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01866: gstream: Duplicated Inputs

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* added custom inputs to mirror existing ports
* changed to use input_port_read
This commit is contained in:
Couriersud 2008-06-20 22:12:10 +00:00
parent bf85ec357e
commit 1b58bbc985
1 changed files with 37 additions and 12 deletions
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49
src/mame/drivers/gstream.c
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@ -107,6 +107,35 @@ static tilemap *gstream_tilemap3;
static UINT32 tilemap1_scrollx, tilemap2_scrollx, tilemap3_scrollx;
static UINT32 tilemap1_scrolly, tilemap2_scrolly, tilemap3_scrolly;
static CUSTOM_INPUT( gstream_mirror_service_r )
{
int result;
/* PORT_SERVICE_NO_TOGGLE */
result = (input_port_read(field->port->machine, "IN0") & 0x8000) >> 15;
return ~result;
}
static CUSTOM_INPUT( gstream_mirror_r )
{
int result;
/* IPT_COIN1 */
result = ((input_port_read(field->port->machine, "IN0") & 0x200) >> 9)<<0;
/* IPT_COIN2 */
result |= ((input_port_read(field->port->machine, "IN1") & 0x200) >> 9)<<1;
/* IPT_START1 */
result |= ((input_port_read(field->port->machine, "IN0") & 0x400) >> 10)<<2;
/* IPT_START2 */
result |= ((input_port_read(field->port->machine, "IN1") & 0x400) >> 10)<<3;
/* PORT_SERVICE_NO_TOGGLE */
result |= ((input_port_read(field->port->machine, "IN0") & 0x8000) >> 15)<<6;
return ~result;
}
static WRITE32_HANDLER( gstream_palette_w )
{
COMBINE_DATA(&paletteram32[offset]);
@ -208,18 +237,17 @@ static WRITE32_HANDLER( gstream_oki_4040_w )
}
static ADDRESS_MAP_START( gstream_io, ADDRESS_SPACE_IO, 32 )
AM_RANGE(0x4000, 0x4003) AM_READ(input_port_0_dword_r)
AM_RANGE(0x4010, 0x4013) AM_READ(input_port_1_dword_r)
AM_RANGE(0x4020, 0x4023) AM_READ(input_port_2_dword_r) // extra coin switches etc
AM_RANGE(0x4000, 0x4003) AM_READ_PORT("IN0")
AM_RANGE(0x4010, 0x4013) AM_READ_PORT("IN1")
AM_RANGE(0x4020, 0x4023) AM_READ_PORT("IN2") // extra coin switches etc
AM_RANGE(0x4030, 0x4033) AM_WRITE(gstream_oki_4030_w) // ??
AM_RANGE(0x4040, 0x4043) AM_WRITE(gstream_oki_4040_w) // ??
AM_RANGE(0x4050, 0x4053) AM_READWRITE(gstream_oki_1_r, gstream_oki_1_w) // music
AM_RANGE(0x4060, 0x4063) AM_READWRITE(gstream_oki_0_r, gstream_oki_0_w) // samples
ADDRESS_MAP_END
static INPUT_PORTS_START( gstream )
PORT_START
PORT_START_TAG("IN0")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
@ -236,6 +264,7 @@ static INPUT_PORTS_START( gstream )
PORT_SERVICE_NO_TOGGLE( 0x8000, IP_ACTIVE_LOW )
PORT_START
PORT_START_TAG("IN1")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
@ -249,15 +278,11 @@ static INPUT_PORTS_START( gstream )
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_SERVICE2 )
PORT_BIT( 0x7000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE_NO_TOGGLE( 0x8000, IP_ACTIVE_LOW )
PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_CUSTOM(gstream_mirror_service_r, 0)
PORT_START
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) // mirror of some inputs...
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_START2 )
PORT_START_TAG("IN2")
PORT_BIT( 0x004f, IP_ACTIVE_LOW, IPT_SPECIAL ) PORT_CUSTOM(gstream_mirror_r, 0)
PORT_BIT( 0xffb0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_SERVICE_NO_TOGGLE( 0x40, IP_ACTIVE_LOW )
INPUT_PORTS_END