bool emu_load_cart(const char *file_name) {
FILE *f = fopen(file_name, "rb");
if (f) {
// Détermine la taille du fichier
unsigned size = get_file_size(f);
// Garde pour les sauvegardes d'état
strcpy(emu_file_name, file_name);
// Au moins un tableau couvrant la map 0000-7FFF...
size = max(size, 0x8000);
// Et multiple d'une page (arrondissement à la page supérieure)
size = ((size + 0x3FFF) / 0x4000) * 0x4000;
mem_rom = malloc(size);
// La cartouche préparée, prépare le CPU
cpu_init();
lcd_init();
sound_init();
mem_init();
// Charge le contenu
fread(mem_rom, size, 1, f);
fclose(f);
// Démarrage
mbc_init(size);
load_sram();
// Color-It
ColorIt_init(file_name, mem_rom);
return true;
}
return false;
}
int rom_load(char * rpath)
{
char tmp[PATH_MAX];
int romsize, ramsize;
strcpy(RomPath,rpath);
strcpy(tmp, RomPath);
*(strrchr(tmp,'/')+1) = 0;
strcpy(setting2.lastpath, tmp);
bTurbo = 0;
gb_destroy();
gb_init();
// w赜t@Cð[h·éB by ruka
romsize = load_rom(RomPath);
if (!romsize){
renderer_set_msg("ROM Load Failed");
return -1;
}
ramsize = load_sram(SramPath);
if (!gb_load_rom(rom_image, romsize, sram_space, ramsize)){
renderer_set_msg("ROM Load Failed");
return -1;
}
if(org_gbtype==1)
renderer_set_msg("ROM TYPE:GB");
else if(org_gbtype==2)
renderer_set_msg("ROM TYPE:SGB");
else if(org_gbtype==3)
renderer_set_msg("ROM TYPE:GBC");
free_rewind_states();
allocate_rewind_states();
set_gb_type();
return romsize;
}
/**
* @brief User entry point in driver/simulator ioctl routine.
*
* @param proceed -- if standard code execution should be proceed
* @param sptr -- statics table pointer
* @param f -- file pointer. Lynx/Linux specific.
* See (sys/file.h) for Lynx and (linux/fs.h) for Linux.
* @param lun -- minor number (LUN)
* @param com -- ioctl number
* @param arg -- ioctl arguments
*
* It's up to user to set kernel-level errno (by means of @e pseterr call).
* @e proceed parameter denotes if further standard actions should be proceed
* after function returns. @b FALSE - means that user-desired operation done
* all that user wants and there is no further necessaty to perfom any standard
* operations that follow function call. @b TRUE - means that code that follows
* function call will be executed.
*
* @return return value is the same as in entry point function\n
* OK - if succeed.\n
* SYSERR - in case of failure.
*/
int CvorbUserIoctl(int *proceed, register CVORBStatics_t *sptr,
struct file *f, int lun, int com, char *arg)
{
CVORBUserStatics_t *usp = sptr->usrst; /* user statistics table */
ushort edp[3]; /* [select/get function] ioctl parameters
[0] -- module idx
[1] -- chan idx
[2] -- func idx */
*proceed = FALSE;
switch (com) {
case CVORB_VHDL:
return read_vhdl(usp, arg);
case CVORB_PCB:
return read_pcb(usp, arg);
case CVORB_TEMP:
return read_temp(usp, arg);
case CVORB_MOD_CFG_RD:
return read_mod_config_reg(usp, arg);
case CVORB_MOD_CFG_WR:
return write_mod_config_reg(usp, arg);
case CVORB_CH_CFG_RD:
return read_ch_config_reg(usp, arg);
case CVORB_CH_CFG_WR:
return write_ch_config_reg(usp, arg);
case CVORB_MOD_STAT:
return read_mod_stat(usp, arg);
case CVORB_CH_STAT:
return read_ch_stat(usp, arg);
case CVORB_LOAD_SRAM:
return load_sram(usp, arg);
case CVORB_READ_SRAM:
return read_sram(usp, arg);
case CVORB_FEN: /* enable function in the function bitmask */
return enable_function(usp, arg);
case CVORB_FDIS: /* disable function in the function bitmask */
return disable_function(usp, arg);
case CVORB_FEN_RD: /* read Funciton Enable Mask */
{
uint m[2]; /* [0] -- bits[63-32]
[1] -- bits[31-0] */
/* ioctl parameters */
struct {
ushort m; /* module idx */
ushort c; /* channel idx */
uint *p; /* results goes here */
} par;
if (cdcm_copy_from_user(&par, arg, sizeof(par)))
return SYSERR;
m[0] = _rcr(par.m, par.c, FCT_EM_H);
m[1] = _rcr(par.m, par.c, FCT_EM_L);
return cdcm_copy_to_user(par.p, m, sizeof(m));
}
case CVORB_FEN_WR: /* write Function Enable Mask */
return write_fem_regs(usp, arg);
case CVORB_FUNC_SEL: /* select function to be played */
if (cdcm_copy_from_user(&edp, arg, sizeof(edp)))
return SYSERR;
_wcr(edp[0], edp[1], FUNC_SEL, edp[2]);
/* Should wait on Channel Status register bit[9] -- function
copy in progress, when data is copying into local SRAM. */
while(_rcr(edp[0], edp[1], CH_STAT) & 1<<9)
usec_sleep(1);
return OK;
case CVORB_FUNC_GET: /* get currently selected function */
if (cdcm_copy_from_user(&edp, arg, sizeof(edp)))
return SYSERR;
return _rcr(edp[0], edp[1], FUNC_SEL);
case CVORB_WRSWP: /* action register.
Simulate front panel pulse inputs */
return write_swp(usp, arg);
case CVORB_RC_RD:
return read_recurrent_cycles_reg(usp, arg);
case CVORB_RC_WR:
return write_recurrent_cycles_reg(usp, arg);
case CVORB_DAC_ON:
return dac_on(usp, arg);
case CVORB_DAC_OFF:
/* disable on-board clock generator */
_wr(0, CLK_GEN_CNTL, AD9516_OFF);
return OK;
case AD9516_GET_PLL:
return get_pll(usp, arg);
case CVORB_WR_SAR:
return write_sar(usp, arg);
default:
*proceed = TRUE; /* continue standard code execution */
}
return OK;
}
int genesis_init() {
static int bfirstRun = true;
if (bfirstRun) {
FirstRun();
bfirstRun = false;
}
/* set default config */
error_init();
set_config_defaults();
/* Load ROM file */
cart.rom = (unsigned char*) malloc(10 * 1024 * 1024);
memset(cart.rom, 0, 10 * 1024 * 1024);
//
//if (!load_rom("uda:/sonic.smd")) {
if (!load_rom(romname)) {
char buf[1024];
sprintf(buf, "Error loading file `%s'.", romname);
ErrorPrompt(buf);
free(cart.rom);
return 1;
}
// now running
running = 1;
// not exit
gen_exit = 0;
SYSInputReset();
/* load BIOS */
memset(bios_rom, 0, sizeof (bios_rom));
FILE *f = fopen(OS_ROM, "rb");
if (f != NULL) {
fread(&bios_rom, 0x800, 1, f);
fclose(f);
int i;
for (i = 0; i < 0x800; i += 2) {
uint8 temp = bios_rom[i];
bios_rom[i] = bios_rom[i + 1];
bios_rom[i + 1] = temp;
}
config.tmss |= 2;
}
/* initialize Genesis virtual system */
memset(&bitmap, 0, sizeof (t_bitmap));
// bitmap.width = g_pTexture->width;
// bitmap.height = g_pTexture->height;
// bitmap.pitch = g_pTexture->wpitch;
bitmap.width = 1024;
bitmap.height = 576;
bitmap.pitch = bitmap.width * 4;
bitmap.data = screen;
bitmap.viewport.changed = 3;
//config.overscan = 0; // disabled
/* initialize emulation */
printf("audio_init\r\n");
audio_init(SOUND_FREQUENCY, vdp_pal ? 50.0 : 60.0);
printf("system_init\r\n");
system_init();
printf("sramname\r\n");
/* load SRAM */
if (gensettings.saves & SAVES_SRAM) {
load_sram(sramname);
}
/* user cfg */
SetGenConfig();
/* reset emulation */
system_reset();
/* run 1 frame */
system_frame(0);
if (gensettings.saves & SAVES_STATES) {
load_state(statename);
}
return 0;
}
int main(int args, char *argv[]) {
char *save_file;
ines_file *nes_rom;
/* Print NOW everything :D */
#ifdef _MSC_VER
setvbuf(stdout,NULL,_IONBF,0);
setvbuf(stderr,NULL,_IONBF,0);
#else
setbuf(stdout,NULL);
setbuf(stderr,NULL);
#endif
/* i18n stuff */
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
/* Parse command line options */
initialize_configuration();
switch ( parse_options(args, argv) ) {
case -1:
usage(stderr,argv);
exit(EXIT_FAILURE);
case 0:
exit(EXIT_SUCCESS);
default:
break;
}
load_user_configuration();
/* Initialize static data */
initialize_palette();
initialize_instruction_set();
initialize_playback();
initialize_apu();
initialize_cpu();
initialize_ppu();
initialize_clock();
initialize_pads();
/* Read the ines file and get all the ROM/VROM */
config.rom_file = argv[optind];
nes_rom = check_ines_file(config.rom_file);
map_rom_memory(nes_rom);
save_file = load_sram(config.rom_file);
/* Init the graphics engine */
init_screen();
init_gui();
/* Main execution loop */
main_loop();
/* After finishing the emulation, save the SRAM if necessary */
save_sram(save_file);
free(save_file);
/* Free all the used resources */
mapper->end_mapper();
end_screen();
end_gui();
end_ppu();
end_cpu();
end_apu();
end_playback();
free_ines_file(nes_rom);
return 0;
}
uint32_t load_rom(uint8_t* filename, uint32_t base_addr, uint8_t flags) {
UINT bytes_read;
DWORD filesize;
UINT count=0;
tick_t ticksstart, ticks_total=0;
ticksstart=getticks();
printf("%s\n", filename);
file_open(filename, FA_READ);
if(file_res) {
uart_putc('?');
uart_putc(0x30+file_res);
return 0;
}
filesize = file_handle.fsize;
smc_id(&romprops);
file_close();
/* reconfigure FPGA if necessary */
if(romprops.fpga_conf) {
printf("reconfigure FPGA with %s...\n", romprops.fpga_conf);
fpga_pgm((uint8_t*)romprops.fpga_conf);
}
set_mcu_addr(base_addr + romprops.load_address);
file_open(filename, FA_READ);
ff_sd_offload=1;
sd_offload_tgt=0;
f_lseek(&file_handle, romprops.offset);
for(;;) {
ff_sd_offload=1;
sd_offload_tgt=0;
bytes_read = file_read();
if (file_res || !bytes_read) break;
if(!(count++ % 512)) {
uart_putc('.');
}
}
file_close();
set_mapper(romprops.mapper_id);
printf("rom header map: %02x; mapper id: %d\n", romprops.header.map, romprops.mapper_id);
ticks_total=getticks()-ticksstart;
printf("%u ticks total\n", ticks_total);
if(romprops.mapper_id==3) {
printf("BSX Flash cart image\n");
printf("attempting to load BSX BIOS /sd2snes/bsxbios.bin...\n");
load_sram_offload((uint8_t*)"/sd2snes/bsxbios.bin", 0x800000);
printf("attempting to load BS data file /sd2snes/bsxpage.bin...\n");
load_sram_offload((uint8_t*)"/sd2snes/bsxpage.bin", 0x900000);
printf("Type: %02x\n", romprops.header.destcode);
set_bsx_regs(0xc0, 0x3f);
uint16_t rombase;
if(romprops.header.ramsize & 1) {
rombase = romprops.load_address + 0xff00;
// set_bsx_regs(0x36, 0xc9);
} else {
rombase = romprops.load_address + 0x7f00;
// set_bsx_regs(0x34, 0xcb);
}
sram_writebyte(0x33, rombase+0xda);
sram_writebyte(0x00, rombase+0xd4);
sram_writebyte(0xfc, rombase+0xd5);
set_fpga_time(0x0220110301180530LL);
}
if(romprops.has_dspx || romprops.has_cx4) {
printf("DSPx game. Loading firmware image %s...\n", romprops.dsp_fw);
load_dspx(romprops.dsp_fw, romprops.fpga_features);
/* fallback to DSP1B firmware if DSP1.bin is not present */
if(file_res && romprops.dsp_fw == DSPFW_1) {
load_dspx(DSPFW_1B, romprops.fpga_features);
}
if(file_res) {
snes_menu_errmsg(MENU_ERR_NODSP, (void*)romprops.dsp_fw);
}
}
uint32_t rammask;
uint32_t rommask;
while(filesize > (romprops.romsize_bytes + romprops.offset)) {
romprops.romsize_bytes <<= 1;
}
if(romprops.header.ramsize == 0) {
rammask = 0;
} else {
rammask = romprops.ramsize_bytes - 1;
}
rommask = romprops.romsize_bytes - 1;
printf("ramsize=%x rammask=%lx\nromsize=%x rommask=%lx\n", romprops.header.ramsize, rammask, romprops.header.romsize, rommask);
set_saveram_mask(rammask);
set_rom_mask(rommask);
readled(0);
if(flags & LOADROM_WITH_SRAM) {
if(romprops.ramsize_bytes) {
sram_memset(SRAM_SAVE_ADDR, romprops.ramsize_bytes, 0);
strcpy(strrchr((char*)filename, (int)'.'), ".srm");
printf("SRM file: %s\n", filename);
load_sram(filename, SRAM_SAVE_ADDR);
saveram_crc_old = calc_sram_crc(SRAM_SAVE_ADDR, romprops.ramsize_bytes);
} else {
printf("No SRAM\n");
}
}
printf("check MSU...");
if(msu1_check(filename)) {
romprops.fpga_features |= FEAT_MSU1;
romprops.has_msu1 = 1;
} else {
romprops.has_msu1 = 0;
}
printf("done\n");
romprops.fpga_features |= FEAT_SRTC;
romprops.fpga_features |= FEAT_213F;
fpga_set_213f(romprops.region);
fpga_set_features(romprops.fpga_features);
if(flags & LOADROM_WITH_RESET) {
fpga_dspx_reset(1);
snes_reset_pulse();
fpga_dspx_reset(0);
}
return (uint32_t)filesize;
}
static void cmd_loadraw(void) {
uint32_t address = parse_unsigned(0,16777216,16);
load_sram((uint8_t*)curchar, address);
}