git.sur5r.net Git - cc65/blob - src/da65/opcdesc.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 opcdesc.h                                 */
   4 /*                                                                           */
   5 /*                  Disassembler description for one opcode                  */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000-2003 Ullrich von Bassewitz                                       */
  10 /*               Römerstrasse 52                                             */
  11 /*               D-70794 Filderstadt                                         */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef OPCDESC_H
  37 #define OPCDESC_H
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   Data                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 /* Constants for Flags */
  48 enum {
  49     flNone          = 0x00,                     /* No flags given */
  50     flNoLabel       = 0x00,                     /* Don't use a label */
  51     flGenLabel      = 0x01,                     /* Generate a label */
  52     flUseLabel      = 0x02,                     /* Use a label if there is one */
  53     flLabel         = flUseLabel|flGenLabel,    /* Generate and use a label */
  54     flIllegal       = 0x10,                     /* Illegal instruction */
  55     flAbsOverride   = 0x20,                     /* Need a: override */
  56     flFarOverride   = 0x40                      /* Need f: override */
  57 };
  58
  59 /* Forward/typedef for struct OpcDesc */
  60 typedef struct OpcDesc OpcDesc;
  61
  62 /* Type of pointer to a function that handles opcode output */
  63 typedef void (*OpcHandler) (const OpcDesc*);
  64
  65 /* Description for one opcode */
  66 struct OpcDesc {
  67     char                Mnemo [6];      /* Mnemonic */
  68     unsigned char       Size;           /* Size of this command */
  69     unsigned char       Flags;          /* Flags */
  70     OpcHandler          Handler;        /* Handler routine */
  71 };
  72
  73
  74
  75 /* End of opcdesc.h */
  76
  77 #endif