/*************************************************************************** Intel iPDS 17/12/2009 Skeleton driver. ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "video/i8275.h" #include "machine/keyboard.h" #define KEYBOARD_TAG "keyboard" class ipds_state : public driver_device { public: ipds_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_crtc(*this, "i8275"), m_palette(*this, "palette") { } required_device m_maincpu; required_device m_crtc; required_device m_palette; DECLARE_READ8_MEMBER(ipds_b0_r); DECLARE_READ8_MEMBER(ipds_b1_r); DECLARE_READ8_MEMBER(ipds_c0_r); DECLARE_WRITE8_MEMBER(ipds_b1_w); DECLARE_WRITE8_MEMBER(kbd_put); I8275_DRAW_CHARACTER_MEMBER( crtc_display_pixels ); UINT8 m_term_data; virtual void machine_reset(); }; READ8_MEMBER( ipds_state::ipds_b0_r ) { if (m_term_data) return 0xc0; else return 0x80; } READ8_MEMBER( ipds_state::ipds_b1_r ) { UINT8 ret = m_term_data; m_term_data = 0; return ret; } READ8_MEMBER( ipds_state::ipds_c0_r ) { return 0x55; } WRITE8_MEMBER( ipds_state::ipds_b1_w ) { } static ADDRESS_MAP_START(ipds_mem, AS_PROGRAM, 8, ipds_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x07ff) AM_ROM AM_RANGE(0x0800, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( ipds_io, AS_IO, 8, ipds_state) ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0xb0, 0xb0) AM_READ(ipds_b0_r) AM_RANGE(0xb1, 0xb1) AM_READWRITE(ipds_b1_r,ipds_b1_w) AM_RANGE(0xc0, 0xc0) AM_READ(ipds_c0_r) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( ipds ) INPUT_PORTS_END void ipds_state::machine_reset() { } I8275_DRAW_CHARACTER_MEMBER( ipds_state::crtc_display_pixels ) { int i; const rgb_t *palette = m_palette->palette()->entry_list_raw(); UINT8 *charmap = memregion("chargen")->base(); UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff; if (vsp) pixels = 0; if (lten) pixels = 0xff; if (rvv) pixels ^= 0xff; for(i=0;i<6;i++) bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1 ? (hlgt ? 2 : 1) : 0]; } /* F4 Character Displayer */ static const gfx_layout ipds_charlayout = { 8, 11, /* 8 x 11 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, 8*8, 9*8, 10*8 }, 8*16 /* every char takes 16 bytes */ }; static GFXDECODE_START( ipds ) GFXDECODE_ENTRY( "chargen", 0x0000, ipds_charlayout, 0, 1 ) GFXDECODE_END WRITE8_MEMBER( ipds_state::kbd_put ) { m_term_data = data; } static MACHINE_CONFIG_START( ipds, ipds_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I8085A, XTAL_19_6608MHz / 4) MCFG_CPU_PROGRAM_MAP(ipds_mem) MCFG_CPU_IO_MAP(ipds_io) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_UPDATE_DEVICE("i8275", i8275_device, screen_update) 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_GFXDECODE_ADD("gfxdecode", "palette", ipds) MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette") MCFG_DEVICE_ADD("i8275", I8275, XTAL_19_6608MHz / 4) MCFG_I8275_CHARACTER_WIDTH(6) MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(ipds_state, crtc_display_pixels) MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) MCFG_GENERIC_KEYBOARD_CB(WRITE8(ipds_state, kbd_put)) MACHINE_CONFIG_END /* ROM definition */ ROM_START( ipds ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "164180.bin", 0x0000, 0x0800, CRC(10ba23ce) SHA1(67a9d03a08cdd7c70a867fb7e069703c7a0b9094) ) ROM_REGION( 0x10000, "slavecpu", ROMREGION_ERASEFF ) ROM_LOAD( "164196.bin", 0x0000, 0x1000, CRC(d3e18bc6) SHA1(01bc233be154bdfea9e8015839c5885cdaa08f11) ) ROM_REGION(0x0800, "chargen",0) ROM_LOAD( "163642.bin", 0x0000, 0x0800, CRC(3d81b2d1) SHA1(262a42920f15f1156ad0717c876cc0b2ed947ec5) ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1982, ipds, 0, 0, ipds, ipds, driver_device, 0, "Intel", "iPDS", GAME_NOT_WORKING | GAME_NO_SOUND)