diff options
Diffstat (limited to 'src/devices/bus/msx_slot/bunsetsu.cpp')
-rw-r--r-- | src/devices/bus/msx_slot/bunsetsu.cpp | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/src/devices/bus/msx_slot/bunsetsu.cpp b/src/devices/bus/msx_slot/bunsetsu.cpp index 1289a84704b..e7cc47e4c2a 100644 --- a/src/devices/bus/msx_slot/bunsetsu.cpp +++ b/src/devices/bus/msx_slot/bunsetsu.cpp @@ -13,36 +13,12 @@ const device_type MSX_SLOT_BUNSETSU = &device_creator<msx_slot_bunsetsu_device>; msx_slot_bunsetsu_device::msx_slot_bunsetsu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : msx_slot_rom_device(mconfig, MSX_SLOT_BUNSETSU, "MSX Internal BUNSETSU", tag, owner, clock, "msx_slot_bunsetsu", __FILE__) - , m_bunsetsu_region(nullptr) - , m_bunsetsu_region_tag(nullptr) + , m_bunsetsu_region(*this, 0x20000) , m_bunsetsu_address(0) { } -void msx_slot_bunsetsu_device::device_start() -{ - msx_slot_rom_device::device_start(); - - if (m_bunsetsu_region_tag == nullptr) - { - fatalerror("msx_slot_bunsetsu_device: no bunsetsu region tag specified\n"); - } - - m_bunsetsu_region = owner()->memregion(m_bunsetsu_region_tag); - - if (m_bunsetsu_region == nullptr) - { - fatalerror("msx_slot_bunsetsu_device: Unable to find region with tag '%s'\n", m_bunsetsu_region_tag); - } - - if (m_bunsetsu_region->bytes() != 0x20000) - { - fatalerror("msx_slot_bunsetsu_device: Bunsetsu region must be 0x20000 bytes.\n"); - } -} - - void msx_slot_bunsetsu_device::device_reset() { m_bunsetsu_address = 0; @@ -53,7 +29,7 @@ READ8_MEMBER(msx_slot_bunsetsu_device::read) { if (offset == 0xbfff) { - return m_bunsetsu_region->u8(m_bunsetsu_address++ & 0x1ffff); + return m_bunsetsu_region[m_bunsetsu_address++ & 0x1ffff]; } return msx_slot_rom_device::read(space, offset); } |