FUJITSU MB91F109 FR30 User Manual
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APPENDIX E Instructions
■
Addition and Subtraction Instructions
■
Compare Operation Instructions
Table E.1-1 Addition and Subtraction Instructions
Mnemonic
Type
OP
Cycle
NZVC
Operation
Remarks
ADD
Rj, Ri
*ADD #s5, Ri
ADD
#i4, Ri
ADD2 #i4, Ri
A
C’
C
C
A6
A4
A4
A5
1
1
1
1
CCCC
CCCC
CCCC
CCCC
Ri + Rj --> Ri
Ri + s5 --> Ri
Ri + extu(i4) --> Ri
Ri + extu(i4) --> Ri
Upper 1 bit is read as a
code by the assembler.
Zero expansion
Negative expansion
ADDC Rj, Ri
A
A7
1
CCCC
Ri + Rj + c --> Ri
Addition with carry-over
ADDN Rj, Ri
*ADDN #s5, Ri
ADDN #i4, Ri
ADDN2#i4, Ri
A
C'
C
C
A2
A0
A0
A1
1
1
1
1
----
----
----
----
Ri + Rj --> Ri
Ri + s5 --> Ri
Ri + extu(i4) --> Ri
Ri + extu(i4) --> Ri
Upper 1 bit is read as a
code by the assembler.
Zero expansion
Negative expansion
SUB
Rj, Ri
A
AC
1
CCCC
Ri - Rj --> Ri
SUBC Rj, Ri
A
AD
1
CCCC
Ri - Rj - c --> Ri
Subtraction with carry-
over
SUBN Rj, Ri
A
AE
1
----
Ri - Rj --> Ri
Table E.1-2 Compare Operation Instructions
Mnemonic
Type
OP
Cycle
NZVC
Operation
Remarks
CMP
Rj, Ri
*CMP #s5, Ri
CMP
#i4, Ri
CMP2 #i4, Ri
A
C'
C
C
AA
A8
A8
A9
1
1
1
1
CCCC
CCCC
CCCC
CCCC
Ri - Rj
Ri - s5
Ri + extu(i4)
Ri + extu(i4)
Upper 1 bit is read as a
code by the assembler.
Zero expansion
Negative expansion