2022-02-22 20:07:19 +00:00
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%import textio
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2022-03-31 21:47:11 +00:00
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%zeropage basicsafe
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2022-03-13 11:52:12 +00:00
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2022-03-24 23:17:41 +00:00
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; NOTE: meant to test to virtual machine output target (use -target vitual)
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2021-10-30 13:15:11 +00:00
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main {
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2022-03-27 19:59:46 +00:00
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2022-04-01 18:46:28 +00:00
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sub start() {
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2022-03-27 12:23:01 +00:00
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2022-03-28 21:49:44 +00:00
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; the "pixelshader":
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2022-04-01 18:46:28 +00:00
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syscall1(8, 0) ; enable lo res creen
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ubyte shifter
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shifter >>= 1
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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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txt.print_ub(shifter)
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txt.nl()
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}
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2022-03-04 21:26:46 +00:00
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}
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2022-02-17 23:40:31 +00:00
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}
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