CDP1802A Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

производитель

CDP1802A

CMOS 8-Bit Microprocessors

Intersil 

CDP1802A, CDP1802AC, CDP1802BC

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

INSTRUCTION

EXCLUSIVE OR

EXCLUSIVE OR IMMEDIATE

AND

AND IMMEDIATE

SHIFT RIGHT

SHIFT RIGHT WITH CARRY

MNEMONIC

XOR

XRI

AND

ANl

SHR

SHRC

RING SHIFT RIGHT

RSHR

SHIFT LEFT

SHIFT LEFT WITH CARRY

SHL

SHLC

RING SHIFT LEFT

RSHL

ARITHMETIC OPERATIONS (Note 1)

ADD

ADD IMMEDIATE

ADD WITH CARRY

ADD WITH CARRY, IMMEDIATE

SUBTRACT D

SUBTRACT D IMMEDIATE

SUBTRACT D WITH BORROW

SUBTRACT D WITH BORROW, IMMEDIATE

SUBTRACT MEMORY

SUBTRACT MEMORY IMMEDIATE

SUBTRACT MEMORY WITH BORROW

SUBTRACT MEMORY WITH BORROW, IMMEDI-

ATE

BRANCH INSTRUCTIONS - SHORT BRANCH

SHORT BRANCH

NO SHORT BRANCH (See SKP)

ADD

ADl

ADC

ADCl

SD

SDl

SDB

SDBl

SM

SMl

SMB

SMBl

BR

NBR

SHORT BRANCH IF D = 0

SHORT BRANCH IF D NOT 0

SHORT BRANCH IF DF = 1

SHORT BRANCH IF POS OR ZERO

SHORT BRANCH IF EQUAL OR GREATER

SHORT BRANCH IF DF = 0

SHORT BRANCH IF MINUS

SHORT BRANCH IF LESS

SHORT BRANCH IF Q = 1

SHORT BRANCH IF Q = 0

BZ

BNZ

BDF

BPZ

BGE

BNF

BM

BL

BQ

BNQ

OP

CODE

OPERATION

F3 M(R(X)) XOR D → D

FB M(R(P)) XOR D → D; R(P) + 1 → R(P)

F2 M(R(X)) AND D → D

FA M(R(P)) AND D → D; R(P) + 1 → R(P)

F6 SHIFT D RIGHT, LSB(D) → DF, 0 → MSB(D)

76 SHIFT D RIGHT, LSB(D) → DF, DF → MSB(D)

(Note 2)

76 SHIFT D RIGHT, LSB(D) → DF, DF → MSB(D)

(Note 2)

FE SHIFT D LEFT, MSB(D) → DF, 0 → LSB(D)

7E SHIFT D LEFT, MSB(D) → DF, DF → LSB(D)

(Note 2)

7E SHIFT D LEFT, MSB(D) → DF, DF → LSB(D)

(Note 2)

F4 M(R(X)) + D → DF, D

FC M(R(P)) + D → DF, D; R(P) + 1 → R(P)

74 M(R(X)) + D + DF → DF, D

7C M(R(P)) + D + DF → DF, D; R(P) + 1 → R(P)

F5 M(R(X)) - D → DF, D

FD M(R(P)) - D → DF, D; R(P) + 1 → R(P)

75 M(R(X)) - D - (NOT DF) → DF, D

7D M(R(P)) - D - (Not DF) → DF, D; R(P) + 1 → R(P)

F7 D-M(R(X)) → DF, D

FF D-M(R(P)) → DF, D; R(P) + 1 → R(P)

77 D-M(R(X))-(NOT DF) → DF, D

7F D-M(R(P))-(NOT DF) → DF, D; R(P) + 1 → R(P)

30 M(R(P)) → R(P).0

38 R(P) + 1 → R(P)

(Note 2)

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

3A IF D NOT 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

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

(Note 2)

3B IF DF = 0, M(R(P)) → R(P).0, ELSE R(P) + 1 → R(P)

(Note 2)

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

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

3-24

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