Volex TTX2000 S Issue 1.2: Routine at 1600

1600: return_to_STOP: Prepare to execute STOP with no variables.

Used by the routine at parse_download.
This routine replaces code from the OEL Issue 2.3 ROM.
return_to_STOP	1600	LD HL,$5CCB	Set VARS to $5CCB.
	1603	LD ($5C4B),HL	Set VARS to $5CCB.
	1606	LD (HL),$80	Store $80 (BASIC terminator) at $5CCB.
	1608	INC HL	Set E-LINE to $5CCC.
	1609	LD ($5C59),HL	Set E-LINE to $5CCC.
	160C	LD (HL),$E2	Store $E2 (BASIC STOP token) at $5CCC.
	160E	INC HL	Store $0D (BASIC newline) at next address.
	160F	LD (HL),$0D	Store $0D (BASIC newline) at next address.
	1611	INC HL	Store $80 (BASIC terminator) at next address.
	1612	LD (HL),$80	Store $80 (BASIC terminator) at next address.
	1614	INC HL	Store next address in WORKSP and return.
	1615	LD ($5C61),HL
	1618	RET