7480 datasheet(327/337 Pages) RENESAS

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Addressing mode

Symbol

Function

Details

IMP

IMM

BIT, A

BIT, ZP

OP n# OP n# OP n# OP n# OP n#

OP n

3-62

3.6 Machine Instructions

7480 Group and 7481 Group User's Manual

APPENDICES

Stores the contents of accumulator in memory.

Stops the oscillator.

Stores the contents of index register X in

memory.

Stores the contents of index register Y in

memory.

Transfers the contents of the accumulator to

index register X.

Transfers the contents of the accumulator to

index register Y.

Tests whether the contents of memory are “0”

or not.

Transfers the contents of the stack pointer to

index register X.

Transfers the contents of index register X to

the accumulator.

Transfers the contents of index register X to

the stack pointer.

Transfers the contents of index register Y to

the accumulator.

Stops the internal clock.

STA

STP

STX

STY

TAX

TAY

TST

TSX

TXA

TXS

TYA

WIT

← A

← X

← Y

← A

M = 0?

← S

← X

← Y

Notes 1 : The number of cycles “n” is increased by 3 when T is 1.

2 : The number of cycles “n” is increased by 2 when T is 1.

3 : The number of cycles “n” is increased by 1 when T is 1.

4 : The number of cycles “n” is increased by 2 when branching has occurred.

5 : N, V, and Z flags are invalid in decimal operation mode.

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