The 4 BASIC editor bytes should be regarded as a big endian word, MSB in CMOS byte 149.
Bit(s) Meaning
0-2 Foreground colour
3 set => Auto indent
4-6 Background colour
7 set => Insert
8-15 Mode (16 colours or less)
16-21 Tab length
22,23 ?
24 set => steady cursor
27-31 Checksum
Checksum is NOT (number of bits set in bits 0-26). If the checksum is invalid the BASIC editor defaults to &C300CF.
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