1 ;*****************************************************************************/
5 ;* TGI kernel interface */
9 ;* (C) 2002-2004 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 ;------------------------------------------------------------------------------
40 ID .byte 3 ; Contains 0x74, 0x67, 0x69 ("tgi")
41 VERSION .byte 1 ; Interface version
43 XRES .word 1 ; X resolution
44 YRES .word 1 ; Y resolution
45 COLORCOUNT .byte 1 ; Number of available colors
46 PAGECOUNT .byte 1 ; Number of screens available
47 FONTSIZE_X .byte 1 ; System font size in X direction
48 FONTSIZE_Y .byte 1 ; System font size in Y direction
50 RESERVED .byte 4 ; Reserved for extensions
52 INSTALL .addr ; INSTALL routine
53 UNINSTALL .addr ; UNINSTALL routine
54 INIT .addr ; INIT routine
55 DONE .addr ; DONE routine
56 GETERROR .addr ; GETERROR routine
57 CONTROL .addr ; CONTROL routine
58 CLEAR .addr ; CLEAR routine
59 SETVIEWPAGE .addr ; SETVIEWPAGE routine
60 SETDRAWPAGE .addr ; SETDRAWPAGE routine
61 SETCOLOR .addr ; SETCOLOR routine
62 SETPALETTE .addr ; SETPALETTE routine
63 GETPALETTE .addr ; GETPALETTE routine
64 GETDEFPALETTE .addr ; GETDEFPALETTE routine
65 SETPIXEL .addr ; SETPIXEL routine
66 GETPIXEL .addr ; GETPIXEL routine
67 LINE .addr ; LINE routine
68 BAR .addr ; BAR routine
69 CIRCLE .addr ; CIRCLE routine
70 TEXTSTYLE .addr ; TEXTSTYLE routine
71 OUTTEXT .addr ; OUTTEXT routine
72 IRQ .addr ; IRQ routine
76 ;------------------------------------------------------------------------------
77 ; The TGI API version, stored at TGI_HDR_VERSION
81 ;------------------------------------------------------------------------------
82 ; Text style constants
84 TGI_TEXT_HORIZONTAL = 0
87 ;------------------------------------------------------------------------------
90 .global _tgi_drv ; Pointer to driver
91 .global _tgi_error ; Last error code
92 .global _tgi_gmode ; Flag: graphics mode active
93 .global _tgi_curx ; Current drawing cursor X
94 .global _tgi_cury ; Current drawing cursor Y
95 .global _tgi_color ; Current drawing color
96 .global _tgi_textdir ; Current text direction
97 .global _tgi_textmagx ; Text magnification in X dir
98 .global _tgi_textmagy ; Text magnification in Y dir
99 .global _tgi_xres ; X resolution of the current mode
100 .global _tgi_yres ; Y resolution of the current mode
101 .global _tgi_colorcount ; Number of available colors
102 .global _tgi_pagecount ; Number of available screen pages
103 .global _tgi_fontsizex ; System font X size
104 .global _tgi_fontsizey ; System font Y size
106 ;------------------------------------------------------------------------------
107 ; Driver entry points
110 .global tgi_uninstall
116 .global tgi_setviewpage
117 .global tgi_setdrawpage
119 .global tgi_setpalette
120 .global tgi_getpalette
121 .global tgi_getdefpalette
127 .global tgi_textstyle
130 ;------------------------------------------------------------------------------
142 ;------------------------------------------------------------------------------
143 ; C callable functions
146 .global _tgi_load_driver
149 .global _tgi_uninstall
153 .global _tgi_geterror
154 .global _tgi_geterrormsg
156 .global _tgi_getpagecount
157 .global _tgi_setviewpage
158 .global _tgi_setdrawpage
159 .global _tgi_getcolorcount
160 .global _tgi_getmaxcolor
161 .global _tgi_setcolor
162 .global _tgi_getcolor
163 .global _tgi_setpalette
164 .global _tgi_getpalette
165 .global _tgi_getdefpalette
170 .global _tgi_getpixel
171 .global _tgi_setpixel
177 .global _tgi_textstyle
178 .global _tgi_textwidth
179 .global _tgi_textheight
181 .global _tgi_outtextxy