GMS82512 datasheet(99/110 Pages) HYNIX

99 / 110 page

GMS81508B/16B/24B, GMS82512/16/24

MAY. 2001 Ver 2.0

CBNE dp,rel

5/7

Compare and branch if not equal ;

- - - - - - - -

CBNE dp + X,

rel

6/8

If A

≠ (M), then PC ← PC + rel.

CLR1 dp.bit

Clear bit : (M.bit)

← “0”

- - - - - - - -

CLR1A A.bit

Clear A.bit : (A.bit)

← “0”

- - - - - - - -

CLRC

Clear C-flag : C

← “0”

- - - - - - - 0

CLRG

Clear G-flag : G

← “0”

- - 0 - - - - -

CLRV

Clear V-flag : V

← “0”

- 0 - - 0 - - -

CMP #imm

Compare accumulator contents with memory contents

N - - - - - ZC

CMP dp

A - (M)

CMP dp + X

CMP !abs

CMP !abs + Y

CMP [dp + X]

CMP [dp] + Y

CMP {X}

CMPW dp

Compare YA contents with memory pair contents :

N - - - - - ZC

YA - (dp+1)(dp)

CMPX #imm

Compare X contents with memory contents

N - - - - - ZC

CMPX dp

X - (M)

CMPX !abs

CMPY #imm

Compare Y contents with memory contents

N - - - - - ZC

CMPY dp

Y - (M)

CMPY !abs

COM dp

1’s complement : (dp)

← (dp)

N - - - - - Z -

DAA

Decimal adjust for addition

N - - - - - ZC

DAS

Decimal adjust for substraction

N - - - - - ZC

DBNE dp,rel

5/7

Decrement and branch if not equal :

- - - - - - - -

DBNE Y,rel

4/6

if (M)

≠ 0, then PC ← PC + rel.

DEC A

Decrement

N - - - - - Z -

DEC dp

← M - 1

DEC dp + X

DEC !abs

DEC X

DEC Y

DECW dp

Decrement memory pair : (dp+1)(dp)

← {(dp+1)(dp)} - 1 N - - - - - Z -

Disable interrupts : I

← “0”

- - - - - 0 - -

DIV

Divide : YA

÷A→Q:A, R:Y

NV - - H - Z -

Enable interrupts : I

← “1”

- - - - - 1 - -

EOR #imm

Exclusive OR

N - - - - - Z -

EOR dp

← A ⊕ (M)

EOR dp + X

EOR !abs

EOR !abs + Y

EOR [ dp + X]

EOR [dp] + Y

EOR {X}

EOR1 M.bit

Bit exclusive-OR C-flag : C

← C ⊕ (M.bit)

- - - - - - - C

EOR1B M.bit

Bit exclusive-OR C-flag and NOT : C

← C ⊕ (M.bit)

- - - - - - - C

INC A

Increment

N - - - - - ZC

NO.

MNENONIC

CODE

BYTE

NO.

CYCLE

OPERATION

FLAG

NVGBHIZC

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