summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/adm36.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/adm36.cpp')
-rw-r--r--src/mame/drivers/adm36.cpp201
1 files changed, 0 insertions, 201 deletions
diff --git a/src/mame/drivers/adm36.cpp b/src/mame/drivers/adm36.cpp
deleted file mode 100644
index fa5be99f8ce..00000000000
--- a/src/mame/drivers/adm36.cpp
+++ /dev/null
@@ -1,201 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:AJR
-/************************************************************************************************************
-
- Skeleton driver for ADM 36 Video Display Terminal.
-
- The detachable keyboard has not been dumped. It is controlled serially through the PIO.
-
-************************************************************************************************************/
-
-#include "emu.h"
-#include "bus/rs232/rs232.h"
-#include "cpu/z80/z80.h"
-#include "machine/er1400.h"
-#include "machine/z80ctc.h"
-#include "machine/z80pio.h"
-#include "machine/z80sio.h"
-#include "video/tms9927.h"
-#include "screen.h"
-
-
-class adm36_state : public driver_device
-{
-public:
- adm36_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_earom(*this, "earom")
- , m_vtac(*this, "vtac")
- , m_chargen(*this, "chargen")
- , m_vram(*this, "vram%u", 0U)
- {
- }
-
- void adm36(machine_config &config);
-
-protected:
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
-private:
- u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
-
- void pio_pa_w(u8 data);
- u8 pio_pb_r();
- void pio_pb_w(u8 data);
- DECLARE_WRITE_LINE_MEMBER(vsyn_w);
-
- void mem_map(address_map &map);
- void io_map(address_map &map);
-
- required_device<z80_device> m_maincpu;
- required_device<er1400_device> m_earom;
- required_device<crt5037_device> m_vtac;
- required_region_ptr<u8> m_chargen;
- required_shared_ptr_array<u8, 2> m_vram;
-
- bool m_vsyn;
-};
-
-
-u32 adm36_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
-{
- return 0;
-}
-
-void adm36_state::machine_start()
-{
- m_vsyn = false;
-
- save_item(NAME(m_vsyn));
-}
-
-void adm36_state::machine_reset()
-{
-}
-
-void adm36_state::pio_pa_w(u8 data)
-{
- m_earom->data_w(BIT(data, 0));
-}
-
-u8 adm36_state::pio_pb_r()
-{
- return (m_earom->data_r() ? 0 : 1) | (m_vsyn ? 0x20 : 0);
-}
-
-void adm36_state::pio_pb_w(u8 data)
-{
- m_earom->clock_w(!BIT(data, 4));
- m_earom->c3_w(BIT(data, 3));
- m_earom->c2_w(BIT(data, 2));
- m_earom->c1_w(BIT(data, 1));
-}
-
-WRITE_LINE_MEMBER(adm36_state::vsyn_w)
-{
- m_vsyn = bool(state);
-}
-
-void adm36_state::mem_map(address_map &map)
-{
- map(0x0000, 0x2fff).rom().region("maincpu", 0);
- map(0x6000, 0x67ff).ram(); // MK4802J-3 (U76)
- map(0xe000, 0xefff).ram().share("vram0"); // 4x MK4118AN-1 (U66-U69)
- map(0xf000, 0xffff).ram().share("vram1"); // 4x MK4118AN-1 (U81-U84)
-}
-
-void adm36_state::io_map(address_map &map)
-{
- map.global_mask(0xff);
- map(0x00, 0x03).mirror(0x0c).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
- map(0x10, 0x13).mirror(0x0c).rw("sio", FUNC(z80sio_device::cd_ba_r), FUNC(z80sio_device::cd_ba_w));
- map(0x20, 0x23).mirror(0x0c).rw("pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write));
- map(0x40, 0x4f).rw(m_vtac, FUNC(crt5037_device::read), FUNC(crt5037_device::write));
-}
-
-
-static INPUT_PORTS_START(adm36)
-INPUT_PORTS_END
-
-
-static const z80_daisy_config daisy_chain[] =
-{
- { "ctc" },
- { "sio" },
- { "pio" },
- { nullptr }
-};
-
-void adm36_state::adm36(machine_config &config)
-{
- Z80(config, m_maincpu, 14.728_MHz_XTAL / 6);
- m_maincpu->set_addrmap(AS_PROGRAM, &adm36_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &adm36_state::io_map);
- m_maincpu->set_daisy_config(daisy_chain);
-
- z80pio_device &pio(Z80PIO(config, "pio", 14.728_MHz_XTAL / 6));
- pio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- pio.out_pa_callback().set(FUNC(adm36_state::pio_pa_w));
- pio.in_pb_callback().set(FUNC(adm36_state::pio_pb_r));
- pio.out_pb_callback().set(FUNC(adm36_state::pio_pb_w));
-
- ER1400(config, m_earom);
-
- //F3870(config, "keybcpu", 3.579545_MHz_XTAL);
-
- z80ctc_device &ctc(Z80CTC(config, "ctc", 14.728_MHz_XTAL / 6));
- ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- ctc.set_clk<0>(14.728_MHz_XTAL / 12);
- ctc.set_clk<1>(14.728_MHz_XTAL / 12);
- ctc.set_clk<2>(14.728_MHz_XTAL / 12);
- ctc.set_clk<3>(14.728_MHz_XTAL / 12);
- ctc.zc_callback<0>().set("sio", FUNC(z80sio_device::txca_w));
- ctc.zc_callback<1>().set("sio", FUNC(z80sio_device::rxca_w));
- ctc.zc_callback<2>().set("sio", FUNC(z80sio_device::txcb_w));
- ctc.zc_callback<2>().append("sio", FUNC(z80sio_device::rxcb_w));
-
- z80sio_device &sio(Z80SIO(config, "sio", 14.728_MHz_XTAL / 6)); // MK3887N
- sio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- sio.out_txda_callback().set("modem", FUNC(rs232_port_device::write_txd));
- sio.out_rtsa_callback().set("modem", FUNC(rs232_port_device::write_rts));
- sio.out_dtra_callback().set("modem", FUNC(rs232_port_device::write_dtr));
- sio.out_txdb_callback().set("printer", FUNC(rs232_port_device::write_txd));
- sio.out_dtrb_callback().set("printer", FUNC(rs232_port_device::write_rts));
-
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_raw(14.728_MHz_XTAL, 936, 0, 720, 262, 0, 240);
- //screen.set_raw(24.3_MHz_XTAL, 1548, 0, 1188, 262, 0, 240);
- screen.set_screen_update(FUNC(adm36_state::screen_update));
-
- CRT5037(config, m_vtac, 14.728_MHz_XTAL / 9);
- m_vtac->set_char_width(9);
- m_vtac->set_screen("screen");
- m_vtac->vsyn_callback().set(FUNC(adm36_state::vsyn_w));
-
- rs232_port_device &modem(RS232_PORT(config, "modem", default_rs232_devices, nullptr)); // RS-232C, RS-422A or 20mA current loop
- modem.rxd_handler().set("sio", FUNC(z80sio_device::rxa_w));
- modem.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w));
- modem.dcd_handler().set("sio", FUNC(z80sio_device::dcda_w));
- modem.dsr_handler().set("pio", FUNC(z80pio_device::pb6_w));
-
- rs232_port_device &printer(RS232_PORT(config, "printer", default_rs232_devices, nullptr));
- printer.rxd_handler().set("sio", FUNC(z80sio_device::rxb_w));
- printer.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w));
- printer.dcd_handler().set("sio", FUNC(z80sio_device::dcda_w));
-}
-
-
-ROM_START(adm36)
- ROM_REGION(0x3000, "maincpu", 0)
- ROM_LOAD("u71_136261-012.bin", 0x0000, 0x2000, CRC(f08315c7) SHA1(3943a5fc587e690df81aa9694e6e452673ec5513))
- ROM_LOAD("u72_131671-015.bin", 0x2000, 0x1000, CRC(c397f4e2) SHA1(21513472fe4237bda8448a2ad85496757d4ece12))
- // U73-U75 are empty sockets
-
- ROM_REGION(0x1000, "chargen", 0)
- ROM_LOAD("u56.bin", 0x0000, 0x1000, CRC(70e46897) SHA1(85b4360912fc05243b3b2df29bde5a3def94086b))
-ROM_END
-
-
-COMP(1981, adm36, 0, 0, adm36, adm36, adm36_state, empty_init, "Lear Siegler", "ADM 36 Video Display Terminal", MACHINE_IS_SKELETON)