da.asm

信号AD转换程序 信号AD转换程序 内容不多

ORG 0000H
AJMP MAIN
ORG 0100H
MAIN:MOV SP,#53H
     CLR A
     MOV DPTR,#0B000H
LOOP1:MOVX @DPTR,A 
      ACALL DELAY
      INC A 
      CJNE A,#0FFH,LOOP1
      MOV R2,#0FH
LOOP2:MOVX @DPTR,A
      ACALL DELAY
      DEC A
      CJNE A,#00H,LOOP2
      AJMP LOOP1
DELAY:DJNZ R2,DELAY
      MOV R2,#0FH
      RET