三．程序清单及程序流程框图ORG0000HLJMPMAINMAIN:MOVR0,#30HMOVR2,#10HCLRAA1:MOV@R0,AINCR0INCADJNZR2,A1MOVR0,#30HMOVR1,#40HMOVR2,#10HA2:MOVA,@R0MOV@R1,AINCR0INCR1DJNZR2,A2MOVR1,#40HMOVDPTR,#4800HMOVR2,#10HA3:MOVA,@R1MOVX@DPTR,AINCR1INCDPTRDJNZR2,A3MOVSP,#60HMOVR2,#10HMOVDPTR,#4800HPUSHDPLPUSHDPHMOVDPTR,#5800HMOVR3,DPLMOVR4,DPHA4:POPDPHPOPDPLMOVXA,@DPTRINCDPTRPUSHDPLPUSHDPHMOVDPL,R3MOVDPH,R4MOVX@DPTR,AINCDPTRMOVR3,DPLMOVR4,DPHDJNZR2,A4MOVR0,#50HMOVDPTR,#5800HMOVR2,#10HA5:MOVXA,@DPTRMOV@R0,AINCR0INCDPTRDJNZR2,A5POPDPHPOPDPLHERE:LJMPHEREEND三．实验电路D1D1D2D3D4D5D6D7D8D2D3D4D5D6D7D8XTAL218XTAL119ALE30EA31PSEN29RST9P0.0/AD039P0.1/AD138P0.2/AD237P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.7/RD17P3.6/WR16P3.5/T115P2.7/A1528P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427U1AT89C51D1LED-REDD2LED-REDD3LED-REDD4LED-REDD5LED-REDD6LED-REDD7LED-REDD8LED-REDBUZ1BUZZERQ1MPSA93R1470R四．程序清单及流程图程序一ORG0000HLJMPMAINORG000BHLJMPIPTOMAIN:MOVSP,#30HMOVTMOD,#01HCLR00HSETBEASETBET0MOVTH0,#3CHMOVTL0,#0B0HMOVR1,#14HSETBTR0MOVA,#0feHMOVP1,ANT:JNB00H,NTRLAMOVP1,ACLR00HLJMPNTIPTO:MOVTH0,#3CHMOVTL0,#0B0HDJNZR1,TIOMOVR1,#14HSETB00HTIO:RETIEND程序二只需将程序一中“RLA”改为“RRA”即可实现其功能。程序三ORG0000HLJMPMAINORG000BHLJMPIPTOMAIN:MOVSP,#30HMOVTMOD,#01HCLR00HSETBEASETBET0MOVTH0,#3CHMOVTL0,#0B0HMOVR2,#0AHMOVR1,#02HSETBTR0MOVA,#0feHMOVP1,ANT:SETBP3.0NT0:JNB01H,NT0CLRP3.0CLR01HNT1:JNB00H,NT1CLR01HRLAMOVP1,ACLR00HLJMPNTIPTO:MOVTH0,#3CHMOVTL0,#0B0HDJNZR2,TIOMOVR2,#0AHSETB01HDJNZR1,TIOMOVR1,#02HSETB00HTIO:RETIEND程序四（思考题程序）ORG0000HLJMPMAINORG000BHLJMPIPTOMAIN:MOVSP,#30HMOVP1,#0ffHMOVTMOD,#01HCLR00HSETBEASETBET0MOVTH0,#3CHMOVTL0,#0B0HMOVR1,#14HSETBTR0MOVA,#00HNT:JNB00H,NTINCAMOVR3,ACPLAMOVP1,ACLR00HMOVA,R3LJMPNTIPTO:MOVTH0,#3CHMOVTL0,#0B0HDJNZR1,TIOMOVR1,#14HSETB00HTIO:RETIEND三．电路原理图XTAL218XTAL119ALE30EA31PSEN29RST9P0.0/AD039P0.1/AD138P0.2/AD237P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.7/RD17P3.6/WR16P3.5/T115P2.7/A1528P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427U1AT89C51ABCD四.程序清单及流程图程序一ORG0000HLJMPMAINMAIN:MOVTMOD,#02HMOVTH0,#9CHMOVTL0,#9CHSETBTR0SETBP1.0HERE:JNBTF0,HERECPLP1.0CLRTF0LJMPHEREEND程序二ORG0000HLJMPMAINORG000BHLJMPIPTOMAIN:MOVSP,#60HMOVTMOD,#02HMOVIE,#82HMOVTH0,#88HMOVTL0,#88HSETBTR0SETBP1.1HERE:LJMPHEREIPTO:CPLP1.1RETIEND程序三（思考题）ORG0000HLJMPMAINMAIN:MOVTMOD,#11HMOVTH0,#0FEHMOVTL0,#0D4HMOVTH1,#0FFHMOVTL1,#38HSETBTR1SETBP1.0HERE:JNBTF1,HERECPLP1.0SETBTR0CLRTF1CLRTR1MOVTH1,#0FFHMOVTL1,#38HHERE1:JNBTF0,HERE1CPLP1.0SETBTR1CLRTF0CLRTR0MOVTH0,#0FEHMOVTL0,#0D4HLJMPHEREEND五.实验结果周期为200us方波周期为240us方波周期为500us占空比为2:5的方波三、电路原理图XTAL218XTAL119ALE30EA31PSEN29RST9P0.0/AD039P0.1/AD138P0.2/AD237P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.7/RD17P3.6/WR16P3.5/T115P2.7/A1528P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427U1AT89C51ABCDU1(P3.4/T0)1k四、程序清单及流程图程序1：ORG0000HLJMPMAINMAIN:MOVTMOD,#06HMOVTH0,#9CHMOVTL0,#9CHSETBTR0HERE:JNBTF0,HERECPLP1.0CLRTF0LJMPHEREEN...
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