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spiral: even more documentation
as always I blame foone
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@ -93,7 +93,8 @@ tiny_loop:
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our_shape = $E2DF ; location in the Applesoft ROM
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our_shape = $E2DF ; location in the Applesoft ROM
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; that holds $11,$F0,$03,$20,$00
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; that holds $11,$F0,$03,$20,$00
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; which makes a nice line-ish pattern when
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; which makes an offset right-angle
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; double line-ish pattern when
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; interpreted as a shape table
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; interpreted as a shape table
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; (it points into the code for the FRE()
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; (it points into the code for the FRE()
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; BASIC routine but that's not important)
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; BASIC routine but that's not important)
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@ -115,3 +116,9 @@ our_shape = $E2DF ; location in the Applesoft ROM
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; 0010 0000 = 00 100 000 NUP UP NOP
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; 0010 0000 = 00 100 000 NUP UP NOP
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; 0000 0000 = end of shape
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; 0000 0000 = end of shape
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; x is the starting point, * are the two line segments drawn
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; .
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; *
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; . x *
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; . . .
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