流水灯依次全部点亮的汇编语言是什么?答:MAIN:MOV A,#0FEH MOV R2,#8 LOOP:MOV P0,A LCALL DELAY CLR C RLC A DJNZ R2,LOOP SJMP MAIN DELAY:MOV R3,#20 DLY1:MOV R4,#200 DLY2:MOV R5,#250 DJNZ R5,DJNZ R4,DLY2 DJNZ R3,DLY1 RET END
...语言编流水灯,有8个LED灯,LED1~LED8 灯按顺序点亮,每个等亮一秒转到...答:65536-50000)SETB TR0 SETB ET0 SETB EA MOV A,#0FEH MOV P1,A MOV R2,#20 SJMP T0ISR:CLR TR0 MOV TH0,#HIGH(65536-50000)MOV TL0,#LOW(65536-50000)SETB TR0 DJNZ R2,T0E ;1秒未到直接退出 MOV R2,#20 RL A MOV P1,A ;1秒一变的花样流水灯。T0E:RETI END ...
如何用汇编语言使流水灯(8个灯)从左向右依次点亮且不灭,之后从右往左...答:RLC A LCALL DELAY DJNZ R2,LOOP1 MOV R2,#8 MOV A,#80HLOOP1: MOV P1,A SETB C RRC A LCALL DELAY DJNZ R2,LOOP1 SJMP MAINDELAY: MOV R2,#200DLY: MOV R3,#250 DJNZ R3,$ DJNZ R2,DLY RET END ...