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1992-01-12
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942b
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49 lines
; Lovingly swiped from Eric Smith's mntlib.
.globl _gemdos
.globl _xbios
.globl _bios
.text
.even
_gemdos:
lea 20(sp),a0 ; 4 bytes for ret addr + 16 for parameters
movem.l d2/a2,-(sp) ; save reggies that TOS clobbers but that
; C thinks functions should preserve
move.l -(a0),-(sp) ; max. of 16 bytes parameters to trap #1
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
trap #1 ; go do the trap
lea 16(sp),sp ; pop parameters
movem.l (sp)+,d2/a2 ; restore reggies
rts ; return
_bios:
lea 24(sp),a0
movem.l d2/a2,-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
trap #13
lea 20(sp),sp
movem.l (sp)+,d2/a2
rts
_xbios:
lea 32(sp),a0
movem.l d2/a2,-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
move.l -(a0),-(sp)
trap #14
lea 28(sp),sp
movem.l (sp)+,d2/a2
rts