1 ;*****************************************************************************/
5 ;* TGI kernel interface */
9 ;* (C) 2002 Ullrich von Bassewitz */
11 ;* D-70597 Stuttgart */
12 ;* EMail: uz@musoftware.de */
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_ERROR = 10 ; Error code
46 TGI_HDR_RES = 11 ; Reserved for extensions
49 TGI_HDR_INSTALL = TGI_HDR_JUMPTAB+0 ; INSTALL routine
50 TGI_HDR_DEINSTALL = TGI_HDR_JUMPTAB+2 ; DEINSTALL routine
51 TGI_HDR_INIT = TGI_HDR_JUMPTAB+4 ; INIT routine
52 TGI_HDR_DONE = TGI_HDR_JUMPTAB+6 ; DONE routine
53 TGI_HDR_CONTROL = TGI_HDR_JUMPTAB+8 ; CONTROL routine
54 TGI_HDR_CLEAR = TGI_HDR_JUMPTAB+10 ; CLEAR routine
55 TGI_HDR_SETVIEWPAGE = TGI_HDR_JUMPTAB+12 ; SETVIEWPAGE routine
56 TGI_HDR_SETDRAWPAGE = TGI_HDR_JUMPTAB+14 ; SETDRAWPAGE routine
57 TGI_HDR_SETCOLOR = TGI_HDR_JUMPTAB+16 ; SETCOLOR routine
58 TGI_HDR_SETPIXEL = TGI_HDR_JUMPTAB+18 ; SETPIXEL routine
59 TGI_HDR_GETPIXEL = TGI_HDR_JUMPTAB+20 ; GETPIXEL routine
60 TGI_HDR_LINE = TGI_HDR_JUMPTAB+22 ; LINE routine
61 TGI_HDR_BAR = TGI_HDR_JUMPTAB+24 ; BAR routine
62 TGI_HDR_CIRCLE = TGI_HDR_JUMPTAB+26 ; CIRCLE routine
64 TGI_HDR_JUMPCOUNT = 14 ; Number of jump vectors
66 ;------------------------------------------------------------------------------
69 .global _tgi_drv ; Pointer to driver
70 .global _tgi_error ; Last error code
71 .global _tgi_mode ; Graphics mode or zero
72 .global _tgi_curx ; Current drawing cursor X
73 .global _tgi_cury ; Current drawing cursor Y
74 .global _tgi_color ; Current drawing color
75 .global _tgi_bgcolor ; Current background color
76 .global _tgi_xres ; X resolution of the current mode
77 .global _tgi_yres ; Y resolution of the current mode
78 .global _tgi_colorcount ; Number of available colors
79 .global _tgi_pagecount ; Number of available screen pages
81 ;------------------------------------------------------------------------------
90 .global tgi_setviewpage
91 .global tgi_setdrawpage
100 ;------------------------------------------------------------------------------
104 .global tgi_fetch_error