diff options
Diffstat (limited to 'src/mame/machine/nycaptor.c')
-rw-r--r-- | src/mame/machine/nycaptor.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/src/mame/machine/nycaptor.c b/src/mame/machine/nycaptor.c index 91dc34fc1b1..191d964fb05 100644 --- a/src/mame/machine/nycaptor.c +++ b/src/mame/machine/nycaptor.c @@ -41,7 +41,6 @@ READ8_MEMBER(nycaptor_state::nycaptor_68705_port_b_r) WRITE8_MEMBER(nycaptor_state::nycaptor_68705_port_b_w) { - if (BIT(m_ddr_b, 1) && BIT(~data, 1) && BIT(m_port_b_out, 1)) { m_port_a_in = m_from_main; @@ -91,7 +90,6 @@ WRITE8_MEMBER(nycaptor_state::nycaptor_68705_ddr_c_w) WRITE8_MEMBER(nycaptor_state::nycaptor_mcu_w) { - m_from_main = data; m_main_sent = 1; m_mcu->execute().set_input_line(0, ASSERT_LINE); @@ -99,21 +97,18 @@ WRITE8_MEMBER(nycaptor_state::nycaptor_mcu_w) READ8_MEMBER(nycaptor_state::nycaptor_mcu_r) { - m_mcu_sent = 0; return m_from_mcu; } READ8_MEMBER(nycaptor_state::nycaptor_mcu_status_r1) { - /* bit 1 = when 1, mcu has sent data to the main cpu */ return m_mcu_sent ? 2 : 0; } READ8_MEMBER(nycaptor_state::nycaptor_mcu_status_r2) { - /* bit 0 = when 1, mcu is ready to receive data from main cpu */ return m_main_sent ? 0 : 1; } |