diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2018-11-11 17:44:45 -0500 |
---|---|---|
committer | AJR <ajrhacker@users.noreply.github.com> | 2018-11-11 18:00:11 -0500 |
commit | b3316024aef8df5c1ef2bfe4c3ba667cf50cdfa3 (patch) | |
tree | c04e46a5344a809e29030fe398391f80bc03c5c7 | |
parent | a6714d0c993666dc7ac59a50aaa777eced4d9216 (diff) |
New machines marked as NOT_WORKING
----------------------------------
Model 931 Video Display Terminal [Al Kossow]
-rw-r--r-- | scripts/target/mame/mess.lua | 1 | ||||
-rw-r--r-- | src/mame/drivers/ti931.cpp | 143 | ||||
-rw-r--r-- | src/mame/mame.lst | 3 | ||||
-rw-r--r-- | src/mame/mess.flt | 1 |
4 files changed, 148 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua index 1952c10fc4c..e140389b39b 100644 --- a/scripts/target/mame/mess.lua +++ b/scripts/target/mame/mess.lua @@ -3325,6 +3325,7 @@ files { MAME_DIR .. "src/mame/video/ti85.cpp", MAME_DIR .. "src/mame/drivers/ti89.cpp", MAME_DIR .. "src/mame/includes/ti89.h", + MAME_DIR .. "src/mame/drivers/ti931.cpp", MAME_DIR .. "src/mame/drivers/ti99_2.cpp", MAME_DIR .. "src/mame/drivers/ti99_4x.cpp", MAME_DIR .. "src/mame/drivers/ti99_4p.cpp", diff --git a/src/mame/drivers/ti931.cpp b/src/mame/drivers/ti931.cpp new file mode 100644 index 00000000000..3f172899b6c --- /dev/null +++ b/src/mame/drivers/ti931.cpp @@ -0,0 +1,143 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/******************************************************************************* + + Skeleton driver for TI Model 931 RS-232/fiber-optic video display terminal. + +*******************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +//#include "bus/rs232/rs232.h" +#include "machine/nvram.h" +#include "machine/z80ctc.h" +#include "machine/z80dart.h" +#include "video/scn2674.h" +#include "screen.h" + +class ti931_state : public driver_device +{ +public: + ti931_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_pvtc(*this, "pvtc") + , m_chargen(*this, "chargen") + { + } + + void ti931(machine_config &config); + +private: + SCN2672_DRAW_CHARACTER_MEMBER(draw_character); + + void mem_map(address_map &map); + void io_map(address_map &map); + void char_map(address_map &map); + void attr_map(address_map &map); + + required_device<z80_device> m_maincpu; + required_device<scn2672_device> m_pvtc; + required_region_ptr<u8> m_chargen; +}; + +SCN2672_DRAW_CHARACTER_MEMBER(ti931_state::draw_character) +{ + u16 dots = m_chargen[(charcode & 0x7f) << 4 | linecount]; + const bool half_shift = BIT(dots, 7); + dots = (dots & 0x7f) << 1; + + // TODO: attributes + for (int i = 0; i < 9; i++) + { + if (!half_shift) + dots <<= 1; + bitmap.pix32(y, x++) = BIT(dots, 8) ? rgb_t::white() : rgb_t::black(); + if (half_shift) + dots <<= 1; + bitmap.pix32(y, x++) = BIT(dots, 8) ? rgb_t::white() : rgb_t::black(); + } +} + +void ti931_state::mem_map(address_map &map) +{ + map(0x0000, 0x7fff).rom().region("program", 0); + map(0x8000, 0x87ff).ram().share("charram"); + map(0x8800, 0x8fff).ram().share("attrram"); + map(0x9000, 0x97ff).ram().share("nvram"); + map(0x9800, 0x9fff).ram(); // also NVRAM? +} + +void ti931_state::io_map(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x03).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); + map(0x08, 0x0b).rw("dart", FUNC(z80dart_device::cd_ba_r), FUNC(z80dart_device::cd_ba_w)); + map(0x10, 0x17).rw(m_pvtc, FUNC(scn2672_device::read), FUNC(scn2672_device::write)); +} + +void ti931_state::char_map(address_map &map) +{ + map(0x0000, 0x07ff).ram().share("charram"); // HM6116LP-3 +} + +void ti931_state::attr_map(address_map &map) +{ + map(0x0000, 0x07ff).ram().share("attrram"); // HM6116LP-3 +} + +static INPUT_PORTS_START(ti931) +INPUT_PORTS_END + +static const z80_daisy_config daisy_chain[] = +{ + { "dart" }, + { nullptr } +}; + +void ti931_state::ti931(machine_config &config) +{ + Z80(config, m_maincpu, 22.1184_MHz_XTAL / 6); // MK3880N-4 + m_maincpu->set_addrmap(AS_PROGRAM, &ti931_state::mem_map); + m_maincpu->set_addrmap(AS_IO, &ti931_state::io_map); + m_maincpu->set_daisy_config(daisy_chain); + + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // HM6116LP-3 or TC5517APL + battery + + z80ctc_device &ctc(Z80CTC(config, "ctc", 22.1184_MHz_XTAL / 6)); // Z8340APS + ctc.set_clk<0>(22.1184_MHz_XTAL / 12); + ctc.set_clk<1>(22.1184_MHz_XTAL / 12); + ctc.set_clk<2>(22.1184_MHz_XTAL / 12); // possibly different from the other two + ctc.zc_callback<0>().set("dart", FUNC(z80dart_device::rxtxcb_w)); + ctc.zc_callback<1>().set("dart", FUNC(z80dart_device::rxca_w)); + ctc.zc_callback<1>().append("dart", FUNC(z80dart_device::txca_w)); + // No CTC interrupts + + z80dart_device &dart(Z80DART(config, "dart", 22.1184_MHz_XTAL / 6)); // Z8370APS + dart.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_raw(22.1184_MHz_XTAL * 2, 954 * 2, 0, 720 * 2, 389, 0, 350); + screen.set_screen_update("pvtc", FUNC(scn2672_device::screen_update)); + + SCN2672(config, m_pvtc, 22.1184_MHz_XTAL / 9); // SCN2672B (with SCB2677B) + m_pvtc->set_screen("screen"); + m_pvtc->set_character_width(9 * 2); + m_pvtc->set_addrmap(0, &ti931_state::char_map); + m_pvtc->set_addrmap(1, &ti931_state::attr_map); + m_pvtc->set_display_callback(FUNC(ti931_state::draw_character)); + m_pvtc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); +} + +ROM_START(ti931) + ROM_REGION(0x8000, "program", ROMREGION_ERASEFF) + ROM_LOAD("2229208-0003_xu9.bin", 0x0000, 0x2000, CRC(a3c43008) SHA1(4bcce64487ed2b72cc8bc898c1c85291d9b766ab)) + ROM_LOAD("2229209-0003_xu7.bin", 0x2000, 0x2000, CRC(49481614) SHA1(b69b0b1f27f7e8910dbf501c00098b816e8920d7)) + ROM_LOAD("2229221-0003_xu5.bin", 0x4000, 0x2000, CRC(30f28d08) SHA1(81709b7d90899f5d9ea66026b2cf6add698e17c1)) + // XU3 socket is unpopulated + + ROM_REGION(0x0800, "chargen", 0) + ROM_LOAD("2229199-2_xu1.bin", 0x0000, 0x0800, CRC(f76bb2bb) SHA1(57ec0392a2b5798eef43f0408347402c2941cee1)) // 01/29/85 CTE +ROM_END + +COMP(1983, ti931, 0, 0, ti931, ti931, ti931_state, empty_init, "Texas Instruments", "Model 931 Video Display Terminal", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_SOUND)
\ No newline at end of file diff --git a/src/mame/mame.lst b/src/mame/mame.lst index 27c4f3f6f47..ebd35493503 100644 --- a/src/mame/mame.lst +++ b/src/mame/mame.lst @@ -37256,6 +37256,9 @@ ti92 // 1995 TI-92 ti92p // 1999 TI-92 Plus v200 // 2002 Voyage 200 PLT +@source:ti931.cpp +ti931 // 1983 + @source:ti99_2.cpp ti99_224 // 1983 TI 99/2 (24kb ROMs) ti99_232 // 1983 TI 99/2 (32kb ROMs) diff --git a/src/mame/mess.flt b/src/mame/mess.flt index bc170f0a288..45b507f8fe0 100644 --- a/src/mame/mess.flt +++ b/src/mame/mess.flt @@ -724,6 +724,7 @@ ti630.cpp ti74.cpp ti85.cpp ti89.cpp +ti931.cpp ti99_2.cpp ti99_4p.cpp ti99_4x.cpp |