diff options
Diffstat (limited to 'src/mame/drivers/ampex210.cpp')
-rw-r--r-- | src/mame/drivers/ampex210.cpp | 100 |
1 files changed, 91 insertions, 9 deletions
diff --git a/src/mame/drivers/ampex210.cpp b/src/mame/drivers/ampex210.cpp index 6f9c0152eea..57ce13e1672 100644 --- a/src/mame/drivers/ampex210.cpp +++ b/src/mame/drivers/ampex210.cpp @@ -2,14 +2,17 @@ // copyright-holders:AJR /*************************************************************************** - Skeleton driver for Ampex 210/210+ video display terminals. + Skeleton driver for Ampex 210(+) and 230(+) video display terminals. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" +#include "machine/ampex210_kbd.h" #include "machine/mos6551.h" #include "machine/nvram.h" +#include "machine/z80ctc.h" +#include "machine/z80dart.h" #include "video/scn2674.h" #include "screen.h" @@ -24,15 +27,21 @@ public: { } void ampex210p(machine_config &config); + void ampex230(machine_config &config); private: + void common_video(machine_config &config); + SCN2672_DRAW_CHARACTER_MEMBER(draw_character); - void mem_map(address_map &map); - void io_map(address_map &map); + void ampex210_mem(address_map &map); + void ampex230_mem(address_map &map); + void ampex210_io(address_map &map); + void ampex230_io(address_map &map); void vram_map(address_map &map); + void vram2_map(address_map &map); - required_device<cpu_device> m_maincpu; + required_device<z80_device> m_maincpu; required_region_ptr<u8> m_chargen; }; @@ -41,14 +50,22 @@ SCN2672_DRAW_CHARACTER_MEMBER(ampex210_state::draw_character) { } -void ampex210_state::mem_map(address_map &map) +void ampex210_state::ampex210_mem(address_map &map) { map(0x0000, 0x7fff).rom().region("maincpu", 0); map(0x8000, 0x87ff).ram().share("nvram"); map(0x8800, 0x9fff).ram(); } -void ampex210_state::io_map(address_map &map) +void ampex210_state::ampex230_mem(address_map &map) +{ + map(0x0000, 0x7fff).rom().region("maincpu", 0); + map(0x8000, 0x8007).rw("pvtc", FUNC(scn2672_device::read), FUNC(scn2672_device::write)); + map(0xa000, 0xbfff).ram(); + map(0xc000, 0xdfff).ram().share("nvram"); +} + +void ampex210_state::ampex210_io(address_map &map) { map.global_mask(0xff); map(0x00, 0x07).rw("pvtc", FUNC(scn2672_device::read), FUNC(scn2672_device::write)); @@ -59,11 +76,27 @@ void ampex210_state::io_map(address_map &map) map(0xc7, 0xc7).nopw(); } +void ampex210_state::ampex230_io(address_map &map) +{ + map.global_mask(0xff); + map(0x10, 0x10).w("pvtc", FUNC(scn2672_device::buffer_w)); + map(0x11, 0x11).r("pvtc", FUNC(scn2672_device::buffer_r)); + map(0x12, 0x12).w("pvtc", FUNC(scn2672_device::attr_buffer_w)); + map(0x13, 0x13).r("pvtc", FUNC(scn2672_device::attr_buffer_r)); + map(0x30, 0x33).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0x40, 0x43).rw("dart", FUNC(z80dart_device::ba_cd_r), FUNC(z80dart_device::ba_cd_w)); +} + void ampex210_state::vram_map(address_map &map) { map(0x0000, 0x1fff).ram(); // MB8464A-10L (second half unused?) } +void ampex210_state::vram2_map(address_map &map) +{ + map(0x0000, 0x1fff).ram(); +} + static INPUT_PORTS_START(ampex210p) INPUT_PORTS_END @@ -72,8 +105,8 @@ INPUT_PORTS_END void ampex210_state::ampex210p(machine_config &config) { Z80(config, m_maincpu, 3.6864_MHz_XTAL); // Z80ACPU; clock uncertain - m_maincpu->set_addrmap(AS_PROGRAM, &ex210_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &ex210_state::io_map); + m_maincpu->set_addrmap(AS_PROGRAM, &ex210_state::ampex210_mem); + m_maincpu->set_addrmap(AS_IO, &ex210_state::ampex210_io); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // UM6116-2 @@ -88,11 +121,51 @@ void ampex210_state::ampex210p(machine_config &config) pvtc.set_screen("screen"); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_color(rgb_t::amber()); screen.set_raw(19.602_MHz_XTAL, 900, 0, 720, 363, 0, 300); //screen.set_raw(32.147_MHz_XTAL, 1476, 0, 1188, 363, 0, 300); screen.set_screen_update("pvtc", FUNC(scn2672_device::screen_update)); } +static const z80_daisy_config daisy_chain[] = +{ + { "dart" }, + { "ctc" }, + { nullptr } +}; + +void ampex210_state::ampex230(machine_config &config) +{ + Z80(config, m_maincpu, 3.6864_MHz_XTAL); // Z80ACPU; clock uncertain + m_maincpu->set_addrmap(AS_PROGRAM, &ex210_state::ampex230_mem); + m_maincpu->set_addrmap(AS_IO, &ex210_state::ampex230_io); + m_maincpu->set_daisy_config(daisy_chain); + + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); + + z80ctc_device &ctc(Z80CTC(config, "ctc", 3.6864_MHz_XTAL)); // Z8430AB1 + ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + + z80dart_device &dart(Z80DART(config, "dart", 3.6864_MHz_XTAL)); // Z80847004PSC + dart.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + + AMPEX230_KEYBOARD(config, "keyboard"); + + scn2672_device &pvtc(SCN2672(config, "pvtc", 19.602_MHz_XTAL / 9)); // MC2672B4P + pvtc.intr_callback().set_inputline("maincpu", INPUT_LINE_NMI); + pvtc.set_character_width(9); + pvtc.set_display_callback(FUNC(ampex210_state::draw_character)); + pvtc.set_addrmap(0, &ex210_state::vram_map); + pvtc.set_addrmap(1, &ex210_state::vram2_map); + pvtc.set_screen("screen"); + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_color(rgb_t::amber()); + screen.set_raw(19.602_MHz_XTAL, 900, 0, 720, 363, 0, 312); + //screen.set_raw(32.147_MHz_XTAL, 1476, 0, 1188, 363, 0, 312); + screen.set_screen_update("pvtc", FUNC(scn2672_device::screen_update)); +} + ROM_START(ampex210p) // Z80 (+6551,MC2672,3515260-01, 3 xtals, speaker) // 8k ram // amber ROM_REGION(0x8000, "maincpu", 0) @@ -102,4 +175,13 @@ ROM_START(ampex210p) // Z80 (+6551,MC2672,3515260-01, 3 xtals, speaker) // 8k ra ROM_LOAD("35-526-01.u3", 0x0000, 0x1000, CRC(4659bcd2) SHA1(554574f55ed875baba0a6133648c44df763cc5c4)) ROM_END -COMP(1989, ampex210p, 0, 0, ampex210p, ampex210p, ampex210_state, empty_init, "Ampex", "210+", MACHINE_IS_SKELETON) +ROM_START(ampex230) + ROM_REGION(0x8000, "maincpu", 0) + ROM_LOAD("230_u11.bin", 0x0000, 0x8000, CRC(c8f93719) SHA1(81019b42245ca60c7de3ee5d3194c4d22fd38a8d)) + + ROM_REGION(0x2000, "chargen", 0) + ROM_LOAD("230_u2.bin", 0x0000, 0x2000, CRC(7143b773) SHA1(616d3c0c1a1f7a00bf16857324043955ab842994)) +ROM_END + +COMP(1989, ampex210p, 0, 0, ampex210p, ampex210p, ampex210_state, empty_init, "Ampex", "210+", MACHINE_IS_SKELETON) +COMP(1989, ampex230, 0, 0, ampex230, ampex210p, ampex210_state, empty_init, "Ampex", "230", MACHINE_IS_SKELETON) |