prog8/examples/test.p8

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%import textio
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; NOTE: meant to test to virtual machine output target (use -target vitual)
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main {
sub start() {
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ubyte x1 = $ea
ubyte x2 = $31
uword uw = mkword(x1, $99)
txt.print_uwhex(uw, true)
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txt.nl()
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uw = mkword(x1, x2)
txt.print_uwhex(uw, true)
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txt.nl()
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sys.exit(99)
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; txt.clear_screen()
; txt.print("Welcome to a prog8 pixel shader :-)\n")
; uword ww = 0
; ubyte bc
; uword wc
;
; for bc in "irmen" {
; ; +5 -> 17
; txt.chrout(bc)
; ww++
; }
; txt.print_uw(ww)
; txt.nl()
;
; for wc in [1000,1111,1222] {
; txt.print_uw(wc)
; txt.spc()
; ww++ ; +3 -> 20
; }
; txt.print_uw(ww)
; txt.nl()
;
; for bc in 10 to 20 step 3 {
; ; 10,13,16,19 -> 4
; ww++
; }
; txt.print_uw(ww)
; txt.nl()
; for bc in 30 to 10 step -4 {
; ; 30,26,22,18,14,10,6,2 -> +8 -> 12
; ww++
; }
; txt.print_uw(ww)
; txt.nl()
;
;
; sys.exit(99)
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; the "pixelshader":
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; syscall1(8, 0) ; enable lo res creen
; ubyte shifter
;
; shifter >>= 1
;
; repeat {
; uword xx
; uword yy = 0
; repeat 240 {
; xx = 0
; repeat 320 {
; syscall3(10, xx, yy, xx*yy + shifter) ; plot pixel
; xx++
; }
; yy++
; }
; shifter+=4
;
; txt.print_ub(shifter)
; txt.nl()
; }
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}
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}