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ampro

CP/M

The Ampro Little Board was a very simple and cheap Z80-based computer from 1984, which ran CP/M. It was, in fact, a single PCB which you could mount on the bottom of a 5.25" drive.

All about the Ampro Little Board

It stored either 400kB on a double-sided 40-track drive or 800kB on a double-sided 80 track drive. The disk format it used was a slightly quirky variation of the standard MFM IBM scheme --- sector numbering starts at 17 rather than 1 (or Acorn's 0). FluxEngine supports this.

FluxEngine has direct filesystem support for these disks, or you can pass the disk images into cpmtools:

$ cpmls -f ampdsdd ampro.img
0:
-a60014.e
amprodsk.com
bitchk.doc
bitchk.mac
cpmmac.mac
dir.com
himem.doc
himem.mac
kaydiag.lbr
kayinfo.lbr
...etc...

Options

  • Format variants:
    • 400: 400kB 40-track DSDD
    • 800: 800kB 80-track DSDD

Examples

To read:

  • fluxengine read ampro --400 -s drive:0 -o ampro.img
  • fluxengine read ampro --800 -s drive:0 -o ampro.img

References