no5.asm

吉林大学计算机学院控制实验的几个必做实验的源代码(大四)~

ORG  0000H
LJMP STRT
ORG  0BH
LJMP TT
STRT:MOV  IE,#82H
     MOV  TMOD,#01
     MOV  TH0,#87H
     MOV  TL0,#2EH
     SETB TR0
     MOV  R4,#16
     MOV  R0,#0
     MOV  SCON,#00H
     MOV  P1,0FEH
     MOV  DPTR,#ZENG
     MOV  R2,#0FEH
     MOV  R6,#0H
C1:  CJNE R0,#28,B1
     MOV  R0,#0
     MOV  R2,#7FH
B1:  MOV  R1,#4
A1:  MOV  A,R0
     MOVC A,@A+DPTR
     MOV  SBUF,A
     JNB  TI,$
     CLR  TI
     INC  R0
     DJNZ R1,A1
     MOV  A,R2
     RL   A
     MOV  R2,A
     MOV  P1,R2
     MOV  R5,#0FFH
     DJNZ R5,$
     CJNE R4,#0,C1
     MOV  R4,#16
     CJNE R6,#0,M1
     MOV  R6,#1
     MOV  DPTR,#KAI
     LJMP C1
M1:  MOV  DPTR ,#ZENG
     MOV  R6,#0
     LJMP C1
SUN: DB 82H,08H,10H,0FFH 
     DB 10H,08H,10H,02H
     DB 90H,48H,10H,04H
     DB 50H,28H,10H,08H
     DB 30H,18H,10H,08H
     DB 10H,08H,54H,08H
     DB 00H,00H,82H,0FFH
DAN: DB 10H,04H,0F0H,07H
     DB 10H,08H,10H,04H
     DB 90H,08H,10H,05H
     DB 50H,10H,90H,04H
     DB 30H,10H,50H,04H
     DB 10H,20H,0FEH,3FH
     DB 00F,00F,10H,40H
TT:  MOV  TH0,#87H
     MOV  TL0,#2EH
     DEC  R4
     RETI
END
END