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added hack back to get manager booting (nw)

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This commit is contained in:
smf- 2014-02-10 16:19:51 +00:00
parent 954fe95870
commit ba1e4f154a
1 changed files with 3 additions and 2 deletions
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5
src/mess/drivers/crvision.c
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@ -669,12 +669,13 @@ WRITE_LINE_MEMBER( laser2001_state::pia_ca2_w )
WRITE_LINE_MEMBER(laser2001_state::write_centronics_busy)
{
m_centronics_busy = state;
m_pia->cb1_w(m_psg->ready_r() && m_centronics_busy);
m_pia->cb1_w(pia_cb1_r());
}
READ_LINE_MEMBER( laser2001_state::pia_cb1_r )
{
return m_psg->ready_r() && m_centronics_busy;
/* actually this is a diode-AND (READY & _BUSY), but ctronics.c returns busy status if no device is mounted -> Manager won't boot */
return m_psg->ready_r() && (!m_centronics_busy || m_pia->ca2_output_z());
}
WRITE_LINE_MEMBER( laser2001_state::pia_cb2_w )