prog8/compiler/res/prog8lib/c128/graphics.p8
2023-07-02 06:15:02 +02:00

63 lines
1.3 KiB
Lua

%import syslib
%import textio
; Bitmap pixel graphics module for the Commodore 128
; TODO c128 actually implement the graphics routines. Ideally a way to 'borrow' the code form the C64 version without just copy-pasting that here?
graphics {
%option no_symbol_prefixing
const uword WIDTH = 320
const ubyte HEIGHT = 200
sub enable_bitmap_mode() {
; enable bitmap screen, erase it and set colors to black/white.
; TODO
}
sub disable_bitmap_mode() {
; enables text mode, erase the text screen, color white
; TODO
}
sub clear_screen(ubyte pixelcolor, ubyte bgcolor) {
; TODO
}
sub line(uword @zp x1, ubyte @zp y1, uword @zp x2, ubyte @zp y2) {
; TODO
}
sub fillrect(uword x, uword y, uword width, uword height) {
; TODO
}
sub rect(uword x, uword y, uword width, uword height) {
; TODO
}
sub horizontal_line(uword x, uword y, uword length) {
; TODO
}
sub vertical_line(uword x, uword y, uword height) {
; TODO
}
sub circle(uword xcenter, ubyte ycenter, ubyte radius) {
; TODO
}
sub disc(uword xcenter, ubyte ycenter, ubyte radius) {
; TODO
}
inline asmsub plot(uword plotx @R0, uword ploty @R1) clobbers(A, X, Y) {
%asm {{
nop ; TODO
}}
}
}