本文整理汇总了C++中device_image_interface::loaded_through_softlist方法的典型用法代码示例。如果您正苦于以下问题：C++ device_image_interface::loaded_through_softlist方法的具体用法？C++ device_image_interface::loaded_through_softlist怎么用？C++ device_image_interface::loaded_through_softlist使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类device_image_interface的用法示例。
在下文中一共展示了device_image_interface::loaded_through_softlist方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
INPUT_PORTS_END
/***************************************************************************
MACHINE DRIVERS
***************************************************************************/
image_init_result aim65_state::load_cart(device_image_interface &image, generic_slot_device *slot, const char *slot_tag)
{
uint32_t size = slot->common_get_size(slot_tag);
if (size > 0x1000)
{
image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported ROM size");
return image_init_result::FAIL;
}
if (image.loaded_through_softlist() && image.get_software_region(slot_tag) == nullptr)
{
std::string errmsg = string_format(
"Attempted to load file with wrong extension\nSocket '%s' only accepts files with '.%s' extension",
slot_tag, slot_tag);
image.seterror(IMAGE_ERROR_UNSPECIFIED, errmsg.c_str());
return image_init_result::FAIL;
}
slot->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
slot->common_load_rom(slot->get_rom_base(), size, slot_tag);
return image_init_result::PASS;
}示例2:
image_init_result nascom2_state::load_cart(device_image_interface &image, generic_slot_device *slot, int slot_id)
{
// loading directly from file
if (!image.loaded_through_softlist())
{
if (slot->length() > 0x1000)
{
image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported file size");
return image_init_result::FAIL;
}
slot->rom_alloc(slot->length(), GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
slot->fread(slot->get_rom_base(), slot->length());
// we just assume that socket1 should be loaded to 0xc000 and socket2 to 0xd000
switch (slot_id)
{
case 1:
m_maincpu->space(AS_PROGRAM).install_rom(0xc000, 0xc000 + slot->length() - 1, slot->get_rom_base());
break;
case 2:
m_maincpu->space(AS_PROGRAM).install_rom(0xd000, 0xd000 + slot->length() - 1, slot->get_rom_base());
break;
}
}
// loading from software list. this supports multiple regions to load to
else
{
uint8_t *region_b000 = image.get_software_region("b000");
uint8_t *region_c000 = image.get_software_region("c000");
uint8_t *region_d000 = image.get_software_region("d000");
if (region_b000 != nullptr)
{
uint32_t size = image.get_software_region_length("b000");
m_maincpu->space(AS_PROGRAM).install_rom(0xb000, 0xb000 + size - 1, region_b000);
}
if (region_c000 != nullptr)
{
uint32_t size = image.get_software_region_length("c000");
m_maincpu->space(AS_PROGRAM).install_rom(0xc000, 0xc000 + size - 1, region_c000);
}
if (region_d000 != nullptr)
{
uint32_t size = image.get_software_region_length("d000");
m_maincpu->space(AS_PROGRAM).install_rom(0xd000, 0xd000 + size - 1, region_d000);
}
}
return image_init_result::PASS;
}示例3: load_cart
image_init_result pcjr_state::load_cart(device_image_interface &image, generic_slot_device *slot)
{
uint32_t size = slot->common_get_size("rom");
bool imagic_hack = false;
if (!image.loaded_through_softlist())
{
int header_size = 0;
// Check for supported header sizes
switch (size & 0x3ff)
{
case 0x80:
header_size = 0x80;
break;
case 0x200:
header_size = 0x200;
break;
default:
image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid header size" );
return image_init_result::FAIL;
}
if (size - header_size == 0xa000)
{
// alloc 64K for the imagic carts, so to handle the necessary mirroring
size += 0x6000;
imagic_hack = true;
}
size -= header_size;
image.fseek(header_size, SEEK_SET);
}
slot->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
slot->common_load_rom(slot->get_rom_base(), size, "rom");
if (imagic_hack)
{
// in this case the image consists of 2x8K chunks
// the first chunk is unique, the second is repeated 4 times up to 0xa000 size
// mirroring
uint8_t *ROM = slot->get_rom_base();
memcpy(ROM + 0xe000, ROM + 0x2000, 0x2000);
memcpy(ROM + 0xc000, ROM + 0x2000, 0x2000);
memcpy(ROM + 0xa000, ROM + 0x2000, 0x2000);
memcpy(ROM + 0x8000, ROM + 0x2000, 0x2000);
memcpy(ROM + 0x6000, ROM, 0x2000);
memcpy(ROM + 0x4000, ROM, 0x2000);
memcpy(ROM + 0x2000, ROM, 0x2000);
}
return image_init_result::PASS;
}