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Diffstat (limited to 'src/devices/bus/electron/cart/ap5.cpp')
-rw-r--r--src/devices/bus/electron/cart/ap5.cpp171
1 files changed, 0 insertions, 171 deletions
diff --git a/src/devices/bus/electron/cart/ap5.cpp b/src/devices/bus/electron/cart/ap5.cpp
deleted file mode 100644
index 660587c7642..00000000000
--- a/src/devices/bus/electron/cart/ap5.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Nigel Barnes
-/**********************************************************************
-
- ACP Advanced Plus 5
-
-**********************************************************************/
-
-
-#include "emu.h"
-#include "ap5.h"
-
-
-//**************************************************************************
-// DEVICE DEFINITIONS
-//**************************************************************************
-
-DEFINE_DEVICE_TYPE(ELECTRON_AP5, electron_ap5_device, "electron_ap5", "P.R.E.S. Advanced Plus 5")
-
-
-//-------------------------------------------------
-// device_add_mconfig - add device configuration
-//-------------------------------------------------
-
-void electron_ap5_device::device_add_mconfig(machine_config &config)
-{
- /* rom sockets */
- GENERIC_SOCKET(config, m_romslot[0], generic_plain_slot, "electron_rom", "bin,rom"); // ROM SLOT 14
- m_romslot[0]->set_device_load(device_image_load_delegate(&electron_ap5_device::device_image_load_rom1_load, this));
- GENERIC_SOCKET(config, m_romslot[1], generic_plain_slot, "electron_rom", "bin,rom"); // ROM SLOT 15
- m_romslot[1]->set_device_load(device_image_load_delegate(&electron_ap5_device::device_image_load_rom2_load, this));
-
- /* via */
- VIA6522(config, m_via, DERIVED_CLOCK(1, 16));
- m_via->readpb_handler().set(m_userport, FUNC(bbc_userport_slot_device::pb_r));
- m_via->writepb_handler().set(m_userport, FUNC(bbc_userport_slot_device::pb_w));
- m_via->irq_handler().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::irq_w));
-
- /* user port */
- BBC_USERPORT_SLOT(config, m_userport, bbc_userport_devices, nullptr);
- m_userport->cb1_handler().set(m_via, FUNC(via6522_device::write_cb1));
- m_userport->cb2_handler().set(m_via, FUNC(via6522_device::write_cb2));
-
- /* 1mhz bus port */
- BBC_1MHZBUS_SLOT(config, m_1mhzbus, DERIVED_CLOCK(1, 16), bbc_1mhzbus_devices, nullptr);
- m_1mhzbus->irq_handler().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::irq_w));
- m_1mhzbus->nmi_handler().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::nmi_w));
-
- /* tube port */
- BBC_TUBE_SLOT(config, m_tube, electron_tube_devices, nullptr);
- m_tube->irq_handler().set(DEVICE_SELF_OWNER, FUNC(electron_cartslot_device::irq_w));
-}
-
-//**************************************************************************
-// LIVE DEVICE
-//**************************************************************************
-
-//-------------------------------------------------
-// electron_ap5_device - constructor
-//-------------------------------------------------
-
-electron_ap5_device::electron_ap5_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, ELECTRON_AP5, tag, owner, clock)
- , device_electron_cart_interface(mconfig, *this)
- , m_via(*this, "via6522")
- , m_tube(*this, "tube")
- , m_1mhzbus(*this, "1mhzbus")
- , m_userport(*this, "userport")
- , m_romslot(*this, "rom%u", 1)
-{
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void electron_ap5_device::device_start()
-{
-}
-
-//-------------------------------------------------
-// read - cartridge data read
-//-------------------------------------------------
-
-uint8_t electron_ap5_device::read(offs_t offset, int infc, int infd, int romqa, int oe, int oe2)
-{
- uint8_t data = 0xff;
-
- if (infc)
- {
- data = m_1mhzbus->fred_r(offset);
-
- switch (offset & 0xf0)
- {
- case 0xb0:
- data &= m_via->read(offset & 0x0f);
- break;
-
- case 0xe0:
- data &= m_tube->host_r(offset & 0x0f);
- break;
- }
- }
- else if (infd)
- {
- data = m_1mhzbus->jim_r(offset);
- }
- else if (oe)
- {
- data = m_romslot[romqa]->read_rom(offset & 0x3fff);
- }
- else if (oe2)
- {
- data = m_rom[offset & 0x1fff];
- }
-
- return data;
-}
-
-//-------------------------------------------------
-// write - cartridge data write
-//-------------------------------------------------
-
-void electron_ap5_device::write(offs_t offset, uint8_t data, int infc, int infd, int romqa, int oe, int oe2)
-{
- if (infc)
- {
- m_1mhzbus->fred_w(offset, data);
-
- switch (offset & 0xf0)
- {
- case 0xb0:
- m_via->write(offset & 0x0f, data);
- break;
-
- case 0xe0:
- m_tube->host_w(offset & 0x0f, data);
- break;
- }
- }
- else if (infd)
- {
- m_1mhzbus->jim_w(offset, data);
- }
-}
-
-
-//**************************************************************************
-// IMPLEMENTATION
-//**************************************************************************
-
-image_init_result electron_ap5_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;
-}