📄 1.asm
字号:
ORG 00H
START: MOV R4,#00H
L1: MOV R3,#0F7H
MOV R1,#00H
L2: MOV A,R3
MOV P3,A
MOV A,P3
MOV R4,A
SETB C
MOV R5,#04H
L3: RLC A
JNC KEY
INC R1
DJNZ R5,L3
MOV A,R3
SETB C
RRC A
MOV R3,A
JC L2
JMP L1
KEY: ACALL DELAY
D1: MOV A,P3
XRL A,R4
JZ D1
MOV A,R1
ACALL DISP
JMP L1
DISP: MOV DPTR,#TABLE
MOVC A,@A+DPTR
MOV P0,A
RET
DELAY: MOV R7,#60
MOV R6,#248
DLY1: DJNZ R6,$
DJNZ R7,DLY1
RET
TABLE: DB 0C0H,0F9H,0A4H,0B0H
DB 99H,92H,82H,0F8H
DB 80H,90H,88H,83H
DB 0C6H,0A1H,86H,8EH
END
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -