Fix DAS instruction (found with kvm-unit-test)

2017-03-21 17:28:24 -05:00 · 2017-03-21 17:28:24 -05:00 · cba0826785
parent 7fa7bbcb12
commit cba0826785
1 changed files with 1 additions and 1 deletions
--- a/src/arith.js
+++ b/src/arith.js
@ -698,7 +698,7 @@ CPU.prototype.bcd_das = function()
    {
        this.reg8[reg_al] -= 6;
        this.flags |= flag_adjust;
-        this.flags = this.flags & ~1 | old_cf | this.reg8[reg_al] >> 7;
+        this.flags = this.flags & ~1 | old_cf | (old_al < 6);
    }
    else
    {