Re: Jon Relay's Apple II Info Archives: Zero Page Addresses

[Pim Blokland <nipp@plane.nl>]

Here are some more adjustments or clarifications to the zero page
memory usage table...

$22     - Top Margin (0 - 23, 0 is default, 20 in graphics mode)
$D8     - Error Flag (>=128 if error handler active)
$F3     - Text OR mask (for flashing text)
$F4-$F5 - address of error handler (points to line number after ONERR GOTO...)

-- 
Groetjes, Pim

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