User`s guide

Dear
Ted
-
Sorry but
Irm not
a ham
(though
some would
disagreel)
In
your
letter
you
also ineluded
a c-opy
of a
circuit
taken from
nEUlri-r-'gazine".
Because
I
assume
that
diagrarn is
copyrighted
by
the
publisher
of
REMark,
I
did
not include
it here
as
ygu
requ-ested.
Sti11,
if
any readers
respond
with
similar interests,
ff1l
be happy
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Dear
VIPER
I'm very
impressed with
your
publication.
I soon
Sopg to
publish
my
Vfp-fBOe
mini-assembler- in the VIPER.
The
assembler
is
designed. to work in
a standard
VIP
using
the
hexpad.
This
means that
hexadecimal
op
cgdes
must still be
used.. Ihis
plus
the
lack
of
a4y
macro capability
means I
havenrt
written
a
true assembler. My mini-assembler
wi1I,
,-however,
allow the
writing
of
(Ahhhh)
futty
relocatable
source
codel fhe
assembler
will-support
the
use
-of
labels
and/or
absolute
addressing. AII
branches and subroutine
caIls to
labels
will be
resolved. In
addition, code can
be assembled
to
run
any'place
in RAM
using
a
simplified
ORG directive.
Keep
up
the
good
work.
-
Steven Blasni-k
(P,S,
Tom
Swanrs
rel.ocatable
PC
change was beautiful!
)
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...1F.p_-e_T.npl9.f
:....:...T.o..*
Dear VIPER
-
San
Hershts Editor is especially nice but should be
relocated
to the highest
page
ryith
a
iump
to
it
a! 0200!
-
Then
you
can
rUn
a
progran
in
CIIIP-8
by
loading
all
but
the
first
two
bytes at O2O2, chebking and editing
then
replacing
the
junp-to
at
o2oo
with the first two
bytes
and
run.
(Maybe
it would take a
long branch
and
four
bytes, but
you
get
the
idea) r
Alsor
I
have
a
VIP
for
sale. It
includes 2K
RAM' Tiny
BASICT
inproved
RESET-RUN switch,
2
digit hex
display on outport
port,
I bit
binary
LED
display
for
output,
Cortes audio output
?.np,
switch
for,Tiny
BASIC,
all cables
for TV &
cassette,
AC
power
supply,
a stack
of
documentation
3
to 4
inches thick
(inCtuairrg
.
g}I-Vfpnn
issues),
& original
shipping cartons"
A11
this
for
a
SZ-oo
cashier's check.
-
One
more thi.ng.
Tiny BASIC
needs
an
OUT
statement/command"
(a11
BASICs
are
weak
on this,
I
think).
Who says
you'lI'neVer
warrt to
get
somethj-ng out on
the output
port?
I donrt
favor
any sehemes
for POlGi.ng around with machine
language routines
to accomplish
thiso I'm
working
on
a hardvrare
fix for
it"
Anyone
interested?.
2,OB/og.to