idc/mida_s68k.idc

   1 //\r
   2 //      IDC File to disassemble Sega Genesis/Megadrive rom\r
   3 //      by Kaneda\r
   4 //\r
   5 //      Useage:\r
   6 //        launch IDA with "idag -a -p68000 -Smida.idc"\r
   7 //        Select your .bin file\r
   8 //        Press OK to the 2 dialog boxes following\r
   9 //\r
  10 //      0.1 (12 Nov 2004 ): Initial release\r
  11 //  0.2 (01 Jun 2005 ): Support for start adress <0x200 (skip header)\r
  12 //\r
  13 //      Update on http://www.consoledev.fr.st\r
  14 //\r
  15 \r
  16 #include <idc.idc>\r
  17 \r
  18 //-------------------------------------------------------------------------\r
  19 static CW(off,name,cmt) {\r
  20   auto x;\r
  21   x = off;\r
  22   MakeWord(x);\r
  23   MakeName(x,name);\r
  24   MakeRptCmt(x,cmt);\r
  25 }\r
  26 \r
  27 //-------------------------------------------------------------------------\r
  28 static CD(off,name,cmt) {\r
  29   auto x;\r
  30   x = off;\r
  31   MakeDword(x);\r
  32   MakeName(x,name);\r
  33   MakeRptCmt(x,cmt);\r
  34 }\r
  35 \r
  36 //-------------------------------------------------------------------------\r
  37 static CB(off,name,cmt) {\r
  38   auto x;\r
  39   x = off;\r
  40   MakeByte(x);\r
  41   MakeName(x,name);\r
  42   MakeRptCmt(x,cmt);\r
  43 }\r
  44 \r
  45 static CS(off,end,name,cmt) {\r
  46   auto x;\r
  47   x = off;\r
  48   MakeStr(x, end);\r
  49   MakeName(x,name);\r
  50   MakeRptCmt(x,cmt);\r
  51 }\r
  52 \r
  53 static mdVector(  ) {\r
  54 auto i, addr;\r
  55 \r
  56 CD(0x00, "initStack", "Initial Stack");\r
  57 CD(0x04, "startAddress", "Start Address");\r
  58 CD(0x08, "", "Bus Error");\r
  59 CD(0x0C, "", "Address Error");\r
  60 CD(0x10, "", "Illegal instruction");\r
  61 CD(0x14, "", "Zero Divide");\r
  62 CD(0x18, "", "CHK instruction");\r
  63 CD(0x1C, "", "TRAPV instruction");\r
  64 CD(0x20, "", "Privilege Violation");\r
  65 CD(0x24, "", "Trace");\r
  66 CD(0x28, "", "Line 1010 Emulator");\r
  67 CD(0x2C, "", "Line 1111 Emulator");\r
  68 CD(0x30, "", "Reserved");\r
  69 CD(0x34, "", "Reserved");\r
  70 CD(0x38, "", "Reserved");\r
  71 CD(0x3C, "", "Unitialized Interrrupt");\r
  72 CD(0x40, "", "Reserved");\r
  73 CD(0x44, "", "Reserved");\r
  74 CD(0x48, "", "Reserved");\r
  75 CD(0x4C, "", "Reserved");\r
  76 CD(0x50, "", "Reserved");\r
  77 CD(0x54, "", "Reserved");\r
  78 CD(0x58, "", "Reserved");\r
  79 CD(0x5C, "", "Reserved");\r
  80 CD(0x60, "", "Spurious Interrupt");\r
  81 CD(0x64, "", "Level 1/gfx interrupt");\r
  82 CD(0x68, "", "Level 2/md interrupt");\r
  83 CD(0x6C, "", "Level 3/timer interrupt");\r
  84 CD(0x70, "", "Level 4/cdd interrupt");\r
  85 CD(0x74, "", "Level 5/cdc interrupt");\r
  86 CD(0x78, "", "Level 6/subcode interrupt");\r
  87 CD(0x7C, "", "Level 7 interrupt");\r
  88 \r
  89 i=0x80;\r
  90 while (i <= 0xBC){\r
  91   CD(i,"", "Trap");\r
  92   i = i+1;\r
  93 }\r
  94 \r
  95 i=0xC0;\r
  96 while (i <= 0xFF){\r
  97   CD(i,"", "Reserved");\r
  98   i = i+1;\r
  99   }\r
 100 \r
 101 for ( i=0x08; i< 0x200; i=i+4 ) {\r
 102   addr = Dword( i );\r
 103   MakeCode(addr);\r
 104   }\r
 105 }\r
 106 \r
 107 static mdHeader( ) {\r
 108 auto addr;\r
 109 \r
 110 addr =  Dword( 0x04 );\r
 111 if (addr < 0x200)\r
 112 {\r
 113         Warning("Start address unusual");\r
 114     return;\r
 115 }\r
 116 CS(0x100,0x110,"","");\r
 117  CS(0x110,0x120,"","");\r
 118  CS(0x120,0x130,"","");\r
 119  CS(0x130,0x140,"","");\r
 120  CS(0x140,0x150,"","");\r
 121  CS(0x150,0x160,"","");\r
 122  CS(0x160,0x170,"","");\r
 123  CS(0x170,0x180,"","");\r
 124  CS(0x180,0x18D,"","Serial Number");\r
 125  CW(0x18E, "CheckSum","");\r
 126  CS(0x190,0x1A0,"","");\r
 127  CD(0x1A0, "RomStartAdr", "Rom Start Adress");\r
 128  CD(0x1A4, "RomEndAdr", "Rom End Adress");\r
 129  CD(0x1A8, "RamStartAdr", "Ram Start Adress");\r
 130  CD(0x1AC, "RamEndAdr", "Ram End Adress");\r
 131  CS(0x1B0, 0x1BC, "", "SRam data");\r
 132  CS(0x1BC, 0x1C8, "", "Modem data");\r
 133  CS(0x1C8, 0x1DC, "", "Memo");\r
 134  CS(0x1DC, 0x1F0, "", "");\r
 135  CS(0x1F0, 0x200, "Country", "Countries codes");\r
 136  }\r
 137  \r
 138 static mdAddress( ){\r
 139  // CD(0xC00000, "VDP_Data","");\r
 140 }\r
 141  \r
 142 //-------------------------------------------------------------------------\r
 143 static MakeIrq(addr,name) {\r
 144   MakeName(addr,name);\r
 145   //MakeCode(addr);\r
 146   MakeFunction(addr,BADADDR);\r
 147    Wait( );\r
 148 }\r
 149 \r
 150 static main() {\r
 151   auto addr;\r
 152   \r
 153   SetPrcsr( "68000");\r
 154 \r
 155   SegCreate(0x000000,0x07FFFF,0,1,0,2);\r
 156   SegRename(0x000000,"prg_ram");\r
 157 \r
 158   SegCreate(0xFE0000,0xFE3FFF,0,1,0,2);\r
 159   SegRename(0xFE0000,"bram");\r
 160 \r
 161   SegCreate(0xFF0000,0xFF3FFF,0,1,0,2);\r
 162   SegRename(0xFF0000,"pcm");\r
 163 \r
 164   SegCreate(0xFF8000,0xFF81FF,0,1,0,2);\r
 165   SegRename(0xFF8000,"regs");\r
 166   \r
 167   mdVector( );\r
 168   mdHeader( );\r
 169   mdAddress( );\r
 170 \r
 171   MakeIrq(Dword(0x04), "main");\r
 172   MakeIrq(Dword(0x64), "gfx_irq");\r
 173   MakeIrq(Dword(0x68), "md_irq");\r
 174   MakeIrq(Dword(0x6c), "timer_irq");\r
 175   MakeIrq(Dword(0x70), "cdd_irq");\r
 176   MakeIrq(Dword(0x74), "cdc_irq");\r
 177   MakeIrq(Dword(0x78), "subcode_irq");\r
 178 }\r