本文整理汇总了C++中device_image_interface::get_software_region_length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::get_software_region_length方法的具体用法？C++ device_image_interface::get_software_region_length怎么用？C++ device_image_interface::get_software_region_length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::get_software_region_length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:
image_init_result nascom2_state::load_cart(device_image_interface &image, generic_slot_device *slot, int slot_id)
{
// loading directly from file
if (image.software_entry() == nullptr)
{
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 *region_b000 = image.get_software_region("b000");
UINT8 *region_c000 = image.get_software_region("c000");
UINT8 *region_d000 = image.get_software_region("d000");
if (region_b000 != nullptr)
{
UINT32 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 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 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2:
static void plus4_software_list_cartridge_load(device_image_interface &image)
{
UINT8 *mem = image.device().machine().root_device().memregion("maincpu")->base();
size_t size = image.get_software_region_length("c1l");
if (size)
memcpy(mem + 0x20000, image.get_software_region("c1l"), size);
size = image.get_software_region_length("c1h");
if (size)
memcpy(mem + 0x24000, image.get_software_region("c1h"), size);
size = image.get_software_region_length("c2l");
if (size)
memcpy(mem + 0x28000, image.get_software_region("c2l"), size);
size = image.get_software_region_length("c2h");
if (size)
memcpy(mem + 0x2c000, image.get_software_region("c2h"), size);
}示例3: MIN
static void load_standard_c64_cartridge(device_image_interface &image)
{
legacy_c64_state *state = image.device().machine().driver_data<legacy_c64_state>();
UINT32 size;
// is there anything to load at 0x8000?
size = image.get_software_region_length("roml");
if (size)
{
memcpy(state->m_roml, image.get_software_region("roml"), MIN(0x2000, size));
if (size == 0x4000)
{
// continue loading to ROMH region
memcpy(state->m_romh, image.get_software_region("roml") + 0x2000, 0x2000);
}
}
// is there anything to load at 0xa000?
size = image.get_software_region_length("romh");
if (size)
memcpy(state->m_romh, image.get_software_region("romh"), size);
}