Amstrad DDI-1 manual File has a header

Copying files from one disc to another in a two drive system is normally easier with the CP/M utility PIP, see CP/M primer.

		COPY FROM:
COPY TO:	AMSTRAD BASIC	ASCII data	Binary
	on tape *	on tape *	on tape *
AMSTRAD BASIC on	TAPE
tape *	LOAD”FILE”
	<change tapes>
	SAVE “FILE”
	DISC		H = HIMEM
Binary on tape *
			TAPE
			MEMORY <s>-1
			LOAD”FILE”
			<change tapes>
			SAVE“FILE”
			,B,<s>,<l>[,<r>]
			DISC
			MEMORY H
			<note 2>
ASCII	TAPE	CPM
on tape *	LOAD”FILE”	CLOAD“FILE”,
	<change tapes>	TEMP
	SAVE “FILE”,A	<change tapes>
	DISC	CSAVE TEMP
		,”FILE”
		ERA TEMP
		AMSDOS
		<note 1>
AMSTRAD BASIC on	TAPE
disc *	LOAD”FILE”
	DISC
	SAVE”FILE”
ASCII on disc	TAPE	CPM
	LOAD”FILE”	CLOAD”FILE”
	DISC	AMSDOS
	LOAD”FILE”,A		H = HIMEM
Binary on disc *
			TAPE
			MEMORY <s>-1
			LOAD”FILE”
			DISC
			SAVE “FILE”
			,B,<s>,<l>[,<r>]
			MEMORY H
			<note 2>

* File has a header

<note 1> Requires free disc space for temporary file “TEMP”

<note 2> <s> is start address of file, <l> is length, <r> is optional run address.

Chapter 2.11 AMSTRAD Disc Drive & Interface DDI-1 Manual