mirror of
https://github.com/irmen/prog8.git
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78 lines
2.0 KiB
Lua
78 lines
2.0 KiB
Lua
%import textio
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%zeropage dontuse
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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 start() {
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pokew($1000, $ea31)
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poke($1001, $44)
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txt.print_uwhex(peekw($1000), true)
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txt.nl()
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txt.print_ubhex(peek($1001), true)
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txt.nl()
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; uword other = $fe4a
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; uword value = $ea31
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; uword[] warray = [$aa44, $bb55, $cc66]
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; ubyte upperb = msb(value)
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; ubyte lowerb = lsb(value)
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; txt.print_ubhex(upperb, true)
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; txt.print_ubhex(lowerb, false)
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; txt.nl()
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; value = mkword(upperb, lowerb)
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; txt.print_uwhex(value, true)
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; txt.nl()
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; upperb = msb(warray[1])
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; lowerb = lsb(warray[1])
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; txt.print_ubhex(upperb, true)
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; txt.print_ubhex(lowerb, false)
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; txt.nl()
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; ubyte index=1
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; upperb = msb(warray[index])
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; lowerb = lsb(warray[index])
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; txt.print_ubhex(upperb, true)
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; txt.print_ubhex(lowerb, false)
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; txt.nl()
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; swap(other, value)
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; txt.print_uwhex(value,true)
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; txt.nl()
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; txt.nl()
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;
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; pokew($1000, $ab98)
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; txt.print_ubhex(@($1000),true)
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; txt.print_ubhex(@($1001),false)
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; txt.nl()
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; txt.print_uwhex(peekw($1000),true)
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; txt.nl()
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; swap(@($1000), @($1001))
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; txt.print_uwhex(peekw($1000),true)
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; txt.nl()
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; swap(warray[0], warray[1])
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; txt.print_uwhex(warray[1],true)
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; txt.nl()
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; ; a "pixelshader":
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; void syscall1(8, 0) ; enable lo res creen
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; ubyte shifter
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;
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; ; pokemon(1,0)
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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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; syscall3(10, xx, yy, xx*yy + shifter) ; plot pixel
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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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