Fujitsu F2MC-8FX Manual Do Utilizador
94
CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.24 CMP (CoMPare Byte Data of Immediate Data and Memory)
Compare the byte data of EA memory (memory expressed in each type of addressing)
with the immediate data and set the results to CCR. EA memory is not changed.
with the immediate data and set the results to CCR. EA memory is not changed.
■
CMP (CoMPare Byte Data of Immediate Data and Memory)
Operation
(EA) - d8
Assembler format
CMP EA, #d8
Condition code (CCR)
+: Changed by executing instruction
-: Not changed
N: Set to 1 if the MSB is 1 as the result of operation and set to 0 in other cases.
Z: Set to 1 if the result of operation is 00
H
and set to 0 in other cases.
V: Set to 1 if an overflow occurs as the result of operation and set to 0 in other cases.
C: Set to 1 if a carry occurs as the result of operation and set to 0 in other cases.
N
Z
V
C
+
+
+
+
Table 6.24-1 Number of Execution Cycles / Byte Count / OP Code
EA
dir
@IX+off
@EP
Ri
Number of execution
cycles
cycles
4
4
3
3
Byte count
3
3
2
2
OP code
95
96
97
98 to 9F