Fujitsu F2MC-8FX ユーザーズマニュアル

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APPENDIX  

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Table A.1-1 explains the sign used by describing the instruction code in the table.

Notation

Meaning

dir

Direct address (8 bits)

off

Offset (8 bits)

ext

Extended address (16 bits)

#vct

Vector table number (3 bits)

#d8

Immediate data (8 bits)

#d16

Immediate data (16 bits)

dir:b

Bit direct address (8 bits: 3 bits)

rel

Relative branch address (8 bits)

@

Register indirect (example: @A, @IX, @EP)

A

Accumulator (8-bit or 16-bit length is determined by instruction to be used.)

AH

Upper 8 bits of accumulator (8 bits)

AL

Lower 8 bits of accumulator (8 bits)

T

Temporary accumulator (8-bit or 16-bit length is determined by instruction to be used.)

TH

Upper 8 bits of temporary accumulator (8 bits)

TL

Lower 8 bits of temporary accumulator (8 bits)

IX

Index register (16 bits)

EP

Extra pointer (16 bits)

PC

Program counter (16 bits)

SP

Stack pointer (16 bits)

PS

Program status (16 bits)

dr

Accumulator or index register (16 bits)

CCR

Condition code register (8 bits)

RP

Register bank pointer (5 bits)

DP

Direct bank pointer (3 bits)

Ri

General-purpose register (8 bits, i = 0 to 7)

X

X indicates immediate data. (8-bit or 16-bit length is determined by instruction to be used.)

(X)

The contents of X are to be accessed. (8-bit or 16-bit length is determined by instruction to be used.)

((X))

The address indicated by the contents of X is to be accessed. (8-bit or 16-bit length is determined by 
instruction to be used.)