diff options
Diffstat (limited to 'src/mame/drivers/sonson.c')
-rw-r--r-- | src/mame/drivers/sonson.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/mame/drivers/sonson.c b/src/mame/drivers/sonson.c index 1a5290e4120..e0c31a66c32 100644 --- a/src/mame/drivers/sonson.c +++ b/src/mame/drivers/sonson.c @@ -54,28 +54,27 @@ TODO: #include "includes/sonson.h" -static WRITE8_HANDLER( sonson_sh_irqtrigger_w ) +WRITE8_MEMBER(sonson_state::sonson_sh_irqtrigger_w) { - sonson_state *state = space->machine().driver_data<sonson_state>(); data &= 1; - if (state->m_last_irq == 0 && data == 1) + if (m_last_irq == 0 && data == 1) { /* setting bit 0 low then high triggers IRQ on the sound CPU */ - device_set_input_line(state->m_audiocpu, M6809_FIRQ_LINE, HOLD_LINE); + device_set_input_line(m_audiocpu, M6809_FIRQ_LINE, HOLD_LINE); } - state->m_last_irq = data; + m_last_irq = data; } -static WRITE8_HANDLER( sonson_coin1_counter_w ) +WRITE8_MEMBER(sonson_state::sonson_coin1_counter_w) { - coin_counter_w(space->machine(), 0, data & 1); + coin_counter_w(machine(), 0, data & 1); } -static WRITE8_HANDLER( sonson_coin2_counter_w ) +WRITE8_MEMBER(sonson_state::sonson_coin2_counter_w) { - coin_counter_w(space->machine(), 1, data & 1); + coin_counter_w(machine(), 1, data & 1); } static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, sonson_state ) @@ -92,9 +91,9 @@ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, sonson_state ) AM_RANGE(0x3008, 0x3008) AM_WRITENOP // might be Y scroll, but the game always sets it to 0 AM_RANGE(0x3010, 0x3010) AM_WRITE_LEGACY(soundlatch_w) AM_RANGE(0x3018, 0x3018) AM_WRITE_LEGACY(sonson_flipscreen_w) - AM_RANGE(0x3019, 0x3019) AM_WRITE_LEGACY(sonson_sh_irqtrigger_w) - AM_RANGE(0x301e, 0x301e) AM_WRITE_LEGACY(sonson_coin2_counter_w) - AM_RANGE(0x301f, 0x301f) AM_WRITE_LEGACY(sonson_coin1_counter_w) + AM_RANGE(0x3019, 0x3019) AM_WRITE(sonson_sh_irqtrigger_w) + AM_RANGE(0x301e, 0x301e) AM_WRITE(sonson_coin2_counter_w) + AM_RANGE(0x301f, 0x301f) AM_WRITE(sonson_coin1_counter_w) AM_RANGE(0x4000, 0xffff) AM_ROM ADDRESS_MAP_END |