#include "../libpcsxcore/psxcounters.h"
#include "../libpcsxcore/psxmem_map.h"
#include "../libpcsxcore/new_dynarec/new_dynarec.h"
+#include "../libpcsxcore/cdrom.h"
+#include "../libpcsxcore/cdriso.h"
+#include "../libpcsxcore/cheat.h"
#include "../plugins/dfsound/out.h"
-#include "../plugins/gpulib/cspace.h"
+#include "cspace.h"
#include "main.h"
#include "plugin.h"
#include "plugin_lib.h"
static retro_audio_sample_batch_t audio_batch_cb;
static void *vout_buf;
+static int vout_width, vout_height;
+static int vout_doffs_old, vout_fb_dirty;
+static bool vout_can_dupe;
+
static int samples_sent, samples_to_send;
static int plugins_opened;
+static int is_pal_mode;
/* memory card data */
extern char Mcd1Data[MCD_SIZE];
int in_keystate;
int in_enable_vibration;
+static void init_memcard(char *mcd_data)
+{
+ unsigned off = 0;
+ unsigned i;
+
+ memset(mcd_data, 0, MCD_SIZE);
+
+ mcd_data[off++] = 'M';
+ mcd_data[off++] = 'C';
+ off += 0x7d;
+ mcd_data[off++] = 0x0e;
+
+ for (i = 0; i < 15; i++) {
+ mcd_data[off++] = 0xa0;
+ off += 0x07;
+ mcd_data[off++] = 0xff;
+ mcd_data[off++] = 0xff;
+ off += 0x75;
+ mcd_data[off++] = 0xa0;
+ }
+
+ for (i = 0; i < 20; i++) {
+ mcd_data[off++] = 0xff;
+ mcd_data[off++] = 0xff;
+ mcd_data[off++] = 0xff;
+ mcd_data[off++] = 0xff;
+ off += 0x04;
+ mcd_data[off++] = 0xff;
+ mcd_data[off++] = 0xff;
+ off += 0x76;
+ }
+}
+
static int vout_open(void)
{
return 0;
static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
{
+ vout_width = w;
+ vout_height = h;
}
-#ifdef FRONTEND_SUPPORTS_RGB565
+#ifndef FRONTEND_SUPPORTS_RGB565
static void convert(void *buf, size_t bytes)
{
unsigned int i, v, *p = buf;
}
#endif
-static unsigned game_width;
-static unsigned game_height;
-
static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
{
unsigned short *dest = vout_buf;
const unsigned short *src = vram;
- int dstride = w, h1 = h;
+ int dstride = vout_width, h1 = h;
+ int doffs;
if (vram == NULL) {
// blanking
goto out;
}
+ doffs = (vout_height - h) * dstride;
+ doffs += (dstride - w) / 2 & ~1;
+ if (doffs != vout_doffs_old) {
+ // clear borders
+ memset(vout_buf, 0, dstride * h * 2);
+ vout_doffs_old = doffs;
+ }
+ dest += doffs;
+
if (bgr24)
{
// XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
out:
#ifndef FRONTEND_SUPPORTS_RGB565
- convert(vout_buf, w * h * 2);
+ convert(vout_buf, vout_width * vout_height * 2);
#endif
- game_width = w;
- game_height = h;
+ vout_fb_dirty = 1;
pl_rearmed_cbs.flip_cnt++;
}
void pl_timing_prepare(int is_pal)
{
+ is_pal_mode = is_pal;
}
void plat_trigger_vibrate(int is_strong)
}
/* libretro */
-void retro_set_environment(retro_environment_t cb) { environ_cb = cb; }
+void retro_set_environment(retro_environment_t cb)
+{
+#ifdef __ARM_NEON__
+ static const struct retro_variable vars[] = {
+ { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
+ { NULL, NULL },
+ };
+
+ environ_cb = cb;
+
+ cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
+#else
+ environ_cb = cb;
+#endif
+}
+
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; }
{
memset(info, 0, sizeof(*info));
info->library_name = "PCSX-ReARMed";
- info->library_version = REV;
- info->valid_extensions = "bin|cue|img|mdf|pbp|cbn";
+ info->library_version = "r19";
+ info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u";
info->need_fullpath = true;
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
memset(info, 0, sizeof(*info));
- info->timing.fps = 60;
+ info->timing.fps = is_pal_mode ? 50 : 60;
info->timing.sample_rate = 44100;
info->geometry.base_width = 320;
info->geometry.base_height = 240;
info->geometry.aspect_ratio = 4.0 / 3.0;
}
-/* TODO */
+/* savestates */
size_t retro_serialize_size(void)
{
- return 0;
+ // it's currently 4380651 bytes, but have some reserved for future
+ return 0x430000;
+}
+
+struct save_fp {
+ char *buf;
+ size_t pos;
+ int is_write;
+};
+
+static void *save_open(const char *name, const char *mode)
+{
+ struct save_fp *fp;
+
+ if (name == NULL || mode == NULL)
+ return NULL;
+
+ fp = malloc(sizeof(*fp));
+ if (fp == NULL)
+ return NULL;
+
+ fp->buf = (char *)name;
+ fp->pos = 0;
+ fp->is_write = (mode[0] == 'w' || mode[1] == 'w');
+
+ return fp;
+}
+
+static int save_read(void *file, void *buf, u32 len)
+{
+ struct save_fp *fp = file;
+ if (fp == NULL || buf == NULL)
+ return -1;
+
+ memcpy(buf, fp->buf + fp->pos, len);
+ fp->pos += len;
+ return len;
+}
+
+static int save_write(void *file, const void *buf, u32 len)
+{
+ struct save_fp *fp = file;
+ if (fp == NULL || buf == NULL)
+ return -1;
+
+ memcpy(fp->buf + fp->pos, buf, len);
+ fp->pos += len;
+ return len;
+}
+
+static long save_seek(void *file, long offs, int whence)
+{
+ struct save_fp *fp = file;
+ if (fp == NULL)
+ return -1;
+
+ switch (whence) {
+ case SEEK_CUR:
+ fp->pos += offs;
+ return fp->pos;
+ case SEEK_SET:
+ fp->pos = offs;
+ return fp->pos;
+ default:
+ return -1;
+ }
+}
+
+static void save_close(void *file)
+{
+ struct save_fp *fp = file;
+ size_t r_size = retro_serialize_size();
+ if (fp == NULL)
+ return;
+
+ if (fp->pos > r_size)
+ SysPrintf("ERROR: save buffer overflow detected\n");
+ else if (fp->is_write && fp->pos < r_size)
+ // make sure we don't save trash in leftover space
+ memset(fp->buf + fp->pos, 0, r_size - fp->pos);
+ free(fp);
}
bool retro_serialize(void *data, size_t size)
{
- return false;
+ int ret = SaveState(data);
+ return ret == 0 ? true : false;
}
bool retro_unserialize(const void *data, size_t size)
{
- return false;
+ int ret = LoadState(data);
+ return ret == 0 ? true : false;
}
+/* cheats */
void retro_cheat_reset(void)
{
+ ClearAllCheats();
}
void retro_cheat_set(unsigned index, bool enabled, const char *code)
{
+ char buf[256];
+ int ret;
+
+ // cheat funcs are destructive, need a copy..
+ strncpy(buf, code, sizeof(buf));
+ buf[sizeof(buf) - 1] = 0;
+
+ if (index < NumCheats)
+ ret = EditCheat(index, "", buf);
+ else
+ ret = AddCheat("", buf);
+
+ if (ret != 0)
+ SysPrintf("Failed to set cheat %#u\n", index);
+ else if (index < NumCheats)
+ Cheats[index].Enabled = enabled;
+}
+
+/* multidisk support */
+static bool disk_ejected;
+static unsigned int disk_current_index;
+static unsigned int disk_count;
+static struct disks_state {
+ char *fname;
+ int internal_index; // for multidisk eboots
+} disks[8];
+
+static bool disk_set_eject_state(bool ejected)
+{
+ // weird PCSX API..
+ SetCdOpenCaseTime(ejected ? -1 : (time(NULL) + 2));
+ LidInterrupt();
+
+ disk_ejected = ejected;
+ return true;
+}
+
+static bool disk_get_eject_state(void)
+{
+ /* can't be controlled by emulated software */
+ return disk_ejected;
+}
+
+static unsigned int disk_get_image_index(void)
+{
+ return disk_current_index;
+}
+
+static bool disk_set_image_index(unsigned int index)
+{
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
+
+ CdromId[0] = '\0';
+ CdromLabel[0] = '\0';
+
+ if (disks[index].fname == NULL) {
+ SysPrintf("missing disk #%u\n", index);
+ CDR_shutdown();
+
+ // RetroArch specifies "no disk" with index == count,
+ // so don't fail here..
+ disk_current_index = index;
+ return true;
+ }
+
+ SysPrintf("switching to disk %u: \"%s\" #%d\n", index,
+ disks[index].fname, disks[index].internal_index);
+
+ cdrIsoMultidiskSelect = disks[index].internal_index;
+ set_cd_image(disks[index].fname);
+ if (ReloadCdromPlugin() < 0) {
+ SysPrintf("failed to load cdr plugin\n");
+ return false;
+ }
+ if (CDR_open() < 0) {
+ SysPrintf("failed to open cdr plugin\n");
+ return false;
+ }
+
+ if (!disk_ejected) {
+ SetCdOpenCaseTime(time(NULL) + 2);
+ LidInterrupt();
+ }
+
+ 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)
+{
+ char *old_fname;
+ bool ret = true;
+
+ if (index >= sizeof(disks) / sizeof(disks[0]))
+ return false;
+
+ old_fname = disks[index].fname;
+ disks[index].fname = NULL;
+ disks[index].internal_index = 0;
+
+ if (info != NULL) {
+ disks[index].fname = strdup(info->path);
+ if (index == disk_current_index)
+ ret = disk_set_image_index(index);
+ }
+
+ if (old_fname != NULL)
+ free(old_fname);
+
+ return ret;
+}
+
+static bool disk_add_image_index(void)
+{
+ if (disk_count >= 8)
+ return false;
+
+ disk_count++;
+ return true;
+}
+
+static struct retro_disk_control_callback disk_control = {
+ .set_eject_state = disk_set_eject_state,
+ .get_eject_state = disk_get_eject_state,
+ .get_image_index = disk_get_image_index,
+ .set_image_index = disk_set_image_index,
+ .get_num_images = disk_get_num_images,
+ .replace_image_index = disk_replace_image_index,
+ .add_image_index = disk_add_image_index,
+};
+
+// just in case, maybe a win-rt port in the future?
+#ifdef _WIN32
+#define SLASH '\\'
+#else
+#define SLASH '/'
+#endif
+
+static char base_dir[PATH_MAX];
+
+static bool read_m3u(const char *file)
+{
+ char line[PATH_MAX];
+ char name[PATH_MAX];
+ FILE *f = fopen(file, "r");
+ if (!f)
+ return false;
+
+ while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0])) {
+ if (line[0] == '#')
+ continue;
+ char *carrige_return = strchr(line, '\r');
+ if (carrige_return)
+ *carrige_return = '\0';
+ char *newline = strchr(line, '\n');
+ if (newline)
+ *newline = '\0';
+
+ if (line[0] != '\0')
+ {
+ snprintf(name, sizeof(name), "%s%c%s", base_dir, SLASH, line);
+ disks[disk_count++].fname = strdup(name);
+ }
+ }
+
+ fclose(f);
+ return (disk_count != 0);
+}
+
+static void extract_directory(char *buf, const char *path, size_t size)
+{
+ char *base;
+ strncpy(buf, path, size - 1);
+ buf[size - 1] = '\0';
+
+ base = strrchr(buf, '/');
+ if (!base)
+ base = strrchr(buf, '\\');
+
+ if (base)
+ *base = '\0';
+ else
+ {
+ buf[0] = '.';
+ buf[1] = '\0';
+ }
}
bool retro_load_game(const struct retro_game_info *info)
{
+ size_t i;
+ bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
+
#ifdef FRONTEND_SUPPORTS_RGB565
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
- fprintf(stderr, "RGB565 supported, using it\n");
+ SysPrintf("RGB565 supported, using it\n");
}
#endif
+ if (info == NULL || info->path == NULL) {
+ SysPrintf("info->path required\n");
+ return false;
+ }
+
if (plugins_opened) {
ClosePlugins();
plugins_opened = 0;
}
- set_cd_image(info->path);
+ for (i = 0; i < sizeof(disks) / sizeof(disks[0]); i++) {
+ if (disks[i].fname != NULL) {
+ free(disks[i].fname);
+ disks[i].fname = NULL;
+ }
+ disks[i].internal_index = 0;
+ }
+
+ disk_current_index = 0;
+ extract_directory(base_dir, info->path, sizeof(base_dir));
+
+ if (is_m3u) {
+ if (!read_m3u(info->path)) {
+ SysPrintf("failed to read m3u file\n");
+ return false;
+ }
+ } else {
+ disk_count = 1;
+ disks[0].fname = strdup(info->path);
+ }
+
+ set_cd_image(disks[0].fname);
/* have to reload after set_cd_image for correct cdr plugin */
if (LoadPlugins() == -1) {
- printf("faled to load plugins\n");
+ SysPrintf("failed to load plugins\n");
return false;
}
NetOpened = 0;
if (OpenPlugins() == -1) {
- printf("faled to open plugins\n");
+ SysPrintf("failed to open plugins\n");
return false;
}
Config.PsxAuto = 1;
if (CheckCdrom() == -1) {
- printf("unsupported/invalid CD image: %s\n", info->path);
+ SysPrintf("unsupported/invalid CD image: %s\n", info->path);
return false;
}
SysReset();
if (LoadCdrom() == -1) {
- printf("could not load CD-ROM!\n");
+ SysPrintf("could not load CD-ROM!\n");
return false;
}
emu_on_new_cd(0);
+ // multidisk images
+ if (!is_m3u) {
+ disk_count = cdrIsoMultidiskCount < 8 ? cdrIsoMultidiskCount : 8;
+ for (i = 1; i < sizeof(disks) / sizeof(disks[0]) && i < cdrIsoMultidiskCount; i++) {
+ disks[i].fname = strdup(info->path);
+ disks[i].internal_index = i;
+ }
+ }
+
return true;
}
unsigned retro_get_region(void)
{
- return RETRO_REGION_NTSC;
+ return is_pal_mode ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
}
void *retro_get_memory_data(unsigned id)
{
- return Mcd1Data;
+ if (id == RETRO_MEMORY_SAVE_RAM)
+ return Mcd1Data;
+ else
+ return NULL;
}
size_t retro_get_memory_size(unsigned id)
{
- return MCD_SIZE;
+ if (id == RETRO_MEMORY_SAVE_RAM)
+ return MCD_SIZE;
+ else
+ return 0;
}
void retro_reset(void)
};
#define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
+static void update_variables(void)
+{
+#ifdef __ARM_NEON__
+ struct retro_variable var;
+ var.value = NULL;
+ var.key = "neon_enhancement_enable";
+
+ if (!environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || !var.value)
+ return;
+
+ if (strcmp(var.value, "disabled") == 0)
+ pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
+ else if (strcmp(var.value, "enabled") == 0)
+ pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
+#endif
+}
+
void retro_run(void)
{
int i;
input_poll_cb();
+
+ bool updated = false;
+ if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
+ update_variables();
+
in_keystate = 0;
for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
stop = 0;
psxCpu->Execute();
- samples_to_send += 44100 / 60;
- video_cb(vout_buf, game_width, game_height, game_width * 2);
+ samples_to_send += is_pal_mode ? 44100 / 50 : 44100 / 60;
+
+ video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL,
+ vout_width, vout_height, vout_width * 2);
+ vout_fb_dirty = 0;
}
void retro_init(void)
ret = emu_core_preinit();
ret |= emu_core_init();
if (ret != 0) {
- printf("PCSX init failed, sorry\n");
+ SysPrintf("PCSX init failed.\n");
exit(1);
}
}
}
if (f != NULL) {
- printf("found BIOS file: %s\n", Config.Bios);
+ SysPrintf("found BIOS file: %s\n", Config.Bios);
fclose(f);
}
else
- printf("no BIOS files found.\n");
+ SysPrintf("no BIOS files found.\n");
level = 1;
environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+ environ_cb(RETRO_ENVIRONMENT_GET_CAN_DUPE, &vout_can_dupe);
+ environ_cb(RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE, &disk_control);
+
+ /* Set how much slower PSX CPU runs * 100 (so that 200 is 2 times)
+ * we have to do this because cache misses and some IO penalties
+ * are not emulated. Warning: changing this may break compatibility. */
+#ifdef __ARM_ARCH_7A__
+ cycle_multiplier = 175;
+#else
+ cycle_multiplier = 200;
+#endif
+
McdDisable[0] = 0;
McdDisable[1] = 1;
+ init_memcard(Mcd1Data);
+
+ SaveFuncs.open = save_open;
+ SaveFuncs.read = save_read;
+ SaveFuncs.write = save_write;
+ SaveFuncs.seek = save_seek;
+ SaveFuncs.close = save_close;
+
+ update_variables();
}
void retro_deinit(void)
notaz.gp2x.de / pcsx_rearmed.git / blobdiff