;DAC0832.asm 产生锯齿波和三角波
CODE SEGMENT
ASSUME CS:CODE
START:
MOV
DX,2B7H
;DAC0832: 2B0H-2B7H
MOV
MOV
CX,0FFFFH
AX,0
JUCHI:
DX,AL
OUT
NOP
NOP
INC
LOOP JUCHI
AL
MOV
BX,0FFH
SANJIAO_:
MOV
MOV
CX,0ffH
AX,0
SANJIAO:
OUT
INC
DX,AL
AL
LOOP SANJIAO
MOV
CX,0ffH
SANJIAO2:
AL
DX,AL
DEC
OUT
LOOP SANJIAO2
DEC
JNZ
JMP
BX;(BX)<>0 时,执行下句。
SANJIAO_
JUCHI
CODE ENDS
END
START