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31 lines
546 B
Lua
31 lines
546 B
Lua
%import cx16lib
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%import cx16textio
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%zeropage basicsafe
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main {
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const uword width = 79
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const uword height = 59
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struct Ball {
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uword anglex
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uword angley
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ubyte color
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}
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sub start() {
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Ball ball
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repeat {
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ubyte x = msb(sin8u(msb(ball.anglex)) as uword * width)
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ubyte y = msb(cos8u(msb(ball.angley)) as uword * height)
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txt.setcc(x, y, 81, ball.color)
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ball.anglex+=266
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ball.angley+=215
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ball.color++
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}
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}
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}
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