Fujitsu MB90390 Series Hardware Manual page 689

Figure B.9-2 Correspondence between Actual Instruction Code and Instruction Map
Instruction
Byte 1
code
*: The extended page map is a generic name of maps for bit operation instructions, character
string operation instructions, 2-byte instructions, and ea instructions. Actually, there are
multiple extended page maps for each type of instructions.
An example of an instruction code is shown in Table B.9-1.
Table B.9-1 Example of an Instruction Code
Instruction
NOP
AND A, #8
MOV A, ADB
@RW2+d8, #8, rel
Byte 2 Operand
[Basic page map]
+Z
[Extended page map]*
+W
(from basic page map)
60 +F=6F
Some instructions do
not contain byte 2.
Length varies
depending on the
instruction.
. . .
Operand
XY
UV
Byte 1
(from extended page map)
00 +0=00
30 +4=34
70 +0=70
APPENDIX B Instructions
Byte 2
-
-
00 +0=00
F0 +2=F2
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