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z8000: No unaligned word accesses (nw)

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This commit is contained in:
AJR 2018-01-10 21:12:54 -05:00
parent c743a25bc5
commit 4d51fe9403
1 changed files with 4 additions and 2 deletions
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6
src/devices/cpu/z8000/z8000.cpp
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@ -297,9 +297,10 @@ uint16_t z8002_device::RDPORT_W(int mode, uint16_t addr)
uint16_t z8001_device::RDPORT_W(int mode, uint16_t addr) uint16_t z8001_device::RDPORT_W(int mode, uint16_t addr)
{ {
addr &= ~1;
if(mode == 0) if(mode == 0)
{ {
return m_io->read_word_unaligned((uint16_t)addr); return m_io->read_word(addr);
} }
else else
{ {
@ -336,9 +337,10 @@ void z8002_device::WRPORT_W(int mode, uint16_t addr, uint16_t value)
void z8001_device::WRPORT_W(int mode, uint16_t addr, uint16_t value) void z8001_device::WRPORT_W(int mode, uint16_t addr, uint16_t value)
{ {
addr &= ~1;
if(mode == 0) if(mode == 0)
{ {
m_io->write_word_unaligned((uint16_t)addr, value); m_io->write_word(addr, value);
} }
else else
{ {