INT 1A - SNAP.EXE 3.2+ - "SNAP_COPYFROM" - COPY DATA FROM RESIDENT SNAP PACKAGE
	AX = 6D04h
	STACK:	WORD	offset within SNAP data segment of source buffer
		WORD	segment of destination buffer
		WORD	offset of destination buffer
		WORD	number of bytes to copy
Return: AX = offset of byte after last one copied from source
	buffer filled
	STACK unchanged
SeeAlso: AX=6C04h