--- /dev/null
+/*
+ * 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.
+ */
+
+#define _GNU_SOURCE 1 // mremap
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#ifndef _WIN32
+#ifndef NO_MMAP
+#include <sys/mman.h>
+#endif
+#else
+#include <io.h>
+#include <windows.h>
+#include <sys/types.h>
+#endif
+#include <errno.h>
+#ifdef __MACH__
+#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"
+
+static retro_log_printf_t log_cb;
+static retro_video_refresh_t video_cb;
+static retro_input_poll_t input_poll_cb;
+static retro_input_state_t input_state_cb;
+static retro_environment_t environ_cb;
+static retro_audio_sample_batch_t audio_batch_cb;
+
+#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];
+#else
+static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
+#endif
+
+static void snd_write(int len);
+
+#ifdef _WIN32
+#define SLASH '\\'
+#else
+#define SLASH '/'
+#endif
+
+/* functions called by the core */
+
+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);
+#elif defined(__MACH__)
+ 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);
+#endif
+#endif
+}
+
+#ifdef _WIN32
+/* mmap() replacement for Windows
+ *
+ * Author: Mike Frysinger <vapier@gentoo.org>
+ * Placed into the public domain
+ */
+
+/* References:
+ * CreateFileMapping: http://msdn.microsoft.com/en-us/library/aa366537(VS.85).aspx
+ * CloseHandle: http://msdn.microsoft.com/en-us/library/ms724211(VS.85).aspx
+ * MapViewOfFile: http://msdn.microsoft.com/en-us/library/aa366761(VS.85).aspx
+ * UnmapViewOfFile: http://msdn.microsoft.com/en-us/library/aa366882(VS.85).aspx
+ */
+
+#define PROT_READ 0x1
+#define PROT_WRITE 0x2
+/* This flag is only available in WinXP+ */
+#ifdef FILE_MAP_EXECUTE
+#define PROT_EXEC 0x4
+#else
+#define PROT_EXEC 0x0
+#define FILE_MAP_EXECUTE 0
+#endif
+
+#define MAP_SHARED 0x01
+#define MAP_PRIVATE 0x02
+#define MAP_ANONYMOUS 0x20
+#define MAP_ANON MAP_ANONYMOUS
+#define MAP_FAILED ((void *) -1)
+
+#ifdef __USE_FILE_OFFSET64
+# define DWORD_HI(x) (x >> 32)
+# define DWORD_LO(x) ((x) & 0xffffffff)
+#else
+# define DWORD_HI(x) (0)
+# define DWORD_LO(x) (x)
+#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;
+}
+
+static void munmap(void *addr, size_t length)
+{
+ UnmapViewOfFile(addr);
+ /* ruh-ro, we leaked handle from CreateFileMapping() ... */
+}
+#elif defined(NO_MMAP)
+#define PROT_EXEC 0x04
+#define MAP_FAILED 0
+#define PROT_READ 0
+#define PROT_WRITE 0
+#define MAP_PRIVATE 0
+#define MAP_ANONYMOUS 0
+
+void* mmap(void *desired_addr, size_t len, int mmap_prot, int mmap_flags, int fildes, size_t off)
+{
+ return malloc(len);
+}
+
+void munmap(void *base_addr, size_t len)
+{
+ free(base_addr);
+}
+
+int mprotect(void *addr, size_t len, int prot)
+{
+ /* stub - not really needed at this point since this codepath has no dynarecs */
+ return 0;
+}
+
+#endif
+
+#ifndef MAP_ANONYMOUS
+#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;
+ void *req, *ret;
+
+ req = (void *)addr;
+ ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
+ if (ret == MAP_FAILED) {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "mmap(%08lx, %zd) failed: %d\n", addr, size, errno);
+ return NULL;
+ }
+
+ if (addr != 0 && ret != (void *)addr) {
+ if (log_cb)
+ log_cb(RETRO_LOG_WARN, "warning: wanted to map @%08lx, got %p\n",
+ addr, ret);
+
+ if (is_fixed) {
+ munmap(ret, size);
+ return NULL;
+ }
+ }
+
+ 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;
+
+ 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;
+#endif
+}
+
+void plat_munmap(void *ptr, size_t size)
+{
+ if (ptr != NULL)
+ munmap(ptr, size);
+}
+#endif
+
+int plat_mem_set_exec(void *ptr, size_t size)
+{
+#ifdef _WIN32
+ 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;
+}
+
+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);
+ 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)
+{
+}
+
+void lprintf(const char *fmt, ...)
+{
+ char buffer[256];
+ va_list ap;
+ va_start(ap, fmt);
+ vsprintf(buffer, fmt, ap);
+ /* TODO - add 'level' param for warning/error messages? */
+ if (log_cb)
+ 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[] = {
+ { "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" },
+#endif
+ { NULL, NULL },
+ };
+
+ environ_cb = cb;
+
+ cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars);
+}
+
+void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
+void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
+void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
+void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
+void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
+
+unsigned retro_api_version(void)
+{
+ 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";
+#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 = 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;
+};
+
+size_t state_read(void *p, size_t size, size_t nmemb, void *file)
+{
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
+
+ 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;
+}
+
+size_t state_write(void *p, size_t size, size_t nmemb, void *file)
+{
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
+
+ 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;
+}
+
+size_t state_skip(void *p, size_t size, size_t nmemb, void *file)
+{
+ struct savestate_state *state = file;
+ size_t bsize = size * nmemb;
+
+ state->pos += bsize;
+ return bsize;
+}
+
+size_t state_eof(void *file)
+{
+ struct savestate_state *state = file;
+
+ 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;
+}
+
+/* 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;
+
+ ret = PicoStateFP(&state, 1, NULL, state_skip, NULL, state_fseek);
+ if (ret != 0)
+ return 0;
+
+ return state.pos;
+}
+
+bool retro_serialize(void *data, size_t size)
+{
+ struct savestate_state state = { 0, };
+ int ret;
+
+ state.save_buf = data;
+ state.size = size;
+ state.pos = 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;
+
+ state.load_buf = data;
+ state.size = size;
+ state.pos = 0;
+
+ ret = PicoStateFP(&state, 0, state_read, NULL,
+ state_eof, state_fseek);
+ return ret == 0;
+}
+
+typedef struct patch
+{
+ unsigned int addr;
+ unsigned short data;
+ unsigned char comp;
+} 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;
+
+ if (code=='\0') return;
+ strcpy(codeCopy,code);
+ buff = strtok(codeCopy,"+");
+
+ while (buff != NULL)
+ {
+ 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;
+ PicoPatches[PicoPatchCount].comp = pt.comp;
+ 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++;
+
+ buff = strtok(NULL,"+");
+ }
+}
+
+/* multidisk support */
+static bool disk_ejected;
+static unsigned int disk_current_index;
+static unsigned int disk_count;
+static struct disks_state {
+ char *fname;
+} disks[8];
+
+static bool disk_set_eject_state(bool ejected)
+{
+ // TODO?
+ disk_ejected = ejected;
+ return true;
+}
+
+static bool disk_get_eject_state(void)
+{
+ return disk_ejected;
+}
+
+static unsigned int disk_get_image_index(void)
+{
+ return disk_current_index;
+}
+
+static bool disk_set_image_index(unsigned int index)
+{
+ enum cd_img_type cd_type;
+ int ret;
+
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
+
+ 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;
+ }
+
+ 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) {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "Load failed, invalid CD image?\n");
+ return 0;
+ }
+
+ disk_current_index = index;
+ return true;
+}
+
+static unsigned int disk_get_num_images(void)
+{
+ return disk_count;
+}
+
+static bool disk_replace_image_index(unsigned index,
+ const struct retro_game_info *info)
+{
+ bool ret = true;
+
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
+
+ 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);
+ }
+
+ return ret;
+}
+
+static bool disk_add_image_index(void)
+{
+ if (disk_count >= sizeof(disks) / sizeof(disks[0]))
+ return false;
+
+ 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,
+};
+
+static void disk_tray_open(void)
+{
+ if (log_cb)
+ log_cb(RETRO_LOG_INFO, "cd tray open\n");
+ disk_ejected = 1;
+}
+
+static void disk_tray_close(void)
+{
+ if (log_cb)
+ log_cb(RETRO_LOG_INFO, "cd tray close\n");
+ disk_ejected = 0;
+}
+
+
+static const char * const biosfiles_us[] = {
+ "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"
+};
+static const char * const biosfiles_jp[] = {
+ "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 *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) {
+ if (log_cb)
+ log_cb(RETRO_LOG_INFO, "using bios: %s\n", path);
+ fclose(f);
+ return path;
+ }
+
+ 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;
+
+ 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_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, "B" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
+ { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
+ { 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" },
+
+ { 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, "B" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "C" },
+ { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" },
+ { 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" },
+
+ { 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 },
+ };
+
+ sram_reset();
+
+ 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;
+ }
+
+ if (info == NULL || info->path == NULL) {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "info->path required\n");
+ 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;
+ }
+ }
+
+ disk_current_index = 0;
+ disk_count = 1;
+ disks[0].fname = strdup(info->path);
+
+ make_system_path(carthw_path, sizeof(carthw_path), "carthw", ".cfg");
+
+ media_type = PicoLoadMedia(info->path, carthw_path,
+ find_bios, NULL);
+
+ 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:
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "Invalid CD image\n");
+ return false;
+ case PM_BAD_CD_NO_BIOS:
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "Missing BIOS\n");
+ return false;
+ case PM_ERROR:
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "Load error\n");
+ return false;
+ default:
+ break;
+ }
+
+ 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);
+
+ return true;
+}
+
+bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
+{
+ return false;
+}
+
+void retro_unload_game(void)
+{
+}
+
+unsigned retro_get_region(void)
+{
+ return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
+}
+
+void *retro_get_memory_data(unsigned type)
+{
+ 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.zram;
+ else
+ data = Pico.ram;
+ break;
+ default:
+ data = NULL;
+ break;
+ }
+
+ return data;
+}
+
+size_t retro_get_memory_size(unsigned type)
+{
+ 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 0x2000;
+ else
+ return sizeof(Pico.ram);
+
+ default:
+ return 0;
+ }
+
+}
+
+void retro_reset(void)
+{
+ 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,
+};
+#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);
+}
+
+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 (log_cb)
+ log_cb(RETRO_LOG_WARN, "invalid picodrive_input: '%s'\n", name);
+ 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;
+ }
+
+ 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;
+ }
+#endif
+#ifdef _3DS
+ if(!ctr_svchack_successful)
+ PicoOpt &= ~POPT_EN_DRC;
+#endif
+}
+
+void retro_run(void)
+{
+ bool updated = false;
+ int pad, i;
+
+ 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];
+
+ PicoPatchApply();
+ PicoFrame();
+
+ video_cb((short *)vout_buf + vout_offset,
+ vout_width, vout_height, vout_width * 2);
+}
+
+static void check_system_specs(void)
+{
+ /* TODO - set different performance level for 32X - 6 for ARM dynarec, higher for interpreter core */
+ unsigned level = 5;
+ environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+}
+
+void retro_init(void)
+{
+ struct retro_log_callback log;
+ int 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);
+
+#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;
+#ifdef __arm__
+#ifdef _3DS
+ if (ctr_svchack_successful)
+#endif
+ PicoOpt |= POPT_EN_DRC;
+#endif
+ PsndRate = 44100;
+ PicoAutoRgnOrder = 0x184; // US, EU, JP
+
+ 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);
+
+ //PicoMessage = plat_status_msg_busy_next;
+ PicoMCDopenTray = disk_tray_open;
+ PicoMCDcloseTray = disk_tray_close;
+
+ update_variables();
+}
+
+void retro_deinit(void)
+{
+#ifdef _3DS
+ linearFree(vout_buf);
+#else
+ free(vout_buf);
+#endif
+ vout_buf = NULL;
+ PicoExit();
+}
notaz.gp2x.de / picodrive.git / blobdiff