diff options
Diffstat (limited to 'src/mame/drivers/alcat7100.cpp')
-rw-r--r-- | src/mame/drivers/alcat7100.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/mame/drivers/alcat7100.cpp b/src/mame/drivers/alcat7100.cpp new file mode 100644 index 00000000000..3a3b1dec0fd --- /dev/null +++ b/src/mame/drivers/alcat7100.cpp @@ -0,0 +1,118 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/******************************************************************************* + + Skeleton driver for Alcatel 7100 terminal. + +*******************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "machine/am9517a.h" +#include "machine/ay31015.h" +#include "machine/z80ctc.h" +#include "machine/z80pio.h" +#include "video/mc6845.h" +#include "screen.h" + +class alcat7100_state : public driver_device +{ +public: + alcat7100_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + { } + + void alcat7100(machine_config &config); + +private: + MC6845_UPDATE_ROW(update_row); + + void mem_map(address_map &map); + void io_map(address_map &map); + + required_device<z80_device> m_maincpu; +}; + + +MC6845_UPDATE_ROW(alcat7100_state::update_row) +{ +} + + +void alcat7100_state::mem_map(address_map &map) +{ + map(0x0000, 0x0fff).rom().region("maincpu", 0); + map(0x7800, 0x7fff).ram(); + map(0xc800, 0xcfff).ram(); + map(0xf800, 0xffff).ram(); +} + +void alcat7100_state::io_map(address_map &map) +{ + map.global_mask(0xff); + map(0x09, 0x09).nopw(); + map(0x0c, 0x0f).rw("pio1", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); + map(0x20, 0x23).rw("pio2", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); + map(0x24, 0x24).w("crtc", FUNC(mc6845_device::address_w)); + map(0x28, 0x2b).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0x25, 0x25).w("crtc", FUNC(mc6845_device::register_w)); + map(0x30, 0x3f).rw("dmac", FUNC(am9517a_device::read), FUNC(am9517a_device::write)); +} + + +static INPUT_PORTS_START(alcat7100) +INPUT_PORTS_END + + +static const z80_daisy_config daisy_chain[] = +{ + { "pio1" }, + { "pio2" }, + { "ctc" }, + { nullptr } +}; + +void alcat7100_state::alcat7100(machine_config &config) +{ + Z80(config, m_maincpu, 24_MHz_XTAL / 6); // MK3880N-4 (clock not verified) + m_maincpu->set_addrmap(AS_PROGRAM, &alcat7100_state::mem_map); + m_maincpu->set_addrmap(AS_IO, &alcat7100_state::io_map); + m_maincpu->set_daisy_config(daisy_chain); + + AM9517A(config, "dmac", 24_MHz_XTAL / 6); // P8237A-5 + + z80pio_device &pio1(Z80PIO(config, "pio1", 24_MHz_XTAL / 6)); // Z8420A + pio1.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + + z80pio_device &pio2(Z80PIO(config, "pio2", 24_MHz_XTAL / 6)); // Z8420A + pio2.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + pio2.in_pb_callback().set_constant(0x80); // ? + + z80ctc_device &ctc(Z80CTC(config, "ctc", 24_MHz_XTAL / 6)); + ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_raw(15'900'000, 1200, 0, 960, 265, 0, 240); + screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); + + mc6845_device &crtc(MC6845(config, "crtc", 15'900'000 / 12)); + crtc.set_screen("screen"); + crtc.set_char_width(12); + crtc.set_show_border_area(false); + crtc.set_update_row_callback(FUNC(alcat7100_state::update_row), this); + + AY31015(config, "uart"); // AMI S1602P +} + + +ROM_START(alcat7100) // Z80 // 256k ram // b&w // looks like it needs a boot floppy to start + ROM_REGION(0x10000, "maincpu", 0) + ROM_LOAD("rom.u117", 0x0000, 0x0800, CRC(9c0debf7) SHA1(a042db34090656224ede41d8190f22f719d1a634)) + ROM_LOAD("906_513601_012gd2.u110", 0x0800, 0x0800, CRC(9346a41c) SHA1(6f7a2946494adac4d34874da9d5e475c99457000)) // keyboard? + + ROM_REGION(0x1000, "chargen", 0) // first half blank + ROM_LOAD("906_513301_rev00_ba6d.u20", 0x0000, 0x1000, CRC(143cfdfc) SHA1(4d924d1f16c30d72e1fdbb786488156bb9961442)) +ROM_END + +COMP(1984, alcat7100, 0, 0, alcat7100, alcat7100, alcat7100_state, empty_init, "Alcatel", "Terminal 7100", MACHINE_IS_SKELETON) |