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APPENDIX B Instructions
Note:
See Table B.5-1 and Table B.5-2 for information on (a) to (d) in the table.
Note:
See Table B.5-1 and Table B.5-2 for information on (a) to (d) in the table.
Table B.8-4 12 Increment/decrement Instructions (byte, word, long word)
Mnemonic # RG B Operation L
H
A
H
ISTNZVCR
M
W
INC ear 2 3 2 0 byte (ear) <-- (ear) + 1 -----***- -
INC eam 2+ 5+(a) 0 2 x (b) byte (eam) <-- (eam) + 1 -----***- *
DEC ear 2 3 2 0 byte (ear) <-- (ear) - 1 -----***- -
DEC eam 2+ 5+(a) 0 2 x (b) byte (eam) <-- (eam) - 1 -----***- *
INCW ear 2 3 2 0 word (ear) <-- (ear) + 1 -----***- -
INCW eam 2+ 5+(a) 0 2 x (c) word (eam) <-- (eam) + 1 -----***- *
DECW ear 2 3 2 0 word (ear) <-- (ear) - 1 -----***- -
DECW eam 2+ 5+(a) 0 2 x (c) word (eam) <-- (eam) - 1 -----***- *
INCL ear 2 7 4 0 long (ear) <-- (ear) + 1 -----***- -
INCL eam 2+ 9+(a) 0 2 x (d) long (eam) <-- (eam) + 1 -----***- *
DECL ear 2 7 4 0 long (ear) <-- (ear) - 1 -----***- -
DECL eam 2+ 9+(a) 0 2 x (d) long (eam) <-- (eam) - 1 -----***- *
Table B.8-5 11 Compare Instructions (byte, word, long word)
Mnemonic # RG B Operation L
H
A
H
ISTNZVCR
M
W
CMP A 1 1 0 0 byte (AH) - (AL) -----****-
CMP A,ear 2 2 1 0 byte (A) - (ear) -----****-
CMP A,eam 2+ 3+(a) 0 (b) byte (A) - (eam) -----****-
CMP A,#imm8 2 2 0 0 byte (A) - imm8 -----****-
CMPW A 1 1 0 0 word (AH) - (AL) -----****-
CMPW A,ear 2 2 1 0 word (A) - (ear) -----****-
CMPW A,eam 2+ 3+(a) 0 (c) word (A) - (eam) -----****-
CMPW A,#imm16 3 2 0 0 word (A) - imm16 -----****-
CMPL A,ear 2 6 2 0 long (A) - (ear) -----****-
CMPL A,eam 2+ 7+(a) 0 (d) long (A) - (eam) -----****-
CMPL A,#imm32 5 3 0 0 long (A) - imm32 -----****-