?? 搶答器.asm
字號(hào):
ORG 0000H
SETB P3.7
MOV R0, #00H
MOV A , #0FFH
MOV P2 , A
L1: MOV A , P1
XRL A , #0FFH
JZ L1
L2: MOV B , #02H
DIV AB
INC R0
JNZ L2
MOV DPTR,#TABLE
MOV A,R0
MOVC A , @A+DPTR
MOV P2 ,A
MOV R3 , #0FFH
SS: CLR P3.7
ACALL DELAY
SETB P3.7
ACALL DELAY
DJNZ R3,SS
L4: SJMP L4
DELAY: MOV R1, #249
L3: NOP
NOP
DJNZ R1, L3
RET
TABLE: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H ;0-9
END
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -