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ORG 0000H ACALL DEL LJMP MAIN AJMP MAIN ORG 080H ORG 0200H MAIN: MOV P0,#00H DEL: MOV R5,#04H MOV P1 ,#00H F3: MOV R6,#0FFH MOV P2 ,#00H F2: MOV R7,#0FFH MOV P3 ,#00H F1: DJNZ R7,F1 ACALL DEL DJNZ R6,F2 MOV P0 ,#0FFH DJNZ R5,F3 MOV P1 ,#0FFH RET MOV P2 ,#0FFH END MOV P3 ,#0FFH
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ORG 0000H MOV P1,#0FFH MOV A,#0FEH
LOOP: MOV P1,A ACALL DELAY RL A SJMP LOOP DELAY: MOV R0,#0FFH
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#include
void delayms(unsigned char ms) // ÑÓʱ×Ó³ÌÐò { unsigned char i; while(ms--) { for(i = 0; i < 120; i++); } }
main() {
DL0: DL1: NOP MOV NOP DJNZ DJNZ RET END
R1,#0FFH R1,DL1 R0,DL0
unsigned char LED; LED = 0xfe; P1 = LED;
while(1) { delayms(800); LED = _crol_(LED,1); //Ñ»·×óÒÆ1룬µãÁÁÏÂÒ»¸öLED;_cror_Ϊѻ·ÓÒÒÆ1λ
P1 = LED; } }
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ORG 0000H SJMP MAIN ORG 000BH SJMP ITOP MAIN: MOV SP,#40H MOV TMOD,#01H MOV TH0,#0FH MOV TL0,#0FFH
SETB ET0 SETB EA SETB TR0 ITOP: MOV C,P1.0 CPL C MOV P1.4,C
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char code a[3] _at_ 0X003b; sbit p10= P1^0; sbit p11= P1^1; sbit p12= P1^2; sbit p13= P1^3; sbit p14= P1^4; sbit p15= P1^5; sbit p16= P1^6; sbit p17= P1^7; main() {
TMOD=0x01 ; TH0=0X4C;
7
MOV C,P1.1
CPL C MOV P1.5,C MOV C,P1.2 CPL C MOV P1.6,C MOV C,P1.3 CPL C MOV P1.7,C MOV TH0,#0FH MOV TL0,#0FFH
RETI END
TL0=0X00; EA=1; ET0=1; TR0=1; while(1) ; }
void Time1(void) interrupt 1 {
TH0=0X4C; TL0=0X00; p14=~p10; p15=~p11; p16=~p12; p17=~p13; }