TN2 LAB5

;VIET CT HIEN THI LAN LUOT SO 1-4 LEN LAN LUOT LED0-3 ;MOI LAN HIEN THI CACH NHAU 1S; QUA TRINH LAP LAI; SU DUNG CT CON DISPLAYLED ORG 2000H MAIN: MOV R0,#1 MOV R1,#0 LOOP: ACALL DISPLAYLED ACALL DL1S INC R0 INC R1 CJNE R1,#4,LOOP SJMP MAIN DISPLAYLED: MOV DPTR,#TABLE MOV A,R1 MOVC A,@A+DPTR ADD A,R0 MOV DPTR,#0000H MOVX @DPTR,A RET DL1S: MOV R7,#10 L1: MOV R6,#200 L2: MOV R5,#250 DJNZ R5,$ DJNZ R6,L2 DJNZ R7,L1 RET TABLE: DB 0E0H,0D0H,0B0H,70H END