src/mess/drivers/ms0515.c
| r0 | r15768 | |
|---|
| 1 | /*************************************************************************** |
| 2 | |
| 3 | Elektronika MS-0515 |
| 4 | |
| 5 | 06/08/2012 Skeleton driver. |
| 6 | |
| 7 | ****************************************************************************/ |
| 8 | |
| 9 | #include "emu.h" |
| 10 | #include "cpu/t11/t11.h" |
| 11 | #include "machine/wd17xx.h" |
| 12 | #include "imagedev/flopdrv.h" |
| 13 | #include "formats/basicdsk.h" |
| 14 | #include "machine/ram.h" |
| 15 | |
| 16 | class ms0515_state : public driver_device |
| 17 | { |
| 18 | public: |
| 19 | ms0515_state(const machine_config &mconfig, device_type type, const char *tag) |
| 20 | : driver_device(mconfig, type, tag), |
| 21 | m_maincpu(*this, "maincpu") |
| 22 | { } |
| 23 | |
| 24 | required_device<cpu_device> m_maincpu; |
| 25 | |
| 26 | DECLARE_WRITE16_MEMBER(ms0515_bank_w); |
| 27 | virtual void machine_reset(); |
| 28 | |
| 29 | UINT8 *m_video_ram; |
| 30 | }; |
| 31 | |
| 32 | static ADDRESS_MAP_START(ms0515_mem, AS_PROGRAM, 16, ms0515_state) |
| 33 | ADDRESS_MAP_UNMAP_HIGH |
| 34 | AM_RANGE(0000000, 0037777) AM_RAMBANK("bank0") // RAM |
| 35 | AM_RANGE(0040000, 0077777) AM_RAMBANK("bank1") // RAM |
| 36 | AM_RANGE(0100000, 0137777) AM_RAMBANK("bank2") // RAM |
| 37 | AM_RANGE(0140000, 0157777) AM_RAMBANK("bank3") // RAM |
| 38 | AM_RANGE(0160000, 0177377) AM_ROM |
| 39 | |
| 40 | AM_RANGE(0177400, 0177437) AM_WRITE(ms0515_bank_w) // Register for RAM expansion |
| 41 | |
| 42 | //AM_RANGE(0177440, 0177441) // read data |
| 43 | //AM_RANGE(0177460, 0177461) // write data Elektronika MS-7004 Keyboard |
| 44 | //AM_RANGE(0177442, 0177443) // read |
| 45 | //AM_RANGE(0177462, 0177463) // write |
| 46 | |
| 47 | //AM_RANGE(0177500, 0177501) |
| 48 | //AM_RANGE(0177502, 0177503) |
| 49 | //AM_RANGE(0177504, 0177505) // i8253 |
| 50 | //AM_RANGE(0177506, 0177507) |
| 51 | |
| 52 | //AM_RANGE(0177540, 0177541) |
| 53 | //AM_RANGE(0177542, 0177543) |
| 54 | //AM_RANGE(0177544, 0177545) // i8255 for MS-7007 Keyboard |
| 55 | //AM_RANGE(0177546, 0177547) |
| 56 | |
| 57 | //AM_RANGE(0177600, 0177601) |
| 58 | //AM_RANGE(0177602, 0177603) |
| 59 | //AM_RANGE(0177604, 0177605) // i8255 for parallel port |
| 60 | //AM_RANGE(0177606, 0177607) |
| 61 | |
| 62 | AM_RANGE(0177640, 0177641) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_status_r, wd17xx_command_w,0x00ff) |
| 63 | AM_RANGE(0177642, 0177643) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_track_r, wd17xx_track_w,0x00ff) |
| 64 | AM_RANGE(0177644, 0177645) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_sector_r, wd17xx_sector_w,0x00ff) |
| 65 | AM_RANGE(0177646, 0177647) AM_DEVREADWRITE8_LEGACY("vg93", wd17xx_data_r, wd17xx_data_w,0x00ff) |
| 66 | |
| 67 | //AM_RANGE(0177700, 0177701) // read data |
| 68 | //AM_RANGE(0177720, 0177721) // write data // protocol S2 |
| 69 | //AM_RANGE(0177702, 0177703) // read status |
| 70 | //AM_RANGE(0177722, 0177723) // write control |
| 71 | |
| 72 | //AM_RANGE(0177770, 0177771) // read/write |
| 73 | ADDRESS_MAP_END |
| 74 | |
| 75 | WRITE16_MEMBER(ms0515_state::ms0515_bank_w) |
| 76 | { |
| 77 | switch((data >> 10) % 3) |
| 78 | { |
| 79 | case 0: // 000000 - 037777 |
| 80 | break; |
| 81 | case 1: // 040000 - 077777 |
| 82 | break; |
| 83 | case 2: |
| 84 | case 3: // 100000 - 137777 |
| 85 | break; |
| 86 | } |
| 87 | |
| 88 | printf("bank[%d] %02x video %d\n",((data >> 10) % 3),data & 0x7f, BIT(data,7)); |
| 89 | } |
| 90 | |
| 91 | void ms0515_state::machine_reset() |
| 92 | { |
| 93 | UINT8 *ram = machine().device<ram_device>(RAM_TAG)->pointer(); |
| 94 | membank("bank0")->set_base(ram + 0000000); |
| 95 | membank("bank1")->set_base(ram + 0040000); |
| 96 | membank("bank2")->set_base(ram + 0100000); |
| 97 | membank("bank3")->set_base(ram + 0140000); |
| 98 | |
| 99 | m_video_ram = ram + 0040000; |
| 100 | } |
| 101 | /* Input ports */ |
| 102 | static INPUT_PORTS_START( ms0515 ) |
| 103 | INPUT_PORTS_END |
| 104 | |
| 105 | static const struct t11_setup ms0515_data = |
| 106 | { |
| 107 | 0xf2ff |
| 108 | }; |
| 109 | |
| 110 | static const wd17xx_interface ms0515_wd17xx_interface = |
| 111 | { |
| 112 | DEVCB_LINE_VCC, |
| 113 | DEVCB_NULL, |
| 114 | DEVCB_NULL, |
| 115 | { FLOPPY_0, NULL, NULL, NULL } |
| 116 | }; |
| 117 | |
| 118 | |
| 119 | static LEGACY_FLOPPY_OPTIONS_START(ms0515) |
| 120 | LEGACY_FLOPPY_OPTION(ms0515, "dz", "MS0515 disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, |
| 121 | HEADS([1]) |
| 122 | TRACKS([80]) |
| 123 | SECTORS([10]) |
| 124 | SECTOR_LENGTH([512]) |
| 125 | FIRST_SECTOR_ID([0])) |
| 126 | LEGACY_FLOPPY_OPTIONS_END |
| 127 | |
| 128 | static const floppy_interface ms0515_floppy_interface = |
| 129 | { |
| 130 | DEVCB_NULL, |
| 131 | DEVCB_NULL, |
| 132 | DEVCB_NULL, |
| 133 | DEVCB_NULL, |
| 134 | DEVCB_NULL, |
| 135 | FLOPPY_STANDARD_5_25_DSHD, |
| 136 | LEGACY_FLOPPY_OPTIONS_NAME(ms0515), |
| 137 | NULL, |
| 138 | NULL |
| 139 | }; |
| 140 | |
| 141 | static SCREEN_UPDATE_IND16( ms0515 ) |
| 142 | { |
| 143 | ms0515_state *state = screen.machine().driver_data<ms0515_state>(); |
| 144 | UINT8 code; |
| 145 | int y, x, b; |
| 146 | |
| 147 | int addr = 0; |
| 148 | for (y = 0; y < 200; y++) |
| 149 | { |
| 150 | int horpos = 0; |
| 151 | for (x = 0; x < 40; x++) |
| 152 | { |
| 153 | code = state->m_video_ram[addr]; addr+=2; |
| 154 | for (b = 0; b < 8; b++) |
| 155 | { |
| 156 | // In lower res mode we will just double pixels |
| 157 | bitmap.pix16(y, horpos++) = (code >> (7-b)) & 0x01; |
| 158 | bitmap.pix16(y, horpos++) = (code >> (7-b)) & 0x01; |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | static MACHINE_CONFIG_START( ms0515, ms0515_state ) |
| 166 | /* basic machine hardware */ |
| 167 | MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz) // Need proper CPU here |
| 168 | MCFG_CPU_CONFIG(ms0515_data) |
| 169 | MCFG_CPU_PROGRAM_MAP(ms0515_mem) |
| 170 | |
| 171 | MCFG_FD1793_ADD( "vg93", ms0515_wd17xx_interface ) |
| 172 | |
| 173 | MCFG_LEGACY_FLOPPY_DRIVE_ADD(FLOPPY_0, ms0515_floppy_interface) |
| 174 | |
| 175 | /* video hardware */ |
| 176 | MCFG_SCREEN_ADD("screen", RASTER) |
| 177 | MCFG_SCREEN_REFRESH_RATE(50) |
| 178 | MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ |
| 179 | MCFG_SCREEN_SIZE(640, 200) |
| 180 | MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 200-1) |
| 181 | MCFG_SCREEN_UPDATE_STATIC(ms0515) |
| 182 | |
| 183 | MCFG_PALETTE_LENGTH(2) |
| 184 | MCFG_PALETTE_INIT(black_and_white) |
| 185 | |
| 186 | /* internal ram */ |
| 187 | MCFG_RAM_ADD(RAM_TAG) |
| 188 | MCFG_RAM_DEFAULT_SIZE("128K") |
| 189 | MACHINE_CONFIG_END |
| 190 | |
| 191 | /* ROM definition */ |
| 192 | ROM_START( ms0515 ) |
| 193 | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 194 | ROM_LOAD16_BYTE( "7004l.bin", 0xc000, 0x2000, CRC(b08b3b73) SHA1(c12fd4672598cdf499656dcbb4118d787769d589)) |
| 195 | ROM_LOAD16_BYTE( "7004h.bin", 0xc001, 0x2000, CRC(515dcf99) SHA1(edd34300fd642c89ce321321e1b12493cd16b7a5)) |
| 196 | ROM_END |
| 197 | |
| 198 | /* Driver */ |
| 199 | |
| 200 | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ |
| 201 | COMP( ????, ms0515, 0, 0, ms0515, ms0515, ms0515_state, 0, "Elektronika", "MS-0515", GAME_NOT_WORKING | GAME_NO_SOUND) |
| 202 | |