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added BASIC_PET2001

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Michael Steil 2 years ago
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      README.md

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@@ -36,6 +36,14 @@ The sources have been verified to build the correct -03 KERNAL binary, but no gu
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 It does not contain the version byte at $FF80 (which is $AA in the binary) or the "RRBY" signature at $FFF6.
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+## BASIC_PET2001
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+The PET 2001 BASIC source (V2, 1978).
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+* This is Microsoft's original source that can also build BASIC for other systems, like OSI and Apple.
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+* On the PET, this was called BASIC V2, Microsoft called it V1.1.
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+* It includes the "WAIT6502,1" easter egg (symbol "ZSTORDO").
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 ## BASIC_CBM2_[AB], KERNAL_CBM2_[AB], EDITOR_CBM2
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 The CBM2 BASIC, EDITOR and KERNAL sources (1983/1984). The A version is from <a href="https://www.davidviner.com/cbm9.html">David Viner</a>, and the B version is from disks 67/68 of the <a href="http://www.zimmers.net/anonftp/pub/cbm/b/CBUG/">CBUG</a> library. The files have been converted to LF line breaks and LST-style indenting.

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