git.sur5r.net Git - cc65/blob - asminc/tgi-vectorfont.inc

   1 ;*****************************************************************************/
   2 ;*                                                                           */
   3 ;*                            tgi-vectorfont.inc                             */
   4 ;*                                                                           */
   5 ;*                        TGI vector font definitions                        */
   6 ;*                                                                           */
   7 ;*                                                                           */
   8 ;*                                                                           */
   9 ;* (C) 2009,      Ullrich von Bassewitz                                      */
  10 ;*                Roemerstrasse 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 ;------------------------------------------------------------------------------
  37 ; Vectorfont constants
  38
  39 TGI_VF_VERSION          = $00                   ; File version number
  40 TGI_VF_FIRSTCHAR        = $20                   ; First char in file
  41 TGI_VF_LASTCHAR         = $7E                   ; Last char in file
  42 TGI_VF_CCOUNT           = (TGI_VF_LASTCHAR - TGI_VF_FIRSTCHAR + 1)
  43
  44 ;------------------------------------------------------------------------------
  45 ; TCH file header and font data structures
  46
  47 ; TCH file header
  48 .struct TGI_VF_HDR
  49         MAGIC           .byte   3               ; "TCH"
  50         VERSION         .byte   1               ; Version number
  51         SIZE            .word   1               ; Font data size
  52 .endstruct
  53
  54 ; Font data loaded directly from file
  55 .struct TGI_VECTORFONT
  56         TOP             .byte                   ; Height of char
  57         BOTTOM          .byte                   ; Descender
  58         HEIGHT          .byte                   ; Maximum char height
  59         WIDTHS          .byte   ::TGI_VF_CCOUNT ; Char widths
  60         CHARS           .word   ::TGI_VF_CCOUNT ; Pointer to character defs
  61         OPS             .byte                   ; Actually dynamic
  62 .endstruct
  63
  64 ;------------------------------------------------------------------------------
  65 ; C callable functions
  66
  67         .global _tgi_vectorchar
  68
  69
  70