课程设计报告纸
DIV N ; IN0 AD后线性转换给0832的值 NEG AL ADD AL,80H MOV BL,AL CMP BL,40H JB SS1 SUB BL,4 SS1: MOV AL,BL
MOV A3,AL MOV DX,DACS OUT DX,AL MOV DX,IN1 ; 启动IN1 OUT DX,AL MOV AL,0
MOV FLAG,AL
OVER: MOV DX,INTR_OCW2 ; 向PC机内部8259发送中断结束命令 MOV OUT MOV
AL, 20H
DX, AL
AL, 20H
OUT 20H, AL STI
POP DX POP AX IRET MYISR ENDP DELAY PROC PUSH MOV
NEAR ;延时
CX
CX, 0FFFFH
LOOP $ POP CX RET DELAY ENDP CODE ENDS END START
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