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No serious changes.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Remove extra progn wrappers now that cond, lambda and while all
support implicit ones.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Note range of existing chunks to exclude objects outside.
Only look at chunks which have been set to reduce loop cost.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Make the towers symmetrical instead of lopsided. Much nicer looking.
Signed-off-by: Keith Packard <keithp@keithp.com>
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It's now in ROM.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This function is now a builtin.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Repaint in place, without first clearing. This makes the updates a lot
clealyer looking.
Signed-off-by: Keith Packard <keithp@keithp.com>
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The CRC is actually of the ROM bits, so we can tell if the restored
image relates to the currently running code.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Allow testing of the save/restore code under Linux.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These two operations both wanted to walk the referenced objects;
sharing is caring.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Uses vt100 escape sequences to animate the display even.
Signed-off-by: Keith Packard <keithp@keithp.com>
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