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Current state of Warp Speed (nw)

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This commit is contained in:
mariuszw1 2011-06-15 21:03:42 +00:00
parent 47eb371f70
commit 01063bc4c2
1 changed files with 35 additions and 5 deletions
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40
src/mame/drivers/warpsped.c
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@ -4,6 +4,23 @@ Meadows Warp Speed
Preliminary driver by Mariusz Wojcieszek
Hardware registers:
0x00 - 0x1f control register for discs generator (8 bytes each)
0x00, 0x01 disc radius (?)
0x02, 0x03 disc middle point
0x04, 0x05 disc middle point
0x06 disc colour (0-7)
0x07 unused
0x20 ?
0x21 sound (intro screens have bit 1 toggled for click effect)
0x22 ?
0x23 ?
0x24 ?
0x25 ?
0x26 ?
0x27 ?
Board etched...
MEADOWS 024-0084
MADE IN USA
@ -71,6 +88,7 @@ public:
tilemap_t *m_text_tilemap;
tilemap_t *m_starfield_tilemap;
UINT8 *m_workram;
UINT8 m_regs[0x28];
};
static READ8_HANDLER( warpspeed_hardware_r )
@ -79,14 +97,20 @@ static READ8_HANDLER( warpspeed_hardware_r )
switch( offset )
{
case 3:
{
return input_port_read(space->machine(), "IN0" );
}
case 0: return input_port_read(space->machine(), "IN1" );
/* dipswitches? bit 6 when set causes jump to $e01 during vblank (rom missing) is this test mode? */
case 2: return 0;
case 3: return input_port_read(space->machine(), "IN0" );
}
return 0;
}
static WRITE8_HANDLER( warpspeed_hardware_w )
{
warpspeed_state *state = space->machine().driver_data<warpspeed_state>();
state->m_regs[offset] = data;
}
static TILE_GET_INFO( get_warpspeed_text_tile_info )
{
warpspeed_state *state = machine.driver_data<warpspeed_state>();
@ -140,13 +164,19 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START ( warpspeed_io_map, AS_IO, 8)
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x03) AM_READ( warpspeed_hardware_r )
AM_RANGE(0x00, 0x27) AM_WRITE( warpspeed_hardware_w )
ADDRESS_MAP_END
static INPUT_PORTS_START( warpspeed )
PORT_START("IN0")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x7e, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x7e, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_START("IN1")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME( "Accelerate" )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME( "Brake" )
PORT_BIT( 0x3f, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END
static const gfx_layout warpspeed_charlayout =