trunk/src/mame/drivers/missile.c
| r20503 | r20504 | |
|---|
| 358 | 358 | missile_state(const machine_config &mconfig, device_type type, const char *tag) |
| 359 | 359 | : driver_device(mconfig, type, tag), |
| 360 | 360 | m_maincpu(*this,"maincpu"), |
| 361 | | m_videoram(*this, "videoram") |
| 361 | m_videoram(*this, "videoram"), |
| 362 | m_pokey(*this, "pokey"), |
| 363 | m_in0(*this, "IN0"), |
| 364 | m_in1(*this, "IN1"), |
| 365 | m_r10(*this, "R10"), |
| 366 | m_r8(*this, "R8"), |
| 367 | m_track0_x(*this, "TRACK0_X"), |
| 368 | m_track0_y(*this, "TRACK0_Y"), |
| 369 | m_track1_x(*this, "TRACK1_X"), |
| 370 | m_track1_y(*this, "TRACK1_Y") |
| 362 | 371 | { } |
| 363 | 372 | |
| 364 | 373 | required_device<m6502_device> m_maincpu; |
| 365 | 374 | required_shared_ptr<UINT8> m_videoram; |
| 375 | required_device<pokey_device> m_pokey; |
| 376 | required_ioport m_in0; |
| 377 | required_ioport m_in1; |
| 378 | required_ioport m_r10; |
| 379 | required_ioport m_r8; |
| 380 | required_ioport m_track0_x; |
| 381 | required_ioport m_track0_y; |
| 382 | required_ioport m_track1_x; |
| 383 | required_ioport m_track1_y; |
| 366 | 384 | |
| 385 | const UINT8 *m_mainrom; |
| 367 | 386 | const UINT8 *m_writeprom; |
| 368 | 387 | emu_timer *m_irq_timer; |
| 369 | 388 | emu_timer *m_cpu_timer; |
| r20503 | r20504 | |
|---|
| 494 | 513 | void missile_state::machine_start() |
| 495 | 514 | { |
| 496 | 515 | /* initialize globals */ |
| 516 | m_mainrom = memregion("maincpu")->base(); |
| 497 | 517 | m_writeprom = memregion("proms")->base(); |
| 498 | 518 | m_flipscreen = 0; |
| 499 | 519 | |
| r20503 | r20504 | |
|---|
| 696 | 716 | /* POKEY */ |
| 697 | 717 | else if (offset < 0x4800) |
| 698 | 718 | { |
| 699 | | pokey_device *pokey_dev = downcast<pokey_device *>(machine().device("pokey")); |
| 700 | | pokey_dev->write(machine().firstcpu->space(), offset, data, 0xff); |
| 719 | m_pokey->write(m_maincpu->space(), offset, data, 0xff); |
| 701 | 720 | } |
| 702 | 721 | |
| 703 | 722 | /* OUT0 */ |
| r20503 | r20504 | |
|---|
| 754 | 773 | |
| 755 | 774 | /* ROM */ |
| 756 | 775 | else if (offset >= 0x5000) |
| 757 | | result = memregion("maincpu")->base()[offset]; |
| 776 | result = m_mainrom[offset]; |
| 758 | 777 | |
| 759 | 778 | /* POKEY */ |
| 760 | 779 | else if (offset < 0x4800) |
| 761 | | { |
| 762 | | pokey_device *pokey_dev = downcast<pokey_device *>(machine().device("pokey")); |
| 763 | | result = pokey_dev->read(machine().firstcpu->space(), offset & 0x0f, 0xff); |
| 764 | | } |
| 780 | result = m_pokey->read(m_maincpu->space(), offset & 0x0f, 0xff); |
| 765 | 781 | |
| 766 | 782 | /* IN0 */ |
| 767 | 783 | else if (offset < 0x4900) |
| r20503 | r20504 | |
|---|
| 769 | 785 | if (m_ctrld) /* trackball */ |
| 770 | 786 | { |
| 771 | 787 | if (!m_flipscreen) |
| 772 | | result = ((ioport("TRACK0_Y")->read() << 4) & 0xf0) | (ioport("TRACK0_X")->read() & 0x0f); |
| 788 | result = ((m_track0_y->read() << 4) & 0xf0) | (m_track0_x->read() & 0x0f); |
| 773 | 789 | else |
| 774 | | result = ((ioport("TRACK1_Y")->read() << 4) & 0xf0) | (ioport("TRACK1_X")->read() & 0x0f); |
| 790 | result = ((m_track1_y->read() << 4) & 0xf0) | (m_track1_x->read() & 0x0f); |
| 775 | 791 | } |
| 776 | 792 | else /* buttons */ |
| 777 | | result = ioport("IN0")->read(); |
| 793 | result = m_in0->read(); |
| 778 | 794 | } |
| 779 | 795 | |
| 780 | 796 | /* IN1 */ |
| 781 | 797 | else if (offset < 0x4a00) |
| 782 | | result = ioport("IN1")->read(); |
| 798 | result = m_in1->read(); |
| 783 | 799 | |
| 784 | 800 | /* IN2 */ |
| 785 | 801 | else if (offset < 0x4b00) |
| 786 | | result = ioport("R10")->read(); |
| 802 | result = m_r10->read(); |
| 787 | 803 | |
| 788 | 804 | /* anything else */ |
| 789 | 805 | else |