summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/msx_cart/crossblaim.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/msx_cart/crossblaim.cpp')
-rw-r--r--src/devices/bus/msx_cart/crossblaim.cpp86
1 files changed, 0 insertions, 86 deletions
diff --git a/src/devices/bus/msx_cart/crossblaim.cpp b/src/devices/bus/msx_cart/crossblaim.cpp
deleted file mode 100644
index 6494e492f5b..00000000000
--- a/src/devices/bus/msx_cart/crossblaim.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Wilbert Pol
-#include "emu.h"
-#include "crossblaim.h"
-
-DEFINE_DEVICE_TYPE(MSX_CART_CROSSBLAIM, msx_cart_crossblaim_device, "msx_cart_crossblaim", "MSX Cartridge Cross Blaim")
-
-
-msx_cart_crossblaim_device::msx_cart_crossblaim_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_CROSSBLAIM, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_selected_bank(1)
-{
- for (auto & elem : m_bank_base)
- {
- elem = nullptr;
- }
-}
-
-
-void msx_cart_crossblaim_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_crossblaim_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_crossblaim_device::setup_bank()
-{
- m_bank_base[0] = ( m_selected_bank & 2 ) ? nullptr : get_rom_base() + ( m_selected_bank & 0x03 ) * 0x4000;
- m_bank_base[2] = get_rom_base() + ( m_selected_bank & 0x03 ) * 0x4000;
- m_bank_base[3] = ( m_selected_bank & 2 ) ? nullptr : get_rom_base() + ( m_selected_bank & 0x03 ) * 0x4000;
-}
-
-
-void msx_cart_crossblaim_device::restore_banks()
-{
- m_bank_base[1] = get_rom_base();
- setup_bank();
-}
-
-
-void msx_cart_crossblaim_device::device_reset()
-{
- m_selected_bank = 1;
-}
-
-
-void msx_cart_crossblaim_device::initialize_cartridge()
-{
- if (get_rom_size() != 0x10000)
- {
- fatalerror("crossblaim: Invalid ROM size\n");
- }
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_crossblaim_device::read_cart(offs_t offset)
-{
- uint8_t *bank_base = m_bank_base[offset >> 14];
-
- if (bank_base != nullptr)
- {
- return bank_base[offset & 0x3fff];
- }
-
- return 0xff;
-}
-
-
-void msx_cart_crossblaim_device::write_cart(offs_t offset, uint8_t data)
-{
- m_selected_bank = data & 3;
- if (m_selected_bank == 0)
- {
- m_selected_bank = 1;
- }
- setup_bank();
-}