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Fix divtlb crash, nw

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This commit is contained in:
mooglyguy 2018-07-05 13:13:00 +02:00
parent ba4f99c559
commit 9d509bd29c
1 changed files with 9 additions and 3 deletions
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12
src/emu/divtlb.cpp
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@ -179,10 +179,16 @@ bool device_vtlb_interface::vtlb_fill(offs_t address, int intention)
{ {
int liveindex = m_dynindex++ % m_dynamic; int liveindex = m_dynindex++ % m_dynamic;
// if an entry already exists at this index, free it // if an entry already exists at this index, free it
if (m_live[liveindex] != 0 && m_refcnt[m_live[liveindex] - 1] <= 1) if (m_live[liveindex] != 0)
m_table[m_live[liveindex] - 1] = 0; {
m_refcnt[m_live[liveindex] - 1]--; if (m_refcnt[m_live[liveindex] - 1] <= 1)
m_table[m_live[liveindex] - 1] = 0;
else
m_refcnt[m_live[liveindex] - 1]--;
}
// claim this new entry // claim this new entry
m_live[liveindex] = tableindex + 1; m_live[liveindex] = tableindex + 1;