Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manual do Utilizador descarregar pdf (Página 109)

7 DETAILS OF INSTRUCTIONS

S1C33 FAMILY C33 PE CORE MANUAL

EPSON

101

ld.c imm4, %rs

Function

Transfer data to the coprocessor

Standard) W[CA(

imm4)] ← rs(7:0)

Extension 1) Unusable

Extension 2) Unusable

Code

15 12 11 8 7 4 3 0

1 0 1 1 0 1 0 1

imm4 r s

0xB5__

Flag

IE C V Z N

– – – – –

Mode

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

Dst: Immediate (unsigned)

CLK

One cycle

Description

(1) Standard

The contents of the general-purpose register rs is transferred to the coprocessor register

specified by

imm4. imm4 is output to the dedicated coprocessor address bus.

(2) Delayed instruction

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

instruction with the “d” bit.

Example

ld.c 0x5,%r2 ; coprocessor reg5 ← r2

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 180 181

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Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manual do Utilizador Página 109