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https://github.com/holub/mame
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nec/pcfx.cpp: pad latches are active high, make pcfxga main menu to be usable
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angelosa
parent
f3d0f10b5b
commit
1e4b7f4bac
@ -1,12 +1,12 @@
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// license:BSD-3-Clause
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// copyright-holders:Wilbert Pol
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/***************************************************************************
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/**************************************************************************************************
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pcfx.cpp
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Driver file to handle emulation of the NEC PC-FX.
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***************************************************************************/
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**************************************************************************************************/
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#include "emu.h"
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@ -22,6 +22,8 @@
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namespace {
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// TODO: should really inherit from a common pcfx_motherboard_device
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// - pcfxga needs to be exposed as a ISA16 and C-Bus boards, it's not a real stand-alone driver.
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class pcfx_state : public driver_device
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{
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public:
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@ -98,16 +100,6 @@ void pcfx_state::extio_w(offs_t offset, uint8_t data)
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io_space.write_byte(offset, data);
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}
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void pcfx_state::pcfx_mem(address_map &map)
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{
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map(0x00000000, 0x001FFFFF).ram(); /* RAM */
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// map(0x80000000, 0x807FFFFF).rw(FUNC(pcfx_state::extio_r), FUNC(pcfx_state::extio_w)); /* EXTIO */
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map(0xE0000000, 0xE7FFFFFF).noprw(); /* BackUp RAM */
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map(0xE8000000, 0xE9FFFFFF).noprw(); /* Extended BackUp RAM */
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map(0xF8000000, 0xF8000007).noprw(); /* PIO */
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map(0xFFF00000, 0xFFFFFFFF).rom().region("ipl", 0); /* ROM */
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}
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uint16_t pcfx_state::pad_r(offs_t offset)
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{
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uint16_t res;
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@ -126,7 +118,6 @@ uint16_t pcfx_state::pad_r(offs_t offset)
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else
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{
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// received data
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//printf("RX %d\n",port_type);
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res = m_pad.latch[port_type] >> (((offset<<1) & 2) ? 16 : 0);
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if(((offset<<1) & 0x02) == 0)
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@ -163,7 +154,7 @@ void pcfx_state::pad_w(offs_t offset, uint16_t data)
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*/
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if(data & 1 && (!(m_pad.ctrl[port_type] & 1)))
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{
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m_pad_timers[port_type]->adjust(attotime::from_usec(1000)); // TODO: time
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m_pad_timers[port_type]->adjust(attotime::from_usec(100)); // TODO: time
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}
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m_pad.ctrl[port_type] = data & 7;
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@ -176,6 +167,16 @@ void pcfx_state::pad_w(offs_t offset, uint16_t data)
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}
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}
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void pcfx_state::pcfx_mem(address_map &map)
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{
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map(0x00000000, 0x001FFFFF).ram(); /* RAM */
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// map(0x80000000, 0x80FFFFFF).rw(FUNC(pcfx_state::extio_r), FUNC(pcfx_state::extio_w)); /* EXTIO */
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// map(0x80700000, 0x807FFFFF).rom().region("scsi_rom", 0); // EXTIO ROM area
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map(0xE0000000, 0xE7FFFFFF).noprw(); /* BackUp RAM */
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map(0xE8000000, 0xE9FFFFFF).noprw(); /* Extended BackUp RAM */
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// map(0xF8000000, 0xF8000007).noprw(); /* PIO, needed by pcfxga for reading backup "RAM" from DOS/V host */
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map(0xFFF00000, 0xFFFFFFFF).rom().region("ipl", 0); /* ROM */
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}
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void pcfx_state::pcfx_io(address_map &map)
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{
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@ -186,12 +187,12 @@ void pcfx_state::pcfx_io(address_map &map)
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map(0x00000400, 0x000004FF).rw("huc6270_a", FUNC(huc6270_device::read), FUNC(huc6270_device::write)).umask32(0x0000ffff); /* HuC6270-A */
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map(0x00000500, 0x000005FF).rw("huc6270_b", FUNC(huc6270_device::read), FUNC(huc6270_device::write)).umask32(0x0000ffff); /* HuC6270-B */
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map(0x00000600, 0x000006FF).rw("huc6272", FUNC(huc6272_device::read), FUNC(huc6272_device::write)); /* HuC6272 */
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map(0x00000C80, 0x00000C83).noprw();
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// map(0x00000C80, 0x00000C83).noprw(); // backup RAM control
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map(0x00000E00, 0x00000EFF).rw(FUNC(pcfx_state::irq_read), FUNC(pcfx_state::irq_write)).umask32(0x0000ffff); /* Interrupt controller */
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map(0x00000F00, 0x00000FFF).noprw();
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// map(0x00600000, 0x006FFFFF).r(FUNC(pcfx_state::scsi_ctrl_r));
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map(0x00780000, 0x007FFFFF).rom().region("scsi_rom", 0);
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map(0x80500000, 0x805000FF).noprw(); /* HuC6273 */
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// map(0x00000F00, 0x00000FFF).noprw(); // Timer
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// map(0x00600000, 0x006FFFFF).r(FUNC(pcfx_state::scsi_ctrl_r)); // SCSI control for EXTIO
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// map(0x00700000, 0x007FFFFF).rom().region("scsi_rom", 0); // EXTIO ROM area
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map(0x80500000, 0x805000FF).noprw(); // pcfxga Kubota/Hudson HuC6273 "Aurora" 3d controller
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}
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@ -201,25 +202,26 @@ static INPUT_PORTS_START( pcfx )
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*/
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PORT_START("P1")
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PORT_BIT( 0xf0000000, IP_ACTIVE_LOW, IPT_UNKNOWN ) // ID pad
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PORT_BIT( 0x00000001, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Button I")
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PORT_BIT( 0x00000002, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Button II")
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PORT_BIT( 0x00000004, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Button III")
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PORT_BIT( 0x00000008, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 Button IV")
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PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 Button V")
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PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Button VI")
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PORT_BIT( 0x00000040, IP_ACTIVE_LOW, IPT_SELECT ) PORT_PLAYER(1) PORT_NAME("P1 Select Button")
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PORT_BIT( 0x00000080, IP_ACTIVE_LOW, IPT_START1 ) PORT_PLAYER(1) PORT_NAME("P1 RUN Button")
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PORT_BIT( 0x00000100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_NAME("P1 Up")
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PORT_BIT( 0x00000200, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_NAME("P1 Right")
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PORT_BIT( 0x00000400, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_NAME("P1 Down")
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PORT_BIT( 0x00000800, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_NAME("P1 Left")
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PORT_BIT( 0x00001000, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Switch 1")
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PORT_BIT( 0x00004000, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_PLAYER(1) PORT_NAME("P1 Switch 2")
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PORT_BIT( 0x0fffa000, IP_ACTIVE_LOW, IPT_UNKNOWN )
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// pcfxga expects latches to go active high on main menu
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PORT_BIT( 0x00000001, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Button I")
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PORT_BIT( 0x00000002, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Button II")
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PORT_BIT( 0x00000004, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Button III")
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PORT_BIT( 0x00000008, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 Button IV")
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PORT_BIT( 0x00000010, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 Button V")
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PORT_BIT( 0x00000020, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Button VI")
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PORT_BIT( 0x00000040, IP_ACTIVE_HIGH, IPT_SELECT ) PORT_PLAYER(1) PORT_NAME("P1 Select Button")
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PORT_BIT( 0x00000080, IP_ACTIVE_HIGH, IPT_START1 ) PORT_PLAYER(1) PORT_NAME("P1 RUN Button")
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PORT_BIT( 0x00000100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_NAME("P1 Up")
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PORT_BIT( 0x00000200, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_NAME("P1 Right")
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PORT_BIT( 0x00000400, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_NAME("P1 Down")
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PORT_BIT( 0x00000800, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_NAME("P1 Left")
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PORT_BIT( 0x00001000, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Switch 1")
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PORT_BIT( 0x00004000, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_PLAYER(1) PORT_NAME("P1 Switch 2")
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PORT_BIT( 0x0fffa000, IP_ACTIVE_HIGH, IPT_UNUSED )
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PORT_START("P2")
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PORT_BIT( 0xf0000000, IP_ACTIVE_HIGH, IPT_UNKNOWN ) // ID unconnect
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PORT_BIT( 0x0fffffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0fffffff, IP_ACTIVE_HIGH, IPT_UNUSED )
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INPUT_PORTS_END
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@ -470,8 +472,12 @@ ROM_START( pcfx )
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ROM_SYSTEM_BIOS( 1, "v101", "BIOS v1.01 - 5 Dec 1994" )
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ROMX_LOAD( "pcfxv101.bin", 0x000000, 0x100000, CRC(236102c9) SHA1(8b662f7548078be52a871565e19511ccca28c5c8), ROM_BIOS(1) )
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ROM_REGION32_LE( 0x80000, "scsi_rom", 0 )
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ROM_REGION32_LE( 0x100000, "scsi_rom", ROMREGION_ERASEFF )
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// TODO: "PC-FX EXTIO Boot", really belongs to FX-SCSI PC-FX expansion board
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// r/w to I/O $600000 SCSI if ROM enabled in both memory and I/O areas,
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// allows PC-FX to act as a CD drive for a PC-98 host ...
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ROM_LOAD( "fx-scsi.rom", 0x00000, 0x80000, CRC(f3e60e5e) SHA1(65482a23ac5c10a6095aee1db5824cca54ead6e5) )
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ROM_RELOAD( 0x80000, 0x80000 )
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ROM_END
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@ -479,7 +485,7 @@ ROM_START( pcfxga )
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ROM_REGION32_LE( 0x100000, "ipl", 0 )
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ROM_LOAD( "pcfxga.rom", 0x000000, 0x100000, CRC(41c3776b) SHA1(a9372202a5db302064c994fcda9b24d29bb1b41c) )
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ROM_REGION32_LE( 0x80000, "scsi_rom", ROMREGION_ERASEFF )
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ROM_REGION32_LE( 0x100000, "scsi_rom", ROMREGION_ERASEFF )
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ROM_END
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} // Anonymous namespace
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