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Diffstat (limited to 'src/devices/bus/electron/cart/romp144.cpp')
-rw-r--r--src/devices/bus/electron/cart/romp144.cpp162
1 files changed, 0 insertions, 162 deletions
diff --git a/src/devices/bus/electron/cart/romp144.cpp b/src/devices/bus/electron/cart/romp144.cpp
deleted file mode 100644
index 6e4eb96bd84..00000000000
--- a/src/devices/bus/electron/cart/romp144.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Nigel Barnes
-/**********************************************************************
-
- JAFA Systems ROMPlus-144
-
-**********************************************************************/
-
-
-#include "emu.h"
-#include "romp144.h"
-
-
-//**************************************************************************
-// DEVICE DEFINITIONS
-//**************************************************************************
-
-DEFINE_DEVICE_TYPE(ELECTRON_ROMP144, electron_romp144_device, "electron_romp144", "JAFA Systems ROMPlus-144")
-
-
-//-------------------------------------------------
-// device_add_mconfig - add device configuration
-//-------------------------------------------------
-
-void electron_romp144_device::device_add_mconfig(machine_config &config)
-{
- /* rom sockets */
- GENERIC_SOCKET(config, m_romslot[0], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[0]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom0, this));
- GENERIC_SOCKET(config, m_romslot[1], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[1]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom1, this));
- GENERIC_SOCKET(config, m_romslot[2], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[2]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom2, this));
- GENERIC_SOCKET(config, m_romslot[3], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[3]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom3, this));
- GENERIC_SOCKET(config, m_romslot[4], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[4]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom4, this));
- GENERIC_SOCKET(config, m_romslot[5], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[5]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom5, this));
- GENERIC_SOCKET(config, m_romslot[6], generic_plain_slot, "electron_rom", "bin,rom");
- m_romslot[6]->set_device_load(device_image_load_delegate(&electron_romp144_device::device_image_load_rom6, this));
-}
-
-//**************************************************************************
-// LIVE DEVICE
-//**************************************************************************
-
-//-------------------------------------------------
-// electron_romp144_device - constructor
-//-------------------------------------------------
-
-electron_romp144_device::electron_romp144_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, ELECTRON_ROMP144, tag, owner, clock)
- , device_electron_cart_interface(mconfig, *this)
- , m_romslot(*this, "rom%u", 7)
-{
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void electron_romp144_device::device_start()
-{
- m_rom_select = 0xff;
- m_rom_latch = 0xff;
-
- save_item(NAME(m_rom_select));
- save_item(NAME(m_rom_latch));
-}
-
-//-------------------------------------------------
-// read - cartridge data read
-//-------------------------------------------------
-
-uint8_t electron_romp144_device::read(offs_t offset, int infc, int infd, int romqa, int oe, int oe2)
-{
- uint8_t data = 0xff;
-
- if (oe)
- {
- if (romqa)
- {
- if ((m_rom_select & 0x07) == 0x00)
- data = m_ram[offset & 0x3fff];
- else
- data = m_romslot[(m_rom_select & 0x07) - 1]->read_rom(offset & 0x3fff);
- }
- else
- {
- if ((m_rom_select & 0x0f) == 0x08)
- data = m_ram[(offset & 0x3fff) | 0x4000];
- else
- data = m_rom[offset & 0x1fff];
-
- /* roms selected with a read to latch */
- if ((offset & 0x3f00) == 0x3f00)
- {
- m_rom_latch = offset & 0x0f;
- }
- }
- }
-
- return data;
-}
-
-//-------------------------------------------------
-// write - cartridge data write
-//-------------------------------------------------
-
-void electron_romp144_device::write(offs_t offset, uint8_t data, int infc, int infd, int romqa, int oe, int oe2)
-{
- if (oe)
- {
- if (romqa)
- {
- if ((m_rom_select & 0x07) == 0x00)
- m_ram[offset & 0x3fff] = data;
- }
- else
- {
- if ((m_rom_select & 0x0f) == 0x08)
- m_ram[(offset & 0x3fff) | 0x4000] = data;
-
- /* roms selected with a write to select */
- if ((offset & 0x3f00) == 0x3f00)
- {
- /* does the write match the read (upper RAM cannot be de-selected to protect *RSUBSTITUTE) */
- if (m_rom_latch == (offset & 0x0f) && m_rom_select != 0x08)
- {
- m_rom_select = m_rom_latch;
- }
- }
- }
- }
-}
-
-
-//**************************************************************************
-// IMPLEMENTATION
-//**************************************************************************
-
-image_init_result electron_romp144_device::load_rom(device_image_interface &image, generic_slot_device *slot)
-{
- uint32_t size = slot->common_get_size("rom");
-
- // socket accepts 8K and 16K ROM only
- if (size != 0x2000 && size != 0x4000)
- {
- image.seterror(IMAGE_ERROR_UNSPECIFIED, "Invalid size: Only 8K/16K is supported");
- return image_init_result::FAIL;
- }
-
- slot->rom_alloc(0x4000, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
- slot->common_load_rom(slot->get_rom_base(), size, "rom");
-
- // mirror 8K ROMs
- uint8_t *crt = slot->get_rom_base();
- if (size <= 0x2000) memcpy(crt + 0x2000, crt, 0x2000);
-
- return image_init_result::PASS;
-}