用mips汇编语言编写一个程序 急用!! 题目:实现一个光照强度可控的手电筒

2025-06-28 21:36:46
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回答1:

KEYEQUP1.0KVALEQU30HORG0000HLJMPMAINORG0030HMAIN:MOVB,#0FEHMOVKVAL,#0LP:LCALLKEYSCANMOVA,KVALDECAJNZLP0MOVP0,#0SJMPLPLP0:JNZLP1MOVP0,#0FFHLP1:DECAJNZLP2MOVP0,BLCALLDELAYMOVA,BRLAMOVB,ALP2:SJMPLPKEYSCAN:JBKEY,KRTNJNBKEY,$INCKVALMOVA,KVALCJNEA,#3,KS1KS1:JCKRTNMOVKVAL,#0KRTN:RETDELAY:MOVR2,#100D1:MOVR3,#250DJNZR3,$DJNZR2,D1RETEND