Table of Contents
Advertisement
APPENDIX
D.7
How to Read the Instruction List
Table D.7-1 describes the items used in the F
describes the symbols used in the same list.
■
Description of Instruction Presentation Items and Symbols
Table D.7-1 Description of Items in the Instruction List (1/2)
Mnemonic
Operation
610
Item
Uppercase, symbol: Represented as is in the assembler.
Lowercase: Rewritten in the assembler.
Number of following lowercase: Indicates bit length in the instruction.
#
Indicates the number of bytes.
Indicates the number of cycles.
~
See Table D.2-1 for the alphabetical letters in items.
Indicates the number of times a register access is performed during instruction
execution.
RG
The number is used to calculate the correction value for CPU intermittent
operation.
Indicates the correction value used to calculate the actual number of cycles during
instruction execution.
B
The actual number of cycles during instruction execution can be determined by
adding the value in the ~ column to this value.
Indicates the instruction operation.
Indicates the special operation for bit15 to bit08 of the accumulator.
Z: Transfers 0.
LH
X: Transfers after sign extension.
-: No transfer
Indicates the special operation for the 16 high-order bits of the accumulator.
*: Transfers from AL to AH.
-: No transfer
AH
Z: Transfers 00 to AH.
X: Transfers 00
2
MC-16LX Instruction List, and Table D.7-2
Description
or FF
to AH after AL sign extension.
H
H
Advertisement
Table of Contents
