单片机课程设计,求大神给汇编程序答:单片机甲(按钮):ORG 0000H LJMP MAIN ORG 0030H MAIN:MOV TMOD,#20H MOV SCON,#40H MOV TH1,#0FDH MOV TL1,#0FDH SETB TR1 MOV R4,#0 LOOP:MOV A,P3 CPL A JZ LOOP LOOP1:RRC A INC R4 JNC LOOP1 MOV A,R4 MOV SBUF,A JNB TI,CLR TI SJMP LOOP END...
51单片机 汇编语言 常用数据处理程序设计 查表送寄存器答:MOVC A,@A+DPTR MOV R1,A (把取的第二个字放在的R1中)SJMP ORG 2000H TABLE: DW 0,1,4,9,16,25,36,49,64,81,100,121,144,169 DW 196,225,256,289,324,361,400,441,484,529,576,625,676,729,784,841,900 END ...
急求单片机程序,要汇编语言答:SCAN:MOV A,#0FEH ;扫描子程序 MOV R0,#20H SETB C MOV R2,#06H LOOP:RLC A MOV P0,A SETB LATCH2 CLR LATCH2 MOV P0,@R0 SETB LATCH1 CLR LATCH1 INC R0 CALL DELAY DJNZ R2,LOOP MOV R2,#07H RET DELAY:MOV R3,#1 ;扫描延时 D1:MOV R4,#2 D2:MOV R5,#248 DJNZ R...