Initial revision

mach/m68020/libsys/README

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+	! Two system calls (gtty and stty) in the m68000 tail_mon library
+	! were not really system calls but they used _ioctl. The m68020 machine
+	! the table was tested on used real system calls, and we'll use
+	! them here.
+	! There were also three calls (ftime, lock and dup2) that were in the
+	! m68000 library, but were not included in the list of system calls
+	! for the m68020 that was given to me. We'll include them anyway.
+	! The original gtty and stty files are included here.
+	! Note however that the 68000 machine (the Mantra) needs the parameters
+	! to system calls in registers, while the m68020 machine this table was
+	! tested on wanted the parameters on the stack
+	!
+	! Also read the comments in the signal.s file!
+! -------------------  dup2.s
+! .define _dup2
+! .extern _dup2
+! .sect .text
+! .sect .rom
+! .sect .data
+! .sect .bss
+! .sect .text
+! _dup2:		move.w #0x29,d0
+! 		move.l (4,sp),a0
+! 		move.l (8,sp),d1
+! 		add.l #0x40,a0
+! 		jmp (call)
+!
+!
+! ! -------------------  gtty.s
+! .define _gtty
+! .extern _gtty
+! .sect .text
+! .sect .rom
+! .sect .data
+! .sect .bss
+! .sect .text
+! _gtty:
+! tst.b (-40,sp)
+! link	a6,#-0
+! move.l (12,a6),-(sp)
+! move.l #29704,-(sp)
+! move.l (8,a6),-(sp)
+! jsr (_ioctl)
+! add.l #12,sp
+! unlk a6
+! rts
+!
+!
+! ! -------------------  stty.s
+! .define _stty
+! .extern _stty
+! .sect .text
+! .sect .rom
+! .sect .data
+! .sect .bss
+! .sect .text
+! _stty:
+! tst.b (-40,sp)
+! link	a6,#-0
+! move.l (12,a6),-(sp)
+! move.l #29705,-(sp)
+! move.l (8,a6),-(sp)
+! jsr (_ioctl)
+! add.l #12,sp
+! unlk a6
+! rts