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1、篮球赛计时计分器程序源代码ORG0000HAJMPLK1ORG000BHAJMPCTCOORG0013HAJMPCXTLK1:MOV33H,#00HMOV35H,#00HMOV36H,#00HMOV37H,#00HMOV38H,#00HMOV40H,#00HMOV41H,#00HCLRP0.0CLRP2.0CLRP2.1CLRP2.2CLRP2.3MOVP1,#00HNOPNOPSETBP2.0SETBP2.1SETBP2.2SETBP2.3MOV42H,#05HMOV43H,#09HMOVSCON,#00HCLRP3.7MOVR1,#33HMOVR2,#06HLP:MOVA,@R
2、1MOVDPTR,#TABMOVCA,@A+DPTRMOVSBUF,AJNBTI,$CLRTIINCR1DJNZR2,LPSETBP3.7LK3:JBP2.4,LK6ACALLD10MSJBP2.4,LK3ACALLD2SLK4:JBP2.4,LK3CLRP2.0ACALLD2SINC40HMOVA,40HKP11:JBP2.6,KP11AJMPKP12P3:DEC42HAJMPNEXTLP1:DEC40HAJMPNEXTLP2:DEC41HNEXT:MOVTL0,#0B0HMOVTH0,#3CHRETIKP12:MOVA,33HXCHA,36HMOV33H,AMOVA,34HXC
3、HA,37HMOV34H,AMOVA,35HXCHA,38HMOV35H,AAJMPMPCXT:JNBP3.5,KP1JNBP3.4,KP2JNBP0.2,KP3JNBP0.1,KP4AJMPKPKP1:JNC36HMOVA,36HCJNEA,#0AH,KP5MOV36H,#00HINC37HMOVA,37HCJNEA,#0AH,KP5MOV36H,#00HINC37HMOVA,37HCJNEA,#0AH,KP5LOOP2:DJNZR5,LOOP2DJNZR6,LOOP3DJNZR7,D10MSDJNZR3,D200MSDJNZ50H,D2SRET