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G-LOC: Mapping portbits related to the moving cabinet limit switches.

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This commit is contained in:
Felipe Corrêa da Silva Sanches 2014-11-02 03:23:19 -02:00
parent 55b4c23e64
commit 95aa583dc1
1 changed files with 10 additions and 4 deletions
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14
src/mame/drivers/segaybd.c
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@ -118,7 +118,7 @@ WRITE16_MEMBER( segaybd_state::analog_w )
//-------------------------------------------------
IOPORT_ARRAY_MEMBER( segaybd_state::digital_ports )
{ "P1", "GENERAL", "PORTC", "PORTD", "PORTE", "DSW", "COINAGE", "PORTH" };
{ "P1", "GENERAL", "LIMITSW", "PORTD", "PORTE", "DSW", "COINAGE", "PORTH" };
READ16_MEMBER( segaybd_state::io_chip_r )
{
@ -403,7 +403,7 @@ void segaybd_state::device_timer(emu_timer &timer, device_timer_id id, int param
void segaybd_state::gforce2_output_cb1(UINT16 data)
{
logerror("gforce2_output_cb1: '%02X'\n", data & 0xFF);
//bits 4, 5, and 7 seem to be used to multiplex the PORTC signals
//bits 4, 5, and 7 seem to be used to multiplex the "LIMITSW" port signals
//The exact mapping of these signals is yet not perfectly understood.
//You can observe how this value changes when switching pages in the
//service mode motor test menu
@ -846,7 +846,7 @@ static INPUT_PORTS_START( yboard_generic )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_START("PORTC")
PORT_START("LIMITSW")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("PORTD")
@ -885,7 +885,7 @@ static INPUT_PORTS_START( gforce2 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Shoot")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Missile")
PORT_MODIFY("PORTC")
PORT_MODIFY("LIMITSW")
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Floor Switch")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Beam Sensor 2 / Down Limit") //The meaning of these portbits seems to be selected
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Beam Sensor 1 / Up Limit") // by the output value written to gforce2_output_cb1
@ -934,6 +934,12 @@ static INPUT_PORTS_START( gloc )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Vulcan")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Missile")
PORT_MODIFY("LIMITSW")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Right Upper Limit Switch")
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Right Lower Limit Switch")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Left Upper Limit Switch")
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Left Lower Limit Switch")
PORT_MODIFY("DSW")
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SWB:1,2")
PORT_DIPSETTING( 0x02, DEF_STR( Easy ) )