.define _brk
.define _sbrk
.extern _brk
.text
_brk:
tst.b -40(sp)
link	a6,#-0
move.l 8(a6),-(sp)
jsr __Sbrk
add.l #4,sp
unlk a6
rts
.extern _sbrk
_sbrk:
tst.b -40(sp)
link	a6,#-0
move.w 8(a6), d2
ext.l d2
move.l d2,-(sp)
jsr __Ssbrk
add.l #4,sp
unlk a6
rts
__Ssbrk:		tst.b	-8(sp)
			move.l	4(sp),d0
			beq	1f
			add.l	nd,d0
			move.l	d0,-(sp)
			clr.l	-(sp)
			trap #0
.short	0x11
			add.l	#8,sp
			bcc	1f
			jmp	cerror
1:
			move.l	nd,d0
			move.l	4(sp),d1
			add.l	d1,nd
			rts
__Sbrk:			trap #0
.short	0x11
			bcc	1f
			jmp	cerror
1:
			move.l	4(sp),nd
			clr.l	d0
			rts
.data
nd:			.long endbss
.text