MB90590 Datasheet, PDF (448/502 Pages) Fujitsu Component Limited. – 16-BIT MICROCONTROLLER HARDWARE MANUAL

APPENDIX B INSTRUCTIONS
B.7 How to Read the Instruction List
Table B.7-1describes the items used in the F²MC-16LX Instruction List, and Table B.7-2
describes the symbols used in the same list.
s Description of instruction presentation items and symbols
Table B.7-1 Description of Items in the Instruction List
Item
Mnemonic
#
Description
Uppercase, symbol: Represented as is in the assembler.
Lowercase: Rewritten in the assembler.
Number following lowercase: Indicates bit length in the instruction.
Indicates the number of bytes.
~
RG
B
Operation
LH
Indicates the number of cycles.
See Table B.2a for the alphabetical letters in items.
Indicates the number of times a register access is performed during
instruction execution.
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.
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 bits 15 to 08 of the accumulator.
Z: Transfers 0.
X: Transfers after sign extension.
-: No transfer
Indicates the special operation for the 16 high-order bits of the
accumulator.
AH
*: Transfers from AL to AH.
-: No transfer
Z: Transfers 00 to AH.
X: Transfers 00H or FFH to AH after AL sign extension.
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