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Fixed DA A instruction when A is > 0xF9.

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This commit is contained in:
Wilbert Pol 2008-04-13 15:09:06 +00:00
parent 842ed3efb0
commit 4725e2fa8e
1 changed files with 4 additions and 0 deletions
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4
src/emu/cpu/i8039/i8039.c
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@ -192,7 +192,11 @@ INLINE UINT8 pull(void) {
INLINE void daa_a(void) INLINE void daa_a(void)
{ {
if ((R.A & 0x0f) > 0x09 || (R.PSW & A_FLAG)) if ((R.A & 0x0f) > 0x09 || (R.PSW & A_FLAG))
{
R.A += 0x06; R.A += 0x06;
if ( ! ( R.A & 0xf0 ) )
SET(C_FLAG);
}
if ((R.A & 0xf0) > 0x90 || (R.PSW & C_FLAG)) if ((R.A & 0xf0) > 0x90 || (R.PSW & C_FLAG))
{ {
R.A += 0x60; R.A += 0x60;