1 ;*****************************************************************************/
3 ;* tgi-vectorfont.inc */
5 ;* TGI vector font definitions */
9 ;* (C) 2009, Ullrich von Bassewitz */
10 ;* Roemerstrasse 52 */
11 ;* D-70794 Filderstadt */
12 ;* EMail: uz@cc65.org */
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. */
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: */
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 */
32 ;*****************************************************************************/
36 ;------------------------------------------------------------------------------
37 ; Vectorfont constants
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)
44 ;------------------------------------------------------------------------------
45 ; TCH file header and font data structures
50 VERSION .byte 1 ; Version number
51 SIZE .word 1 ; Font data size
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
64 ;------------------------------------------------------------------------------
65 ; C callable functions
67 .global _tgi_vectorchar