diff options
author | Robbbert <Robbbert@users.noreply.github.com> | 2017-11-20 03:54:53 +1100 |
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committer | Robbbert <Robbbert@users.noreply.github.com> | 2017-11-20 03:54:53 +1100 |
commit | 4106d1404eed92c829af374d0302397af7858798 (patch) | |
tree | a033ccf685333846296306520c60bc61964237ca | |
parent | 978fabb6b377f80b238ad26ab3d3e7f0f73e803a (diff) |
New Not Working machine : LSI M3
-rw-r--r-- | scripts/target/mame/mess.lua | 1 | ||||
-rw-r--r-- | src/mame/drivers/m3.cpp | 144 | ||||
-rw-r--r-- | src/mame/mame.lst | 3 | ||||
-rw-r--r-- | src/mame/mess.flt | 1 |
4 files changed, 149 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua index aa9cec3c845..7868d27906d 100644 --- a/scripts/target/mame/mess.lua +++ b/scripts/target/mame/mess.lua @@ -3514,6 +3514,7 @@ files { MAME_DIR .. "src/mame/drivers/lg-dvd.cpp", MAME_DIR .. "src/mame/drivers/lola8a.cpp", MAME_DIR .. "src/mame/drivers/lilith.cpp", + MAME_DIR .. "src/mame/drivers/m3.cpp", MAME_DIR .. "src/mame/drivers/m79152pc.cpp", MAME_DIR .. "src/mame/drivers/mccpm.cpp", MAME_DIR .. "src/mame/drivers/mes.cpp", diff --git a/src/mame/drivers/m3.cpp b/src/mame/drivers/m3.cpp new file mode 100644 index 00000000000..72579e560cd --- /dev/null +++ b/src/mame/drivers/m3.cpp @@ -0,0 +1,144 @@ +// license:BSD-3-Clause +// copyright-holders: +/*********************************************************************************************************************************** + +2017-11-20 Skeleton + +LSI M3 + +From disassembly: chips: Z80, 6845, 8251, 2x 8255, Z80CTC + + +************************************************************************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "video/mc6845.h" +#include "screen.h" + +class m3_state : public driver_device +{ +public: + m3_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_p_chargen(*this, "chargen") + , m_p_videoram(*this, "videoram") + , m_palette(*this, "palette") + { } + + MC6845_UPDATE_ROW(crtc_update_row); + +private: + virtual void machine_reset() override; + required_device<cpu_device> m_maincpu; + required_region_ptr<u8> m_p_chargen; + required_shared_ptr<u8> m_p_videoram; + required_device<palette_device> m_palette; +}; + +static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, m3_state ) + AM_RANGE(0x0000, 0xe7ff) AM_RAM + AM_RANGE(0xe800, 0xefff) AM_RAM AM_SHARE("videoram") + AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION("roms", 0) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( io_map, AS_PROGRAM, 8, m3_state ) + ADDRESS_MAP_GLOBAL_MASK (0xff) + AM_RANGE(0x84, 0x84) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) + AM_RANGE(0x85, 0x85) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) +ADDRESS_MAP_END + +static INPUT_PORTS_START( m3 ) +INPUT_PORTS_END + +MC6845_UPDATE_ROW( m3_state::crtc_update_row ) +{ + const rgb_t *pens = m_palette->palette()->entry_list_raw(); + uint8_t chr,gfx,inv; + uint16_t mem,x; + uint32_t *p = &bitmap.pix32(y); + + for (x = 0; x < x_count; x++) + { + inv = (x == cursor_x) ? 0xff : 0; + mem = (ma + x) & 0x7ff; + chr = m_p_videoram[mem]; + if (BIT(chr, 7)) + { + inv ^= 0xff; + chr &= 0x7f; + } + + /* get pattern of pixels for that character scanline */ + gfx = m_p_chargen[(chr<<4) | ra] ^ inv; + + /* Display a scanline of a character (8 pixels) */ + *p++ = pens[BIT(gfx, 6)]; + *p++ = pens[BIT(gfx, 5)]; + *p++ = pens[BIT(gfx, 4)]; + *p++ = pens[BIT(gfx, 3)]; + *p++ = pens[BIT(gfx, 2)]; + *p++ = pens[BIT(gfx, 1)]; + *p++ = pens[BIT(gfx, 0)]; + } +} + +/* F4 Character Displayer */ +static const gfx_layout charlayout = +{ + 7, 16, /* 7 x 16 characters */ + 128, /* 128 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 0, 8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8 }, + 8*16 /* every char takes 16 bytes */ +}; + +static GFXDECODE_START( f4disp ) + GFXDECODE_ENTRY( "chargen", 0x0000, charlayout, 0, 1 ) +GFXDECODE_END + +void m3_state::machine_reset() +{ + m_maincpu->set_pc(0xf000); +} + +static MACHINE_CONFIG_START( m3 ) + MCFG_CPU_ADD("maincpu", Z80, 2'000'000) // no idea of clock. + MCFG_CPU_PROGRAM_MAP(mem_map) + MCFG_CPU_IO_MAP(io_map) + + /* video hardware */ + MCFG_SCREEN_ADD_MONOCHROME("screen", RASTER, rgb_t::green()) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not correct + MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update) + MCFG_SCREEN_SIZE(640, 480) + MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 479) + MCFG_GFXDECODE_ADD("gfxdecode", "palette", f4disp) + MCFG_PALETTE_ADD_MONOCHROME("palette") + + /* Devices */ + MCFG_MC6845_ADD("crtc", MC6845, "screen", 2'000'000) // clk unknown + MCFG_MC6845_SHOW_BORDER_AREA(false) + MCFG_MC6845_CHAR_WIDTH(7) + MCFG_MC6845_UPDATE_ROW_CB(m3_state, crtc_update_row) +MACHINE_CONFIG_END + +ROM_START( m3 ) + ROM_REGION( 0x3000, "roms", 0 ) + ROM_LOAD( "bootstrap_prom_(034).bin", 0x0000, 0x0800, CRC(7fdb051e) SHA1(7aa24d4f44b6a0c8f7f647667f4997432c186cac) ) + ROM_LOAD( "monitor_prom_v1.7_2015-12-09.bin", 0x0800, 0x0800, CRC(85b5c541) SHA1(92b4ec87a4d0d8c0f7b49eec0c5457f237de0a01) ) + + ROM_REGION( 0x0800, "chargen", 0 ) // bit 7 set on every byte - bad? + ROM_LOAD( "6845crt_font_prom_(033).bin", 0x0000, 0x0800, CRC(cc29f664) SHA1(4197530d9455d665fd4773f95bb6394f6b056dec) ) + + ROM_REGION( 0x0800, "keyboard", 0 ) + ROM_LOAD( "keyboard_prom_(032).bin", 0x0000, 0x0800, CRC(21548355) SHA1(ee4ce4af9c78474263dd58e0f19e79e5b00926fa) ) +ROM_END + +COMP( 19??, m3, 0, 0, m3, m3, m3_state, 0, "LSI", "M3", MACHINE_IS_SKELETON ) diff --git a/src/mame/mame.lst b/src/mame/mame.lst index cc598fc94e9..d6b92392f8f 100644 --- a/src/mame/mame.lst +++ b/src/mame/mame.lst @@ -17895,6 +17895,9 @@ m40 // m24 // m240 // +@source:m3.cpp +m3 // + @source:m5.cpp m5 // m5p // diff --git a/src/mame/mess.flt b/src/mame/mess.flt index 96f1321f3f4..10e7f085043 100644 --- a/src/mame/mess.flt +++ b/src/mame/mess.flt @@ -345,6 +345,7 @@ lwriter.cpp lynx.cpp m20.cpp m24.cpp +m3.cpp m5.cpp m6805evs.cpp m68705prg.cpp |