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