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Diffstat (limited to 'src/devices/bus/msx_cart/ascii.cpp')
-rw-r--r--src/devices/bus/msx_cart/ascii.cpp555
1 files changed, 0 insertions, 555 deletions
diff --git a/src/devices/bus/msx_cart/ascii.cpp b/src/devices/bus/msx_cart/ascii.cpp
deleted file mode 100644
index 7d1b354b404..00000000000
--- a/src/devices/bus/msx_cart/ascii.cpp
+++ /dev/null
@@ -1,555 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Wilbert Pol
-#include "emu.h"
-#include "ascii.h"
-
-
-DEFINE_DEVICE_TYPE(MSX_CART_ASCII8, msx_cart_ascii8_device, "msx_cart_ascii8", "MSX Cartridge - ASCII8")
-DEFINE_DEVICE_TYPE(MSX_CART_ASCII16, msx_cart_ascii16_device, "msx_cart_ascii16", "MSX Cartridge - ASCII16")
-DEFINE_DEVICE_TYPE(MSX_CART_ASCII8_SRAM, msx_cart_ascii8_sram_device, "msx_cart_ascii8_sram", "MSX Cartridge - ASCII8 w/SRAM")
-DEFINE_DEVICE_TYPE(MSX_CART_ASCII16_SRAM, msx_cart_ascii16_sram_device, "msx_cart_ascii16_sram", "MSX Cartridge - ASCII16 w/SRAM")
-DEFINE_DEVICE_TYPE(MSX_CART_MSXWRITE, msx_cart_msxwrite_device, "msx_cart_msxwrite", "MSX Cartridge - MSXWRITE")
-
-
-msx_cart_ascii8_device::msx_cart_ascii8_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_ASCII8, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_bank_mask(0)
-{
- for (int i = 0; i < 4; i++)
- {
- m_selected_bank[i] = 0;
- m_bank_base[i] = nullptr;
- }
-}
-
-
-void msx_cart_ascii8_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_ascii8_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_ascii8_device::restore_banks()
-{
- for (int i = 0; i < 4; i++)
- {
- m_bank_base[i] = get_rom_base() + (m_selected_bank[i] & m_bank_mask ) * 0x2000;
- }
-}
-
-
-void msx_cart_ascii8_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_ascii8_device::initialize_cartridge()
-{
- uint32_t size = get_rom_size();
-
- if ( size > 256 * 0x2000 )
- {
- fatalerror("ascii8: ROM is too big\n");
- }
-
- uint16_t banks = size / 0x2000;
-
- if (size != banks * 0x2000 || (~(banks - 1) % banks))
- {
- fatalerror("ascii8: Invalid ROM size\n");
- }
-
- m_bank_mask = banks - 1;
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_ascii8_device::read_cart(offs_t offset)
-{
- if ( offset >= 0x4000 && offset < 0xC000 )
- {
- return m_bank_base[(offset - 0x4000) >> 13][offset & 0x1fff];
- }
- return 0xff;
-}
-
-
-void msx_cart_ascii8_device::write_cart(offs_t offset, uint8_t data)
-{
- if (offset >= 0x6000 && offset < 0x8000)
- {
- uint8_t bank = (offset / 0x800) & 0x03;
-
- m_selected_bank[bank] = data;
- m_bank_base[bank] = get_rom_base() + (m_selected_bank[bank] & m_bank_mask ) * 0x2000;
- }
-}
-
-
-
-msx_cart_ascii16_device::msx_cart_ascii16_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_ASCII16, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_bank_mask(0)
-{
- for (int i = 0; i < 2; i++)
- {
- m_selected_bank[i] = 0;
- m_bank_base[i] = nullptr;
- }
-}
-
-
-void msx_cart_ascii16_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_ascii16_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_ascii16_device::restore_banks()
-{
- for (int i = 0; i < 2; i++)
- {
- m_bank_base[i] = get_rom_base() + (m_selected_bank[i] & m_bank_mask) * 0x4000;
- }
-}
-
-
-void msx_cart_ascii16_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_ascii16_device::initialize_cartridge()
-{
- uint32_t size = get_rom_size();
-
- if ( size > 256 * 0x4000 )
- {
- fatalerror("ascii16: ROM is too big\n");
- }
-
- uint16_t banks = size / 0x4000;
-
- if (size != banks * 0x4000 || (~(banks - 1) % banks))
- {
- fatalerror("ascii16: Invalid ROM size\n");
- }
-
- m_bank_mask = banks - 1;
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_ascii16_device::read_cart(offs_t offset)
-{
- if ( offset >= 0x4000 && offset < 0xC000 )
- {
- return m_bank_base[offset >> 15][offset & 0x3fff];
- }
- return 0xff;
-}
-
-
-void msx_cart_ascii16_device::write_cart(offs_t offset, uint8_t data)
-{
- if (offset >= 0x6000 && offset < 0x6800)
- {
- m_selected_bank[0] = data;
- m_bank_base[0] = get_rom_base() + (m_selected_bank[0] & m_bank_mask) * 0x4000;
- }
-
- if (offset >= 0x7000 && offset < 0x7800)
- {
- m_selected_bank[1] = data;
- m_bank_base[1] = get_rom_base() + (m_selected_bank[1] & m_bank_mask) * 0x4000;
- }
-}
-
-
-
-
-
-msx_cart_ascii8_sram_device::msx_cart_ascii8_sram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_ASCII8_SRAM, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_bank_mask(0)
- , m_sram_select_mask(0)
-{
- for (int i = 0; i < 4; i++)
- {
- m_selected_bank[i] = 0;
- m_bank_base[i] = nullptr;
- }
-}
-
-
-void msx_cart_ascii8_sram_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_ascii8_sram_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_ascii8_sram_device::setup_bank(uint8_t bank)
-{
- if (m_selected_bank[bank] & ~(m_sram_select_mask | m_bank_mask))
- {
- // Nothing is mapped
- m_bank_base[bank] = nullptr;
- }
- else if (m_selected_bank[bank] & m_sram_select_mask)
- {
- // SRAM is selected
- m_bank_base[bank] = get_sram_base();
- }
- else
- {
- m_bank_base[bank] = get_rom_base() + (m_selected_bank[bank] & m_bank_mask ) * 0x2000;
- }
-}
-
-
-void msx_cart_ascii8_sram_device::restore_banks()
-{
- for (int i = 0; i < 4; i++)
- {
- setup_bank(i);
- }
-}
-
-
-void msx_cart_ascii8_sram_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_ascii8_sram_device::initialize_cartridge()
-{
- uint32_t size = get_rom_size();
-
- if ( size > 128 * 0x2000 )
- {
- fatalerror("ascii8_sram: ROM is too big\n");
- }
-
- uint16_t banks = size / 0x2000;
-
- if (size != banks * 0x2000 || (~(banks - 1) % banks))
- {
- fatalerror("ascii8_sram: Invalid ROM size\n");
- }
-
- if (get_sram_size() != 0x2000)
- {
- fatalerror("ascii8_sram: Unsupported SRAM size\n");
- }
-
- m_bank_mask = banks - 1;
- m_sram_select_mask = banks;
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_ascii8_sram_device::read_cart(offs_t offset)
-{
- if ( offset >= 0x4000 && offset < 0xC000 )
- {
- uint8_t *bank_base = m_bank_base[(offset - 0x4000) >> 13];
-
- if (bank_base != nullptr)
- {
- return bank_base[offset & 0x1fff];
- }
- }
- return 0xff;
-}
-
-
-void msx_cart_ascii8_sram_device::write_cart(offs_t offset, uint8_t data)
-{
- if (offset >= 0x6000 && offset < 0x8000)
- {
- uint8_t bank = (offset / 0x800) & 0x03;
-
- m_selected_bank[bank] = data;
- setup_bank(bank);
- }
- else if (offset >= 0x8000 && offset < 0xc000)
- {
- uint8_t bank = (offset & 0x2000) ? 3 : 2;
-
- if ((m_selected_bank[bank] & m_sram_select_mask) && !(m_selected_bank[bank] & ~(m_sram_select_mask | m_bank_mask)))
- {
- // Write to SRAM
- m_bank_base[bank][offset & 0x1fff] = data;
- }
- }
-}
-
-
-
-msx_cart_ascii16_sram_device::msx_cart_ascii16_sram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_ASCII16_SRAM, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_bank_mask(0)
- , m_sram_select_mask(0)
-{
- for (int i = 0; i < 2; i++)
- {
- m_selected_bank[i] = 0;
- m_bank_base[i] = nullptr;
- }
-}
-
-
-void msx_cart_ascii16_sram_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_ascii16_sram_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_ascii16_sram_device::setup_bank(uint8_t bank)
-{
- if (m_selected_bank[bank] & ~(m_sram_select_mask | m_bank_mask))
- {
- // Nothing is mapped
- m_bank_base[bank] = nullptr;
- }
- else if (m_selected_bank[bank] & m_sram_select_mask)
- {
- // SRAM is selected
- m_bank_base[bank] = get_sram_base();
- }
- else
- {
- m_bank_base[bank] = get_rom_base() + (m_selected_bank[bank] & m_bank_mask) * 0x4000;
- }
-}
-
-
-void msx_cart_ascii16_sram_device::restore_banks()
-{
- for (int i = 0; i < 2; i++)
- {
- setup_bank(i);
- }
-}
-
-
-void msx_cart_ascii16_sram_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_ascii16_sram_device::initialize_cartridge()
-{
- uint32_t size = get_rom_size();
-
- if ( size > 128 * 0x4000 )
- {
- fatalerror("ascii16_sram: ROM is too big\n");
- }
-
- uint16_t banks = size / 0x4000;
-
- if (size != banks * 0x4000 || (~(banks - 1) % banks))
- {
- fatalerror("ascii16_sram: Invalid ROM size\n");
- }
-
- if (get_sram_size() != 0x800)
- {
- fatalerror("ascii16_sram: Unsupported SRAM size\n");
- }
-
- m_bank_mask = banks - 1;
- m_sram_select_mask = banks;
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_ascii16_sram_device::read_cart(offs_t offset)
-{
- if ( offset >= 0x4000 && offset < 0xC000 )
- {
- uint8_t bank = offset >> 15;
-
- if (m_bank_base[bank] != nullptr)
- {
- if (m_selected_bank[bank] & m_sram_select_mask)
- {
- return m_bank_base[bank][offset & 0x7ff];
- }
- else
- {
- return m_bank_base[bank][offset & 0x3fff];
- }
- }
- }
- return 0xff;
-}
-
-
-void msx_cart_ascii16_sram_device::write_cart(offs_t offset, uint8_t data)
-{
- if (offset >= 0x6000 && offset < 0x6800)
- {
- m_selected_bank[0] = data;
- setup_bank(0);
- }
-
- if (offset >= 0x7000 && offset < 0x7800)
- {
- m_selected_bank[1] = data;
- setup_bank(1);
- }
-
- if (offset >= 0x8000 && offset < 0xc000)
- {
- if ((m_selected_bank[1] & m_sram_select_mask) && !(m_selected_bank[1] & ~(m_sram_select_mask | m_bank_mask)))
- {
- // Write to SRAM
- m_bank_base[1][offset & 0x7ff] = data;
- }
- }
-}
-
-
-
-msx_cart_msxwrite_device::msx_cart_msxwrite_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, MSX_CART_MSXWRITE, tag, owner, clock)
- , msx_cart_interface(mconfig, *this)
- , m_bank_mask(0)
-{
- for (int i = 0; i < 2; i++)
- {
- m_selected_bank[i] = 0;
- m_bank_base[i] = nullptr;
- }
-}
-
-
-void msx_cart_msxwrite_device::device_start()
-{
- save_item(NAME(m_selected_bank));
-}
-
-
-void msx_cart_msxwrite_device::device_post_load()
-{
- restore_banks();
-}
-
-
-void msx_cart_msxwrite_device::restore_banks()
-{
- for (int i = 0; i < 2; i++)
- {
- m_bank_base[i] = get_rom_base() + (m_selected_bank[i] & m_bank_mask) * 0x4000;
- }
-}
-
-
-void msx_cart_msxwrite_device::device_reset()
-{
- for (auto & elem : m_selected_bank)
- {
- elem = 0;
- }
-}
-
-
-void msx_cart_msxwrite_device::initialize_cartridge()
-{
- uint32_t size = get_rom_size();
-
- if ( size > 256 * 0x4000 )
- {
- fatalerror("msxwrite: ROM is too big\n");
- }
-
- uint16_t banks = size / 0x4000;
-
- if (size != banks * 0x4000 || (~(banks - 1) % banks))
- {
- fatalerror("msxwrite: Invalid ROM size\n");
- }
-
- m_bank_mask = banks - 1;
-
- restore_banks();
-}
-
-
-uint8_t msx_cart_msxwrite_device::read_cart(offs_t offset)
-{
- if ( offset >= 0x4000 && offset < 0xC000 )
- {
- return m_bank_base[offset >> 15][offset & 0x3fff];
- }
- return 0xff;
-}
-
-
-void msx_cart_msxwrite_device::write_cart(offs_t offset, uint8_t data)
-{
- // The rom writes to 6fff and 7fff for banking, unknown whether
- // other locations also trigger banking.
- switch (offset)
- {
- case 0x6fff:
- m_selected_bank[0] = data;
- m_bank_base[0] = get_rom_base() + (m_selected_bank[0] & m_bank_mask) * 0x4000;
- break;
-
- case 0x7fff:
- m_selected_bank[1] = data;
- m_bank_base[1] = get_rom_base() + (m_selected_bank[1] & m_bank_mask) * 0x4000;
- break;
- }
-}