CDP1802A Просмотр технического описания (PDF) - Intersil

Номер в каталоге

Компоненты Описание

производитель

CDP1802A

CMOS 8-Bit Microprocessors

Intersil 

CDP1802A, CDP1802AC, CDP1802BC

TABLE 1. INSTRUCTION SUMMARY (SEE NOTES) (Continued)

INSTRUCTION

SHORT BRANCH IF EF1 = 1 (EF1 = VSS)

SHORT BRANCH IF EF1 = 0 (EF1 = VCC)

SHORT BRANCH IF EF2 = 1 (EF2 = VSS)

SHORT BRANCH IF EF2 = 0 (EF2 = VCC)

SHORT BRANCH IF EF3 = 1 (EF3 = VSS)

SHORT BRANCH IF EF3 = 0 (EF3 = VCC)

SHORT BRANCH IF EF4 = 1 (EF4 = VSS)

SHORT BRANCH IF EF4 = 0 (EF4 = VCC)

BRANCH INSTRUCTIONS - LONG BRANCH

LONG BRANCH

NO LONG BRANCH (See LSKP)

LONG BRANCH IF D = 0

LONG BRANCH IF D NOT 0

LONG BRANCH IF DF = 1

LONG BRANCH IF DF = 0

LONG BRANCH IF Q = 1

LONG BRANCH lF Q = 0

SKIP INSTRUCTIONS

SHORT SKIP (See NBR)

LONG SKIP (See NLBR)

LONG SKIP IF D = 0

LONG SKIP IF D NOT 0

LONG SKIP IF DF = 1

LONG SKIP IF DF = 0

LONG SKIP lF Q = 1

LONG SKIP IF Q = 0

LONG SKIP IF lE = 1

CONTROL INSTRUCTIONS

IDLE

NO OPERATION

SET P

SET X

SET Q

MNEMONIC

B1

BN1

B2

BN2

B3

BN3

B4

BN4

OP

CODE

34

3C

35

3D

36

3E

37

3F

OPERATION

IF EF1 =1, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF1 = 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF2 = 1, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF2 = 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF3 = 1, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF3 = 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF4 = 1, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

IF EF4 = 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

LBR

NLBR

LBZ

LBNZ

LBDF

LBNF

LBQ

LBNQ

C0 M(R(P)) → R(P). 1, M(R(P) + 1) → R(P).0

C8 R(P) = 2 → R(P)

(Note 2)

C2 lF D = 0, M(R(P)) → R(P).1, M(R(P) +1) → R(P).0,

ELSE R(P) + 2 → R(P)

CA IF D Not 0, M(R(P)) → R(P).1, M(R(P) + 1) → R(P).0, ELSE

R(P) + 2 → R(P)

C3 lF DF = 1, M(R(P)) → R(P).1, M(R(P) + 1) → R(P).0, ELSE

R(P) + 2 → R(P)

CB IF DF = 0, M(R(P)) → R(P).1, M(R(P) + 1) → R(P).0, ELSE

R(P) + 2 → R(P)

C1 IF Q = 1, M(R(P)) → R(P).1, M(R(P) + 1) → R(P).0,

ELSE R(P) + 2 → R(P)

C9 lF Q = 0, M(R(P)) → R(P).1, M(R(P) + 1) → R(P).0

EISE R(P) + 2 → R(P)

SKP

LSKP

LSZ

LSNZ

LSDF

LSNF

LSQ

LSNQ

LSlE

38 R(P) + 1 → R(P)

(Note 2)

C8 R(P) + 2 → R(P)

(Note 2)

CE IF D = 0, R(P) + 2 → R(P), ELSE CONTINUE

C6 IF D Not 0, R(P) + 2 → R(P), ELSE CONTINUE

CF IF DF = 1, R(P) + 2 → R(P), ELSE CONTINUE

C7 IF DF = 0, R(P) + 2 → R(P), ELSE CONTINUE

CD IF Q = 1, R(P) + 2 → R(P), ELSE CONTINUE

C5 IF Q = 0, R(P) + 2 → R(P), ELSE CONTINUE

CC IF IE = 1, R(P) + 2 → R(P), ELSE CONTINUE

lDL

NOP

SEP

SEX

SEQ

00 WAIT FOR DMA OR INTERRUPT; M(R(0)) → BUS

(Note 3)

C4 CONTINUE

DN N → P

EN N → X

7B 1 → Q

3-25

Share Link: