diff options
Diffstat (limited to 'src/mame/drivers/a51xx.c')
-rw-r--r-- | src/mame/drivers/a51xx.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/mame/drivers/a51xx.c b/src/mame/drivers/a51xx.c new file mode 100644 index 00000000000..2155fce0124 --- /dev/null +++ b/src/mame/drivers/a51xx.c @@ -0,0 +1,177 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + A51xx + + 12/05/2009 Skeleton driver. + + http://www.robotrontechnik.de/index.htm?/html/computer/a5120.htm + http://www.robotrontechnik.de/index.htm?/html/computer/a5130.htm + +****************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" + + +class a51xx_state : public driver_device +{ +public: + a51xx_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) , + m_maincpu(*this, "maincpu") { } + + virtual void machine_reset(); + virtual void video_start(); + DECLARE_MACHINE_RESET(a5130); + DECLARE_VIDEO_START(a5130); + UINT32 screen_update_a5120(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + UINT32 screen_update_a5130(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + required_device<cpu_device> m_maincpu; +}; + + +static ADDRESS_MAP_START(a5120_mem, AS_PROGRAM, 8, a51xx_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x03ff ) AM_ROM + AM_RANGE( 0x0400, 0xffff ) AM_RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( a5120_io, AS_IO, 8, a51xx_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(a5130_mem, AS_PROGRAM, 8, a51xx_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE( 0x0000, 0x0fff ) AM_ROM + AM_RANGE( 0x1000, 0xffff ) AM_RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( a5130_io, AS_IO, 8, a51xx_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( a5120 ) +INPUT_PORTS_END + + +void a51xx_state::machine_reset() +{ +} + +void a51xx_state::video_start() +{ +} + +UINT32 a51xx_state::screen_update_a5120(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + return 0; +} + + +/* Input ports */ +static INPUT_PORTS_START( a5130 ) +INPUT_PORTS_END + + +MACHINE_RESET_MEMBER(a51xx_state,a5130) +{ +} + +VIDEO_START_MEMBER(a51xx_state,a5130) +{ +} + +UINT32 a51xx_state::screen_update_a5130(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + return 0; +} + +/* F4 Character Displayer */ +static const gfx_layout a51xx_charlayout = +{ + 8, 16, /* 8 x 16 characters */ + 128, /* 128 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 1024*8, 1025*8, 1026*8, 1027*8, 1028*8, 1029*8, 1030*8, 1031*8 }, + 8*8 /* every char takes 2 x 8 bytes */ +}; + +static GFXDECODE_START( a51xx ) + GFXDECODE_ENTRY( "chargen", 0x0000, a51xx_charlayout, 0, 1 ) +GFXDECODE_END + +static MACHINE_CONFIG_START( a5120, a51xx_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) + MCFG_CPU_PROGRAM_MAP(a5120_mem) + MCFG_CPU_IO_MAP(a5120_io) + + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(640, 480) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) + MCFG_SCREEN_UPDATE_DRIVER(a51xx_state, screen_update_a5120) + MCFG_SCREEN_PALETTE("palette") + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", a51xx) + + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") + +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( a5130, a5120 ) + /* basic machine hardware */ + MCFG_CPU_MODIFY("maincpu") + MCFG_CPU_PROGRAM_MAP(a5130_mem) + MCFG_CPU_IO_MAP(a5130_io) + + MCFG_MACHINE_RESET_OVERRIDE(a51xx_state,a5130) + + /* video hardware */ + MCFG_SCREEN_MODIFY("screen") + MCFG_SCREEN_UPDATE_DRIVER(a51xx_state, screen_update_a5130) + + MCFG_VIDEO_START_OVERRIDE(a51xx_state,a5130) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( a5120 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_SYSTEM_BIOS( 0, "v1", "v1" ) + ROMX_LOAD( "a5120_v1.rom", 0x0000, 0x0400, CRC(b2b3fee0) SHA1(6198513b263d8a7a867f1dda368b415bb37fcdae), ROM_BIOS(1)) + ROM_SYSTEM_BIOS( 1, "v2", "v2" ) + ROMX_LOAD( "a5120_v2.rom", 0x0000, 0x0400, CRC(052386c2) SHA1(e545d30a0882cb7ee7acdbea842b57440552e4a6), ROM_BIOS(2)) + + ROM_REGION(0x0800, "chargen",0) + ROM_LOAD( "bab47_1_lat.bin", 0x0000, 0x0400, CRC(93220886) SHA1(a5a1ab4e2e06eabc58c84991caa6a1cf55f1462d)) + ROM_LOAD( "bab46_2_lat.bin", 0x0400, 0x0400, CRC(7a578ec8) SHA1(d17d3f1c182c23e9e9fd4dd56f3ac3de4c18fb1a)) +ROM_END + +/* ROM definition */ +ROM_START( a5130 ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "dzr5130.rom", 0x0000, 0x1000, CRC(4719beb7) SHA1(09295a658b8c5b75b20faea57ad925f69f07a9b5)) + + ROM_REGION(0x0800, "chargen",0) + ROM_LOAD( "bab47_1_lat.bin", 0x0000, 0x0400, CRC(93220886) SHA1(a5a1ab4e2e06eabc58c84991caa6a1cf55f1462d)) + ROM_LOAD( "bab46_2_lat.bin", 0x0400, 0x0400, CRC(7a578ec8) SHA1(d17d3f1c182c23e9e9fd4dd56f3ac3de4c18fb1a)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, a5120, 0, 0, a5120, a5120, driver_device, 0, "VEB Robotron", "A5120", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) +COMP( 1983, a5130, a5120, 0, a5130, a5130, driver_device, 0, "VEB Robotron", "A5130", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |