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m68k: fix '020 cache emulation corner case. [Hans Ostermeyer]

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This commit is contained in:
arbee 2015-06-27 11:34:48 -04:00
parent d14f86b2f0
commit 46716a6df8
1 changed files with 2 additions and 1 deletions
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3
src/emu/cpu/m68000/m68kcpu.h
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@ -678,7 +678,7 @@ INLINE UINT32 m68ki_ic_readimm16(m68000_base_device *m68k, UINT32 address)
// do a cache fill if the line is invalid or the tags don't match // do a cache fill if the line is invalid or the tags don't match
if ((!m68k->ic_valid[idx]) || (m68k->ic_address[idx] != tag)) if ((!m68k->ic_valid[idx]) || (m68k->ic_address[idx] != tag))
{ {
m68k->ic_data[idx] = m68k->read32(address & ~3); UINT32 data = m68k->read32(address & ~3);
// printf("m68k: doing cache fill at %08x (tag %08x idx %d)\n", address, tag, idx); // printf("m68k: doing cache fill at %08x (tag %08x idx %d)\n", address, tag, idx);
@ -686,6 +686,7 @@ INLINE UINT32 m68ki_ic_readimm16(m68000_base_device *m68k, UINT32 address)
if (!m68k->mmu_tmp_buserror_occurred) if (!m68k->mmu_tmp_buserror_occurred)
{ {
m68k->ic_address[idx] = tag; m68k->ic_address[idx] = tag;
m68k->ic_data[idx] = data;
m68k->ic_valid[idx] = true; m68k->ic_valid[idx] = true;
} }
else else