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) 2002-2003 Ullrich von Bassewitz                                       */
  10 ;*               Römerstraße 52                                              */
  11 ;*               D-70794 Filderstadt                                         */
  12 ;* EMail:        uz@cc65.org                                                 */
  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_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
  48
  49 TGI_HDR_JUMPTAB         = 16
  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
  70
  71 TGI_HDR_JUMPCOUNT       = 20                    ; Number of jump vectors
  72
  73 ;------------------------------------------------------------------------------
  74 ; The TGI API version, stored at TGI_HDR_VERSION
  75
  76 TGI_API_VERSION         = $01
  77
  78 ;------------------------------------------------------------------------------
  79 ; Text style constants
  80
  81 TGI_TEXT_HORIZONTAL     = 0
  82 TGI_TEXT_VERTICAL       = 1
  83
  84 ;------------------------------------------------------------------------------
  85 ; Variables
  86
  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
 102
 103 ;------------------------------------------------------------------------------
 104 ; Driver entry points
 105
 106         .global tgi_install
 107         .global tgi_uninstall
 108         .global tgi_init
 109         .global tgi_done
 110         .global tgi_geterror
 111         .global tgi_control
 112         .global tgi_clear
 113         .global tgi_setviewpage
 114         .global tgi_setdrawpage
 115         .global tgi_setcolor
 116         .global tgi_setpalette
 117         .global tgi_getpalette
 118         .global tgi_getdefpalette
 119         .global tgi_setpixel
 120         .global tgi_getpixel
 121         .global tgi_line
 122         .global tgi_bar
 123         .global tgi_circle
 124         .global tgi_textstyle
 125         .global tgi_outtext
 126
 127 ;------------------------------------------------------------------------------
 128 ; ASM functions
 129
 130         .global tgi_getset
 131         .global tgi_inv_arg
 132         .global tgi_inv_drv
 133         .global tgi_linepop
 134         .global tgi_set_ptr
 135         .global tgi_popxy
 136         .global tgi_popxy2
 137         .global tgi_curtoxy
 138
 139 ;------------------------------------------------------------------------------
 140 ; C callable functions
 141
 142         .global _tgi_load
 143         .global _tgi_load_driver
 144         .global _tgi_unload
 145         .global _tgi_install
 146         .global _tgi_uninstall
 147         .global _tgi_init
 148         .global _tgi_done
 149         .global _tgi_geterror
 150         .global _tgi_clear
 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
 161         .global _tgi_getxres
 162         .global _tgi_getmaxx
 163         .global _tgi_getyres
 164         .global _tgi_getmaxy
 165         .global _tgi_getpixel
 166         .global _tgi_setpixel
 167         .global _tgi_gotoxy
 168         .global _tgi_line
 169         .global _tgi_lineto
 170         .global _tgi_circle
 171         .global _tgi_bar
 172         .global _tgi_textstyle
 173         .global _tgi_textwidth
 174         .global _tgi_textheight
 175         .global _tgi_outtext
 176         .global _tgi_outtextxy
 177
 178