trunk/src/mess/drivers/itt3030.c
| r26532 | r26533 | |
|---|
| 208 | 208 | itt3030_state(const machine_config &mconfig, device_type type, const char *tag) |
| 209 | 209 | : driver_device(mconfig, type, tag) |
| 210 | 210 | , m_maincpu(*this, "maincpu") |
| 211 | , m_kbdmcu(*this, "kbdmcu") |
| 211 | 212 | , m_ram(*this, "mainram") |
| 212 | 213 | , m_crtc(*this, "crt5027") |
| 213 | 214 | , m_48kbank(*this, "lowerbank") |
| r26532 | r26533 | |
|---|
| 220 | 221 | |
| 221 | 222 | // devices |
| 222 | 223 | required_device<cpu_device> m_maincpu; |
| 224 | required_device<i8041_device> m_kbdmcu; |
| 223 | 225 | required_device<ram_device> m_ram; |
| 224 | 226 | required_device<crt5027_device> m_crtc; |
| 225 | 227 | required_device<address_map_bank_device> m_48kbank; |
| r26532 | r26533 | |
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| 250 | 252 | DECLARE_WRITE8_MEMBER(bankl_w); |
| 251 | 253 | DECLARE_READ8_MEMBER(bankh_r); |
| 252 | 254 | DECLARE_WRITE8_MEMBER(bankh_w); |
| 255 | DECLARE_READ8_MEMBER(kbd_fifo_r); |
| 256 | DECLARE_READ8_MEMBER(kbd_matrix_r); |
| 257 | DECLARE_WRITE8_MEMBER(kbd_matrix_w); |
| 253 | 258 | DECLARE_FLOPPY_FORMATS(itt3030_floppy_formats); |
| 254 | 259 | private: |
| 255 | 260 | UINT8 m_unk; |
| 256 | 261 | UINT8 m_bank; |
| 262 | UINT8 m_kbdrow, m_kbdcol, m_kbdclk; |
| 257 | 263 | floppy_image_device *m_floppy; |
| 258 | 264 | }; |
| 259 | 265 | |
| r26532 | r26533 | |
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| 357 | 363 | AM_RANGE(0x31, 0x31) AM_READ(unk2_r) |
| 358 | 364 | AM_RANGE(0x32, 0x32) AM_WRITE(beep_w) |
| 359 | 365 | AM_RANGE(0x35, 0x35) AM_READ(vsync_r) |
| 366 | AM_RANGE(0x40, 0x40) AM_READ(kbd_fifo_r) |
| 360 | 367 | AM_RANGE(0x50, 0x55) AM_DEVREADWRITE("fdc", fd1791_t, read, write) |
| 361 | 368 | AM_RANGE(0xf6, 0xf6) AM_WRITE(bank_w) |
| 362 | 369 | ADDRESS_MAP_END |
| 363 | 370 | |
| 371 | READ8_MEMBER(itt3030_state::kbd_fifo_r) |
| 372 | { |
| 373 | return m_kbdmcu->upi41_master_r(space, 0); // offset 0 is data, 1 is status |
| 374 | } |
| 375 | |
| 376 | READ8_MEMBER(itt3030_state::kbd_matrix_r) |
| 377 | { |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | WRITE8_MEMBER(itt3030_state::kbd_matrix_w) |
| 382 | { |
| 383 | m_kbdrow = data & 0xf; |
| 384 | m_kbdcol = (data >> 4) & 0x7; |
| 385 | m_kbdclk = (data & 0x80) ? 1 : 0; |
| 386 | } |
| 387 | |
| 388 | // Schematics say: |
| 389 | // Port 1 goes to the keyboard matrix. |
| 390 | // bits 0-3 select matrix rows, bits 4-6 choose column to read, bit 7 clocks the process (rising edge strobes the row, falling edge reads the data) |
| 391 | // T0 is the key matrix return |
| 392 | // Port 2 bit 2 is IRQ (in or out?) |
| 393 | static ADDRESS_MAP_START( kbdmcu_io, AS_IO, 8, itt3030_state ) |
| 394 | AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(kbd_matrix_r) |
| 395 | AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(kbd_matrix_w) |
| 396 | ADDRESS_MAP_END |
| 397 | |
| 364 | 398 | static INPUT_PORTS_START( itt3030 ) |
| 365 | 399 | INPUT_PORTS_END |
| 366 | 400 | |
| r26532 | r26533 | |
|---|
| 414 | 448 | MCFG_CPU_PROGRAM_MAP(itt3030_map) |
| 415 | 449 | MCFG_CPU_IO_MAP(itt3030_io) |
| 416 | 450 | |
| 451 | MCFG_CPU_ADD("kbdmcu", I8041, XTAL_6MHz) |
| 452 | MCFG_CPU_IO_MAP(kbdmcu_io) |
| 453 | |
| 417 | 454 | /* video hardware */ |
| 418 | 455 | MCFG_SCREEN_ADD("screen", RASTER) |
| 419 | 456 | MCFG_SCREEN_REFRESH_RATE(60) |
| r26532 | r26533 | |
|---|
| 463 | 500 | ROM_LOAD( "bootv1.2.bin", 0x0000, 0x0800, CRC(90279d45) SHA1(a39a3f31f4f98980b1ef50805870837fbf72261d)) |
| 464 | 501 | ROM_REGION( 0x0800, "gfx1", ROMREGION_ERASE00 ) |
| 465 | 502 | ROM_LOAD( "gb136-0.bin", 0x0000, 0x0800, CRC(6a3895a8) SHA1(f3b977ffa2f54c346521c9ef034830de8f404621)) |
| 466 | | ROM_REGION( 0x0400, "gfxcpu", ROMREGION_ERASE00 ) |
| 503 | ROM_REGION( 0x0400, "kbdmcu", ROMREGION_ERASE00 ) |
| 467 | 504 | ROM_LOAD( "8741ad.bin", 0x0000, 0x0400, CRC(cabf4394) SHA1(e5d1416b568efa32b578ca295a29b7b5d20c0def)) |
| 468 | 505 | ROM_END |
| 469 | 506 | |
| 470 | 507 | GAME( 1982, itt3030, 0, itt3030, itt3030, driver_device, 0, ROT0, "ITT RFA", "ITT3030", GAME_NOT_WORKING | GAME_NO_SOUND ) |
| 508 | |