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Illegal opcode is the start of the undefined address

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This commit is contained in:
Angelo Salese 2013-01-29 23:27:08 +00:00
parent f003637265
commit 4e80fcf1c5
1 changed files with 2 additions and 2 deletions
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4
src/emu/cpu/sh2/sh2.c
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@ -848,11 +848,11 @@ INLINE void EXTUW(sh2_state *sh2, UINT32 m, UINT32 n)
/* ILLEGAL */
INLINE void ILLEGAL(sh2_state *sh2)
{
logerror("SH2.%s: Illegal opcode at %08x\n", sh2->device->tag(), sh2->pc);
logerror("SH2.%s: Illegal opcode at %08x\n", sh2->device->tag(), sh2->pc - 2);
sh2->r[15] -= 4;
WL( sh2, sh2->r[15], sh2->sr ); /* push SR onto stack */
sh2->r[15] -= 4;
WL( sh2, sh2->r[15], sh2->pc ); /* push PC onto stack */
WL( sh2, sh2->r[15], sh2->pc - 2 ); /* push PC onto stack */
/* fetch PC */
sh2->pc = RL( sh2, sh2->vbr + 4 * 4 );