Fujitsu F2MC-8FX manual Decimal Adjustment Table DAA, Execution Example

CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS

Execution example : DAA

Memory

FFFFH

Memory

FFFFH

A

XX

4A

A

XX

50

T

T

IX

IX

SP

SP

PC

PC

EP

Byte

0000H

EP

Byte

0000H

H

I

IL1

IL0

N

Z

V

C

H

I

IL1

IL0

N

Z

V

C

PS

0 0 1 1 0 0 0 0

PS

0 0 1 1 0 0 0 0

Byte

Byte

Byte

Byte

(Before execution)

(After execution)

Table 6.26-1 Decimal Adjustment Table (DAA)

C-flag	AL	H-flag	AL	Correction	C-flag after
	(bit7 to bit4)		(bit3 to bit0)	value	execution
0	0 to 9	0	0 to 9	00	0
0	0 to 8	0	A to F	06	0
0	0 to 9	1	0 to 3	06	0
0	A to F	0	0 to 9	60	1
0	9 to F	0	A to F	66	1
0	A to F	1	0 to 3	66	1
1	0 to 2	0	0 to 9	60	1
1	0 to 2	0	A to F	66	1
1	0 to 3	1	0 to 3	66	1

Table 6.26-2 Execution Example

Mnemonic	AL	C	H
MOV A, #75H	75	0	⋅
ADDC A, #25H	9A	0	0
DAA	00	1	0

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