Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Bedienungsanleitung PDF herunterladen (Seite 156)

7 DETAILS OF INSTRUCTIONS

148

EPSON

S1C33 FAMILY C33 PE CORE MANUAL

rl %rd, %rs

Function

Rotate to the left

Standard) Rotate the content of rd to the left as many bits as specified by rs (0 to 31),

LSB

← MSB

Extension 1) Unusable

Extension 2) Unusable

Code

15 12 11 8 7 4 3 0

1 0 0 1 1 1 0 1

r s r d

0x9D__

Flag

IE C V Z N

– – –

↔ ↔

Mode

Src: Register direct %rs = %r0 to %r15

Dst: Register direct

%rd = %r0 to %r15

CLK

One cycle

Description

(1) Standard

The rd register is rotated as shown in the diagram below. The number of bits to be shifted can

be specified in the range of 0 to 31 by the 5 low-order bits of the rs register. The value in the

most significant bit of the rd register is placed in the least significant bit.

rd register

(after execution)

(2) Delayed instruction

This instruction may be executed as a delayed instruction by writing it directly after a branch

instruction with the “d” bit included.

1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 180 181

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Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Bedienungsanleitung Seite 156