AMOS Picture Bank

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File Format
Name AMOS Picture Bank
Ontology
Extension(s) .abk

AMOS Picture Bank (also called AMOS Pac.Pic.) is a raster graphics format associated with AMOS. See AMOS BASIC tokenized file for more information about AMOS.

It is a subtype AMOS Memory Bank, identified by the name "Pac.Pic.". It may appear in a file by itself, or be contained in AMOS BASIC tokenized file or AMOS AmBs format.

It is not the same as AMOS Sprite Bank or AMOS Icon Bank. Internally, it is similar to STOS packed screen.

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Format details

Some AMOS picture files omit the bank header, so they start with a screen header or a picture header. Those that start with a picture header are difficult to distinguish from raw STOS packed screen format, as both formats start with the same signature bytes: (hex) 06 07 19 63.

Any file without a screen header is presumably not portable, because the screen header is where the palette is defined.

Identification

Files begin with ASCII "AmBk", and have "Pac.Pic." at offset 12.

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