reorg: smallconv.c moved from ffstools/cal2text to librftab This module contains write_afcdac_ascii() and write_stdmap_ascii() functions; the plan is to make them available to other programs, particularly the upcoming addition of RF table dump to tiffs.

	.text
	.code	32
	.globl	memcpy16
memcpy16:
1:	subs	r2, r2, #2
	ldrcsh	r3, [r1], #2
	strcsh	r3, [r0], #2
	bhi	1b
	bx	lr