X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=370242dc951feb4ef5c5ca02f192bd5fbe087636;hb=1eb704b6332072581bf7c3bc411babc66f8bda8a;hp=507437af4fe0b6eb7b0ce6b6e0411bf75f401270;hpb=35cbf2ec89d87204288d4d40ad46bf77361e5cfe;p=libpicofe.git
diff --git a/common/emu.c b/common/emu.c
index 507437a..370242d 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -41,9 +41,11 @@ int pico_pen_x = 320/2, pico_pen_y = 240/2;
int pico_inp_mode = 0;
int engineState = PGS_Menu;
+/* tmp buff to reduce stack usage for plats with small stack */
+static char static_buff[512];
/* TODO: len checking */
-char rom_fname_reload[512] = { 0, };
-char rom_fname_loaded[512] = { 0, };
+char rom_fname_reload[512];
+char rom_fname_loaded[512];
int rom_loaded = 0;
int reset_timing = 0;
static unsigned int notice_msg_time; /* when started showing */
@@ -113,7 +115,6 @@ static const char * const biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
static int find_bios(int region, char **bios_file)
{
- static char bios_path[1024];
int i, count;
const char * const *files;
FILE *f = NULL;
@@ -133,26 +134,27 @@ static int find_bios(int region, char **bios_file)
for (i = 0; i < count; i++)
{
- emu_make_path(bios_path, files[i], sizeof(bios_path) - 4);
- strcat(bios_path, ".bin");
- f = fopen(bios_path, "rb");
+ emu_make_path(static_buff, files[i], sizeof(static_buff) - 4);
+ strcat(static_buff, ".bin");
+ f = fopen(static_buff, "rb");
if (f) break;
- bios_path[strlen(bios_path) - 4] = 0;
- strcat(bios_path, ".zip");
- f = fopen(bios_path, "rb");
+ static_buff[strlen(static_buff) - 4] = 0;
+ strcat(static_buff, ".zip");
+ f = fopen(static_buff, "rb");
if (f) break;
}
if (f) {
- lprintf("using bios: %s\n", bios_path);
+ lprintf("using bios: %s\n", static_buff);
fclose(f);
- if (bios_file) *bios_file = bios_path;
+ if (bios_file)
+ *bios_file = static_buff;
return 1;
} else {
- sprintf(bios_path, "no %s BIOS files found, read docs",
+ sprintf(static_buff, "no %s BIOS files found, read docs",
region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
- me_update_msg(bios_path);
+ me_update_msg(static_buff);
return 0;
}
}
@@ -560,6 +562,7 @@ int emu_reload_rom(char *rom_fname)
}
menu_romload_prepare(used_rom_name); // also CD load
+ used_rom_name = NULL; // uses static_buff
ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0);
pm_close(rom);
@@ -594,7 +597,8 @@ int emu_reload_rom(char *rom_fname)
if (!ret) emu_read_config(0, 0);
}
- if (PicoCartInsert(rom_data, rom_size)) {
+ emu_make_path(static_buff, "carthw.cfg", sizeof(static_buff));
+ if (PicoCartInsert(rom_data, rom_size, static_buff)) {
me_update_msg("Failed to load ROM.");
goto fail;
}
@@ -700,6 +704,7 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext)
if (ext) strcat(dst, ext);
}
+//
void emu_make_path(char *buff, const char *end, int size)
{
int pos, end_len;
@@ -907,7 +912,7 @@ static int try_ropen_file(const char *fname)
char *emu_get_save_fname(int load, int is_sram, int slot)
{
- static char saveFname[512];
+ char *saveFname = static_buff;
char ext[16];
if (is_sram)
@@ -1299,6 +1304,19 @@ void emu_init(void)
char path[512];
int pos;
+#if 0
+ // FIXME: handle through menu, etc
+ FILE *f;
+ f = fopen("32X_M_BIOS.BIN", "rb");
+ p32x_bios_m = malloc(2048);
+ fread(p32x_bios_m, 1, 2048, f);
+ fclose(f);
+ f = fopen("32X_S_BIOS.BIN", "rb");
+ p32x_bios_s = malloc(1024);
+ fread(p32x_bios_s, 1, 1024, f);
+ fclose(f);
+#endif
+
/* make dirs for saves */
pos = plat_get_root_dir(path, sizeof(path) - 4);
mkdir_path(path, pos, "mds");
@@ -1469,7 +1487,7 @@ void emu_loop(void)
pframes_done++; frames_done++;
diff_lim += target_frametime;
- if (!(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT)) {
+ if (!(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT))) {
timestamp = get_ticks();
diff = timestamp - timestamp_base;
if (!reset_timing && diff < diff_lim) // we are too fast
@@ -1495,7 +1513,7 @@ void emu_loop(void)
PicoFrame();
/* frame limiter */
- if (!reset_timing && !(currentConfig.EmuOpt & EOPT_NO_FRMLIMIT))
+ if (!reset_timing && !(currentConfig.EmuOpt & (EOPT_NO_FRMLIMIT|EOPT_EXT_FRMLIMIT)))
{
timestamp = get_ticks();
diff = timestamp - timestamp_base;