4282 datasheet(46/69 Pages) RENESAS

46 / 69 page

Instruction code

Function

Mnemonic

Hexadecimal

notation

Parameter

Type of

instructions

D8 D7 D6 D5 D4 D3 D2 D1 D0

Rev.1.33

Mar 18, 2004

page 46 of 67

4282 Group

LA n

TABP p

AMC

A n

SZC

CMA

RAR

LGOP

(A)

← n

n = 0 to 15

(SK(SP))

← (PC)

(SP)

← (SP) + 1

(PCH)

← p, p=0 to 7 (Note)

(PCL)

← (DR2–DR0, A3–A0)

When URS=0,

(B)

← (ROM(PC))7 to 4

(A)

← (ROM(PC))3 to 0

When URS=1,

(CY)

← (ROM(PC))8

(B)

← (ROM(PC))7 to 4

(A)

← (ROM(PC))3 to 0

(SP)

← (SP) – 1

(PC)

← (SK(SP))

(A)

← (A) + (M(DP))

(A)

← (A) + (M(DP))+ (CY)

(CY)

← Carry

(A)

← (A) + n

n = 0 to 15

(CY)

← 1

(CY)

← 0

(CY) = 0 ?

(A)

← (A)

→ CY → A3A2A1A0

Logic operation instruction XOR, OR, AND

01011n3 n2 n1 n0

01001p3 p2 p1 p0

000001010

000001011

01010n3 n2 n1 n0

000000111

000000110

000101111

000011100

000011101

001000001

MACHINE INSTRUCTIONS (CONTINUED)

Note: p is 0 to 7 for M34282M1, p is 0 to 15 for M34282M2/E2.

4282 Datasheet(PDF) 46 Page - Renesas Technology Corp

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