Fujitsu 8FX User Manual

MB95630H Series
612 FUJITSU SEMICONDUCTOR LIMITED MN702-00009-2v0-E
APPENDIX A Instruction Overview
■ Meanings of Items in Instruction Table
Table A-2 Meanings of Items in Instruction Table
Item Meaning
MNEMONIC It shows the assembly description of the instruction.
~
It shows the number of cycles of the instruction. One instruction cycle is a
machine cycle.
Note:
The number of cycles of the instruction can be delayed by 1 cycle by the
immediately preceding instruction. Moreover, the number of cycles of the
instruction might be extended in the access to the I/O area.
# It shows the number of bytes for the instruction.
Operation It shows the operations for the instruction.
TL, TH, AH
They show the change (auto forwarding from A to T) in the content when
each TL, TH, and AH instruction is executed. The sign in the column
indicates the followings respectively.
• -: No change
• dH: upper 8 bits of the data described in operation.
• AL and AH: the contents become those of the immediately preceding
instruction's AL and AH.
• 00: Become 00
N, Z, V, C
They show the instruction into which the corresponding flag is changed
respectively. The sign in the column shows the followings respectively.
• -: No change
• +: Change
• R: Become "0"
• S: Become "1"
OP CODE
It shows the code of the instruction. When a pertinent instruction occupies
two or more codes, it follows the following description rules.
[Example] 48 to 4F: This shows 48, 49....4F.

Fujitsu 8FX Specifications

General

Brand	Fujitsu
Model	8FX
Category	Computer Hardware
Language	English