Andrew Kesterson a01554d304 Teach the artwork tutorial the converted listing ...

Chapter 18 still taught the machinery the listing lost when it moved onto
SOLID and the persistent drawing layer: the frame-boundary PACE routine, the
flattened live list, the SSHAPE pool accounting, and the sixty lines of
BALLBRICKS/TESTCELL that computed a minimum translation axis by hand.

Step 8 now registers each brick with SOLID, arms COLLISION 2 and reads the
contact back with RCOLLISION, including the point that costs an evening if it
is missed: the BUMP mask is by sprite, and the balls are sprites 5, 6 and 7,
so their bits are 16, 32 and 64. The FOR-with-equal-bounds rule that every
one-item case in the chapter depends on is now stated where it is first used
rather than referred to from a step that no longer exists.

The listing loses six declarations orphaned by the conversion and the comment
blocks that still described the captures.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwxGB6TdoVvZ11KQQME9cL

2026-08-02 13:13:51 -04:00

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