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44 lines
713 B
Lua
44 lines
713 B
Lua
%import c64utils
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%zeropage basicsafe
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main {
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struct Color {
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ubyte red
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ubyte green
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ubyte blue
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}
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sub start() {
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Color purple = {255, 0, 255}
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Color other
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other = purple
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other.red /= 2
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other.green = 10 + other.green / 2
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other.blue = 99
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c64scr.print_ub(other.red)
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c64.CHROUT(',')
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c64scr.print_ub(other.green)
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c64.CHROUT(',')
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c64scr.print_ub(other.blue)
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c64.CHROUT('\n')
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check_eval_stack()
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}
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sub check_eval_stack() {
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if X!=255 {
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c64scr.print("stack x=")
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c64scr.print_ub(X)
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c64scr.print(" error!\n")
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}
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}
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}
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