From 0e657e6b4eefa2d50822a7e04e14fce55b1785ad Mon Sep 17 00:00:00 2001 From: Vince Weaver Date: Fri, 26 Apr 2024 10:43:29 -0400 Subject: [PATCH] spiral: more code comments --- demos/lovebyte2024/spiraling_shape_32/spiral_32.s | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/demos/lovebyte2024/spiraling_shape_32/spiral_32.s b/demos/lovebyte2024/spiraling_shape_32/spiral_32.s index a87f3346..6a747ed2 100644 --- a/demos/lovebyte2024/spiraling_shape_32/spiral_32.s +++ b/demos/lovebyte2024/spiraling_shape_32/spiral_32.s @@ -25,7 +25,8 @@ XDRAW1 = $F661 HPLOT0 = $F457 spiraling_shape: - jsr HGR2 ; Hi-res, full screen ; 3 + jsr HGR2 ; Set Hi-resolution (140x192) mode + ; HGR2 means use PAGE2 and no text at bottom ; Y=0, A=0 after this call ; A and Y are 0 here. @@ -73,7 +74,8 @@ tiny_loop: our_shape = $E2DF ; location in the Applesoft ROM ; that holds $11,$F0,$03,$20,$00 - ; which makes a nice line in shape table + ; which makes a nice line when + ; interpreted as a shape table ; (it points into the code for the FRE() ; BASIC routine but that's not important)