UFO007 发表于 2019-5-16 17:38:24

请教点阵的问题

点阵的问题，程序是用汇编写的，可以用Pro模拟出来，但是烧录在板子上显示不出来板子是at89c52的

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UFO007 发表于 2019-5-16 17:39:26

程序如下：
ORG 0000H
JMP MAIN
ORG 000BH //外部中断0入口
JMP INT_0
                        //中断程序
MAIN:
MOV TMOD,#01H
MOV TH0,#0E7H
MOV TL0,#96H

SETB EA                //中断总开关
SETB ET0
SETB TR0
MOV DPTR,#TAB
MOV R0,#0
MOV P2,#7FH
MOV A,R0
MOVC A,@A+DPTR
MOV P3,A
JMP $

INT_0:
MOV TH0,#0E7H
MOV TL0,#96H       
MOV        A,P2
RR A
MOV P2,A
INC R0
MOV A,R0
MOVC A,@A+DPTR
MOV P3,A
CJNE R0,#8,OK
MOV R0,#0
MOV P2,#7FH
MOV DPTR,#TAB
MOV A,R0
MOVC A,@A+DPTR
MOV P3,A
OK:
RETI
TAB:
db 00H,6CH,82H,92H,00H,44H,28H,10H
END

UFO007 发表于 2019-5-16 17:48:33

板子上的样子是这样的

admin 发表于 2019-5-17 08:25:10

UFO007 发表于 2019-5-16 17:48
板子上的样子是这样的

汇编代码表示不懂:)，我们采用的都是C开发

UFO007 发表于 2019-6-9 20:48:26

admin 发表于 2019-5-17 08:25
汇编代码表示不懂，我们采用的都是C开发

哇，好难受
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