// 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" #include "emupal.h" #include "screen.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") { } void a5130(machine_config &config); void a5120(machine_config &config); private: virtual void machine_reset() override; virtual void video_start() override; DECLARE_MACHINE_RESET(a5130); DECLARE_VIDEO_START(a5130); uint32_t screen_update_a5120(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); uint32_t screen_update_a5130(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); required_device m_maincpu; void a5120_io(address_map &map); void a5120_mem(address_map &map); void a5130_io(address_map &map); void a5130_mem(address_map &map); }; void a51xx_state::a5120_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x03ff).rom(); map(0x0400, 0xffff).ram(); } void a51xx_state::a5120_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); } void a51xx_state::a5130_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x0fff).rom(); map(0x1000, 0xffff).ram(); } void a51xx_state::a5130_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); } /* Input ports */ static INPUT_PORTS_START( a5120 ) INPUT_PORTS_END void a51xx_state::machine_reset() { } void a51xx_state::video_start() { } uint32_t 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_t 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( gfx_a51xx ) GFXDECODE_ENTRY( "chargen", 0x0000, a51xx_charlayout, 0, 1 ) GFXDECODE_END void a51xx_state::a5120(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(4'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &a51xx_state::a5120_mem); m_maincpu->set_addrmap(AS_IO, &a51xx_state::a5120_io); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(640, 480); screen.set_visarea_full(); screen.set_screen_update(FUNC(a51xx_state::screen_update_a5120)); screen.set_palette("palette"); GFXDECODE(config, "gfxdecode", "palette", gfx_a51xx); PALETTE(config, "palette", palette_device::MONOCHROME); } void a51xx_state::a5130(machine_config &config) { a5120(config); /* basic machine hardware */ m_maincpu->set_addrmap(AS_PROGRAM, &a51xx_state::a5130_mem); m_maincpu->set_addrmap(AS_IO, &a51xx_state::a5130_io); MCFG_MACHINE_RESET_OVERRIDE(a51xx_state,a5130) /* video hardware */ subdevice("screen")->set_screen_update(FUNC(a51xx_state::screen_update_a5130)); MCFG_VIDEO_START_OVERRIDE(a51xx_state,a5130) } /* 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(0)) ROM_SYSTEM_BIOS( 1, "v2", "v2" ) ROMX_LOAD( "a5120_v2.rom", 0x0000, 0x0400, CRC(052386c2) SHA1(e545d30a0882cb7ee7acdbea842b57440552e4a6), ROM_BIOS(1)) 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 CLASS INIT COMPANY FULLNAME FLAGS COMP( 1982, a5120, 0, 0, a5120, a5120, a51xx_state, empty_init, "VEB Robotron", "A5120", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) COMP( 1983, a5130, a5120, 0, a5130, a5130, a51xx_state, empty_init, "VEB Robotron", "A5130", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )