1 ;*****************************************************************************/
5 ;* TGI kernel interface */
9 ;* (C) 2002-2003 Ullrich von Bassewitz */
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 ; Offsets into the driver header
39 TGI_HDR_ID = 0 ; Contains 0x74, 0x67, 0x69 ("tgi")
40 TGI_HDR_VERSION = 3 ; Interface version
41 TGI_HDR_XRES = 4 ; X resolution
42 TGI_HDR_YRES = 6 ; Y resolution
43 TGI_HDR_COLORCOUNT = 8 ; Number of available colors
44 TGI_HDR_PAGECOUNT = 9 ; Number of screens available
45 TGI_HDR_FONTSIZE_X = 10 ; System font size in X direction
46 TGI_HDR_FONTSIZE_Y = 11 ; System font size in Y direction
47 TGI_HDR_RES = 12 ; Reserved for extensions
50 TGI_HDR_INSTALL = TGI_HDR_JUMPTAB+0 ; INSTALL routine
51 TGI_HDR_UNINSTALL = TGI_HDR_JUMPTAB+2 ; UNINSTALL routine
52 TGI_HDR_INIT = TGI_HDR_JUMPTAB+4 ; INIT routine
53 TGI_HDR_DONE = TGI_HDR_JUMPTAB+6 ; DONE routine
54 TGI_HDR_GETERROR = TGI_HDR_JUMPTAB+8 ; GETERROR routine
55 TGI_HDR_CONTROL = TGI_HDR_JUMPTAB+10 ; CONTROL routine
56 TGI_HDR_CLEAR = TGI_HDR_JUMPTAB+12 ; CLEAR routine
57 TGI_HDR_SETVIEWPAGE = TGI_HDR_JUMPTAB+14 ; SETVIEWPAGE routine
58 TGI_HDR_SETDRAWPAGE = TGI_HDR_JUMPTAB+16 ; SETDRAWPAGE routine
59 TGI_HDR_SETCOLOR = TGI_HDR_JUMPTAB+18 ; SETCOLOR routine
60 TGI_HDR_SETPALETTE = TGI_HDR_JUMPTAB+20 ; SETPALETTE routine
61 TGI_HDR_GETPALETTE = TGI_HDR_JUMPTAB+22 ; GETPALETTE routine
62 TGI_HDR_GETDEFPALETTE = TGI_HDR_JUMPTAB+24 ; GETDEFPALETTE routine
63 TGI_HDR_SETPIXEL = TGI_HDR_JUMPTAB+26 ; SETPIXEL routine
64 TGI_HDR_GETPIXEL = TGI_HDR_JUMPTAB+28 ; GETPIXEL routine
65 TGI_HDR_LINE = TGI_HDR_JUMPTAB+30 ; LINE routine
66 TGI_HDR_BAR = TGI_HDR_JUMPTAB+32 ; BAR routine
67 TGI_HDR_CIRCLE = TGI_HDR_JUMPTAB+34 ; CIRCLE routine
68 TGI_HDR_TEXTSTYLE = TGI_HDR_JUMPTAB+36 ; TEXTSTYLE routine
69 TGI_HDR_OUTTEXT = TGI_HDR_JUMPTAB+38 ; OUTTEXT routine
71 TGI_HDR_JUMPCOUNT = 20 ; Number of jump vectors
73 ;------------------------------------------------------------------------------
74 ; The TGI API version, stored at TGI_HDR_VERSION
78 ;------------------------------------------------------------------------------
79 ; Text style constants
81 TGI_TEXT_HORIZONTAL = 0
84 ;------------------------------------------------------------------------------
87 .global _tgi_drv ; Pointer to driver
88 .global _tgi_error ; Last error code
89 .global _tgi_gmode ; Flag: graphics mode active
90 .global _tgi_curx ; Current drawing cursor X
91 .global _tgi_cury ; Current drawing cursor Y
92 .global _tgi_color ; Current drawing color
93 .global _tgi_textdir ; Current text direction
94 .global _tgi_textmagx ; Text magnification in X dir
95 .global _tgi_textmagy ; Text magnification in Y dir
96 .global _tgi_xres ; X resolution of the current mode
97 .global _tgi_yres ; Y resolution of the current mode
98 .global _tgi_colorcount ; Number of available colors
99 .global _tgi_pagecount ; Number of available screen pages
100 .global _tgi_fontsizex ; System font X size
101 .global _tgi_fontsizey ; System font Y size
103 ;------------------------------------------------------------------------------
104 ; Driver entry points
107 .global tgi_uninstall
113 .global tgi_setviewpage
114 .global tgi_setdrawpage
116 .global tgi_setpalette
117 .global tgi_getpalette
118 .global tgi_getdefpalette
124 .global tgi_textstyle
127 ;------------------------------------------------------------------------------
139 ;------------------------------------------------------------------------------
140 ; C callable functions
143 .global _tgi_load_driver
146 .global _tgi_uninstall
149 .global _tgi_geterror
151 .global _tgi_getpagecount
152 .global _tgi_setviewpage
153 .global _tgi_setdrawpage
154 .global _tgi_getcolorcount
155 .global _tgi_getmaxcolor
156 .global _tgi_setcolor
157 .global _tgi_getcolor
158 .global _tgi_setpalette
159 .global _tgi_getpalette
160 .global _tgi_getdefpalette
165 .global _tgi_getpixel
166 .global _tgi_setpixel
172 .global _tgi_textstyle
173 .global _tgi_textwidth
174 .global _tgi_textheight
176 .global _tgi_outtextxy