SINSG: MOV R5,#00H SIN: MOV A,R5 MOV DPTR,#CTABH MOV R5,#00H SIN: MOV A,R5 MOV DPTR,#CTABH MOVC A,@A+DPTR MOV DPTR,#0DFFFH MOVX @DPTR,A INC R5 AJMP SIN CTAB： DB: 80,83,86,89,8D,90,93,96,99,9C,9F,A2,A5,A8,AB,AE, DB: B1,B4,B7,BA,BC,BF,C2,C5,