MOV A,#90H MOV DPTR,#FF13H // LOAD CTRL WORD(90H) TO CONTROL REG(FF13) PA- IN,PB-OUT,PC-OUT MOVX @DPTR,A MOV R1,#0Fh //COUNTER VALUE MOV A,R1 MOV R2,A //R2 STORES THE CTR VALUE OF EACH ITERATION OF THE PROGRAM REPEAT: MOV...