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mac128: Don't write twice to VIA in one cycle (nw)

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This might be correct behavior for Macs with 68020 and later CPUs that do dynamic bus sizing, but not the early 68000 systems.
This commit is contained in:
AJR 2019-04-24 20:59:10 -04:00
parent a9d57fe8e7
commit ac33cf2a2f
1 changed files with 1 additions and 4 deletions
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5
src/mame/drivers/mac128.cpp
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@ -714,10 +714,7 @@ WRITE16_MEMBER ( mac128_state::mac_via_w )
if (LOG_VIA)
logerror("mac_via_w: offset=0x%02x data=0x%08x\n", offset, data);
if (ACCESSING_BITS_0_7)
m_via->write(offset, data & 0xff);
if (ACCESSING_BITS_8_15)
m_via->write(offset, (data >> 8) & 0xff);
m_via->write(offset, (data >> 8) & 0xff);
m_maincpu->adjust_icount(m_via_cycles);
}