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Diffstat (limited to 'src/mess/drivers/pcfx.c')
-rw-r--r--src/mess/drivers/pcfx.c531
1 files changed, 0 insertions, 531 deletions
diff --git a/src/mess/drivers/pcfx.c b/src/mess/drivers/pcfx.c
deleted file mode 100644
index d2faa292087..00000000000
--- a/src/mess/drivers/pcfx.c
+++ /dev/null
@@ -1,531 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Wilbert Pol
-/***************************************************************************
-
- pcfx.c
-
- Driver file to handle emulation of the NEC PC-FX.
-
-***************************************************************************/
-
-
-#include "emu.h"
-#include "cpu/v810/v810.h"
-#include "video/huc6261.h"
-#include "video/huc6270.h"
-#include "video/huc6272.h"
-
-struct pcfx_pad_t
-{
- UINT8 ctrl[2];
- UINT8 status[2];
- UINT32 latch[2];
-};
-
-class pcfx_state : public driver_device
-{
-public:
- enum
- {
- TIMER_PAD_FUNC
- };
-
- pcfx_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_huc6261(*this, "huc6261") { }
-
- required_device<cpu_device> m_maincpu;
- required_device<huc6261_device> m_huc6261;
-
- virtual void machine_reset();
-
- UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
-
- // Interrupt controller (component unknown)
- UINT16 m_irq_mask;
- UINT16 m_irq_pending;
- UINT8 m_irq_priority[8];
-
- pcfx_pad_t m_pad;
-
- DECLARE_READ16_MEMBER( irq_read );
- DECLARE_WRITE16_MEMBER( irq_write );
- DECLARE_READ16_MEMBER( pad_r );
- DECLARE_WRITE16_MEMBER( pad_w );
- DECLARE_READ8_MEMBER( extio_r );
- DECLARE_WRITE8_MEMBER( extio_w );
-
- inline void check_irqs();
- inline void set_irq_line(int line, int state);
- DECLARE_WRITE_LINE_MEMBER( irq8_w );
- DECLARE_WRITE_LINE_MEMBER( irq9_w );
- DECLARE_WRITE_LINE_MEMBER( irq10_w );
- DECLARE_WRITE_LINE_MEMBER( irq11_w );
- DECLARE_WRITE_LINE_MEMBER( irq12_w );
- DECLARE_WRITE_LINE_MEMBER( irq13_w );
- DECLARE_WRITE_LINE_MEMBER( irq14_w );
- DECLARE_WRITE_LINE_MEMBER( irq15_w );
- TIMER_CALLBACK_MEMBER(pad_func);
-
-protected:
- virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
-};
-
-
-READ8_MEMBER(pcfx_state::extio_r)
-{
- address_space &io_space = m_maincpu->space(AS_IO);
-
- return io_space.read_byte(offset);
-}
-
-WRITE8_MEMBER(pcfx_state::extio_w)
-{
- address_space &io_space = m_maincpu->space(AS_IO);
-
- io_space.write_byte(offset, data);
-}
-
-static ADDRESS_MAP_START( pcfx_mem, AS_PROGRAM, 32, pcfx_state )
- AM_RANGE( 0x00000000, 0x001FFFFF ) AM_RAM /* RAM */
-// AM_RANGE( 0x80000000, 0x807FFFFF ) AM_READWRITE8(extio_r,extio_w,0xffffffff) /* EXTIO */
- AM_RANGE( 0xE0000000, 0xE7FFFFFF ) AM_NOP /* BackUp RAM */
- AM_RANGE( 0xE8000000, 0xE9FFFFFF ) AM_NOP /* Extended BackUp RAM */
- AM_RANGE( 0xF8000000, 0xF8000007 ) AM_NOP /* PIO */
- AM_RANGE( 0xFFF00000, 0xFFFFFFFF ) AM_ROMBANK("bank1") /* ROM */
-ADDRESS_MAP_END
-
-READ16_MEMBER( pcfx_state::pad_r )
-{
- UINT16 res;
- UINT8 port_type = ((offset<<1) & 0x80) >> 7;
-
- if(((offset<<1) & 0x40) == 0)
- {
- // status
- /*
- ---- x---
- ---- ---x incoming data state (0=available)
- */
- res = m_pad.status[port_type];
- //printf("STATUS %d\n",port_type);
- }
- else
- {
- // received data
- //printf("RX %d\n",port_type);
- res = m_pad.latch[port_type] >> (((offset<<1) & 2) ? 16 : 0);
-
- if(((offset<<1) & 0x02) == 0)
- {
- m_pad.status[port_type] &= ~8; // clear latch on LSB read according to docs
- set_irq_line(11, 0);
- }
- }
-
- return res;
-}
-
-void pcfx_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- switch (id)
- {
- case TIMER_PAD_FUNC:
- pad_func(ptr, param);
- break;
- default:
- assert_always(FALSE, "Unknown id in pcfx_state::device_timer");
- }
-}
-
-TIMER_CALLBACK_MEMBER(pcfx_state::pad_func)
-{
- const char *const padnames[] = { "P1", "P2" };
-
- m_pad.latch[param] = ioport(padnames[param])->read();
- m_pad.status[param] |= 8;
- m_pad.ctrl[param] &= ~1; // ack TX line
- // TODO: pad IRQ
- set_irq_line(11, 1);
-}
-
-WRITE16_MEMBER( pcfx_state::pad_w )
-{
- UINT8 port_type = ((offset<<1) & 0x80) >> 7;
-
- if(((offset<<1) & 0x40) == 0)
- {
- // control
- /*
- ---- -x-- receiver enable
- ---- --x- enable multi-tap
- ---- ---x enable send (0->1 transition)
- */
- if(data & 1 && (!(m_pad.ctrl[port_type] & 1)))
- {
- timer_set(attotime::from_msec(1), TIMER_PAD_FUNC, port_type); // TODO: time
- }
-
- m_pad.ctrl[port_type] = data & 7;
- //printf("%04x CONTROL %d\n",data,port_type);
- }
- else
- {
- // transmitted data
- //printf("%04x TX %d\n",data,port_type);
- }
-}
-
-
-static ADDRESS_MAP_START( pcfx_io, AS_IO, 32, pcfx_state )
- AM_RANGE( 0x00000000, 0x000000FF ) AM_READWRITE16(pad_r, pad_w, 0xffffffff) /* PAD */
- AM_RANGE( 0x00000100, 0x000001FF ) AM_NOP /* HuC6230 */
- AM_RANGE( 0x00000200, 0x000002FF ) AM_NOP /* HuC6271 */
- AM_RANGE( 0x00000300, 0x000003FF ) AM_DEVREADWRITE16( "huc6261", huc6261_device, read, write, 0xffff ) /* HuC6261 */
- AM_RANGE( 0x00000400, 0x000004FF ) AM_DEVREADWRITE8( "huc6270_a", huc6270_device, read, write, 0xffff ) /* HuC6270-A */
- AM_RANGE( 0x00000500, 0x000005FF ) AM_DEVREADWRITE8( "huc6270_b", huc6270_device, read, write, 0xffff ) /* HuC6270-B */
- AM_RANGE( 0x00000600, 0x000006FF ) AM_DEVREADWRITE( "huc6272", huc6272_device, read, write ) /* HuC6272 */
- AM_RANGE( 0x00000C80, 0x00000C83 ) AM_NOP
- AM_RANGE( 0x00000E00, 0x00000EFF ) AM_READWRITE16( irq_read, irq_write, 0xffff ) /* Interrupt controller */
- AM_RANGE( 0x00000F00, 0x00000FFF ) AM_NOP
-// AM_RANGE( 0x00600000, 0x006FFFFF ) AM_READ(scsi_ctrl_r)
- AM_RANGE( 0x00780000, 0x007FFFFF ) AM_ROM AM_REGION("scsi_rom", 0 )
- AM_RANGE( 0x80500000, 0x805000FF ) AM_NOP /* HuC6273 */
-ADDRESS_MAP_END
-
-
-static INPUT_PORTS_START( pcfx )
- /*
- xxxx ---- ---- ---- ID (0xf = 6 button pad, 0xe = tap, 0xd = ?)
- */
- PORT_START("P1")
- PORT_BIT( 0xf0000000, IP_ACTIVE_LOW, IPT_UNKNOWN ) // ID
- PORT_DIPNAME( 0x01000000, 0x01000000, "1" )
- PORT_DIPSETTING( 0x01000000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x02000000, 0x02000000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x02000000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x04000000, 0x04000000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x04000000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x08000000, 0x08000000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x08000000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x010000, 0x010000, "2" )
- PORT_DIPSETTING( 0x010000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x020000, 0x020000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x020000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x040000, 0x040000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x040000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x080000, 0x080000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x080000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x100000, 0x100000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x100000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x200000, 0x200000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x200000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x400000, 0x400000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x400000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x800000, 0x800000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x800000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x000000, DEF_STR( On ) )
- PORT_DIPNAME( 0x0100, 0x0100, "3" )
- PORT_DIPSETTING( 0x0100, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) ) // *
- PORT_DIPSETTING( 0x0200, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) // *
- PORT_DIPSETTING( 0x0400, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x0800, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x1000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x2000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x4000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x8000, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
- PORT_BIT( 0x00000080, IP_ACTIVE_LOW, IPT_START1 ) PORT_PLAYER(1) PORT_NAME("RUN button")
- PORT_DIPNAME( 0x01, 0x01, "4" )
- PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
- PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
- PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
- PORT_DIPSETTING( 0x00, DEF_STR( On ) )
-
- PORT_START("P2")
- PORT_BIT( 0xf0000000, IP_ACTIVE_LOW, IPT_UNKNOWN )
- PORT_BIT( 0x0fffffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
-INPUT_PORTS_END
-
-
-READ16_MEMBER( pcfx_state::irq_read )
-{
- UINT16 data = 0;
-
- switch( offset )
- {
- // Interrupts pending
- // Same bit order as mask
- case 0x00/4:
- data = m_irq_pending;
- break;
-
- // Interrupt mask
- case 0x40/4:
- data = m_irq_mask;
- break;
-
- // Interrupt priority 0
- case 0x80/4:
- data = m_irq_priority[4] | ( m_irq_priority[5] << 3 ) | ( m_irq_priority[6] << 6 ) | ( m_irq_priority[7] << 9 );
- break;
-
- // Interrupt priority 1
- case 0xC0/4:
- data = m_irq_priority[0] | ( m_irq_priority[1] << 3 ) | ( m_irq_priority[2] << 6 ) | ( m_irq_priority[3] << 9 );
- break;
- }
-
- return data;
-}
-
-
-WRITE16_MEMBER( pcfx_state::irq_write )
-{
- switch( offset )
- {
- // Interrupts pending
- case 0x00/4:
- logerror("irq_write: Attempt to write to irq pending register\n");
- break;
-
- // Interrupt mask
- // --------x------- Mask interrupt level 8 (Unknown)
- // ---------x------ Mask interrupt level 9 (Timer)
- // ----------x----- Mask interrupt level 10 (Unknown)
- // -----------x---- Mask interrupt level 11 (Pad)
- // ------------x--- Mask interrupt level 12 (HuC6270-A)
- // -------------x-- Mask interrupt level 13 (HuC6272)
- // --------------x- Mask interrupt level 14 (HuC6270-B)
- // ---------------x Mask interrupt level 15 (HuC6273)
- // 0 - allow, 1 - ignore interrupt
- case 0x40/4:
- m_irq_mask = data;
- check_irqs();
- break;
-
- // Interrupt priority 0
- // ----xxx--------- Priority level interrupt 12
- // -------xxx------ Priority level interrupt 13
- // ----------xxx--- Priority level interrupt 14
- // -------------xxx Priority level interrupt 15
- case 0x80/4:
- m_irq_priority[7] = ( data >> 0 ) & 0x07;
- m_irq_priority[6] = ( data >> 3 ) & 0x07;
- m_irq_priority[5] = ( data >> 6 ) & 0x07;
- m_irq_priority[4] = ( data >> 9 ) & 0x07;
- check_irqs();
- break;
-
- // Interrupt priority 1
- // ----xxx--------- Priority level interrupt 8
- // -------xxx------ Priority level interrupt 9
- // ----------xxx--- Priority level interrupt 10
- // -------------xxx Priority level interrupt 11
- case 0xC0/4:
- m_irq_priority[3] = ( data >> 0 ) & 0x07;
- m_irq_priority[2] = ( data >> 3 ) & 0x07;
- m_irq_priority[1] = ( data >> 6 ) & 0x07;
- m_irq_priority[0] = ( data >> 9 ) & 0x07;
- check_irqs();
- break;
- }
-}
-
-
-inline void pcfx_state::check_irqs()
-{
- UINT16 active_irqs = m_irq_pending & ~m_irq_mask;
- int highest_prio = -1;
-
- for ( int i = 0; i < 8; i++ )
- {
- if ( active_irqs & 0x80 )
- {
- if ( m_irq_priority[i] >= highest_prio )
- {
- highest_prio = m_irq_priority[i];
- }
- }
- active_irqs <<= 1;
- }
-
- if ( highest_prio >= 0 )
- {
- m_maincpu->set_input_line(8 + highest_prio, ASSERT_LINE );
- }
- else
- {
- m_maincpu->set_input_line(0, CLEAR_LINE );
- }
-}
-
-
-inline void pcfx_state::set_irq_line(int line, int state)
-{
- if ( state )
- {
-//printf("Setting irq line %d\n", line);
- m_irq_pending |= ( 1 << ( 15 - line ) );
- }
- else
- {
-//printf("Clearing irq line %d\n", line);
- m_irq_pending &= ~( 1 << ( 15 - line ) );
- }
- check_irqs();
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq8_w )
-{
- set_irq_line(8, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq9_w )
-{
- set_irq_line(9, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq10_w )
-{
- set_irq_line(10, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq11_w )
-{
- set_irq_line(11, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq12_w )
-{
- set_irq_line(12, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq13_w )
-{
- set_irq_line(13, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq14_w )
-{
- set_irq_line(14, state);
-}
-
-WRITE_LINE_MEMBER( pcfx_state::irq15_w )
-{
- set_irq_line(15, state);
-}
-
-
-void pcfx_state::machine_reset()
-{
- membank( "bank1" )->set_base( memregion("user1")->base() );
-
- m_irq_mask = 0xFF;
- m_irq_pending = 0;
-}
-
-
-UINT32 pcfx_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
-{
- m_huc6261->video_update( bitmap, cliprect );
- return 0;
-}
-
-
-static MACHINE_CONFIG_START( pcfx, pcfx_state )
- MCFG_CPU_ADD( "maincpu", V810, XTAL_21_4772MHz )
- MCFG_CPU_PROGRAM_MAP( pcfx_mem)
- MCFG_CPU_IO_MAP( pcfx_io)
-
- MCFG_SCREEN_ADD( "screen", RASTER )
- MCFG_SCREEN_UPDATE_DRIVER(pcfx_state, screen_update)
- MCFG_SCREEN_RAW_PARAMS(XTAL_21_4772MHz, HUC6261_WPF, 64, 64 + 1024 + 64, HUC6261_LPF, 18, 18 + 242)
-
- MCFG_DEVICE_ADD( "huc6270_a", HUC6270, 0 )
- MCFG_HUC6270_VRAM_SIZE(0x20000)
- MCFG_HUC6270_IRQ_CHANGED_CB(WRITELINE(pcfx_state, irq12_w))
-
- MCFG_DEVICE_ADD( "huc6270_b", HUC6270, 0 )
- MCFG_HUC6270_VRAM_SIZE(0x20000)
- MCFG_HUC6270_IRQ_CHANGED_CB(WRITELINE(pcfx_state, irq14_w))
-
- MCFG_DEVICE_ADD("huc6261", HUC6261, XTAL_21_4772MHz)
- MCFG_HUC6261_VDC1("huc6270_a")
- MCFG_HUC6261_VDC2("huc6270_b")
-
- MCFG_HUC6272_ADD( "huc6272", XTAL_21_4772MHz )
-MACHINE_CONFIG_END
-
-
-ROM_START( pcfx )
- ROM_REGION( 0x100000, "user1", 0 )
- ROM_SYSTEM_BIOS( 0, "v100", "BIOS v1.00 - 2 Sep 1994" )
- ROMX_LOAD( "pcfxbios.bin", 0x000000, 0x100000, CRC(76ffb97a) SHA1(1a77fd83e337f906aecab27a1604db064cf10074), ROM_BIOS(1) )
- ROM_SYSTEM_BIOS( 1, "v101", "BIOS v1.01 - 5 Dec 1994" )
- ROMX_LOAD( "pcfxv101.bin", 0x000000, 0x100000, CRC(236102c9) SHA1(8b662f7548078be52a871565e19511ccca28c5c8), ROM_BIOS(2) )
-
- ROM_REGION( 0x80000, "scsi_rom", 0 )
- ROM_LOAD( "fx-scsi.rom", 0x00000, 0x80000, CRC(f3e60e5e) SHA1(65482a23ac5c10a6095aee1db5824cca54ead6e5) )
-ROM_END
-
-
-ROM_START( pcfxga )
- ROM_REGION( 0x100000, "user1", 0 )
- ROM_LOAD( "pcfxga.rom", 0x000000, 0x100000, CRC(41c3776b) SHA1(a9372202a5db302064c994fcda9b24d29bb1b41c) )
-
- ROM_REGION( 0x80000, "scsi_rom", ROMREGION_ERASEFF )
-ROM_END
-
-
-/***************************************************************************
-
- Game driver(s)
-
-***************************************************************************/
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-CONS( 1994, pcfx, 0, 0, pcfx, pcfx, driver_device, 0, "Nippon Electronic Company", "PC-FX", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
-CONS( 199?, pcfxga, pcfx, 0, pcfx, pcfx, driver_device, 0, "Nippon Electronic Company", "PC-FX/GA (PC ISA Card)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )