Here are some tools I wrote for my Quaderno (NEC V30 version)
Author: aw4@inf.tu-dresden.de (Andreas Westfeld)
	dl1dsx@db0tud

XLO      COM        13 01.08.93   14:18
	very low clock rate
INVERT   COM        11 09.08.93   23:45
	invers screen
NORMAL   COM        11 10.08.93    0:09
	normal screen
USA      COM        21 10.08.93   14:32
	codepage 437 (instead of 850 default)
C0       COM        21 11.08.93   11:58
	switch off serial port (saves a little power)
C1       COM        50 11.08.93   12:47
	switch on serial port (if configured "ON")
KLEIN    COM         6 23.07.93   12:30
	video mode 80 x 50 characters (graphic mode)
PARK     COM        49 09.03.94    9:35
	switch off HDD
8        COM        14 06.09.93   20:45
	make 8 more readable on screen (font patch)
CURSOR   COM         9 02.09.93   15:42
	make a big cursor
NODOZE   COM        11 13.09.93   15:12
	switch off power saving features (e. g. for packet radio)
DOZE     COM        12 04.12.93    9:18
	switch on power saving features
RECFG    COM        63 15.09.93   21:32
	configure my defaults, see the .asm files I included
CURS     COM        77 01.10.93   14:06
	resident version of big cursor
80       COM        21 21.01.94   12:01
	font patch (makes 8 and 0 more different on screen)
HDD      COM        12 01.03.94   12:45
	set HDD swtich off time for actual session to 30 seconds
ZEIT     COM        16 04.03.94   14:59
	display the time on the little LCD below the screen
WAV2VOI  COM      4973 15.03.94   15:16
	converts *.wav audio files to *.voi