7733 datasheet(594/940 Pages) RENESAS

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APPENDIX

7733 Group User’s Manual

21–46

Symbol

Functions

Details

IMP

IMM

DIR

DIR,b

DIR,X

DIR,Y

(DIR)

(DIR,X)

(DIR),Y

op n

Addressing modes

Compares the contents of the index register X with the

contents of the memory.

Compares the contents of the index register Y with the

contents of the memory.

Decrements the contents of the accumlator or memory by

Decrements the contents of the index register X by 1.

Decrements the contents of the index register Y by 1.

The numeral that places the contents of accumlator B to the higher

order and the contents of accumulator A to the lower order is divided

by the contents of the memory. The quotient is entered into accumula-

tor A and the remainder into accumulator B.

Logical exclusive sum is obtained of the contents of the

accumulator and the contents of the memory. The result is

placed into the accumulator.

Increments the contents of the accumulator or memory by

Increments the contents of the index register X by 1.

Increments the contents of the index register Y by 1.

Places a new address into the program counter and jumps

to that new address.

X–M

Y–M

ACC

←ACC–1 or

←M–1

←X–1

←Y–1

A(quotient)

←B,A/M

B(remainder)

ACC

←ACC∨M

ACC

←ACC+1 or

←M+1

←X+1

←Y+1

ABS

PCL

←ADL

PCH

←ADH

ABL

PCL

←ADL

PCH

←ADH

←ADG

(ABS)

PCL

←(ADH, ADL)

PCH

←(ADH,ADL+1)

L(ABS)

PCL

←(ADH, ADL)

PCH

←(ADH, ADL+1)

←(ADH, ADL+2)

(ABS, X)

PCL

←(ADH, ADL+X)

PCH

←(ADH, ADL+X

+1)

ABS

M(S)

←PCH

←S–1

M(S)

←PCL

←S–1

PCL

←ADL

PCH

←ADH

ABL

M(S)

←PG

←S–1

M(S)

←PCH

←S–1

M(S)

←PCL

←S–1

PCL

←ADL

PCH

←ADH

←ADG

(ABS, X)

M(S)

←PCH

←S–1

M(S)

←PCL

←S–1

PCL

←(ADH, ADL+X)

PCH

←(ADH, ADL+X

+1)

CPX

(Note 2)

CPY

(Note 2)

DEC

(Note 1)

DEX

DEY

DIV

(Notes 2,10)

EOR

(Notes 1,2)

INC

(Note 1)

INX

JMP

INY

JSR

Saves the contents of the program counter (also the con-

tents of the program bank register for ABL) into the stack,

and jumps to the new address.

op nn

op n

E4 42

C4 4 2

1A 21

C6 72

29 3

30 3

31 3 89

32 3 89

33 3

49 2

45 42

55 52

72 51 82

83 42

10 3

3A 21

E6 77

C8 21

###

Appendix 6. Machine instructions

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