ack/mach/m68k2/libsys/brk.s

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.define _brk
.define _sbrk
.sect .text
.sect .rom
.sect .data
.sect .bss
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.extern _brk
.extern _sbrk
.sect .text
_sbrk: move.l nd,a0
add.w 4(sp),a0
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move.w #0x11,d0
trap #0
bcs lcerror
move.l nd,d0
move.l d0,a0
add.w 4(sp),a0
move.l a0,nd
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rts
lcerror: jmp cerror
_brk: move.w #0x11,d0
move.l 4(sp),a0
trap #0
bcs lcerror
move.l 4(sp),nd
clr.l d0
rts
.sect .data
nd: .data4 endbss
.sect .text