image_init_result a800_cart_slot_device::call_load()
{
if (m_cart)
{
uint32_t len;
if (software_entry() != nullptr)
{
const char *pcb_name;
len = get_software_region_length("rom");
m_cart->rom_alloc(len, tag());
memcpy(m_cart->get_rom_base(), get_software_region("rom"), len);
if ((pcb_name = get_feature("slot")) != nullptr)
m_type = a800_get_pcb_id(pcb_name);
else
m_type = A800_8K;
}
else
{
len = length();
// check whether there is an header, to identify the cart type
if ((len % 0x1000) == 0x10)
{
uint8_t header[16];
fread(header, 0x10);
m_type = identify_cart_type(header);
len -= 0x10; // in identify_cart_type the first 0x10 bytes are read, so we need to adjust here
}
else // otherwise try to guess based on size
{
if (len == 0x8000)
m_type = A5200_32K;
if (len == 0x4000)
m_type = A800_16K;
if (len == 0x2000)
m_type = A800_8K;
if (len == 0x1000)
m_type = A5200_4K;
// also make a try with .hsi file (for .a52 files)
std::string info;
if (hashfile_extrainfo(*this, info) && info.compare("A13MIRRORING")==0)
m_type = A5200_16K_2CHIPS;
}
m_cart->rom_alloc(len, tag());
fread(m_cart->get_rom_base(), len);
}
if (m_type == A800_TELELINK2)
m_cart->nvram_alloc(0x100);
logerror("%s loaded cartridge '%s' size %dK\n", machine().system().name, filename(), len/1024);
}
return image_init_result::PASS;
}
bool a800_cart_slot_device::call_load()
{
if (m_cart)
{
UINT32 len;
if (software_entry() != nullptr)
{
const char *pcb_name;
len = get_software_region_length("rom");
m_cart->rom_alloc(len, tag());
memcpy(m_cart->get_rom_base(), get_software_region("rom"), len);
if ((pcb_name = get_feature("slot")) != nullptr)
m_type = a800_get_pcb_id(pcb_name);
else
m_type = A800_8K;
}
else
{
len = length();
// check whether there is an header, to identify the cart type
if ((len % 0x1000) == 0x10)
{
UINT8 header[16];
fread(header, 0x10);
m_type = identify_cart_type(header);
len -= 0x10; // in identify_cart_type the first 0x10 bytes are read, so we need to adjust here
}
else // otherwise try to guess based on size
{
if (len == 0x8000)
m_type = A5200_32K;
if (len == 0x4000)
m_type = A800_16K;
if (len == 0x2000)
m_type = A800_8K;
if (len == 0x1000)
m_type = A5200_4K;
}
m_cart->rom_alloc(len, tag());
fread(m_cart->get_rom_base(), len);
}
if (m_type == A800_TELELINK2)
m_cart->nvram_alloc(0x100);
printf("%s loaded cartridge '%s' size %dK\n", machine().system().name, filename(), len/1024);
}
return IMAGE_INIT_PASS;
}
