prog8/examples/vm/pixelshader.p8
2022-09-25 20:48:17 +02:00

29 lines
591 B
Lua

; NOTE: meant to test to virtual machine output target (use -target virtual)
main {
sub start() {
; a "pixelshader":
sys.gfx_enable(0) ; enable lo res screen
ubyte shifter
repeat {
uword xx
uword yy = 0
repeat 240 {
xx = 0
repeat 320 {
sys.gfx_plot(xx, yy, xx*yy + shifter as ubyte)
xx++
}
yy++
}
shifter+=4
sys.wait(1)
sys.waitvsync()
}
}
}