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