ack/mach/m68k4/libsys/brk.s
1985-01-23 16:31:51 +00:00

27 lines
360 B
ArmAsm

.define _brk
.define _sbrk
.extern _brk
.extern _sbrk
.text
_sbrk: move.l nd,a0
add.w 4(sp),a0
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
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
.data
nd: .long endbss
.text