汇编地地各类原始代码--BRK

PGROUP	Group	PROG

DGROUP	Group	DATA





DATA	Segment	Public	'DATA'



public	brkflag



brkflag	DW	0



DATA	ends



PROG	Segment	Para	Public	'PROG'



public	TrapBrea



assume cs:PGROUP,DS:DGROUP



TrapBrea	proc	near



	push	ds

	push	cs

	pop	ds

	mov	dx,offset PGROUP:Bret

	mov	ah,25h

	mov	al,23h

	int	21h

	pop	ds

	ret



TrapBrea	endp 



Bret	proc	far



	push	ds

	push	ax

	mov	ax,DGROUP

	mov	ds,ax

	mov	brkflag,1

	pop	ax

	pop	ds

	iret



Bret	endp

PROG	ends



	end