.value, "enabled") == 0)
- PicoOpt |= POPT_EN_DRC;
- else
- PicoOpt &= ~POPT_EN_DRC;
- }
+ var.value = NULL;
+ var.key = "picodrive_drc";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "enabled") == 0)
+ PicoOpt |= POPT_EN_DRC;
+ else
+ PicoOpt &= ~POPT_EN_DRC;
+ }
#endif
#ifdef _3DS
if(!ctr_svchack_successful)
#endif
}
-void retro_run(void)
+void retro_run(void)
{
- bool updated = false;
- int pad, i;
+ bool updated = false;
+ int pad, i;
- if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
- update_variables();
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
+ update_variables();
input_poll_cb();
- PicoPad[0] = PicoPad[1] = 0;
- for (pad = 0; pad < 2; pad++)
- for (i = 0; i < RETRO_PICO_MAP_LEN; i++)
- if (input_state_cb(pad, RETRO_DEVICE_JOYPAD, 0, i))
- PicoPad[pad] |= retro_pico_map[i];
+ PicoPad[0] = PicoPad[1] = 0;
+ for (pad = 0; pad < 2; pad++)
+ for (i = 0; i < RETRO_PICO_MAP_LEN; i++)
+ if (input_state_cb(pad, RETRO_DEVICE_JOYPAD, 0, i))
+ PicoPad[pad] |= retro_pico_map[i];
- PicoFrame();
+ PicoFrame();
- video_cb((short *)vout_buf + vout_offset,
- vout_width, vout_height, vout_width * 2);
+ video_cb((short *)vout_buf + vout_offset,
+ vout_width, vout_height, vout_width * 2);
}
static void check_system_specs(void)
void retro_init(void)
{
struct retro_log_callback log;
- int level;
+ int level;
- level = 0;
- environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+ level = 0;
+ environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log))
log_cb = log.log;
else
log_cb = NULL;
- environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
+ environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
#ifdef _3DS
ctr_svchack_successful = ctr_svchack_init();
#endif
- PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80
- | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX
- | POPT_EN_32X|POPT_EN_PWM
- | POPT_ACC_SPRITES|POPT_DIS_32C_BORDER;
+ PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80
+ | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_MCD_GFX
+ | POPT_EN_32X|POPT_EN_PWM
+ | POPT_ACC_SPRITES|POPT_DIS_32C_BORDER;
#ifdef __arm__
#ifdef _3DS
if (ctr_svchack_successful)
#endif
PicoOpt |= POPT_EN_DRC;
#endif
- PsndRate = 44100;
- PicoAutoRgnOrder = 0x184; // US, EU, JP
+ PsndRate = 44100;
+ PicoAutoRgnOrder = 0x184; // US, EU, JP
- vout_width = 320;
+ vout_width = 320;
vout_height = 240;
vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
PicoDrawSetOutFormat(PDF_RGB555, 0);
PicoDrawSetOutBuf(vout_buf, vout_width * 2);
- //PicoMessage = plat_status_msg_busy_next;
- PicoMCDopenTray = disk_tray_open;
- PicoMCDcloseTray = disk_tray_close;
+ //PicoMessage = plat_status_msg_busy_next;
+ PicoMCDopenTray = disk_tray_open;
+ PicoMCDcloseTray = disk_tray_close;
update_variables();
}
void retro_deinit(void)
{
- PicoExit();
+ PicoExit();
}
notaz.gp2x.de / picodrive.git / commitdiff