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

   1 ;*****************************************************************************/
   2 ;*                                                                           */
   3 ;*                                tgi-kernel.inc                             */
   4 ;*                                                                           */
   5 ;*                             TGI kernel interface                          */
   6 ;*                                                                           */
   7 ;*                                                                           */
   8 ;*                                                                           */
   9 ;* (C) 2002      Ullrich von Bassewitz                                       */
  10 ;*               Wacholderweg 14                                             */
  11 ;*               D-70597 Stuttgart                                           */
  12 ;* EMail:        uz@musoftware.de                                            */
  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 ; Offsets into the driver header
  38
  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_RES             = 10            ; Reserved for extensions
  46
  47 TGI_HDR_JUMPTAB         = 16
  48 TGI_HDR_INSTALL         = TGI_HDR_JUMPTAB+0     ; INSTALL routine
  49 TGI_HDR_DEINSTALL       = TGI_HDR_JUMPTAB+2     ; DEINSTALL routine
  50 TGI_HDR_INIT            = TGI_HDR_JUMPTAB+4     ; INIT routine
  51 TGI_HDR_DONE            = TGI_HDR_JUMPTAB+6     ; DONE routine
  52 TGI_HDR_GETERROR        = TGI_HDR_JUMPTAB+8     ; GETERROR routine
  53 TGI_HDR_CONTROL         = TGI_HDR_JUMPTAB+10    ; CONTROL routine
  54 TGI_HDR_CLEAR           = TGI_HDR_JUMPTAB+12    ; CLEAR routine
  55 TGI_HDR_SETVIEWPAGE     = TGI_HDR_JUMPTAB+14    ; SETVIEWPAGE routine
  56 TGI_HDR_SETDRAWPAGE     = TGI_HDR_JUMPTAB+16    ; SETDRAWPAGE routine
  57 TGI_HDR_SETCOLOR        = TGI_HDR_JUMPTAB+18    ; SETCOLOR routine
  58 TGI_HDR_SETPALETTE      = TGI_HDR_JUMPTAB+20    ; SETPALETTE routine
  59 TGI_HDR_GETPALETTE      = TGI_HDR_JUMPTAB+22    ; GETPALETTE routine
  60 TGI_HDR_GETDEFPALETTE   = TGI_HDR_JUMPTAB+24    ; GETDEFPALETTE routine
  61 TGI_HDR_SETPIXEL        = TGI_HDR_JUMPTAB+26    ; SETPIXEL routine
  62 TGI_HDR_GETPIXEL        = TGI_HDR_JUMPTAB+28    ; GETPIXEL routine
  63 TGI_HDR_HORLINE         = TGI_HDR_JUMPTAB+30    ; HORLINE routine
  64 TGI_HDR_LINE            = TGI_HDR_JUMPTAB+32    ; LINE routine
  65 TGI_HDR_BAR             = TGI_HDR_JUMPTAB+34    ; BAR routine
  66 TGI_HDR_CIRCLE          = TGI_HDR_JUMPTAB+36    ; CIRCLE routine
  67
  68 TGI_HDR_JUMPCOUNT       = 19            ; Number of jump vectors
  69
  70 ;------------------------------------------------------------------------------
  71 ; Variables
  72
  73         .global _tgi_drv                ; Pointer to driver
  74         .global _tgi_error              ; Last error code
  75         .global _tgi_mode               ; Graphics mode or zero
  76         .global _tgi_curx               ; Current drawing cursor X
  77         .global _tgi_cury               ; Current drawing cursor Y
  78         .global _tgi_color              ; Current drawing color
  79         .global _tgi_xres               ; X resolution of the current mode
  80         .global _tgi_yres               ; Y resolution of the current mode
  81         .global _tgi_colorcount         ; Number of available colors
  82         .global _tgi_pagecount          ; Number of available screen pages
  83
  84 ;------------------------------------------------------------------------------
  85 ; Driver entry points
  86
  87         .global tgi_install
  88         .global tgi_deinstall
  89         .global tgi_init
  90         .global tgi_done
  91         .global tgi_geterror
  92         .global tgi_control
  93         .global tgi_clear
  94         .global tgi_setviewpage
  95         .global tgi_setdrawpage
  96         .global tgi_setcolor
  97         .global tgi_setpalette
  98         .global tgi_getpalette
  99         .global tgi_getdefpalette
 100         .global tgi_setpixel
 101         .global tgi_getpixel
 102         .global tgi_horline
 103         .global tgi_line
 104         .global tgi_bar
 105         .global tgi_circle
 106
 107
 108 ;------------------------------------------------------------------------------
 109 ; ASM functions
 110
 111         .global tgi_emu_bar
 112         .global tgi_getset
 113         .global tgi_inv_arg
 114         .global tgi_linepop
 115         .global tgi_set_ptr
 116
 117