4Data Telesoftware Adaptor Issue 1.2: Routine at 08C4

08C4: clear_page_buffer: Clear page display buffer to spaces.

Used by the routines at display_menu, enter_subcode_and_clear, select_channel and start_telesoftware.
clear_page_buffer	08C4	PUSH BC	Preserve registers.
	08C5	PUSH DE
	08C6	PUSH HL
	08C7	LD HL,(page_display_buffer_pointer)	Fill 952 bytes with $20 (space character) from byte 8 of page display buffer.
	08CA	LD BC,$0008
	08CD	ADD HL,BC
	08CE	LD D,H
	08CF	LD E,L
	08D0	INC DE
	08D1	LD (HL),$20
	08D3	LD BC,$03B8
	08D6	LDIR
	08D8	CALL clear_screen	Clear the screen.
	08DB	POP HL	Restore registers and return.
	08DC	POP DE
	08DD	POP BC
	08DE	RET