summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/blockade.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/blockade.c')
-rw-r--r--src/mame/drivers/blockade.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/src/mame/drivers/blockade.c b/src/mame/drivers/blockade.c
index 66ace17a714..a34acebbb54 100644
--- a/src/mame/drivers/blockade.c
+++ b/src/mame/drivers/blockade.c
@@ -76,29 +76,27 @@ static INTERRUPT_GEN( blockade_interrupt )
*
*************************************/
-static READ8_HANDLER( blockade_input_port_0_r )
+READ8_MEMBER(blockade_state::blockade_input_port_0_r)
{
- blockade_state *state = space->machine().driver_data<blockade_state>();
/* coin latch is bit 7 */
- UINT8 temp = (input_port_read(space->machine(), "IN0") & 0x7f);
+ UINT8 temp = (input_port_read(machine(), "IN0") & 0x7f);
- return (state->m_coin_latch << 7) | temp;
+ return (m_coin_latch << 7) | temp;
}
-static WRITE8_HANDLER( blockade_coin_latch_w )
+WRITE8_MEMBER(blockade_state::blockade_coin_latch_w)
{
- blockade_state *state = space->machine().driver_data<blockade_state>();
if (data & 0x80)
{
if (BLOCKADE_LOG) mame_printf_debug("Reset Coin Latch\n");
- if (state->m_just_been_reset)
+ if (m_just_been_reset)
{
- state->m_just_been_reset = 0;
- state->m_coin_latch = 0;
+ m_just_been_reset = 0;
+ m_coin_latch = 0;
}
else
- state->m_coin_latch = 1;
+ m_coin_latch = 1;
}
if (data & 0x20)
@@ -127,7 +125,7 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, blockade_state )
ADDRESS_MAP_END
static ADDRESS_MAP_START( main_io_map, AS_IO, 8, blockade_state )
- AM_RANGE(0x01, 0x01) AM_READWRITE_LEGACY(blockade_input_port_0_r, blockade_coin_latch_w)
+ AM_RANGE(0x01, 0x01) AM_READWRITE(blockade_input_port_0_r, blockade_coin_latch_w)
AM_RANGE(0x02, 0x02) AM_READ_PORT("IN1")
AM_RANGE(0x02, 0x02) AM_DEVWRITE_LEGACY("discrete", blockade_sound_freq_w)
AM_RANGE(0x04, 0x04) AM_READ_PORT("IN2")