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24 lines
529 B
Lua
24 lines
529 B
Lua
%import textio
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%zeropage basicsafe
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; Note: this program is compatible with C64 and CX16.
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main {
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const uword screenwidth = txt.DEFAULT_WIDTH
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const uword screenheight = txt.DEFAULT_HEIGHT
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uword anglex
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uword angley
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ubyte color
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sub start() {
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repeat {
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ubyte x = msb(sin8u(msb(anglex)) * screenwidth)
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ubyte y = msb(cos8u(msb(angley)) * screenheight)
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txt.setcc(x, y, 81, color)
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anglex+=366
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angley+=291
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color++
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}
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}
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}
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