Table B.4-5 Instruction List Columns (Continued)
Column
Operation
Operation of an instruction
A content change (automatic transfer from A to T) when each of the TL, TH, and AH
instructions is executed. Symbols in the column indicate the following:
•
"-" indicates no change.
TL, TH, AH
•
dH is the upper 8 bits of operation description data.
•
AL and AH must become the contents of AL and AH immediately before the instruction is
executed.
•
00 becomes 00.
An instruction of which the corresponding flag will change.
N, Z, V, C
If + is written in this column, the relevant instruction will change its corresponding flag.
Code of an instruction. If an instruction is more than one code, it is written according to the
OP Code
following rule:
Example: 48 to 4F <-- This indicates 48, 49, ... , 4F.
APPENDIX B Overview of Instructions
Description
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