LD	A,+0D	Follow the 'new name' with
		RST	0010,PRINT-A-1	a 'carriage return'.

The correct header has been found and the time has come to consider the three commands LOAD, VERIFY, & MERGE separately.

		POP	HL	Fetch the pointer.
		LD	A,(IX+00)	'SCREEN$ and CODE' are
		CP	+03	handled with VERIFY.
		JR	Z,07CB,VR-CONTRL
		LD	A,(T-ADDR-lo)	Jump forward if using a
		DEC	A	LOAD command.
		JP	Z,0808,LD-CONTRL
		CP	+02	Jump forward if using a MERGE
		JP	Z,08B6,ME-CONTRL	command; continue with a
				VERIFY command.

THE 'VERIFY' CONTROL ROUTINE
The verification process involves the LOADing of a block of data, a byte at a time, but the bytes are not stored - only checked. This routine is also used to LOAD blocks of data that have been described with 'SCREEN$ & CODE'.

07CB	VR-CONTRL	PUSH	HL	Save the 'pointer'.
		LD	L,(IX-06)	Fetch the 'number of bytes'
		LD	H,(IX-05)	as described in the 'old' header.
		LD	E,(IX+0B)	Fetch also the number from the
		LD	D,(IX+0C)	'new' header.
		LD	A,H	Jump forward if the 'length' is
		OR	L	unspecified.
		JR	Z,07E9,VR-CONT-1	e.g. 'LOAD name CODE' only.
		SBC	HL,DE	Give report R if attempting
		JR	C,0806,REPORT-R	to LOAD a larger block than has
				been requested.
		JR	Z,07E9,VR-CONT-1	Accept equal 'lengths'.
		LD	A,(IX+00)	Also give report R if trying
		CP	+03	to VERIFY blocks that are of
		JR	NZ,0806,REPORT-R	unequal size. ('Old length'
				greater than 'new length'.)

The routine continues by considering the 'destination pointer'.

07E9	VR-CONT-1	POP	HL	Fetch the 'pointer', i.e. the
				'start'.
		LD	A,H	This 'pointer' will be used
		OR	L	unless it is zero, in which
		JR	NZ,07F4,VR-CONT-2	case the 'start' found in
		LD	L,(IX+0D)	the 'new' header will be used
		LD	H,(IX+0E)	instead.

The VERIFY/LOAD flag is now considered and the actual LOAD made.

07F4	VR-CONT-2	PUSH	HL	Move the 'pointer' to the
		POP	IX	IX register pair.
		LD	A,(T-ADDR-lo)	Jump forward unless using
		CP	+02	the VERIFY command; with
		SCF		the carry flag signalling
		JR	NZ,0800,VR-CONT-3	'LOAD'
		AND	A	Signal 'VERIFY'.
0800	VR-CONT-3	LD	A,+FF	Signal 'accept data block only'
				before LOADing the block.

THE 'LOAD A DATA BLOCK' SUBROUTINE
This subroutine is common to all the 'LOADing' routines. In the case of LOAD & VERIFY it acts as a full return from the cassette handling routines but in the case of MERGE the data block has yet to be 'MERGEd'.

0802	LD-BLOCK	CALL	0556,LD-BYTES	LOAD/VERIFY a data block.
		RET	C	Return unless an error.