* [[Graduate Software]] provided a version of CP/M+ on ROM.
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Various utilities also patched CP/M to use extended disc formats and to support Amstrad peripherals.which included:* [[DkTronics_CPM|Dk'Tronics patches for CP/M]]* [[ROMDOS|RAMDOS/ROMDOS patches patched for CPM2.2 and CP/M+to use RAMDOS/ROMDOS disc formats]]
CP/M versions relating to the Amstrad CPC