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https://github.com/irmen/prog8.git
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65 lines
1.4 KiB
Lua
65 lines
1.4 KiB
Lua
%import textio
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%zeropage basicsafe
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; NOTE: meant to test to virtual machine output target (use -target vitual)
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main {
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; sub ands(ubyte arg, ubyte b1, ubyte b2, ubyte b3, ubyte b4) -> ubyte {
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; return arg>b1 and arg>b2 and arg>b3 and arg>b4
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; }
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;
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; sub ors(ubyte arg, ubyte b1, ubyte b2, ubyte b3, ubyte b4) -> ubyte {
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; return arg==b1 or arg==b2 or arg==b3 or arg==b4
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; }
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; sub mcCarthy() {
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; ubyte @shared a
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; ubyte @shared b
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;
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; txt.print_ub(ands(10, 2,3,4,5))
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; txt.spc()
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; txt.print_ub(ands(10, 20,3,4,5))
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; txt.spc()
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; txt.print_ub(ors(10, 2,3,40,5))
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; txt.spc()
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; txt.print_ub(ors(10, 1,10,40,5))
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; txt.spc()
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; }
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sub start() {
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; mcCarthy()
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ubyte[256] sieve
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ubyte xx
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for xx in 0 to 255 {
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sieve[xx] = false
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}
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for xx in 0 to 255 {
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txt.print_ub(sieve[xx])
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txt.spc()
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}
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txt.nl()
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; ; a "pixelshader":
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; sys.gfx_enable(0) ; enable lo res screen
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; ubyte shifter
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;
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; repeat {
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; uword xx
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; uword yy = 0
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; repeat 240 {
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; xx = 0
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; repeat 320 {
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; sys.gfx_plot(xx, yy, xx*yy + shifter as ubyte)
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; xx++
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; }
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; yy++
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; }
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; shifter+=4
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; }
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}
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}
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