diff options
Diffstat (limited to 'src/devices/bus/msx_cart/msxdos2.cpp')
-rw-r--r-- | src/devices/bus/msx_cart/msxdos2.cpp | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/devices/bus/msx_cart/msxdos2.cpp b/src/devices/bus/msx_cart/msxdos2.cpp deleted file mode 100644 index 7f3e506b007..00000000000 --- a/src/devices/bus/msx_cart/msxdos2.cpp +++ /dev/null @@ -1,71 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Wilbert Pol -#include "emu.h" -#include "msxdos2.h" - -DEFINE_DEVICE_TYPE(MSX_CART_MSXDOS2, msx_cart_msxdos2_device, "msx_cart_msxdos2", "MSX Cartridge - MSXDOS2") - - -msx_cart_msxdos2_device::msx_cart_msxdos2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, MSX_CART_MSXDOS2, tag, owner, clock) - , msx_cart_interface(mconfig, *this) - , m_selected_bank(0) - , m_bank_base(nullptr) -{ -} - - -void msx_cart_msxdos2_device::device_start() -{ - save_item(NAME(m_selected_bank)); -} - - -void msx_cart_msxdos2_device::device_post_load() -{ - restore_banks(); -} - - -void msx_cart_msxdos2_device::restore_banks() -{ - m_bank_base = get_rom_base() + ( m_selected_bank & 0x03 ) * 0x4000; -} - - -void msx_cart_msxdos2_device::device_reset() -{ - m_selected_bank = 0; -} - - -void msx_cart_msxdos2_device::initialize_cartridge() -{ - if (get_rom_size() != 0x10000) - { - fatalerror("msxdos2: Invalid ROM size\n"); - } - - restore_banks(); -} - - -uint8_t msx_cart_msxdos2_device::read_cart(offs_t offset) -{ - if (offset >= 0x4000 && offset < 0x8000) - { - return m_bank_base[offset & 0x3fff]; - } - - return 0xff; -} - - -void msx_cart_msxdos2_device::write_cart(offs_t offset, uint8_t data) -{ - if (offset == 0x6000) - { - m_selected_bank = data; - restore_banks(); - } -} |