diff options
Diffstat (limited to 'src/mame/drivers/spcforce.c')
-rw-r--r-- | src/mame/drivers/spcforce.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/src/mame/drivers/spcforce.c b/src/mame/drivers/spcforce.c index e38d082457f..de794ab8caa 100644 --- a/src/mame/drivers/spcforce.c +++ b/src/mame/drivers/spcforce.c @@ -41,13 +41,11 @@ TODO: WRITE8_MEMBER(spcforce_state::spcforce_SN76496_latch_w) { - m_sn76496_latch = data; } READ8_MEMBER(spcforce_state::spcforce_SN76496_select_r) { - if (~m_sn76496_select & 0x40) return m_sn1->ready_r(); if (~m_sn76496_select & 0x20) return m_sn2->ready_r(); if (~m_sn76496_select & 0x10) return m_sn3->ready_r(); @@ -58,7 +56,6 @@ READ8_MEMBER(spcforce_state::spcforce_SN76496_select_r) WRITE8_MEMBER(spcforce_state::spcforce_SN76496_select_w) { - m_sn76496_select = data; if (~data & 0x40) m_sn1->write(space, 0, m_sn76496_latch); @@ -81,7 +78,6 @@ WRITE8_MEMBER(spcforce_state::spcforce_soundtrigger_w) WRITE8_MEMBER(spcforce_state::irq_mask_w) { - m_irq_mask = data & 1; } @@ -255,7 +251,6 @@ static const sn76496_config psg_intf = INTERRUPT_GEN_MEMBER(spcforce_state::vblank_irq) { - if(m_irq_mask) device.execute().set_input_line(3, HOLD_LINE); } |