/*
* libretro core glue for PicoDrive
* (C) notaz, 2013
+ * (C) aliaspider, 2016
+ * (C) Daniel De Matteis, 2013
*
* This work is licensed under the terms of MAME license.
* See COPYING file in the top-level directory.
#include <libkern/OSCacheControl.h>
#endif
+#ifdef _3DS
+#include "3ds/3ds_utils.h"
+#define MEMOP_MAP 4
+#define MEMOP_UNMAP 5
+#define MEMOP_PROT 6
+
+int svcDuplicateHandle(unsigned int* out, unsigned int original);
+int svcCloseHandle(unsigned int handle);
+int svcControlProcessMemory(unsigned int process, void* addr0, void* addr1,
+ unsigned int size, unsigned int type, unsigned int perm);
+void* linearMemAlign(size_t size, size_t alignment);
+void linearFree(void* mem);
+
+static int ctr_svchack_successful = 0;
+
+#elif defined(VITA)
+#define TARGET_SIZE_2 24 // 2^24 = 16 megabytes
+
+#include <psp2/kernel/sysmem.h>
+static int sceBlock;
+int getVMBlock();
+int _newlib_vm_size_user = 1 << TARGET_SIZE_2;
+
+#endif
+
#include <pico/pico_int.h>
#include <pico/state.h>
+#include <pico/patch.h>
#include "../common/input_pico.h"
#include "../common/version.h"
#include "libretro.h"
#define VOUT_MAX_WIDTH 320
#define VOUT_MAX_HEIGHT 240
+
+static const float VOUT_PAR = 0.0;
+static const float VOUT_4_3 = (224.0f * (4.0f / 3.0f));
+static const float VOUT_CRT = (224.0f * 1.29911f);
+
+bool show_overscan = false;
+
static void *vout_buf;
static int vout_width, vout_height, vout_offset;
+static float user_vout_width = 0.0;
#ifdef _MSC_VER
static short sndBuffer[2*44100/50];
void cache_flush_d_inval_i(void *start, void *end)
{
#ifdef __arm__
+ size_t len = (char *)end - (char *)start;
#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);
+ sys_dcache_flush(start, len);
+ sys_icache_invalidate(start, len);
+#elif defined(_3DS)
+ ctr_flush_invalidate_cache();
+#elif defined(VITA)
+ sceKernelSyncVMDomain(sceBlock, start, len);
#else
- __clear_cache(start, end);
+ __clear_cache(start, end);
#endif
#endif
}
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
#define MAP_ANONYMOUS MAP_ANON
#endif
+#ifdef _3DS
+typedef struct
+{
+ unsigned int requested_map;
+ void* buffer;
+}pico_mmap_t;
+
+pico_mmap_t pico_mmaps[] = {
+ {0x02000000, 0},
+ {0x06000000, 0},
+ {NULL, 0}
+};
+
+void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
+{
+ (void)is_fixed;
+
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == addr))
+ {
+ unsigned int ptr_aligned, tmp;
+ unsigned int currentHandle;
+ unsigned int perm = 0b011;
+
+ if (need_exec)
+ perm = 0b111;
+
+ size = (size + 0xFFF) & ~0xFFF;
+ pico_mmap->buffer = malloc(size + 0x1000);
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ if(svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, size, MEMOP_MAP, perm) < 0)
+ {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "could not map memory @0x%08X\n", pico_mmap->requested_map);
+ exit(1);
+ }
+
+ svcCloseHandle(currentHandle);
+ return (void*)pico_mmap->requested_map;
+ }
+ }
+ }
+
+ return malloc(size);
+}
+
+void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
+{
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == (unsigned int)ptr))
+ {
+ unsigned int ptr_aligned;
+ unsigned int currentHandle;
+ void* tmp;
+
+ oldsize = (oldsize + 0xFFF) & ~0xFFF;
+ newsize = (newsize + 0xFFF) & ~0xFFF;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, oldsize, MEMOP_UNMAP, 0b011);
+
+ tmp = realloc(pico_mmap->buffer, newsize + 0x1000);
+ if(!tmp)
+ return NULL;
+
+ pico_mmap->buffer = tmp;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, newsize, MEMOP_MAP, 0x3);
+
+ svcCloseHandle(currentHandle);
+
+ return ptr;
+ }
+ }
+ }
+
+ return realloc(ptr, newsize);
+
+}
+void plat_munmap(void *ptr, size_t size)
+{
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == (unsigned int)ptr))
+ {
+ unsigned int ptr_aligned;
+ unsigned int currentHandle;
+
+ size = (size + 0xFFF) & ~0xFFF;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ svcControlProcessMemory(currentHandle, (void*)pico_mmap->requested_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0b011);
+
+ svcCloseHandle(currentHandle);
+
+ free(pico_mmap->buffer);
+ pico_mmap->buffer = NULL;
+ return;
+ }
+ }
+ }
+
+ free(ptr);
+}
+
+#else
void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
{
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
}
}
- 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
int plat_mem_set_exec(void *ptr, size_t size)
{
int ret = VirtualProtect(ptr,size,PAGE_EXECUTE_READWRITE,0);
if (ret == 0 && log_cb)
log_cb(RETRO_LOG_ERROR, "mprotect(%p, %zd) failed: %d\n", ptr, size, 0);
+#elif defined(_3DS)
+ int ret = -1;
+ if (ctr_svchack_successful)
+ {
+ unsigned int currentHandle;
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+ ret = svcControlProcessMemory(currentHandle, ptr, 0x0,
+ size, MEMOP_PROT, 0b111);
+ svcCloseHandle(currentHandle);
+ ctr_flush_invalidate_cache();
+
+ }
+ else
+ {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "plat_mem_set_exec called with no svcControlProcessMemory access\n");
+ exit(1);
+ }
+
+#elif defined(VITA)
+ int ret = sceKernelOpenVMDomain();
#else
int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
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);
-
- vout_height = line_count;
- vout_offset = vout_width * start_line;
+ memset(vout_buf, 0, 320 * 240 * 2);
+ vout_width = is_32cols ? 256 : 320;
+ PicoDrawSetOutBuf(vout_buf, vout_width * 2);
+ if (show_overscan == true) line_count += 16;
+ if (show_overscan == true) start_line -= 8;
+
+ vout_height = line_count;
+ vout_offset = vout_width * start_line;
+
+ // Update the geometry
+ struct retro_system_av_info av_info;
+ retro_get_system_av_info(&av_info);
+ environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &av_info);
}
void emu_32x_startup(void)
vsprintf(buffer, fmt, ap);
/* TODO - add 'level' param for warning/error messages? */
if (log_cb)
- log_cb(RETRO_LOG_INFO, "%s\n", fmt);
+ log_cb(RETRO_LOG_INFO, "%s", buffer);
+ va_end(ap);
}
/* 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[] = {
+ { "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" },
+ { "picodrive_region_fps", "Region FPS; Auto|NTSC|PAL" },
+ { "picodrive_aspect", "Core-provided aspect ratio; PAR|4/3|CRT" },
+ { "picodrive_overscan", "Show Overscan; disabled|enabled" },
#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";
+#ifndef GIT_VERSION
+#define GIT_VERSION ""
+#endif
+ info->library_version = VERSION GIT_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 = 0.0f;
+ memset(info, 0, sizeof(*info));
+ info->timing.fps = Pico.m.pal ? 50 : 60;
+ info->timing.sample_rate = 44100;
+ info->geometry.base_width = vout_width;
+ info->geometry.base_height = vout_height;
+ info->geometry.max_width = vout_width;
+ info->geometry.max_height = vout_height;
+
+ float common_width = vout_width;
+ if (user_vout_width != 0)
+ common_width = user_vout_width;
+
+ info->geometry.aspect_ratio = common_width / vout_height;
}
/* 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;
- }
+ bsize = state->size - state->pos;
+ if ((int)bsize <= 0)
+ return 0;
+ }
- memcpy(p, state->load_buf + state->pos, bsize);
- state->pos += bsize;
- return bsize;
+ 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;
- }
+ bsize = state->size - state->pos;
+ if ((int)bsize <= 0)
+ return 0;
+ }
- memcpy(state->save_buf + state->pos, p, bsize);
- state->pos += bsize;
- return bsize;
+ 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 */
+typedef struct patch
+{
+ unsigned int addr;
+ unsigned short data;
+} patch;
+
+extern void decode(char *buff, patch *dest);
+extern uint16_t m68k_read16(uint32_t a);
+extern void m68k_write16(uint32_t a, uint16_t d);
+
void retro_cheat_reset(void)
{
+ int i=0;
+ unsigned int addr;
+
+ for (i = 0; i < PicoPatchCount; i++)
+ {
+ addr = PicoPatches[i].addr;
+ if (addr < Pico.romsize) {
+ if (PicoPatches[i].active)
+ *(unsigned short *)(Pico.rom + addr) = PicoPatches[i].data_old;
+ } else {
+ if (PicoPatches[i].active)
+ m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
+ }
+ }
+
+ PicoPatchUnload();
}
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
+ patch pt;
+ int array_len = PicoPatchCount;
+ char codeCopy[256];
+ char *buff;
+ bool multiline=0;
+
+ strcpy(codeCopy,code);
+
+ if (strstr(code,"+")){
+ multiline=1;
+ buff = strtok(codeCopy,"+");
+ } else {
+ buff=codeCopy;
+ }
+
+ while (buff != NULL)
+ {
+ log_cb(RETRO_LOG_INFO,"Buff: %s\n",buff);
+ decode(buff, &pt);
+ if (pt.addr == (uint32_t) -1 || pt.data == (uint16_t) -1)
+ {
+ log_cb(RETRO_LOG_ERROR,"CHEATS: Invalid code: %s\n",buff);
+ return;
+ }
+
+ /* code was good, add it */
+ if (array_len < PicoPatchCount + 1)
+ {
+ void *ptr;
+ array_len *= 2;
+ array_len++;
+ ptr = realloc(PicoPatches, array_len * sizeof(PicoPatches[0]));
+ if (ptr == NULL) {
+ log_cb(RETRO_LOG_ERROR,"CHEATS: Failed to allocate memory for: %s\n",buff);
+ return;
+ }
+ PicoPatches = ptr;
+ }
+ strcpy(PicoPatches[PicoPatchCount].code, buff);
+
+ PicoPatches[PicoPatchCount].active = enabled;
+ PicoPatches[PicoPatchCount].addr = pt.addr;
+ PicoPatches[PicoPatchCount].data = pt.data;
+ if (PicoPatches[PicoPatchCount].addr < Pico.romsize)
+ PicoPatches[PicoPatchCount].data_old = *(uint16_t *)(Pico.rom + PicoPatches[PicoPatchCount].addr);
+ else
+ PicoPatches[PicoPatchCount].data_old = (uint16_t) m68k_read16(PicoPatches[PicoPatchCount].addr);
+ PicoPatchCount++;
+
+ if (!multiline)
+ break;
+ buff = strtok(NULL,"+");
+ }
}
/* multidisk support */
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;
+ 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);
- }
+ 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;
+ 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;
+ }
- make_system_path(path, sizeof(path), files[i], ".zip");
- f = fopen(path, "rb");
- if (f != NULL)
- break;
- }
+ 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 (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;
+static void sram_reset()
+{
+ SRam.data = NULL;
+ SRam.start = 0;
+ SRam.end = 0;
+ SRam.flags = '\0';
+ SRam.unused2 = '\0';
+ SRam.changed = '\0' ;
+ SRam.eeprom_type = '\0';
+ SRam.unused3 = '\0';
+ SRam.eeprom_bit_cl = '\0';
+ SRam.eeprom_bit_in = '\0';
+ SRam.eeprom_bit_out = '\0';
+ SRam.size = 0;
}
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" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 4, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 5, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 6, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
-
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "A" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "X" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "Z" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" },
- { 7, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT,"Mode" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
+
+ { 0 },
+ };
+
+ struct retro_input_descriptor desc_sms[] = {
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" },
+
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Button 1 Start" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Button 2" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Button Pause" },
{ 0 },
};
- environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
+ sram_reset();
- 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();
+ if (media_type == PM_MARK3)
+ environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc_sms);
+ else
+ environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
+
+ 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)
+void *retro_get_memory_data(unsigned type)
{
- if (id != RETRO_MEMORY_SAVE_RAM)
- return NULL;
+ uint8_t* data;
+
+ switch(type)
+ {
+ case RETRO_MEMORY_SAVE_RAM:
+ if (PicoAHW & PAHW_MCD)
+ data = Pico_mcd->bram;
+ else
+ data = SRam.data;
+ break;
+ case RETRO_MEMORY_SYSTEM_RAM:
+ if (PicoAHW & PAHW_SMS)
+ data = Pico.vramb;
+ else
+ data = Pico.ram;
+ break;
+ default:
+ data = NULL;
+ break;
+ }
- if (PicoAHW & PAHW_MCD)
- return Pico_mcd->bram;
- else
- return SRam.data;
+ return data;
}
-size_t retro_get_memory_size(unsigned id)
+size_t retro_get_memory_size(unsigned type)
{
- unsigned int i;
- int sum;
-
- if (id != RETRO_MEMORY_SAVE_RAM)
- return 0;
-
- if (PicoAHW & PAHW_MCD)
- // bram
- return 0x2000;
-
- 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];
+ unsigned int i;
+ int sum;
+
+ switch(type)
+ {
+ case RETRO_MEMORY_SAVE_RAM:
+ if (PicoAHW & PAHW_MCD)
+ // bram
+ return 0x2000;
+
+ 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];
+
+ return (sum != 0) ? SRam.size : 0;
+
+ case RETRO_MEMORY_SYSTEM_RAM:
+ if (PicoAHW & PAHW_SMS)
+ return sizeof(Pico.vramb);
+ else
+ return sizeof(Pico.ram);
+
+ default:
+ return 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;
- }
+ 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_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;
- }
+ int OldPicoRegionOverride = PicoRegionOverride;
+ 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;
+ }
+
+ int OldPicoRegionFPSOverride = PicoRegionFPSOverride;
+ var.value = NULL;
+ var.key = "picodrive_region_fps";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "Auto") == 0)
+ PicoRegionFPSOverride = 0;
+ else if (strcmp(var.value, "NTSC") == 0)
+ PicoRegionFPSOverride = 1;
+ else if (strcmp(var.value, "PAL") == 0)
+ PicoRegionFPSOverride = 2;
+ }
+
+ // Update region, fps and sound flags if needed
+ if (PicoRegionOverride != OldPicoRegionOverride ||
+ PicoRegionFPSOverride != OldPicoRegionFPSOverride)
+ {
+ PicoDetectRegion();
+ PicoLoopPrepare();
+ PsndRerate(1);
+ }
+
+ float old_user_vout_width = user_vout_width;
+ var.value = NULL;
+ var.key = "picodrive_aspect";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "4/3") == 0)
+ user_vout_width = VOUT_4_3;
+ else if (strcmp(var.value, "CRT") == 0)
+ user_vout_width = VOUT_CRT;
+ else
+ user_vout_width = VOUT_PAR;
+ }
+
+ var.value = NULL;
+ var.key = "picodrive_overscan";
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+ if (strcmp(var.value, "enabled") == 0)
+ show_overscan = true;
+ else
+ show_overscan = false;
+ }
+
+ if (user_vout_width != old_user_vout_width)
+ {
+ // Update the geometry
+ struct retro_system_av_info av_info;
+ retro_get_system_av_info(&av_info);
+ environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &av_info);
+ }
#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)
+ PicoOpt &= ~POPT_EN_DRC;
#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();
+ 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();
+ PicoPatchApply();
+ 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();
+#elif defined(VITA)
+ sceBlock = getVMBlock();
+#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__
- PicoOpt |= POPT_EN_DRC;
+#ifdef _3DS
+ if (ctr_svchack_successful)
#endif
- PsndRate = 44100;
- PicoAutoRgnOrder = 0x184; // US, EU, JP
+ PicoOpt |= POPT_EN_DRC;
+#endif
+ PsndRate = 44100;
+ PicoAutoRgnOrder = 0x184; // US, EU, JP
- vout_width = 320;
- vout_height = 240;
- vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
+ vout_width = 320;
+ vout_height = 240;
+#ifdef _3DS
+ vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
+#else
+ vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
+#endif
- PicoInit();
- PicoDrawSetOutFormat(PDF_RGB555, 0);
- PicoDrawSetOutBuf(vout_buf, vout_width * 2);
+ PicoInit();
+ 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();
+ update_variables();
}
void retro_deinit(void)
{
- PicoExit();
+#ifdef _3DS
+ linearFree(vout_buf);
+#else
+ free(vout_buf);
+#endif
+ vout_buf = NULL;
+ PicoExit();
}
notaz.gp2x.de / picodrive.git / blobdiff