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85
MB90210 Series
Table 10 Increment and Decrement Instructions (Byte/Word/Long Word) [12 Instructions]
For an explanation of “(a)”, “(b)”, “(c)” and “(d)”, refer to Table 4, “Number of Execution Cycles for Each Form of
Addressing,” and Table 5, “Correction Values for Number of Cycles Used to Calculate Number of Actual Cycles.”
Table 11 Compare Instructions (Byte/Word/Long Word) [11 Instructions]
For an explanation of “(a)”, “(b)”, “(c)” and “(d)”, refer to Table 4, “Number of Execution Cycles for Each Form of
Addressing,” and Table 5, “Correction Values for Number of Cycles Used to Calculate Number of Actual Cycles.”
Mnemonic
#
cycles
B
Operation
LH AH I
S
T
N
Z
V
C RMW
INC
INC
ear
eam
DEC
DEC
ear
eam
2
2+
2
2+
2
3+ (a)
2
3+ (a)
0
2
×
(b)
0
2
×
(b)
0
2
×
(c)
byte (ear)
←
(ear) +1
byte (eam)
←
(eam) +1
byte (ear)
←
(ear) –1
byte (eam)
←
(eam) –1
word (ear)
←
(ear) +1
word (eam)
←
(eam) +1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–
–
*
*
*
*
INCW
INCW
ear
eam
DECW ear
DECW eam
2
2+
2
2+
2
3+ (a)
2
3+ (a)
0
2
×
(c)
0
2
×
(d)
word (ear)
←
(ear) –1
word (eam)
←
(eam) –1
long (ear)
←
(ear) +1
long (eam)
←
(eam) +1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–
–
*
*
*
*
INCL
INCL
ear
eam
DECL
DECL
ear
eam
2
2+
2
2+
4
5+ (a)
4
5+ (a)
0
2
×
(d)
long (ear)
←
(ear) –1
long (eam)
←
(eam) –1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–
–
*
*
*
*
Mnemonic
#
cycles
B
Operation
LH AH I
S
T
N
Z
V
C RMW
CMP
CMP
CMP
CMP
A
A, ear
A, eam
A, #imm8
1
2
2+
2
2
2
2+ (a)
2
0
0
(b)
0
byte (AH) – (AL)
byte (A) – (ear)
byte (A) – (eam)
byte (A) – imm8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–
–
CMPW A
CMPW A, ear
CMPW A, eam
CMPW A, #imm16
1
2
2+
3
2
2
2+ (a)
2
0
0
(c)
0
word (AH) – (AL)
word (A) – (ear)
word (A) – (eam)
word (A) – imm16
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–
–
CMPL A, ear
CMPL A, eam
CMPL A, #imm32
2
2+
5
3
4+ (a)
3
0
(d)
0
long (A) – (ear)
long (A) – (eam)
long (A) – imm32
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
*
*
*
*
*
*
*
*
*
*
*
*
–
–
–