;* */
;* */
;* */
-;* (C) 2002-2009, Ullrich von Bassewitz */
+;* (C) 2002-2012, Ullrich von Bassewitz */
;* Roemerstrasse 52 */
;* D-70794 Filderstadt */
;* EMail: uz@cc65.org */
.struct TGI_HDR
ID .byte 3 ; Contains 0x74, 0x67, 0x69 ("tgi")
VERSION .byte 1 ; Interface version
+ LIBREF .addr ; Library reference
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
- FONTWIDTH .byte 1 ; System font width
- FONTHEIGHT .byte 1 ; System font height
+ FONTWIDTH .byte 1 ; System font width in pixel
+ FONTHEIGHT .byte 1 ; System font height in pixel
ASPECTRATIO .word 1 ; Fixed point 8.8 format
+ FLAGS .byte 1 ; TGI driver flags
.endstruct
JUMPTAB .struct
INSTALL .addr ; INSTALL routine
UNINSTALL .addr ; UNINSTALL routine
INIT .addr ; INIT routine
DONE .addr ; DONE routine
- GETERROR .addr ; GETERROR routine
+ GETERROR .addr ; GETERROR routine
CONTROL .addr ; CONTROL routine
CLEAR .addr ; CLEAR routine
SETVIEWPAGE .addr ; SETVIEWPAGE routine
BAR .addr ; BAR 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 = $03
+TGI_API_VERSION = $06
;------------------------------------------------------------------------------
-; Color and text constants
+; Bitmapped tgi driver flags, stored in TGI_HDR::VARS::FLAGS.
+; Beware: Some of the bits are tested using the BIT instruction, so do not
+; change the values without checking the code!
-TGI_COLOR_BLACK = 0
-TGI_COLOR_WHITE = 1
+TGI_BM_FONT_FINESCALE = $80 ; Bitmap fonts are fine grained scalable
+
+;------------------------------------------------------------------------------
+; Text constants
TGI_FONT_BITMAP = 0
TGI_FONT_VECTOR = 1
TGI_TEXT_HORIZONTAL = 0
TGI_TEXT_VERTICAL = 1
+;----------------------------------------------------------------------------
+; Results of tgi_outcode
+
+TGI_CLIP_NONE = $00
+TGI_CLIP_LEFT = $01
+TGI_CLIP_RIGHT = $02
+TGI_CLIP_BOTTOM = $04
+TGI_CLIP_TOP = $08
+
+;------------------------------------------------------------------------------
+; ASM accessible color constants
+
+ .global tgi_color_black:zp ; Target-specific value for black
+ .global tgi_color_white:zp ; Target-specific value for white
+
;------------------------------------------------------------------------------
-; Variables
+; C accessible variables
- .global _tgi_drv ; Pointer to driver
- .global _tgi_error ; Last error code
+ .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_font ; Which font to use
.global _tgi_textdir ; Current text direction
+ .global _tgi_vectorfont ; Pointer to vector font
.global _tgi_textscalew ; Text magnification for the width
.global _tgi_textscaleh ; Text magnification for the height
.global _tgi_charwidth ; Width of scaled system font char
.global _tgi_charheight ; Height of scaled system font char
.global _tgi_xres ; X resolution of the current mode
.global _tgi_yres ; Y resolution of the current mode
+ .global _tgi_xmax ; Maximum X coordinate
+ .global _tgi_ymax ; Maximum Y coordinate
.global _tgi_colorcount ; Number of available colors
.global _tgi_pagecount ; Number of available screen pages
.global _tgi_fontwidth ; System font width
.global _tgi_fontheight ; System font height
.global _tgi_aspectratio ; Aspect ratio, fixed point 8.8
+ .global _tgi_flags ; TGI driver flags
+
+;------------------------------------------------------------------------------
+; ASM accessible variables
+
+ .global tgi_clip_x1 ; Coordinate for line clipper
+ .global tgi_clip_y1 ; Coordinate for line clipper
+ .global tgi_clip_x2 ; Coordinate for line clipper
+ .global tgi_clip_y2 ; Coordinate for line clipper
;------------------------------------------------------------------------------
; Driver entry points
.global tgi_uninstall
.global tgi_init
.global tgi_done
- .global tgi_geterror
+ .global tgi_geterror
.global tgi_control
.global tgi_clear
.global tgi_setviewpage
;------------------------------------------------------------------------------
; ASM functions
+ .global tgi_clear_ptr
+ .global tgi_clippedline
+ .global tgi_curtoxy
.global tgi_getset
+ .global tgi_imulround
.global tgi_inv_arg
.global tgi_inv_drv
.global tgi_linepop
- .global tgi_set_ptr
+ .global tgi_outcode
.global tgi_popxy
.global tgi_popxy2
- .global tgi_curtoxy
+ .global tgi_set_ptr
;------------------------------------------------------------------------------
; C callable functions
.global _tgi_clear
.global _tgi_done
.global _tgi_ellipse
+ .global _tgi_getaspectratio
.global _tgi_getcolor
.global _tgi_getcolorcount
.global _tgi_getdefpalette
.global _tgi_getpagecount
.global _tgi_getpalette
.global _tgi_getpixel
+ .global _tgi_gettextheight
+ .global _tgi_gettextwidth
.global _tgi_getxres
.global _tgi_getyres
.global _tgi_gotoxy
.global _tgi_imulround
.global _tgi_init
.global _tgi_install
+ .global _tgi_install_vectorfont
.global _tgi_ioctl
.global _tgi_line
.global _tgi_lineto
- .global _tgi_load
.global _tgi_load_driver
.global _tgi_outtext
.global _tgi_outtextxy
+ .global _tgi_pieslice
+ .global _tgi_setaspectratio
.global _tgi_setcolor
.global _tgi_setdrawpage
.global _tgi_setpalette
.global _tgi_setpixel
+ .global _tgi_settextdir
+ .global _tgi_settextscale
+ .global _tgi_settextstyle
.global _tgi_setviewpage
- .global _tgi_textheight
- .global _tgi_textscale
- .global _tgi_textstyle
- .global _tgi_textwidth
.global _tgi_uninstall
.global _tgi_unload
projects / cc65 / blobdiff