at89c51电路板,设计一个汇编程序,实现16个灯逐个闪烁,每个闪烁5次

j急用
2025-03-01 18:43:13
推荐回答(1个)
回答1:

ORG 0000H
LJMP MAIN
ORG 000BH
LJMP T0ISR
ORG 0030H
MAIN:
MOV TMOD,#01H
MOV TH0,#HIGH(65536-60000)
MOV TL0,#LOW(65536-60000)
SETB TR0
SETB ET0
SETB EA
MOV R2,#10
CLR 00H
MOV A,#0FEH
MOV P1,#0FFH
MOV P0,A
MOV B,#0FFH
SJMP $
T0ISR:
CLR TR0
MOV TH0,#HIGH(65536-60000)
MOV TL0,#LOW(65536-60000)
SETB TR0
CPL 00H
JB 00H,LED_CLOSE
MOV P0,A
MOV P1,B
SJMP T0C
LED_CLOSE:
MOV P0,#0FFH
MOV P1,#0FFH
T0C:
DJNZ R2,T0E
MOV R2,#10
RLC A
PUSH ACC
XCH A,B
RLC A
XCH A,B
POP ACC
MOV ACC.0,C
T0E:
RETI
END