void gb_destroy()
{
if(rom_get_loaded())
{
//jfile_free(env_game_thread,rom_image);
//rom_image = NULL;
rom_init();
}
}
void set_gb_type()
{
if (rom_get_loaded()){
switch(setting.gb_type){
case 0:
if(org_gbtype==1){
rom_get_info()->gb_type = 2;
lcd_set_mpal(setting.gb_palette);
}else if(org_gbtype == 2){
rom_get_info()->gb_type = 2;
lcd_set_mpal(PAL_SGB);
}else if(org_gbtype == 3){
rom_get_info()->gb_type = 3;
lcd_set_mpal(PAL_SGB);
}
break;
case 1:
rom_get_info()->gb_type = 1;
lcd_set_mpal(PAL_MONOCHROME);
break;
case 2:
rom_get_info()->gb_type = 2;
if(sgb_mode)
lcd_set_mpal(PAL_SGB);
else
lcd_set_mpal(setting.gb_palette);
break;
case 3:
rom_get_info()->gb_type = 3;
lcd_set_mpal(setting.gb_palette);
break;
case 4:
rom_get_info()->gb_type = 4;
lcd_set_mpal(setting.gb_palette);
break;
}
if(rom_get_info()->gb_type>=3 && org_gbtype==3)
now_gb_mode = 3;
else if(rom_get_info()->gb_type==2 && sgb_mode)
now_gb_mode = 2;
else
now_gb_mode = 1;
}
}
void save_config(char * path)
{
char tmp[PATH_MAX];
if(!rom_get_loaded())
{
return;
}
else
{
if(rom_has_battery())
{
save_sram(get_sram(), rom_get_info()->ram_size,SramPath);
}
}
memcpy(setting.custom_palette,m_pal16[PAL_CUSTOM_LOCAL], sizeof(word)*3*4);
//__android_log_print(ANDROID_LOG_DEBUG, "org.rin", "path in save_config: %s",path);
int i;
for(i=0; i<sizeof(SETTING); i++){
if ( *((byte*)&setting+i) != *((byte*)&tmpsetting+i) )
break;
}
if (i>=sizeof(SETTING))
return;
jfile fd = jfopen(env_game_thread, path, JF_MODE_NEW | JF_MODE_OVERWRITE | JF_MODE_WRITE, NULL, 0);
if(!fd)
{
return;
}
jfwrite(env_game_thread, fd, &setting, sizeof(setting));
jfclose(env_game_thread, fd);
tmpsetting = setting;
}
int gb_run()
{
int cmd = 0;
if (rom_get_loaded()){
if (g_regs.LCDC&0x80){ // LCDC 起動時
g_regs.LY=(g_regs.LY+1)%154;
g_regs.STAT&=0xF8;
if (g_regs.LYC==g_regs.LY){
g_regs.STAT|=4;
if (g_regs.STAT&0x40)
cpu_irq(INT_LCDC);
}
if (g_regs.LY==0){
// renderer_refresh();
cmd |= 1;
/* if (gbSkip){
render_screen(vframe);
// now_frame=0;
}
else
now_frame++;*/
lcd_clear_win_count();
// skip=skip_buf;
}
if (g_regs.LY>=144){ // VBlank 期間中
g_regs.STAT|=1;
if (g_regs.LY==144){
cpu_exec(72);
cpu_irq(INT_VBLANK);
if (g_regs.STAT&0x10)
cpu_irq(INT_LCDC);
cpu_exec(456-80);
}
else if (g_regs.LY==153){
cpu_exec(80);
g_regs.LY=0;
cpu_exec(456-80); // 前のラインのかなり早目から0になるようだ。
g_regs.LY=153;
}
else
cpu_exec(456);
}
else{ // VBlank 期間外
g_regs.STAT|=2;
if (g_regs.STAT&0x20)
cpu_irq(INT_LCDC);
cpu_exec(80); // state=2
g_regs.STAT|=3;
cpu_exec(169); // state=3
if (dma_executing){ // HBlank DMA
if (b_dma_first){
dma_dest_bank=vram_bank;
if (dma_src<0x4000)
dma_src_bank=get_rom();
else if (dma_src<0x8000)
dma_src_bank=mbc_get_rom();
else if (dma_src>=0xA000&&dma_src<0xC000)
dma_src_bank=mbc_get_sram()-0xA000;
else if (dma_src>=0xC000&&dma_src<0xD000)
dma_src_bank=ram-0xC000;
else if (dma_src>=0xD000&&dma_src<0xE000)
dma_src_bank=ram_bank-0xD000;
else dma_src_bank=NULL;
b_dma_first=false;
}
memcpy(dma_dest_bank+(dma_dest&0x1ff0),dma_src_bank+dma_src,16);
// fprintf(cpu_file,"%03d : dma exec %04X -> %04X rest %d\n",g_regs.LY,cpu_dma_src,cpu_dma_dest,cpu_dma_rest);
dma_src+=16;
dma_src&=0xfff0;
dma_dest+=16;
dma_dest&=0xfff0;
dma_rest--;
if (!dma_rest)
dma_executing=false;
// cpu_total_clock+=207*(cpu_speed?2:1);
// cpu_sys_clock+=207*(cpu_speed?2:1);
// cpu_div_clock+=207*(cpu_speed?2:1);
// g_regs.STAT|=3;
if (!gbSkip && !sgb_mask)
lcd_render(vframe,g_regs.LY);
g_regs.STAT&=0xfc;
cpu_exec(207); // state=3
}
else{
/* if (lcd_get_sprite_count()){
if (lcd_get_sprite_count()>=10){
cpu_exec(129);
if ((g_regs.STAT&0x08))
cpu_irq(INT_LCDC);
g_regs.STAT&=0xfc;
if (now_frame>=skip)
lcd_render(vframe,g_regs.LY);
cpu_exec(78); // state=0
}
else{
cpu_exec(129*lcd_get_sprite_count()/10);
if ((g_regs.STAT&0x08))
cpu_irq(INT_LCDC);
g_regs.STAT&=0xfc;
if (now_frame>=skip)
lcd_render(vframe,g_regs.LY);
cpu_exec(207-(129*lcd_get_sprite_count()/10)); // state=0
}
}
else{
*/ g_regs.STAT&=0xfc;
if (!gbSkip && !sgb_mask)
lcd_render(vframe,g_regs.LY);
if ((g_regs.STAT&0x08))
cpu_irq(INT_LCDC);
cpu_exec(207); // state=0
// }
}
}
}
else{ // LCDC 停止時
g_regs.LY=0;
// g_regs.LY=(g_regs.LY+1)%154;
re_render++;
if (re_render>=154) {
// memset(vframe,0xff,(160+16)*144*2);
if (!gbSkip)
memset(vframe, 0xff, VFRAME_SIZE);
// renderer_refresh();
cmd |= 1;
/* if (!gbSkip) {
// render_screen(vframe);
now_frame=0;
}
else
now_frame++;*/
lcd_clear_win_count();
re_render=0;
}
g_regs.STAT&=0xF8;
cpu_exec(456);
}
// if (!menuConfig.sound.perfectSynchro)
// sound_update_gb(line);
}
return cmd;
}
//force: 1 to always write, 0 to only if changed
int machine_manage_sram(int mode, int force) {
char name[MAX_PATH];
VIRTUAL_FILE *fd;
int ramsize = 0;
if(menuConfig.file.filename[0] == '\0')
return;
pspGetStateName(name, STATE_SRAM);
switch(mode)
{
case SRAM_SAVE:
if (gblMachineType == EM_SMS) {
//Find out if something was written to the SRAM (which is zero initialized)
/* int i, modified = 0;
for (i=0;i<0x8000;i++) {
if (((u8*)cart.sram)[i] != 0)
modified = 1;
}
if (!modified)
break;*/
//Determine if something has changed (using the CRC)
uLong crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, cart.sram, 0x8000);
if (sram_crc == crc)
break;
sram_crc = crc;
}
else if (gblMachineType == EM_GBC) {
if (!(rom_get_loaded() && rom_has_battery()))
break;
//Determine if something has changed (using the CRC)
const int sram_tbl[]={1,1,1,4,16,8};
int sram_size = 0x2000 * sram_tbl[rom_get_info()->ram_size];
if (rom_get_info()->cart_type>=0x0f && rom_get_info()->cart_type<=0x13) {
int tmp = renderer_get_timer_state();
memcpy(get_sram() + sram_size, &tmp, sizeof(int));
sram_size += sizeof(int);
}
uLong crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, get_sram(), sram_size);
if (sram_crc == crc)
break;
sram_crc = crc;
}
if (BatteryWarning("Your battery is low!\nDo you want to save the SRAM contents?\n(This might corrupt your Memory Stick if your PSP stops during this operation.)")) {
fd = VirtualFileOpen(name, 0, VF_GZFILE, VF_O_WRITE);
if (fd)
{
if (gblMachineType == EM_SMS)
VirtualFileWrite(cart.sram, 0x8000, 1, fd);
else if (gblMachineType == EM_GBC)
gb_save_sram(fd, get_sram(), rom_get_info()->ram_size);
VirtualFileClose(fd);
}
}
break;
case SRAM_LOAD:
fd = VirtualFileOpen(name, 0, VF_GZFILE, VF_O_READ);
if (gblMachineType == EM_SMS) {
if(fd) {
sms.save = 1;
VirtualFileRead(cart.sram, 0x8000, 1, fd);
ramsize = 0x8000;
}
else
/* No SRAM file, so initialize memory */
memset(cart.sram, 0x00, 0x8000);
sram_crc = crc32(0L, Z_NULL, 0);
sram_crc = crc32(sram_crc, cart.sram, 0x8000);
}
else if (gblMachineType == EM_GBC) {
if (fd)
ramsize = gb_load_sram(fd, sram_space, sizeof(sram_space));
sram_crc = crc32(0L, Z_NULL, 0);
sram_crc = crc32(sram_crc, sram_space, ramsize);
}
if (fd)
VirtualFileClose(fd);
break;
}
return ramsize;
}
