sdcc/device/lib/pdk15/__setjmp.s

   1 ;--------------------------------------------------------------------------
   2 ;  __setjmp.s
   3 ;
   4 ;  Copyright (C) 2019, Philipp Klaus Krause
   5 ;
   6 ;  This library is free software; you can redistribute it and/or modify it
   7 ;  under the terms of the GNU General Public License as published by the
   8 ;  Free Software Foundation; either version 2, or (at your option) any
   9 ;  later version.
  10 ;
  11 ;  This library is distributed in the hope that it will be useful,
  12 ;  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 ;  GNU General Public License for more details.
  15 ;
  16 ;  You should have received a copy of the GNU General Public License
  17 ;  along with this library; see the file COPYING. If not, write to the
  18 ;  Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  19 ;   MA 02110-1301, USA.
  20 ;
  21 ;  As a special exception, if you link this library with other files,
  22 ;  some of which are compiled with SDCC, to produce an executable,
  23 ;  this library does not by itself cause the resulting executable to
  24 ;  be covered by the GNU General Public License. This exception does
  25 ;  not however invalidate any other reasons why the executable file
  26 ;   might be covered by the GNU General Public License.
  27 ;--------------------------------------------------------------------------
  28
  29         .area DATA
  30 ___setjmp_PARM_1::
  31         .ds 2
  32 _longjmp_PARM_1::
  33         .ds 2
  34 _longjmp_PARM_2::
  35         .ds 2
  36
  37         .area   CODE
  38
  39 ___setjmp::
  40         mov.io  a, sp
  41         add     a, #-1
  42         mov     p, a
  43         idxm    a, p
  44         push    af
  45         dec     p
  46         idxm    a, p
  47
  48         xch     a, p
  49         mov     a, ___setjmp_PARM_1+0
  50         xch     a, p
  51
  52         idxm    p, a
  53         inc     p
  54         pop     af
  55         idxm    p, a
  56
  57         inc     p
  58         mov.io  a, sp
  59         idxm    p, a
  60         clear   p
  61         ret     #0
  62
  63 _longjmp::
  64         mov     a, _longjmp_PARM_1+0
  65         add     a, #2
  66         mov     p, a
  67         idxm    a, p
  68         add     a, #-2
  69         mov.io  sp, a
  70
  71         dec     p
  72         dec     p
  73         idxm    a, p
  74         push    af
  75         inc     p
  76         idxm    a, p
  77
  78         xch     a, p
  79         mov.io  a, sp
  80         add     a, #-1
  81         xch     a, p
  82         idxm    p, a
  83
  84         mov     a, _longjmp_PARM_2+1
  85         mov     p, a
  86         mov     a, _longjmp_PARM_2+0
  87
  88         ceqsn   a, p
  89         ret
  90         ceqsn   a, #0
  91         ret
  92         ret     #1
  93