D17133CS datasheet(232/289 Pages) NEC

232 / 289 page

CHAPTER 18

INSTRUCTION SET

217

<3> Example 1

Jumps to AAA, if bit 0 in address 03H is 1; if it is 0, jumps to BBB:

SKT

03H, #0001B

BBB

AAA

Example 2

Skips the next instruction, if both bits 0 and 1 in address 03H are 1.

SKT

03H, #0011B

Skip condition 03H

××

× : don't care

Example 3

The results of executing the following two instructions are the same:

SKT

13H, #1111B

SKE

13H, #0FH

(2)

SKF m, #n

Skip next instruction if data memory bits are false

<1> OP code

11111

<2> Function

CMP

← 0, if (m)

n=0, then skip

Skips the next one instruction, if the result of ANDing the data memory contents and immediate data n is

0 (Executes as NOP instruction).

<3> Example 1

Stores immediate data 00H to address 0FH in the data memory content, if bit 2 in address 13H is 0; if it is

1, jumps to ABC:

MEM013

MEM

0.13H

MEM00F

MEM

0.0FH

SKF

MEM013, #0100B

ABC

MOV

MEM00F, #00H

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