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罗发强 张志伟 郑颖慧 朱浩立
STACK SEGMENT STACK
DW 256 DUP (?)
STACK ENDS
DATA SEGMENT
LA DB ?
LB DB ?
DATA ENDS
CODE SEGMENT ‘CODE’
ASSUME CS:CODE, DS:DATA
START:
MOV AX,DATA
MOV DS,AX
MOV AL,81H
OUT 63H,AL
MOV AL,7BH
OUT 60H,AL
L16:
IN AL,62H
AND AL,01H
JZ L16
CLI
PUSH DS
MOV AX,0000H
MOV DS,AX
MOV AX,OFFSET IRQ7
ADD AX,2000H
MOV SI,003CH
MOV [SI],AX
MOV AX,0000H
MOV SI,003EH
MOV [SI],AX
POP DS
IN AL,21H
AND AL,7FH
OUT 21H,AL
STI
LOOP1:
MOV AL,0F8H
OUT 60H,AL
CALL LED
MOV AL,0E7H
OUT 60H,AL
CALL LED1
MOV AL,1FH
OUT 60H,AL
CALL LED
MOV AL,0E7H
OUT 60H,AL
CALL LED1
JMP LOOP1
LED PROC
PUSH CX
PUSH AX
MOV CX,64000
L15:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,6DH
OUT 61H,AL
CALL JISHU
CMP CX,56000
DEC CX
JNB L15
L14:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,66H
OUT 61H,AL
CALL JISHU
CMP CX,48000
DEC CX
JNB L14
L13:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,4FH
OUT 61H,AL
CALL JISHU
CMP CX,40000
DEC CX
JNB L13
L12:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,5BH
OUT 61H,AL
CALL JISHU
CMP CX,32000
DEC CX
JNB L12
L11:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
CMP CX,24000
DEC CX
JNB L11
L10:
MOV AL,0EFH
OUT 62H,AL
MOV AL,06H
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,3FH
OUT 61H,AL
CALL JISHU
CMP CX,16000
DEC CX
JNB L10
L09:
MOV AL,0EFH
OUT 62H,AL
MOV AL,3FH
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,6FH
OUT 61H,AL
CALL JISHU
CMP CX,8000
DEC CX
JNB L09
MOV CX,64000
L08:
MOV AL,0EFH
OUT 62H,AL
MOV AL,3FH
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,7FH
OUT 61H,AL
CALL JISHU
CMP CX,56000
DEC CX
JNB L08
L07:
MOV AL,0EFH
OUT 62H,AL
MOV AL,3FH
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
OUT 62H,AL
MOV AL,07H
OUT 61H,AL
CALL JISHU
CMP CX,48000
DEC CX
JNB L07
L06:
MOV AL,0EFH
OUT 62H,AL
MOV AL,3FH
OUT 61H,AL
CALL JISHU
MOV AL,0DFH
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