;* */
;* */
;* */
-;* (C) 2002 Ullrich von Bassewitz */
-;* Wacholderweg 14 */
-;* D-70597 Stuttgart */
-;* EMail: uz@musoftware.de */
+;* (C) 2002-2003 Ullrich von Bassewitz */
+;* Römerstraße 52 */
+;* D-70794 Filderstadt */
+;* EMail: uz@cc65.org */
;* */
;* */
;* This software is provided 'as-is', without any expressed or implied */
+;------------------------------------------------------------------------------
; Offsets into the driver header
+
TGI_HDR_ID = 0 ; Contains 0x74, 0x67, 0x69 ("tgi")
TGI_HDR_VERSION = 3 ; Interface version
TGI_HDR_XRES = 4 ; X resolution
TGI_HDR_YRES = 6 ; Y resolution
-TGI_HDR_COLORS = 8 ; Number of available colors
-TGI_HDR_RES = 9 ; Reserved for extensions
-
-TGI_HDR_INSTALL = 16 ; INSTALL routine
-TGI_HDR_DEINSTALL = 18 ; DEINSTALL routine
-TGI_HDR_INIT = 20 ; INIT routine
-TGI_HDR_POST = 22 ; POST routine
-TGI_HDR_CONTROL = 24 ; CONTROL routine
-TGI_HDR_CLEAR = 26 ; CLEAR routine
-TGI_HDR_SETCOLOR = 28 ; SETCOLOR routine
-TGI_HDR_SETPIXEL = 30 ; SETPIXEL routine
-TGI_HDR_GETPIXEL = 32 ; GETPIXEL routine
-TGI_HDR_LINE = 34 ; LINE routine
-TGI_HDR_BAR = 36 ; BAR routine
-TGI_HDR_CIRCLE = 38 ; CIRCLE routine
+TGI_HDR_COLORCOUNT = 8 ; Number of available colors
+TGI_HDR_PAGECOUNT = 9 ; Number of screens available
+TGI_HDR_FONTSIZE_X = 10 ; System font size in X direction
+TGI_HDR_FONTSIZE_Y = 11 ; System font size in Y direction
+TGI_HDR_RES = 12 ; Reserved for extensions
+
+TGI_HDR_JUMPTAB = 16
+TGI_HDR_INSTALL = TGI_HDR_JUMPTAB+0 ; INSTALL routine
+TGI_HDR_UNINSTALL = TGI_HDR_JUMPTAB+2 ; UNINSTALL routine
+TGI_HDR_INIT = TGI_HDR_JUMPTAB+4 ; INIT routine
+TGI_HDR_DONE = TGI_HDR_JUMPTAB+6 ; DONE routine
+TGI_HDR_GETERROR = TGI_HDR_JUMPTAB+8 ; GETERROR routine
+TGI_HDR_CONTROL = TGI_HDR_JUMPTAB+10 ; CONTROL routine
+TGI_HDR_CLEAR = TGI_HDR_JUMPTAB+12 ; CLEAR routine
+TGI_HDR_SETVIEWPAGE = TGI_HDR_JUMPTAB+14 ; SETVIEWPAGE routine
+TGI_HDR_SETDRAWPAGE = TGI_HDR_JUMPTAB+16 ; SETDRAWPAGE routine
+TGI_HDR_SETCOLOR = TGI_HDR_JUMPTAB+18 ; SETCOLOR routine
+TGI_HDR_SETPALETTE = TGI_HDR_JUMPTAB+20 ; SETPALETTE routine
+TGI_HDR_GETPALETTE = TGI_HDR_JUMPTAB+22 ; GETPALETTE routine
+TGI_HDR_GETDEFPALETTE = TGI_HDR_JUMPTAB+24 ; GETDEFPALETTE routine
+TGI_HDR_SETPIXEL = TGI_HDR_JUMPTAB+26 ; SETPIXEL routine
+TGI_HDR_GETPIXEL = TGI_HDR_JUMPTAB+28 ; GETPIXEL routine
+TGI_HDR_LINE = TGI_HDR_JUMPTAB+30 ; LINE routine
+TGI_HDR_BAR = TGI_HDR_JUMPTAB+32 ; BAR routine
+TGI_HDR_CIRCLE = TGI_HDR_JUMPTAB+34 ; CIRCLE routine
+TGI_HDR_TEXTSTYLE = TGI_HDR_JUMPTAB+36 ; TEXTSTYLE routine
+TGI_HDR_OUTTEXT = TGI_HDR_JUMPTAB+38 ; OUTTEXT routine
+
+TGI_HDR_JUMPCOUNT = 20 ; Number of jump vectors
+
+;------------------------------------------------------------------------------
+; The TGI API version, stored at TGI_HDR_VERSION
+
+TGI_API_VERSION = $01
+
+;------------------------------------------------------------------------------
+; Text style constants
+
+TGI_TEXT_HORIZONTAL = 0
+TGI_TEXT_VERTICAL = 1
+
+;------------------------------------------------------------------------------
+; Variables
+
+ .global _tgi_drv ; Pointer to driver
+ .global _tgi_error ; Last error code
+ .global _tgi_gmode ; Flag: graphics mode active
+ .global _tgi_curx ; Current drawing cursor X
+ .global _tgi_cury ; Current drawing cursor Y
+ .global _tgi_color ; Current drawing color
+ .global _tgi_textdir ; Current text direction
+ .global _tgi_textmagx ; Text magnification in X dir
+ .global _tgi_textmagy ; Text magnification in Y dir
+ .global _tgi_xres ; X resolution of the current mode
+ .global _tgi_yres ; Y resolution of the current mode
+ .global _tgi_colorcount ; Number of available colors
+ .global _tgi_pagecount ; Number of available screen pages
+ .global _tgi_fontsizex ; System font X size
+ .global _tgi_fontsizey ; System font Y size
+
+;------------------------------------------------------------------------------
+; Driver entry points
+
+ .global tgi_install
+ .global tgi_uninstall
+ .global tgi_init
+ .global tgi_done
+ .global tgi_geterror
+ .global tgi_control
+ .global tgi_clear
+ .global tgi_setviewpage
+ .global tgi_setdrawpage
+ .global tgi_setcolor
+ .global tgi_setpalette
+ .global tgi_getpalette
+ .global tgi_getdefpalette
+ .global tgi_setpixel
+ .global tgi_getpixel
+ .global tgi_line
+ .global tgi_bar
+ .global tgi_circle
+ .global tgi_textstyle
+ .global tgi_outtext
+
+;------------------------------------------------------------------------------
+; ASM functions
+
+ .global tgi_getset
+ .global tgi_inv_arg
+ .global tgi_inv_drv
+ .global tgi_linepop
+ .global tgi_set_ptr
+ .global tgi_popxy
+ .global tgi_popxy2
+ .global tgi_curtoxy
+
+;------------------------------------------------------------------------------
+; C callable functions
+
+ .global _tgi_load
+ .global _tgi_load_driver
+ .global _tgi_unload
+ .global _tgi_install
+ .global _tgi_uninstall
+ .global _tgi_init
+ .global _tgi_done
+ .global _tgi_geterror
+ .global _tgi_clear
+ .global _tgi_getpagecount
+ .global _tgi_setviewpage
+ .global _tgi_setdrawpage
+ .global _tgi_getcolorcount
+ .global _tgi_getmaxcolor
+ .global _tgi_setcolor
+ .global _tgi_getcolor
+ .global _tgi_setpalette
+ .global _tgi_getpalette
+ .global _tgi_getdefpalette
+ .global _tgi_getxres
+ .global _tgi_getmaxx
+ .global _tgi_getyres
+ .global _tgi_getmaxy
+ .global _tgi_getpixel
+ .global _tgi_setpixel
+ .global _tgi_gotoxy
+ .global _tgi_line
+ .global _tgi_lineto
+ .global _tgi_circle
+ .global _tgi_bar
+ .global _tgi_textstyle
+ .global _tgi_textwidth
+ .global _tgi_textheight
+ .global _tgi_outtext
+ .global _tgi_outtextxy
projects / cc65 / blobdiff