testpico/sega_gcc.s

   1 exc_tab:\r
   2     dc.l     0, 0x200, exc02, exc03, exc04, exc05, exc06, exc07\r
   3     dc.l exc08, exc09, exc0a, exc0b, exc0c, exc0d, exc0e, exc0f\r
   4     dc.l exc10, exc11, exc12, exc13, exc14, exc15, exc16, exc17\r
   5     dc.l exc18, exc19, exc1a, exc1b, HBL,   exc1d, VBL,   exc1f\r
   6     dc.l exc20, exc21, exc22, exc23, exc24, exc25, exc26, exc27\r
   7     dc.l exc28, exc29, exc2a, exc2b, exc2c, exc2d, exc2e, exc2f\r
   8     dc.l exc30, exc31, exc32, exc33, exc34, exc35, exc3e, exc37\r
   9     dc.l exc38, exc39, exc3a, exc3b, exc3c, exc3d, exc3e, exc3f\r
  10 \r
  11     .ascii "SEGA GENESIS                    "\r
  12     .ascii "PD testsuite                                    "\r
  13     .ascii "PD testsuite                                    "\r
  14     .ascii "GM 00000000-00"\r
  15     .byte 0x00,0x00\r
  16     .ascii "J               "\r
  17     .byte 0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x00\r
  18     .byte 0x00,0xff,0x00,0x00,0xff,0xff,0xff,0xff\r
  19     .ascii "RA"; .byte 0xf8,0x20                     /* 1b0 */\r
  20     .byte 0x00,0x02,0x00,0x00,0x00,0x3f,0xff,0xff    /* 1b4 */\r
  21     .ascii "    "                                    /* 1bc */\r
  22     .ascii "                        "                /* 1c0 */\r
  23     .ascii "                        "\r
  24     .ascii "JUE             "                        /* 1f0 */\r
  25 \r
  26 RST:\r
  27     move.w  #0x2700, %sr\r
  28 \r
  29     move.b (0xA10001), %d0\r
  30     andi.b #0x0F, %d0\r
  31     beq.s 0f\r
  32     move.l  #0x53454741, (0xA14000) /* 'SEGA' */\r
  33 0:\r
  34         tst.w   (0xc00004).l\r
  35 \r
  36     moveq   #0, %d0\r
  37     movea.l %d0, %a7\r
  38     move    %a7, %usp\r
  39 \r
  40     /* clear .bss */\r
  41     lea     __bss_start, %a0\r
  42     lea     __end, %a1\r
  43 0:\r
  44     move.l  %d0, (%a0)+\r
  45     cmp.l   %a1, %a0\r
  46     blt.s   0b\r
  47 \r
  48 #    move.w  #0x2000, %sr\r
  49     jsr     main\r
  50 0:\r
  51     bra     0b\r
  52 \r
  53 #HBL:\r
  54 #VBL:\r
  55 #    rte\r
  56 \r
  57 pre_exception:\r
  58     move.w  #0x2700, %sr\r
  59     movem.l %d0-%d7/%a0-%a7,-(%sp)\r
  60     move.l %sp, %d0\r
  61     move.l %d0,-(%sp)\r
  62     jsr exception\r
  63 0:\r
  64     bra 0b\r
  65 \r
  66 .macro exc_stub num\r
  67 exc\num:\r
  68     move.w #0x\num, -(%sp)\r
  69     jmp pre_exception\r
  70 .endm\r
  71 \r
  72 exc_stub 02\r
  73 exc_stub 03\r
  74 exc_stub 04\r
  75 exc_stub 05\r
  76 exc_stub 06\r
  77 exc_stub 07\r
  78 exc_stub 08\r
  79 exc_stub 09\r
  80 exc_stub 0a\r
  81 exc_stub 0b\r
  82 exc_stub 0c\r
  83 exc_stub 0d\r
  84 exc_stub 0e\r
  85 exc_stub 0f\r
  86 exc_stub 10\r
  87 exc_stub 11\r
  88 exc_stub 12\r
  89 exc_stub 13\r
  90 exc_stub 14\r
  91 exc_stub 15\r
  92 exc_stub 16\r
  93 exc_stub 17\r
  94 exc_stub 18\r
  95 exc_stub 19\r
  96 exc_stub 1a\r
  97 exc_stub 1b\r
  98 HBL:\r
  99 exc_stub 1c\r
 100 exc_stub 1d\r
 101 VBL:\r
 102 exc_stub 1e\r
 103 exc_stub 1f\r
 104 exc_stub 20\r
 105 exc_stub 21\r
 106 exc_stub 22\r
 107 exc_stub 23\r
 108 exc_stub 24\r
 109 exc_stub 25\r
 110 exc_stub 26\r
 111 exc_stub 27\r
 112 exc_stub 28\r
 113 exc_stub 29\r
 114 exc_stub 2a\r
 115 exc_stub 2b\r
 116 exc_stub 2c\r
 117 exc_stub 2d\r
 118 exc_stub 2e\r
 119 exc_stub 2f\r
 120 exc_stub 30\r
 121 exc_stub 31\r
 122 exc_stub 32\r
 123 exc_stub 33\r
 124 exc_stub 34\r
 125 exc_stub 35\r
 126 exc_stub 36\r
 127 exc_stub 37\r
 128 exc_stub 38\r
 129 exc_stub 39\r
 130 exc_stub 3a\r
 131 exc_stub 3b\r
 132 exc_stub 3c\r
 133 exc_stub 3d\r
 134 exc_stub 3e\r
 135 exc_stub 3f\r
 136 \r
 137 # vim:filetype=asmM68k:ts=4:sw=4:expandtab\r