Gary, 

What are you complaining about... (time for a "log cabin story")
try spending nearly an hour entering code into a non key-bounced 
(keypad) machine, then having it go off to never-never land when 
you tried to save the memory to cassette tape or some of the 
early 5.25" disks. 

And the Vic 20 and 64 has/had a quasi serial floppy drive that 
still cracks me up just thinking about it.

Circa 1984/85 one of the Service Monitor Mfgrs came out with 
a new product using the Vic 20 for an external computer 
interface. I of course wasn't interested because I was 
throwing my money into the TRS-80 Model I/III pit. That monitor 
(can't remember who they were) actually came out with the 
Vic 20 Interface option

Wouldn't be hard to make a software repeater controller and 
a few people have offered both Parallel (printer) and serial 
port interfaces.  I'm looking at the Manual for a PCRC II 
controller I picked up a few months back. Otherwise it's hard 
to beat the power of newer generation pic processors. 

The only serious caution I would place on any repeater running 
a computer type external repeater controller is to 
include a fixed hardware transmit logic time out timer... just 
so you don't become famous or smoke something. I haven't met 
a computer or repeater controller yet that hasn't locked up 
or farted at least once... with the possible exception of a 
Linux Machine or two....  where I would also include the 
hardware time out timer just to be able to sleep at night. 

cheers, 
s. 


> "Gary Glaenzer" <[EMAIL PROTECTED]> wrote:
> two words come to mind when recalling the VIC's
> 'syntax error'........................AAARRRRGGGGGGGGHHHHHHHHHH !



>   From: Brian 
>   To: [email protected] 
>   Sent: Thursday, June 19, 2008 7:18 AM
>   Subject: Re: [Repeater-Builder] Re: software repeater controller
> 
> 
>   Hey
> 
>   Back in the late 80's I made a repeater controller with a vic20. I 
>   added a little board to the I/O port for the TX transistor and
cheated 
>   by using a 555 timer for the cw osc :) . There was a second board 
>   plugged into the 22/44 connector which had the program. The
program in 
>   the plugin board had a program on it so that the vic 20 would run the 
>   controller program when it powered up. It was the same technique used 
>   by the plug in games. 
> 
>   All the software was in assembly language. I think I had 2 of them 
>   running for a while, one ran for 10 years before I actually made a
PIC 
>   board, which now had been running on that same repeater for 7 years.
> 
>   73
>   Brian
>   ka9pmm
> 
>   Robert Pease wrote:
>   >
>   > You have to write it. It programs in basic. Just don't lose
power or 
>   > you will be reentering it
>   >
>   > Sent by Good Messaging (www.good.com)
>   >
>   >
>   > -----Original Message-----
>   > From: Mike Reed [mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>]
>   > Sent: Thursday, June 19, 2008 12:09 AM Eastern Standard Time
>   > To: [email protected]
>   > Subject: Re: [Repeater-Builder] Re: software repeater controller
>   >
>   > Repeater software for Vic-20's? Have the machines, need the
software, 
>   > don't know where to find it. I could use a copy of it for local
project.
>   > 73
>   > Mike - N7ZEF
>   >
>   > ----- Original Message -----
>   > From: N0ATH
>   > To: [email protected]
>   > Sent: Wednesday, June 18, 2008 1:18 PM
>   > Subject: Re: [Repeater-Builder] Re: software repeater controller
>   >
>   >
>   > Remember em? I am still using em! Dave / NĂ˜ATH
>   > ----- Original Message -----
>   > From: jistabout
>   > To: [email protected]
>   > Sent: Wednesday, June 18, 2008 2:15 PM
>   > Subject: [Repeater-Builder] Re: software repeater controller
>   >
>   >
>   > --- In [email protected], "Alexandre Souza"
<alexandre-
>   > listas@> wrote:
>   > >
>   > > > For multiple audio ports these days I'd recommend using USB
audio
>   > > > devices. ISA slots are way gone and PCI slots aren't far behind.
>   > For
>   > > > an embedded PC controlling radios 24/7 you want something small,
>   > quiet
>   > > > and low power, most form factors that fit that description
usually
>   > > > have few if any PCI slots.
>   > >
>   > > A PC controlling a repeater?!?!?! What is the problem of using
>   > a small
>   > > microcontroller, with some BASIC programming???
>   > >
>   > > You are using a cannon to kill a microbe he he he
>   > >
>   >
>   > Not at all. Using a PC to control a repeater as complex as the
system
>   > here with remotes etc. is a perfectly logical choice and allows
>   > nearly unlimited flexability.
>   >
> 
> The original controller on the system here back in the mid 1980s was
>   > a Commodore VIC-20 :). Any young'ens remember those?
>   > - Darrell/KA7BTV


Reply via email to