src/mess/drivers/pv2000.c
| r8489 | r8490 | |
|---|
| 1 | | /*************************************************************************** |
| 2 | | |
| 3 | | Driver for Casio PV-2000 |
| 1 | /* |
| 4 | 2 | |
| 5 | | 13/07/2010 Skeleton driver. |
| 3 | CASIO PV- |
| 6 | 4 | |
| 7 | | ****************************************************************************/ |
| 5 | (preliminary work by anondumper) |
| 6 | Thanks for the loaner (Ianoid) |
| 8 | 7 | |
| 8 | NOTE: |
| 9 | The PCB has printed names of components, not ICXY, etc |
| 10 | but: "hn613128pc64.bin" |
| 11 | |
| 12 | SEE |
| 13 | http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_k1.jpg |
| 14 | http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_14.jpg |
| 15 | http://hou4gong1.mo-blog.jp/.shared/image.html?/photos/uncategorized/pv_2000_15.jpg |
| 16 | |
| 17 | Also See: |
| 18 | http://www2.odn.ne.jp/~haf09260/Pv2000/EnrPV.htm |
| 19 | For BIOS CRC confirmation |
| 20 | */ |
| 21 | |
| 22 | |
| 9 | 23 | #include "emu.h" |
| 10 | 24 | #include "cpu/z80/z80.h" |
| 25 | #include "sound/sn76496.h" |
| 26 | #include "video/tms9928a.h" |
| 27 | #include "devices/cartslot.h" |
| 11 | 28 | |
| 12 | | static ADDRESS_MAP_START(pv2000_mem, ADDRESS_SPACE_PROGRAM, 8) |
| 13 | | ADDRESS_MAP_UNMAP_HIGH |
| 14 | | AM_RANGE(0x0000, 0x3fff) AM_ROM |
| 15 | | AM_RANGE(0x4000, 0xffff) AM_RAM |
| 29 | |
| 30 | static int last_state=0; |
| 31 | |
| 32 | static WRITE8_HANDLER( pv2000_keys_w ) |
| 33 | { |
| 34 | switch(offset){ |
| 35 | default:break; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | static READ8_HANDLER( pv2000_keys_r ) |
| 40 | { |
| 41 | switch(offset){ |
| 42 | default:break; |
| 43 | } |
| 44 | |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | /* Memory Maps */ |
| 50 | |
| 51 | static ADDRESS_MAP_START( pv2000_map, ADDRESS_SPACE_PROGRAM, 8 ) |
| 52 | AM_RANGE(0x0000, 0x3FFF) AM_ROM |
| 53 | |
| 54 | AM_RANGE(0x4000, 0x4000) AM_READWRITE(TMS9928A_vram_r, TMS9928A_vram_w) |
| 55 | AM_RANGE(0x4001, 0x4001) AM_READWRITE(TMS9928A_register_r, TMS9928A_register_w) |
| 56 | |
| 57 | AM_RANGE(0x7000, 0x7FFF) AM_RAM |
| 58 | //AM_RANGE(0x8000, 0xBFFF) ext ram? |
| 59 | AM_RANGE(0xC000, 0xFFFF) AM_ROM //cart |
| 16 | 60 | ADDRESS_MAP_END |
| 17 | 61 | |
| 18 | | static ADDRESS_MAP_START( pv2000_io , ADDRESS_SPACE_IO, 8) |
| 19 | | ADDRESS_MAP_UNMAP_HIGH |
| 62 | |
| 63 | static ADDRESS_MAP_START( pv2000_io_map, ADDRESS_SPACE_IO, 8 ) |
| 64 | ADDRESS_MAP_GLOBAL_MASK(0xff) |
| 65 | |
| 66 | //theres also printer and tape I/O (TODO) |
| 67 | |
| 68 | //keyboard/joystick |
| 69 | //AM_RANGE(0x10, 0x10) AM_READ(pv2000_keys_r) |
| 70 | AM_RANGE(0x20, 0x20) AM_READWRITE(pv2000_keys_r, pv2000_keys_w) |
| 71 | //AM_RANGE(0x40, 0x40) AM_READ(pv2000_keys_r) |
| 72 | |
| 73 | //sn76489a |
| 74 | AM_RANGE(0x40, 0x40) AM_DEVWRITE("sn76489a", sn76496_w) |
| 75 | |
| 20 | 76 | ADDRESS_MAP_END |
| 21 | 77 | |
| 22 | | /* Input ports */ |
| 78 | |
| 23 | 79 | static INPUT_PORTS_START( pv2000 ) |
| 80 | |
| 24 | 81 | INPUT_PORTS_END |
| 25 | 82 | |
| 26 | 83 | |
| 27 | | static MACHINE_RESET(pv2000) |
| 28 | | { |
| 84 | static INTERRUPT_GEN( pv2000_interrupt ) |
| 85 | { |
| 86 | TMS9928A_interrupt(device->machine); |
| 29 | 87 | } |
| 30 | 88 | |
| 31 | | static VIDEO_START( pv2000 ) |
| 89 | static void |
| 32 | 90 | { |
| 91 | // only if it goes up |
| 92 | if (state && !last_state) |
| 93 | cputag_set_input_line(machine, "maincpu", INPUT_LINE_NMI, PULSE_LINE); |
| 94 | |
| 95 | last_state = state; |
| 33 | 96 | } |
| 34 | 97 | |
| 35 | | static VIDEO_UPDATE( pv2000 ) |
| 98 | |
| 99 | |
| 100 | /* Machine Initialization */ |
| 101 | |
| 102 | static const TMS9928a_interface tms9928a_interface = |
| 36 | 103 | { |
| 37 | | return 0; |
| 104 | TMS99x8A, |
| 105 | 0x4000, |
| 106 | 0, 0, |
| 107 | pv2000_vdp_interrupt |
| 108 | }; |
| 109 | |
| 110 | static MACHINE_START( pv2000 ) |
| 111 | { |
| 112 | TMS9928A_configure(&tms9928a_interface); |
| 38 | 113 | } |
| 39 | 114 | |
| 115 | static MACHINE_RESET( pv2000 ) |
| 116 | { |
| 117 | last_state = 0; |
| 118 | cpu_set_input_line_vector(devtag_get_device(machine, "maincpu"), INPUT_LINE_IRQ0, 0xff); |
| 119 | memset(&memory_region(machine, "maincpu")[0x7000], 0xff, 0x1000); // initialize RAM |
| 120 | } |
| 121 | |
| 122 | |
| 123 | /* Machine Drivers */ |
| 124 | |
| 40 | 125 | static MACHINE_DRIVER_START( pv2000 ) |
| 41 | | /* basic machine hardware */ |
| 42 | | MDRV_CPU_ADD("maincpu",Z80, XTAL_4MHz) |
| 43 | | MDRV_CPU_PROGRAM_MAP(pv2000_mem) |
| 44 | | MDRV_CPU_IO_MAP(pv2000_io) |
| 126 | // basic machine hardware |
| 127 | MDRV_CPU_ADD("maincpu", Z80, XTAL_7_15909MHz/2) // 3.579545 MHz |
| 128 | MDRV_CPU_PROGRAM_MAP(pv2000_map) |
| 129 | MDRV_CPU_IO_MAP(pv2000_io_map) |
| 130 | MDRV_CPU_VBLANK_INT("screen", pv2000_interrupt) |
| 45 | 131 | |
| 46 | | MDRV_MACHINE_RESET(pv2000) |
| 47 | | |
| 48 | | /* video hardware */ |
| 49 | | MDRV_SCREEN_ADD("screen", RASTER) |
| 50 | | MDRV_SCREEN_REFRESH_RATE(50) |
| 51 | | MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ |
| 52 | | MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) |
| 53 | | MDRV_SCREEN_SIZE(640, 480) |
| 54 | | MDRV_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) |
| 55 | | MDRV_PALETTE_LENGTH(2) |
| 56 | | MDRV_PALETTE_INIT(black_and_white) |
| 132 | MDRV_MACHINE_START(pv2000) |
| 133 | MDRV_MACHINE_RESET(pv2000) |
| 57 | 134 | |
| 58 | | MDRV_VIDEO_START(pv2000) |
| 59 | | MDRV_VIDEO_UPDATE(pv2000) |
| 135 | // video hardware |
| 136 | MDRV_IMPORT_FROM(tms9928a) |
| 137 | MDRV_SCREEN_MODIFY("screen") |
| 138 | MDRV_SCREEN_REFRESH_RATE((float)XTAL_10_738635MHz/2/342/262) |
| 139 | MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ |
| 140 | |
| 141 | // sound hardware |
| 142 | MDRV_SPEAKER_STANDARD_MONO("mono") |
| 143 | MDRV_SOUND_ADD("sn76489a", SN76489A, XTAL_7_15909MHz/2) /* 3.579545 MHz */ |
| 144 | MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) |
| 145 | |
| 146 | /* cartridge */ |
| 147 | MDRV_CARTSLOT_ADD("cart") |
| 148 | MDRV_CARTSLOT_EXTENSION_LIST("rom,col,bin") |
| 149 | MDRV_CARTSLOT_NOT_MANDATORY |
| 60 | 150 | MACHINE_DRIVER_END |
| 61 | 151 | |
| 62 | | /* ROM definition */ |
| 63 | | ROM_START( pv2000 ) |
| 64 | | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 65 | | ROM_LOAD( "ipl.rom", 0x0000, 0x4000, CRC(78ecfb99) SHA1(cdf54cb713f65fd1197002cc5082eaafe13625aa)) |
| 152 | |
| 153 | |
| 154 | /* ROMs */ |
| 155 | ROM_START (pv2000) |
| 156 | ROM_REGION( 0x10000, "maincpu", 0 ) |
| 157 | ROM_LOAD( "hn613128pc64.bin", 0x0000, 0x4000, CRC(8f31f297) SHA1(94b5f54dd7bce321e377fdaaf592acd3870cf621) ) |
| 158 | ROM_CART_LOAD("cart", 0xC000, 0x4000, ROM_OPTIONAL) |
| 66 | 159 | ROM_END |
| 67 | 160 | |
| 68 | | /* Driver */ |
| 69 | 161 | |
| 70 | | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ |
| 71 | | COMP( ????, pv2000, 0, 0, pv2000, pv2000, 0, "Casio", "PV-2000", GAME_NOT_WORKING | GAME_NO_SOUND) |
| 162 | /* System Drivers */ |
| 72 | 163 | |
| 164 | // YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS |
| 165 | CONS( 1983, pv2000, 0, 0, pv2000, pv2000, 0, "Casio", "PV-2000", GAME_NOT_WORKING ) |