5．汇编源程序

        ORG 00H
START:  NOP
        MOV R3,#3
LOP2:   MOV R4,#8
        MOV R2,#0
LOP1:   MOV P1,#0FFH
        MOV DPTR,#TABA
        MOV A,R2
        MOVC A,@A+DPTR
        MOV P3,A
        INC R2
        LCALL DELAY
        DJNZ R4,LOP1
        DJNZ R3,LOP2
        MOV R3,#3
LOP4:   MOV R4,#8
        MOV R2,#7
LOP3:   MOV P1,#0FFH
        MOV DPTR,#TABA
        MOV A,R2
        MOVC A,@A+DPTR
        MOV P3,A
        DEC R2
        LCALL DELAY
        DJNZ R4,LOP3
        DJNZ R3,LOP4
        MOV R3,#3
LOP6:   MOV R4,#8
        MOV R2,#0
LOP5:   MOV P3,#00H
        MOV DPTR,#TABB
        MOV A,R2
        MOVC A,@A+DPTR
        MOV P1,A
        INC R2
        LCALL DELAY
        DJNZ R4,LOP5
        DJNZ R3,LOP6
        MOV R3,#3
LOP8:   MOV R4,#8
        MOV R2,#7
LOP7:   MOV P3,#00H
        MOV DPTR,#TABB
        MOV A,R2
        MOVC A,@A+DPTR
        MOV P1,A
        DEC R2
        LCALL DELAY
        DJNZ R4,LOP7
        DJNZ R3,LOP8
        LJMP START
DELAY:  MOV R5,#10
D2:     MOV R6,#20
D1:     MOV R7,#248
        DJNZ R7,$
        DJNZ R6,D1
        DJNZ R5,D2
        RET
TABA:   DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FH
TABB:   DB 01H,02H,04H,08H,10H,20H,40H,80H
        END

6． C语言源程序

#include <AT89X52.H> 
unsigned char code taba[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; 
unsigned char code tabb[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; 
void delay(void) 
{ 
    unsigned char i,j; 
    for(i=10;i>0;i--) 
    for(j=248;j>0;j--); 
} 
void delay1(void) 
{ 
    unsigned char i,j,k; 
    for(k=10;k>0;k--) 
    for(i=20;i>0;i--) 
    for(j=248;j>0;j--); 
} 
void main(void) 
{ 
    unsigned char i,j; 
    while(1) 
    { 
        for(j=0;j<3;j++) //from left to right 3 time
        { 
            for(i=0;i<8;i++) 
            { 
                P3=taba[i]; 
                P1=0xff; 
                delay1(); 
            } 
        } 
        for(j=0;j<3;j++) //from right to left 3 time
        { 
            for(i=0;i<8;i++) 
            { 
                P3=taba[7-i]; 
                P1=0xff; 
                delay1(); 
            } 
        } 
        for(j=0;j<3;j++) //from top to bottom 3 time
        { 
            for(i=0;i<8;i++) 
            { 
                P3=0x00; 
                P1=tabb[7-i]; 
                delay1(); 
            } 
        } 
        for(j=0;j<3;j++) //from bottom to top 3 time
        { 
            for(i=0;i<8;i++) 
            { 
                P3=0x00; 
                P1=tabb[i]; 
                delay1(); 
            } 
        } 
    } 
}