;*****************************************************************************/
;* */
;* tgi-kernel.inc */
;* */
;* TGI kernel interface */
;* */
;* */
;* */
;* (C) 2002-2004 Ullrich von Bassewitz */
;* Römerstraße 52 */
;* D-70794 Filderstadt */
;* EMail: uz@cc65.org */
;* */
;* */
;* This software is provided 'as-is', without any expressed or implied */
;* warranty. In no event will the authors be held liable for any damages */
;* arising from the use of this software. */
;* */
;* Permission is granted to anyone to use this software for any purpose, */
;* including commercial applications, and to alter it and redistribute it */
;* freely, subject to the following restrictions: */
;* */
;* 1. The origin of this software must not be misrepresented; you must not */
;* claim that you wrote the original software. If you use this software */
;* in a product, an acknowledgment in the product documentation would be */
;* appreciated but is not required. */
;* 2. Altered source versions must be plainly marked as such, and must not */
;* be misrepresented as being the original software. */
;* 3. This notice may not be removed or altered from any source */
;* distribution. */
;* */
;*****************************************************************************/
;------------------------------------------------------------------------------
; The driver header
.struct TGI_HDR
ID .byte 3 ; Contains 0x74, 0x67, 0x69 ("tgi")
VERSION .byte 1 ; Interface version
VARS .struct
XRES .word 1 ; X resolution
YRES .word 1 ; Y resolution
COLORCOUNT .byte 1 ; Number of available colors
PAGECOUNT .byte 1 ; Number of screens available
FONTSIZE_X .byte 1 ; System font size in X direction
FONTSIZE_Y .byte 1 ; System font size in Y direction
.endstruct
RESERVED .byte 4 ; Reserved for extensions
JUMPTAB .struct
INSTALL .addr ; INSTALL routine
UNINSTALL .addr ; UNINSTALL routine
INIT .addr ; INIT routine
DONE .addr ; DONE routine
GETERROR .addr ; GETERROR routine
CONTROL .addr ; CONTROL routine
CLEAR .addr ; CLEAR routine
SETVIEWPAGE .addr ; SETVIEWPAGE routine
SETDRAWPAGE .addr ; SETDRAWPAGE routine
SETCOLOR .addr ; SETCOLOR routine
SETPALETTE .addr ; SETPALETTE routine
GETPALETTE .addr ; GETPALETTE routine
GETDEFPALETTE .addr ; GETDEFPALETTE routine
SETPIXEL .addr ; SETPIXEL routine
GETPIXEL .addr ; GETPIXEL routine
LINE .addr ; LINE routine
BAR .addr ; BAR routine
CIRCLE .addr ; CIRCLE routine
TEXTSTYLE .addr ; TEXTSTYLE routine
OUTTEXT .addr ; OUTTEXT routine
IRQ .addr ; IRQ routine
.endstruct
.endstruct
;------------------------------------------------------------------------------
; The TGI API version, stored at TGI_HDR_VERSION
TGI_API_VERSION = $02
;------------------------------------------------------------------------------
; 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_ioctl
.global _tgi_done
.global _tgi_geterror
.global _tgi_geterrormsg
.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