/*******************************************
Restart emulation when loading a new game
********************************************/
void reloadrom(void)
{
/* Cartridge "Hot Swap" support (make sure system has already been inited once and use cartridges) */
if ((config.hot_swap == 3) && ((system_hw != SYSTEM_MCD) || scd.cartridge.boot))
{
/* Only initialize cartridge hardware */
if ((system_hw & SYSTEM_PBC) == SYSTEM_MD)
{
/* 16-bit cartridge */
md_cart_init();
md_cart_reset(1);
}
else
{
/* 8-bit cartridge */
sms_cart_init();
sms_cart_reset();
}
}
/* Disc Swap support (automatically enabled if CD tray is open) */
else if ((system_hw != SYSTEM_MCD) || (cdd.status != CD_OPEN))
{
/* Initialize audio emulation */
interlaced = 0;
audio_init(SAMPLERATE_48KHZ, get_framerate());
/* Switch virtual system on */
system_init();
system_reset();
/* Allow hot swap */
config.hot_swap |= 2;
}
/* Auto-Load Backup RAM */
slot_autoload(0,config.s_device);
/* Auto-Load State */
slot_autoload(config.s_default,config.s_device);
/* Load Cheat file */
CheatLoad();
}
void gen_reset(int hard_reset)
{
/* System Reset */
if (hard_reset)
{
/* clear RAM */
memset (work_ram, 0x00, sizeof (work_ram));
memset (zram, 0x00, sizeof (zram));
}
else
{
/* reset YM2612 (on hard reset, this is done by sound_reset) */
fm_reset(0);
}
/* 68k & Z80 could restart anywhere in VDP frame (Bonkers, Eternal Champions, X-Men 2) */
mcycles_68k = mcycles_z80 = (uint32)((MCYCLES_PER_LINE * lines_per_frame) * ((double)rand() / (double)RAND_MAX));
//mcycles_68k = mcycles_z80 = 0;
if (system_hw == SYSTEM_PBC)
{
/* reset MS cartridge hardware */
sms_cart_reset();
/* Z80 is running */
zstate = 1;
/* 68k is halted */
m68k_pulse_halt();
}
else
{
/* reset MD cartridge hardware */
md_cart_reset(hard_reset);
/* Z80 bus is released & Z80 is reseted */
m68k_memory_map[0xa0].read8 = m68k_read_bus_8;
m68k_memory_map[0xa0].read16 = m68k_read_bus_16;
m68k_memory_map[0xa0].write8 = m68k_unused_8_w;
m68k_memory_map[0xa0].write16 = m68k_unused_16_w;
zstate = 0;
/* assume default bank is $000000-$007FFF */
zbank = 0;
/* TMSS & OS ROM support */
if (config.tmss & 1)
{
/* clear TMSS register */
memset(tmss, 0x00, sizeof(tmss));
/* VDP access is locked by default */
int i;
for (i=0xc0; i<0xe0; i+=8)
{
m68k_memory_map[i].read8 = m68k_lockup_r_8;
m68k_memory_map[i].read16 = m68k_lockup_r_16;
m68k_memory_map[i].write8 = m68k_lockup_w_8;
m68k_memory_map[i].write16 = m68k_lockup_w_16;
zbank_memory_map[i].read = zbank_lockup_r;
zbank_memory_map[i].write = zbank_lockup_w;
}
/* OS ROM is mapped at $000000-$0007FF */
if (config.tmss & 2)
{
m68k_memory_map[0].base = bios_rom;
}
}
/* reset 68k */
m68k_pulse_reset();
}
/* reset Z80 */
z80_reset();
}
int Application::loadROM(const char* filename)
{
LOGD("NDK:LoadingRom: %s", filename);
if (_romLoaded)
{
// TODO: close genesis
// save sram
saveSRam(_sramDir);
_romLoaded = false;
}
/* load ROM file */
if (!load_rom((char*)filename))
{
LOGD("Error loading rom!");
return NATIVE_ERROR;
}
// store current rom
strcpy(_currentRom, filename);
// controllers options
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;
config.s_device = 0;
LOGD("GenesisPlus Hardware: %d", system_hw);
if (system_hw == SYSTEM_MEGADRIVE || system_hw == SYSTEM_GENESIS)
{
Input.setButtonVisibility(BUTTON_INDEX_C, true);
Input.setButtonVisibility(BUTTON_INDEX_X, true);
Input.setButtonVisibility(BUTTON_INDEX_Y, true);
Input.setButtonVisibility(BUTTON_INDEX_Z, true);
input.system[0] = SYSTEM_MD_GAMEPAD;
input.system[1] = SYSTEM_MD_GAMEPAD;
config.input[0].padtype = DEVICE_PAD6B;
}
else if (system_hw == SYSTEM_PBC)
{
Input.setButtonVisibility(BUTTON_INDEX_C, false);
Input.setButtonVisibility(BUTTON_INDEX_X, false);
Input.setButtonVisibility(BUTTON_INDEX_Y, false);
Input.setButtonVisibility(BUTTON_INDEX_Z, false);
input.system[0] = SYSTEM_MS_GAMEPAD;
input.system[1] = SYSTEM_MS_GAMEPAD;
config.input[0].padtype = DEVICE_PAD2B;
}
input_init();
// hot-swap previous & current cartridge
bool hotswap = config.hot_swap && cart.romsize;
//cart.romsize = size;
if(hotswap)
{
if (system_hw == SYSTEM_PBC)
{
sms_cart_init();
sms_cart_reset();
}
else
{
md_cart_init();
md_cart_reset(1);
}
}
else
{
// initialize audio emulation
audio_init(_sampleRate, vdp_pal ? 50.0 : 60.0);
// system power ON
system_init();
system_reset();
}
// sram
loadSRam(_currentRom);
// mark video updated
bitmap.viewport.changed |= 1;
/* load Cheats */
//CheatLoad();
_ssize = 0;
_romLoaded = true;
return NATIVE_OK;
}
