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Diffstat (limited to 'src/devices/bus/msx_cart/halnote.cpp')
-rw-r--r--src/devices/bus/msx_cart/halnote.cpp160
1 files changed, 0 insertions, 160 deletions
diff --git a/src/devices/bus/msx_cart/halnote.cpp b/src/devices/bus/msx_cart/halnote.cpp
deleted file mode 100644
index 43f7947ec2c..00000000000
--- a/src/devices/bus/msx_cart/halnote.cpp
+++ /dev/null
@@ -1,160 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Wilbert Pol
-#include "emu.h"
-#include "halnote.h"
-
-
-DEFINE_DEVICE_TYPE(MSX_CART_HALNOTE, msx_cart_halnote_device, "msx_cart_halnote", "MSX Cartridge - Halnote")
-
-
-msx_cart_halnote_device::msx_cart_halnote_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_HALNOTE, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_selected_bank{ 0, 0, 0, 0, 0, 0, 0, 0 }
- , m_bank_base{ nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr }
-{
-}
-
-
-void msx_cart_halnote_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_halnote_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_halnote_device::map_bank(int bank)
-{
- if (bank < 2)
- {
- return;
- }
-
- // Special banks
- if (bank == 6 || bank == 7)
- {
- m_bank_base[bank] = get_rom_base() + 0x80000 + (m_selected_bank[bank] * 0x800);
- return;
- }
-
- m_bank_base[bank] = get_rom_base() + ((m_selected_bank[bank] * 0x2000) & 0xFFFFF);
- if (bank == 2)
- {
- if (m_selected_bank[bank] & 0x80)
- {
- m_bank_base[0] = get_sram_base();
- m_bank_base[1] = get_sram_base() + 0x2000;
- }
- else
- {
- m_bank_base[0] = nullptr;
- m_bank_base[1] = nullptr;
- }
- }
-}
-
-
-void msx_cart_halnote_device::restore_banks()
-{
- for (int i = 0; i < 8; i++)
- {
- map_bank(i);
- }
-}
-
-
-void msx_cart_halnote_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_halnote_device::initialize_cartridge()
-{
- if (get_rom_size() != 0x100000)
- {
- fatalerror("halnote: Invalid ROM size\n");
- }
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_halnote_device::read_cart(offs_t offset)
-{
- if (offset >= 0xc000)
- {
- return 0xFF;
- }
-
- if ((offset & 0xf000) == 0x7000 && (m_selected_bank[3] & 0x80))
- {
- return m_bank_base[6 + ((offset >> 11) & 0x01)][offset & 0x7ff];
- }
-
- const uint8_t *mem = m_bank_base[offset >> 13];
-
- if (mem)
- {
- return mem[offset & 0x1fff];
- }
- return 0xff;
-}
-
-
-void msx_cart_halnote_device::write_cart(offs_t offset, uint8_t data)
-{
- if (offset < 0x4000)
- {
- if (m_bank_base[0] != nullptr)
- {
- m_sram[offset & 0x3fff] = data;
- return;
- }
- }
-
- switch (offset)
- {
- case 0x4FFF:
- m_selected_bank[2] = data;
- map_bank(2);
- break;
-
- case 0x6FFF: // 6000-7FFF
- m_selected_bank[3] = data;
- map_bank(3);
- break;
-
- case 0x77FF:
- m_selected_bank[6] = data;
- map_bank(6);
- break;
-
- case 0x7FFF:
- m_selected_bank[7] = data;
- map_bank(7);
- break;
-
- case 0x8FFF:
- m_selected_bank[4] = data;
- map_bank(4);
- break;
-
- case 0xAFFF:
- m_selected_bank[5] = data;
- map_bank(5);
- break;
-
- default:
- logerror("msx_cart_halnote_device: Unhandled write %02x to %04x\n", data, offset);
- break;
- }
-}