Spectrum ROM: Routine at 0ECD

0ECD: THE 'COPY-BUFF' SUBROUTINE

Used by the routines at PO_ENTER, PO_ANY and MAIN_EXEC. This subroutine is called whenever the printer buffer is to have its contents passed to the printer.
COPY_BUFF	0ECD	DI	Disable the maskable interrupt.
	0ECE	LD HL,$5B00	The base address of the printer buffer.
	0ED1	LD B,$08	There are eight pixel lines.
COPY_3	0ED3	PUSH BC	Save the line number.
	0ED4	CALL COPY_LINE	Print the line.
	0ED7	POP BC	Fetch the line number.
	0ED8	DJNZ COPY_3	Jump back until 8 lines have been printed.
This entry point is used by the routine at COPY.
COPY_END	0EDA	LD A,$04	Stop the printer motor.
	0EDC	OUT ($FB),A	Stop the printer motor.
	0EDE	EI	Enable the maskable interrupt and continue into CLEAR_PRB.