ORG0000H定义程序开始地址LJMPMAIN初始化复位入口ORG0003H定义MAIN起始地址为0003HLJMPPINT0ORG000BHLJMPINTT0初始化中断入口ORG0013HLJMPPINT1ORG0030HMAIN主程序
MOVSP60H把立即数0x60植入SPMOVTMOD01H送立即数01H到定时器的寄存器MOVTL00e0H送立即数0e0H到定时计数器0的低8位MOVTH00b1H送立即数0b1H到定时计数器0的高8位MOVIE87H送立即数0x87到中端允许寄存器MOV30H01H时十位MOV31H02H时个位MOV32H0AH光标点位MOV33H00H分十位MOV34H00H分个位MOV35H00H秒十位MOV36H00H秒个位SETBIT0外部中断0中断触发方式选择位，为0是低电平触发，为1是下降沿
触发SETBIT1触发SETBPT0SETBTR0定时计数器0开始运行LOOP0LCALLDISPLJMPLOOP0INTT0MOVTL00e0HMOVTH00b1HPUSHACCPUSHPSWINC36HMOVA36HCJNEA25PLLMOV32H0BHPLLCJNEA50ENDDMOV32H0AHMOV36H00H外部中断1中断触发方式选择位，为0是低电平触发，为1是下降沿
1S
fINC35HMOVA35HCJNEA60ENDdMOV35H00HINC34HMOVA34HCJNEA0AHENDdMOV34H00HINC33HMOVA33HCJNEA06HENDdMOV33H00HINC31HMOVA30HCJNEA02HEND1MOVA31HCJNEA04HEND1MOV31H00HMOV30H00HMOVA31HCJNEA0AHENDdMOV31H00HINC30HPOPPSWPOPACCRETI
分个位
分个位
分十位
时个位
END1
时个位
ENDd
PUSHACCPUSHPSWMOVA30H显示要显示的数字MOVB08HMULABMOV3BHAMOVR400HMOVR508HLOOP00MOVA3BHMOVDPTRTABEMOVCAADPTRMOVP2R4MOVP0AMOVP10FEH
DISP
fINC3BHINCR4LCALLDELAYDJNZR5LOOP00MOVA31H显示要显档的数字MOVB08HMULABMOV3BHAMOVR400HMOVR508HLOOP11MOVA3BHMOVDPTRTABEMOVCAADPTRMOVP2R4MOVP0AMOVP10FDHINC3BHINCR4LCALLDELAYDJNZR5LOOP11MOVA32H显示要显档的数字MOVB08HMULABMOV3BHAMOVR400HMOVR508HLOOP22MOVA3BHMOVDPTRTABEMOVCAADPTRMOVP2R4MOVP0AMOVP10FBHINC3BHINCR4LCALLDELAYDJNZR5LOOP22
MOVA33HMOVB08HMULABMOV3BHA
显示要显档的数字
fMOVR400HMOVR508HLOOP33MOVA3BHMOVDPTRTABEMOVCAADPTRMOVP2R4MOVP0AMOVP10F7HINC3BHINCR4LCALLDELAYDJNZR5LOOP33
MOVA34H显示要显档的数字MOVB08HMULABMOV3BHAMOVR400HMOVR508HLOOP44MOVA3BHMOVDPTRTABEMOVCAADPTRMOVP2R4MOVP0AMOVP10EFHINC3BHINCR4LCALLDELAYDJNZR5LOOP44POPPSWPOPACCRETDELAYMOV37H50DELMOV38H4DJNZ38HDJNZ37HDELRET
TABE
0DB00H18H24H24H24H24H18H00H1
fDB00H10H30H10H10H10H38H00H2DB00H18H24H04H18H20H3CH00H3DB00H18H24H18H04H24H18H00H4DB00H08H18H28H7CH08H08H00H5DB00H1CH10H18H04H24H18H00H6DB00H18H24H38H24H24H18H00H7DB00H3CH28H08H10H10H10H00H8DB00H18H24Hr