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SENT_DATA: JB A.0,BUSY
$1: POP DPH
POP DPL
SENT_STROBE: RET
A,#0
STRING1: MOV A,@A+DPTR
STRING2: MOVC A,#’$’,$1
CJNE C
SETB
RET C
DPTR
CLR DPL
INC DPH
PUSH DPTR,#PA_8255
PUSH @DPTR,A
MOV DPH
MOVX DPL
POP
POP DPL
RET DPH
DPTR,#PC_8255
PUSH ACC.7
PUSH @DPTR,A
MOV ACC.7
CLR @DPTR,A
MOVX DPH
SETB DPL
MOVX
POP “1234567890ABCDEFGHIJK”,0AH,0DH,’$’
POP
RET “Welcome to kyicvs world”,0AH,0DH,’$’

DB

DB
END