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Add missing NZ checks in INC and DEC

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This commit is contained in:
Peter Evans 2018-02-28 21:34:58 -06:00
parent 49199eac84
commit 8d0cf264d7
1 changed files with 2 additions and 0 deletions
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2
src/mos6502.arith.c
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@ -148,6 +148,7 @@ DEFINE_INST(dec)
// If we get here, then this is ACC mode, and we should work off
// that.
MOS_CHECK_NZ(cpu->A - 1);
cpu->A--;
}
@ -180,6 +181,7 @@ DEFINE_INST(inc)
return;
}
MOS_CHECK_NZ(cpu->A + 1);
cpu->A++;
}