diff options
Diffstat (limited to 'src/devices/bus/msx_cart/arc.cpp')
-rw-r--r-- | src/devices/bus/msx_cart/arc.cpp | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/src/devices/bus/msx_cart/arc.cpp b/src/devices/bus/msx_cart/arc.cpp deleted file mode 100644 index 406ec8f4de3..00000000000 --- a/src/devices/bus/msx_cart/arc.cpp +++ /dev/null @@ -1,63 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Wilbert Pol -#include "emu.h" -#include "arc.h" - - -DEFINE_DEVICE_TYPE(MSX_CART_ARC, msx_cart_arc_device, "msx_cart_arc", "MSX Cartridge - Arc") - - -msx_cart_arc_device::msx_cart_arc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, MSX_CART_ARC, tag, owner, clock) - , msx_cart_interface(mconfig, *this) - , m_7f(0) -{ -} - - -void msx_cart_arc_device::device_start() -{ - // Install IO read/write handlers - io_space().install_write_handler(0x7f, 0x7f, write8smo_delegate(FUNC(msx_cart_arc_device::io_7f_w), this)); - io_space().install_read_handler(0x7f, 0x7f, read8smo_delegate(FUNC(msx_cart_arc_device::io_7f_r), this)); -} - - -void msx_cart_arc_device::device_reset() -{ - m_7f = 0; -} - - -void msx_cart_arc_device::initialize_cartridge() -{ - if (get_rom_size() != 0x8000) - { - fatalerror("arc: Invalid ROM size\n"); - } -} - - -uint8_t msx_cart_arc_device::read_cart(offs_t offset) -{ - if (offset >= 0x4000 && offset < 0xc000) - { - return get_rom_base()[offset - 0x4000]; - } - return 0xff; -} - - -void msx_cart_arc_device::io_7f_w(uint8_t data) -{ - if (data == 0x35) - { - m_7f++; - } -} - - -uint8_t msx_cart_arc_device::io_7f_r() -{ - return ((m_7f & 0x03) == 0x03) ? 0xda : 0xff; -} |