Reference Source

Commodore 64 1581 disk image (D81 format) — file signature A0 33 44 A0 A0 at offset 0x61819

For Commodore 64 1581 disk image (D81 format), hex signature is A0 33 44 A0 A0; offset is 0x61819; extension is d81, recorded from its source on 2026-08-03.

Hex signature
A0 33 44 A0 A0
Offset
0x61819
Extension
d81 verified
Format
Commodore 64 1581 disk image (D81 format) verified
Sourceen.wikipedia.org
Verified
Review by
DatasetFile format magic numbers

What the source says

d81 | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 1581 disk image (D81 format)

en.wikipedia.org, retrieved 2026-08-03

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.