mirror of
https://github.com/holub/mame
synced 2025-06-01 02:21:48 +03:00
* fixed megadrive PAL refresh rate (for MESS) [Enik Land]
* simplified megadriv.c input reading [Fabio Priuli]
This commit is contained in:
Fabio Priuli
parent
0d51788960
commit
18ae61e783
@ -84,6 +84,8 @@ On SegaC2 the VDP never turns on the IRQ6 enable register
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#define SEGACD_CLOCK 12500000
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#define HAZE_MD 0 // to make appear / disappear the Region DipSwitch
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/* timing details */
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static int megadriv_framerate;
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static int megadrive_total_scanlines;
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@ -1443,98 +1445,132 @@ static void init_megadri6_io(running_machine *machine)
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UINT8 (*megadrive_io_read_data_port_ptr)(running_machine *machine, int offset);
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void (*megadrive_io_write_data_port_ptr)(running_machine *machine, int offset, UINT16 data);
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INPUT_PORTS_START( megadri6 )
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PORT_START("PAD1") /* Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
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/*
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A10001h = A0 Version register
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A10003h = 7F Data register for port A
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A10005h = 7F Data register for port B
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A10007h = 7F Data register for port C
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A10009h = 00 Ctrl register for port A
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A1000Bh = 00 Ctrl register for port B
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A1000Dh = 00 Ctrl register for port C
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A1000Fh = FF TxData register for port A
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A10011h = 00 RxData register for port A
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A10013h = 00 S-Ctrl register for port A
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A10015h = FF TxData register for port B
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A10017h = 00 RxData register for port B
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A10019h = 00 S-Ctrl register for port B
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A1001Bh = FF TxData register for port C
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A1001Dh = 00 RxData register for port C
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A1001Fh = 00 S-Ctrl register for port C
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Bit 7 - (Not connected)
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Bit 6 - TH
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Bit 5 - TL
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Bit 4 - TR
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Bit 3 - RIGHT
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Bit 2 - LEFT
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Bit 1 - DOWN
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Bit 0 - UP
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*/
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INPUT_PORTS_START( md_common )
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PORT_START("PAD1") /* Joypad 1 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 A") // a
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 B") // b
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 C") // c
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 B") // b
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 C") // c
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 A") // a
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 START") // start
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 X") // x
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Y") // y
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Z") // z
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_PLAYER(1) PORT_NAME("P1 MODE") // mode
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PORT_START("PAD2") /* Joypad 2 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_START("PAD2") /* Joypad 2 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 A") // a
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 B") // b
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 C") // c
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 B") // b
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 C") // c
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 A") // a
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_NAME("P2 START") // start
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_NAME("P2 X") // x
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_NAME("P2 Y") // y
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(2) PORT_NAME("P2 Z") // z
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_PLAYER(2) PORT_NAME("P2 MODE") // mode
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INPUT_PORTS_END
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PORT_START("IN0") /* 3rd I/O port */
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INPUT_PORTS_START( megadriv )
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PORT_INCLUDE( md_common )
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PORT_START("RESET") /* Buttons on Genesis Console */
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PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("Reset Button") PORT_IMPULSE(1) // reset, resets 68k (and..?)
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PORT_START("REGION") /* Buttons on Genesis Console */
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#if HAZE_MD
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PORT_START("REGION") /* Region setting for Console */
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/* Region setting for Console */
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PORT_DIPNAME( 0x000f, 0x0000, DEF_STR( Region ) )
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PORT_DIPSETTING( 0x0000, "Use HazeMD Default Choice" )
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PORT_DIPSETTING( 0x0001, "US (NTSC, 60fps)" )
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PORT_DIPSETTING( 0x0002, "JAPAN (NTSC, 60fps)" )
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PORT_DIPSETTING( 0x0003, "EUROPE (PAL, 50fps)" )
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#endif
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INPUT_PORTS_END
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INPUT_PORTS_START( megadri6 )
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PORT_INCLUDE( megadriv )
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PORT_START("EXTRA1") /* Extra buttons for Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(1) PORT_NAME("P1 Z") // z
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Y") // y
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 X") // x
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_PLAYER(1) PORT_NAME("P1 MODE") // mode
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PORT_START("EXTRA2") /* Extra buttons for Joypad 2 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_PLAYER(2) PORT_NAME("P2 Z") // z
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_NAME("P2 Y") // y
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_NAME("P2 X") // x
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_PLAYER(2) PORT_NAME("P2 MODE") // mode
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INPUT_PORTS_END
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INPUT_PORTS_START( ssf2ghw )
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PORT_START("PAD1") /* Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
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PORT_INCLUDE( md_common )
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PORT_MODIFY("PAD1")
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 )
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1)
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_MODIFY("PAD2")
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 )
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PORT_START("PAD2") /* Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START2 )
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2)
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("EXTRA1") /* Extra buttons for Joypad 1 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("EXTRA2") /* Extra buttons for Joypad 2 (6 button + start + mode) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("IN0") /* 3rd I/O port */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
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// PORT_START("RESET") /* Buttons on Genesis Console */
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// PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("Reset Button") PORT_IMPULSE(1) // reset, resets 68k (and..?)
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// PORT_START("REGION") /* Buttons on Genesis Console */
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// /* Region setting for Console */
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// PORT_DIPNAME( 0x000f, 0x0000, DEF_STR( Region ) )
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// PORT_DIPSETTING( 0x0000, "Use HazeMD Default Choice" )
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// PORT_DIPSETTING( 0x0001, "US (NTSC, 60fps)" )
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// PORT_DIPSETTING( 0x0002, "JAPAN (NTSC, 60fps)" )
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// PORT_DIPSETTING( 0x0003, "EUROPE (PAL, 50fps)" )
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PORT_START("DSWA")
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PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coinage ) )
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PORT_DIPSETTING( 0x01, DEF_STR( 4C_1C ) )
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@ -1578,117 +1614,17 @@ INPUT_PORTS_START( ssf2ghw )
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INPUT_PORTS_END
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/*
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A10001h = A0 Version register
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A10003h = 7F Data register for port A
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A10005h = 7F Data register for port B
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A10007h = 7F Data register for port C
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A10009h = 00 Ctrl register for port A
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A1000Bh = 00 Ctrl register for port B
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A1000Dh = 00 Ctrl register for port C
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A1000Fh = FF TxData register for port A
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A10011h = 00 RxData register for port A
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A10013h = 00 S-Ctrl register for port A
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A10015h = FF TxData register for port B
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A10017h = 00 RxData register for port B
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A10019h = 00 S-Ctrl register for port B
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A1001Bh = FF TxData register for port C
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A1001Dh = 00 RxData register for port C
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A1001Fh = 00 S-Ctrl register for port C
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Bit 7 - (Not connected)
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Bit 6 - TH
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Bit 5 - TL
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Bit 4 - TR
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Bit 3 - RIGHT
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Bit 2 - LEFT
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Bit 1 - DOWN
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Bit 0 - UP
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*/
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INPUT_PORTS_START( megadriv )
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PORT_START("PAD1") /* Joypad 1 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 A") // a
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 B") // b
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 C") // c
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 START") // start
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PORT_START("PAD2") /* Joypad 2 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 A") // a
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 B") // b
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 C") // c
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_NAME("P2 START") // start
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PORT_START("IN0") /* 3rd I/O port */
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PORT_START("RESET") /* Buttons on Genesis Console */
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PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("Reset Button") PORT_IMPULSE(1) // reset, resets 68k (and..?)
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PORT_START("REGION") /* Region setting for Console */
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/* Region setting for Console */
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PORT_DIPNAME( 0x000f, 0x0000, DEF_STR( Region ) )
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PORT_DIPSETTING( 0x0000, "Use HazeMD Default Choice" )
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PORT_DIPSETTING( 0x0001, "US (NTSC, 60fps)" )
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PORT_DIPSETTING( 0x0002, "JAPAN (NTSC, 60fps)" )
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PORT_DIPSETTING( 0x0003, "EUROPE (PAL, 50fps)" )
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INPUT_PORTS_END
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INPUT_PORTS_START( aladbl )
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PORT_START("PAD1") /* Joypad 1 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_INCLUDE( md_common )
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PORT_MODIFY("PAD1") /* Joypad 1 (3 button + start) NOT READ DIRECTLY */
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Throw") // a
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Sword") // b
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Jump") // c
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 ) // start
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PORT_START("PAD2") /* Joypad 2 (3 button + start) NOT READ DIRECTLY - not used */
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// PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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// PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
|
||||
// PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
|
||||
// PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
|
||||
// PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Throw") // a
|
||||
// PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 Sword") // b
|
||||
// PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Jump") // c
|
||||
// PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START2 ) // start
|
||||
|
||||
PORT_START("IN0") /* 3rd I/O port */
|
||||
|
||||
// PORT_START("RESET") /* Buttons on Genesis Console */
|
||||
// PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("Reset Button") PORT_IMPULSE(1) // reset, resets 68k (and..?)
|
||||
|
||||
// PORT_START("REGION") /* Region setting for Console */
|
||||
// /* Region setting for Console */
|
||||
// PORT_DIPNAME( 0x000f, 0x0000, DEF_STR( Region ) )
|
||||
// PORT_DIPSETTING( 0x0000, "Use HazeMD Default Choice" )
|
||||
// PORT_DIPSETTING( 0x0001, "US (NTSC, 60fps)" )
|
||||
// PORT_DIPSETTING( 0x0002, "JAPAN (NTSC, 60fps)" )
|
||||
// PORT_DIPSETTING( 0x0003, "EUROPE (PAL, 50fps)" )
|
||||
PORT_MODIFY("PAD2") /* Joypad 2 (3 button + start) NOT READ DIRECTLY - not used */
|
||||
PORT_BIT( 0x00ff, IP_ACTIVE_LOW, IPT_UNUSED )
|
||||
|
||||
/* As I don't know how it is on real hardware, this is more a guess than anything */
|
||||
PORT_START("MCU")
|
||||
@ -1701,7 +1637,7 @@ INPUT_PORTS_START( aladbl )
|
||||
PORT_DIPSETTING( 0x05, DEF_STR( 1C_5C ) )
|
||||
PORT_DIPSETTING( 0x06, DEF_STR( 1C_6C ) )
|
||||
PORT_DIPSETTING( 0x07, DEF_STR( 1C_7C ) )
|
||||
//PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* to avoid it being changed and corrupting Coinage settings */
|
||||
// PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* to avoid it being changed and corrupting Coinage settings */
|
||||
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Difficulty ) ) /* code at 0x1b2680 */
|
||||
PORT_DIPSETTING( 0x10, DEF_STR( Easy ) ) /* "PRACTICE" */
|
||||
PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) /* "NORMAL" */
|
||||
@ -1712,24 +1648,6 @@ INPUT_PORTS_START( aladbl )
|
||||
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) /* needed to avoid credits getting mad */
|
||||
INPUT_PORTS_END
|
||||
|
||||
/* xxx_BUTTONs are used with player = 0, 1, 2, 3 so we need to return 0 for the missing 4th I/O port */
|
||||
static const char *const padnames[] = { "PAD1", "PAD2", "IN0", "UNK" };
|
||||
|
||||
#define MODE_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0800) >> 11)
|
||||
#define Z_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0400) >> 10)
|
||||
#define Y_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0200) >> 9 )
|
||||
#define X_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0100) >> 8 )
|
||||
|
||||
#define START_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0080) >> 7 )
|
||||
#define C_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0040) >> 6 )
|
||||
#define B_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0020) >> 5 )
|
||||
#define A_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0010) >> 4 )
|
||||
#define RIGHT_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0008) >> 3 )
|
||||
#define LEFT_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0004) >> 2 )
|
||||
#define DOWN_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0002) >> 1 )
|
||||
#define UP_BUTTON(machine,player) ((input_port_read_safe(machine, padnames[player], 0) & 0x0001) >> 0 )
|
||||
#define MD_RESET_BUTTON(machine) ((input_port_read_safe(machine, "RESET", 0x00) & 0x01) >> 0 )
|
||||
|
||||
UINT8 megadrive_io_data_regs[3];
|
||||
UINT8 megadrive_io_ctrl_regs[3];
|
||||
static UINT8 megadrive_io_tx_regs[3];
|
||||
@ -1746,113 +1664,83 @@ static void megadrive_init_io(running_machine *machine)
|
||||
megadrive_io_tx_regs[1] = 0xff;
|
||||
megadrive_io_tx_regs[2] = 0xff;
|
||||
|
||||
if (machine->gamedrv->ipt==ipt_megadri6)
|
||||
if (machine->gamedrv->ipt == ipt_megadri6)
|
||||
init_megadri6_io(machine);
|
||||
|
||||
if (machine->gamedrv->ipt==ipt_ssf2ghw)
|
||||
if (machine->gamedrv->ipt == ipt_ssf2ghw)
|
||||
init_megadri6_io(machine);
|
||||
}
|
||||
|
||||
/************* 6 button version **************************/
|
||||
/************* 6 buttons version **************************/
|
||||
static UINT8 megadrive_io_read_data_port_6button(running_machine *machine, int portnum)
|
||||
{
|
||||
UINT8 retdata;
|
||||
UINT8 retdata, helper = (megadrive_io_ctrl_regs[portnum] & 0x7f) | 0xc0; // bits 6 & 7 always come from megadrive_io_data_regs
|
||||
static const char *pad3names[] = { "PAD1", "PAD2", "IN0", "UNK" };
|
||||
static const char *pad6names[] = { "EXTRA1", "EXTRA2", "IN0", "UNK" };
|
||||
|
||||
if (megadrive_io_data_regs[portnum]&0x40)
|
||||
if (megadrive_io_data_regs[portnum] & 0x40)
|
||||
{
|
||||
if (io_stage[portnum]==2)
|
||||
if (io_stage[portnum] == 2)
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
(1 <<6) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(C_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(B_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(MODE_BUTTON(machine,portnum)<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(X_BUTTON(machine,portnum)<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(Y_BUTTON(machine,portnum)<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(Z_BUTTON(machine,portnum)<<0));
|
||||
/* here we read B, C & the additional buttons */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
(((input_port_read_safe(machine, pad3names[portnum], 0) & 0x30) |
|
||||
(input_port_read_safe(machine, pad6names[portnum], 0) & 0x0f)) & ~helper);
|
||||
}
|
||||
else
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
(1 << 6) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(C_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(B_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(RIGHT_BUTTON(machine,portnum)<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(LEFT_BUTTON(machine,portnum)<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(DOWN_BUTTON(machine,portnum)<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(UP_BUTTON(machine,portnum)<<0));
|
||||
/* here we read B, C & the directional buttons */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
((input_port_read_safe(machine, pad3names[portnum], 0) & 0x3f) & ~helper);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (io_stage[portnum]==1)
|
||||
if (io_stage[portnum] == 1)
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
( 0<<6 ) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(START_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(A_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(0<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(0<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(0<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(0<<0));
|
||||
/* here we read ((Start & A) >> 2) | 0x00 */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
(((input_port_read_safe(machine, pad3names[portnum], 0) & 0xc0) >> 2) & ~helper);
|
||||
}
|
||||
else if (io_stage[portnum]==2)
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
( 0<<6 ) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(START_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(A_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(1<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(1<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(1<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(1<<0));
|
||||
/* here we read ((Start & A) >> 2) | 0x0f */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
((((input_port_read_safe(machine, pad3names[portnum], 0) & 0xc0) >> 2) | 0x0f) & ~helper);
|
||||
}
|
||||
else
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
( 0<<6 ) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(START_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(A_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(0<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(0<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(DOWN_BUTTON(machine,portnum)<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(UP_BUTTON(machine,portnum)<<0));
|
||||
/* here we read ((Start & A) >> 2) | Up and Down */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
((((input_port_read_safe(machine, pad3names[portnum], 0) & 0xc0) >> 2) |
|
||||
(input_port_read_safe(machine, pad3names[portnum], 0) & 0x02)) & ~helper);
|
||||
}
|
||||
}
|
||||
|
||||
// mame_printf_debug("read io data port stage %d port %d %02x\n",io_stage[portnum],portnum,retdata);
|
||||
|
||||
|
||||
return retdata|(retdata<<8);
|
||||
return retdata | (retdata << 8);
|
||||
}
|
||||
/************* end 6 button version ********************************************/
|
||||
|
||||
|
||||
/************* 3 buttons version **************************/
|
||||
static UINT8 megadrive_io_read_data_port_3button(running_machine *machine, int portnum)
|
||||
{
|
||||
UINT8 retdata;
|
||||
|
||||
UINT8 retdata, helper = (megadrive_io_ctrl_regs[portnum] & 0x3f) | 0xc0; // bits 6 & 7 always come from megadrive_io_data_regs
|
||||
static const char *pad3names[] = { "PAD1", "PAD2", "IN0", "UNK" };
|
||||
|
||||
if (megadrive_io_data_regs[portnum]&0x40)
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x40)?(megadrive_io_data_regs[portnum]&0x40):(0x40)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(C_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(B_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(RIGHT_BUTTON(machine,portnum)<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(LEFT_BUTTON(machine,portnum)<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(DOWN_BUTTON(machine,portnum)<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(UP_BUTTON(machine,portnum)<<0));
|
||||
/* here we read B, C & the directional buttons */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
((input_port_read_safe(machine, pad3names[portnum], 0) & 0x3f) & ~helper);
|
||||
}
|
||||
else
|
||||
{
|
||||
retdata = ( megadrive_io_data_regs[portnum] & 0x80) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x40)?(megadrive_io_data_regs[portnum]&0x40):(0x40)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x20)?(megadrive_io_data_regs[portnum]&0x20):(START_BUTTON(machine,portnum)<<5)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x10)?(megadrive_io_data_regs[portnum]&0x10):(A_BUTTON(machine,portnum)<<4)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x08)?(megadrive_io_data_regs[portnum]&0x08):(0<<3)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x04)?(megadrive_io_data_regs[portnum]&0x04):(0<<2)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x02)?(megadrive_io_data_regs[portnum]&0x02):(DOWN_BUTTON(machine,portnum)<<1)) |
|
||||
((megadrive_io_ctrl_regs[portnum]&0x01)?(megadrive_io_data_regs[portnum]&0x01):(UP_BUTTON(machine,portnum)<<0));
|
||||
/* here we read ((Start & A) >> 2) | Up and Down */
|
||||
retdata = (megadrive_io_data_regs[portnum] & helper) |
|
||||
((((input_port_read_safe(machine, pad3names[portnum], 0) & 0xc0) >> 2) |
|
||||
(input_port_read_safe(machine, pad3names[portnum], 0) & 0x02)) & ~helper);
|
||||
}
|
||||
|
||||
return retdata;
|
||||
@ -1863,40 +1751,21 @@ UINT8 megatech_bios_port_cc_dc_r(running_machine *machine, int offset, int ctrl)
|
||||
{
|
||||
UINT8 retdata;
|
||||
|
||||
if (ctrl==0x55)
|
||||
if (ctrl == 0x55)
|
||||
{
|
||||
retdata = (1<<0) |
|
||||
(1<<1) |
|
||||
(A_BUTTON(machine,1)<<2) |
|
||||
(1<<3) |
|
||||
(A_BUTTON(machine,0)<<4) |
|
||||
(1<<5) |
|
||||
(1<<6) |
|
||||
(1<<7);
|
||||
/* A keys */
|
||||
retdata = ((input_port_read(machine, "PAD1") & 0x40) >> 2) |
|
||||
((input_port_read(machine, "PAD2") & 0x40) >> 4) | 0xeb;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (offset==0)
|
||||
if (offset == 0)
|
||||
{
|
||||
retdata = (UP_BUTTON(machine,0)<<0) |
|
||||
(DOWN_BUTTON(machine,0)<<1) |
|
||||
(LEFT_BUTTON(machine,0)<<2) |
|
||||
(RIGHT_BUTTON(machine,0)<<3) |
|
||||
(B_BUTTON(machine,0)<<4) |
|
||||
(C_BUTTON(machine,0)<<5) |
|
||||
(UP_BUTTON(machine,1)<<6) |
|
||||
(DOWN_BUTTON(machine,1)<<7);
|
||||
retdata = (input_port_read(machine, "PAD1") & 0x3f) | ((input_port_read(machine, "PAD2") & 0x03) << 6);
|
||||
}
|
||||
else
|
||||
{
|
||||
retdata = (LEFT_BUTTON(machine,1)<<0) |
|
||||
(RIGHT_BUTTON(machine,1)<<1) |
|
||||
(B_BUTTON(machine,1)<<2) |
|
||||
(C_BUTTON(machine,1)<<3) |
|
||||
(1<<4) |
|
||||
(1<<5) |
|
||||
(1<<6) |
|
||||
(1<<7);
|
||||
retdata = ((input_port_read(machine, "PAD2") & 0x3c) >> 2) | 0xf0;
|
||||
}
|
||||
|
||||
}
|
||||
@ -1908,27 +1777,17 @@ UINT8 megatech_bios_port_cc_dc_r(running_machine *machine, int offset, int ctrl)
|
||||
READ8_HANDLER (megatech_sms_ioport_dc_r)
|
||||
{
|
||||
running_machine *machine = space->machine;
|
||||
return (DOWN_BUTTON(machine,1) << 7) |
|
||||
(UP_BUTTON(machine,1) << 6) |
|
||||
(B_BUTTON(machine,0) << 5) | // TR-A
|
||||
(A_BUTTON(machine,0) << 4) | // TL-A
|
||||
(RIGHT_BUTTON(machine,0) << 3) |
|
||||
(LEFT_BUTTON(machine,0) << 2) |
|
||||
(DOWN_BUTTON(machine,0) << 1) |
|
||||
(UP_BUTTON(machine,0) << 0);
|
||||
/* 2009-05 FP: would it be worth to give separate inputs to SMS? SMS has only 2 keys A,B (which are B,C on megadrive) */
|
||||
/* bit 4: TL-A; bit 5: TR-A */
|
||||
return (input_port_read(machine, "PAD1") & 0x3f) | ((input_port_read(machine, "PAD2") & 0x03) << 6);
|
||||
}
|
||||
|
||||
READ8_HANDLER (megatech_sms_ioport_dd_r)
|
||||
{
|
||||
running_machine *machine = space->machine;
|
||||
return (0 << 7) | // TH-B
|
||||
(0 << 6) | // TH-A
|
||||
(0 << 5) | // unused
|
||||
(1 << 4) | // RESET button
|
||||
(B_BUTTON(machine,1) << 3) | // TR-B
|
||||
(A_BUTTON(machine,1) << 2) | // TL-B
|
||||
(RIGHT_BUTTON(machine,1) << 1) |
|
||||
(LEFT_BUTTON(machine,1) << 0);
|
||||
/* 2009-05 FP: would it be worth to give separate inputs to SMS? SMS has only 2 keys A,B (which are B,C on megadrive) */
|
||||
/* bit 2: TL-B; bit 3: TR-B; bit 4: RESET; bit 5: unused; bit 6: TH-A; bit 7: TH-B*/
|
||||
return ((input_port_read(machine, "PAD2") & 0x3c) >> 2) | 0x10;
|
||||
}
|
||||
|
||||
static UINT8 megadrive_io_read_ctrl_port(int portnum)
|
||||
@ -1937,14 +1796,14 @@ static UINT8 megadrive_io_read_ctrl_port(int portnum)
|
||||
retdata = megadrive_io_ctrl_regs[portnum];
|
||||
//mame_printf_debug("read io ctrl port %d %02x\n",portnum,retdata);
|
||||
|
||||
return retdata|(retdata<<8);
|
||||
return retdata | (retdata << 8);
|
||||
}
|
||||
|
||||
static UINT8 megadrive_io_read_tx_port(int portnum)
|
||||
{
|
||||
UINT8 retdata;
|
||||
retdata = megadrive_io_tx_regs[portnum];
|
||||
return retdata|(retdata<<8);
|
||||
return retdata | (retdata << 8);
|
||||
}
|
||||
|
||||
static UINT8 megadrive_io_read_rx_port(int portnum)
|
||||
@ -2020,7 +1879,7 @@ static READ16_HANDLER( megadriv_68k_io_read )
|
||||
|
||||
}
|
||||
|
||||
return retdata | (retdata<<8);
|
||||
return retdata | (retdata << 8);
|
||||
}
|
||||
|
||||
|
||||
@ -2032,7 +1891,7 @@ static void megadrive_io_write_data_port_3button(running_machine *machine, int p
|
||||
}
|
||||
|
||||
|
||||
/******************************6 button version*****************************/
|
||||
/****************************** 6 buttons version*****************************/
|
||||
|
||||
static void megadrive_io_write_data_port_6button(running_machine *machine, int portnum, UINT16 data)
|
||||
{
|
||||
@ -2051,7 +1910,8 @@ static void megadrive_io_write_data_port_6button(running_machine *machine, int p
|
||||
|
||||
}
|
||||
|
||||
/***************************end 6 button version ****************************/
|
||||
|
||||
/*************************** 3 buttons version ****************************/
|
||||
|
||||
static void megadrive_io_write_ctrl_port(running_machine *machine, int portnum, UINT16 data)
|
||||
{
|
||||
@ -6065,7 +5925,8 @@ VIDEO_EOF(megadriv)
|
||||
megadrive_imode_odd_frame^=1;
|
||||
// cputag_set_input_line(machine, "genesis_snd_z80", 0, CLEAR_LINE); // if the z80 interrupt hasn't happened by now, clear it..
|
||||
|
||||
if (MD_RESET_BUTTON(machine)) cputag_set_input_line(machine, "maincpu", INPUT_LINE_RESET, PULSE_LINE);
|
||||
if (input_port_read_safe(machine, "RESET", 0x00) & 0x01)
|
||||
cputag_set_input_line(machine, "maincpu", INPUT_LINE_RESET, PULSE_LINE);
|
||||
|
||||
/*
|
||||
int megadrive_total_scanlines = 262;
|
||||
@ -6246,7 +6107,7 @@ MACHINE_DRIVER_START( megadpal )
|
||||
|
||||
MDRV_SCREEN_ADD("megadriv", RASTER)
|
||||
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB15)
|
||||
MDRV_SCREEN_REFRESH_RATE(60)
|
||||
MDRV_SCREEN_REFRESH_RATE(50)
|
||||
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) // Vblank handled manually.
|
||||
MDRV_SCREEN_SIZE(64*8, 64*8)
|
||||
MDRV_SCREEN_VISIBLE_AREA(0, 32*8-1, 0, 28*8-1)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user