ABC Tools

browser utilities
Swedish computers preservation workspace — disk convert, decode, and archive browse
Monroe OC8820 · OS8 4680

OS8 Disk Decoder

Load Monroe/OS8 or OC 8800 CP/M IMG/HFE/IMD/SCP images in the browser. Parses VDS or CP/M directories client-side — aligned with monroeread.

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Pure client-side · OS8 / CP/M / Monroe
Format: monroeread · CP/M · HFE
VDS/MFOP/ALOP/HPT from Monroe MOS & live images  ·  HFE: Greaseweazle
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1

Select Disk Format

Leave blank or pick a format — size / VDS.MXSA auto-detect matches monroeread. HFE flux needs an explicit or detected geometry.
HFE Source Info
Format Info
▶ Show all formats reference table
Format Tracks Sides Sec/trk Clust Sectors Size Sys sec MFD sec MFD count
2

Load Disk File

Drop .img/.hfe/.imd/.scp/.dsk file here, or click to browse
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3

Options

Monroe/OS8 sector images are linear (no interleave) — .img and .dsk are the same layout.

4

Disk Contents

Name Path Sectors ~Bytes Hdr sec CRC32 Status Action
5

Sector Hex Viewer