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Re: [TowerTalk] DOS?

To: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Subject: Re: [TowerTalk] DOS?
From: Charles Gallo <charlie@thegallos.com>
Date: Wed, 12 Oct 2016 18:50:18 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Roger,
VB 4,5 and 6 were compiled, but need a run time library. VB.net is JIT compiled 
like Java, however the latest 1 or 2 give the ability to pre compile, just like 
C#

--  
73 de KG2V
Charlie

> On Oct 12, 2016, at 4:28 PM, Roger (K8RI) on TT <K8RI-on-TowerTalk@tm.net> 
> wrote:
> 
> Basic is not a compiled language as opposed to Visual Basic (VB). The source 
> is "interpreted" at run time. IOW: Virtually any DOS machine will run BASIC.  
> Emulators?
> 
> BASIC is very easy to understand. Rewriting from BASIC to VB is "usually" a 
> relatively easy task, although some programmers can write some rather obtuse 
> code that defies understanding. VB uses the Dynamic Linked Libraries (DLLs) 
> present in windows making the compiled version much larger than the source 
> code.
> 
> If written in BASIC, it's likely it wasn't written by a professional 
> programmer. Figure out what it's doing, flow chart it, and then code it in VB.
> 
> I doubt it's more than a couple pages long. Few "BASIC" programs were.
> BASIC = Beginning All Purpose Instruction Code.
> 
> It would likely be easy to redo the entire thing in Visual Basic and then 
> compiled. It then it "should" run on most flavors of Windows although I'd not 
> go for any older than XP.
> 
> If the BASIC simulators have problems. I'd rewrite and compile it on XP if 
> available and hope for the best. Otherwise all that is necessary is to run 
> the rewritten source code through a VB compiler on that version of Windows.
> 
> NOTE: The compilers that come in instruction books, normally do not write 
> portable code. The compiled result will run only on that computer.
> 
> I wrote a rather elaborate search program in VB for the big fly-in at Oshkosh 
> (Now called Airventure). When I went to install it on their computer, I 
> discovered that I hadn't brought the correct disks. I could fly back home and 
> retrieve the correct disks at 4 hours in a Bonanza burning 14.5 gallons of Av 
> Gas per hour, or write it, starting from scratch. I rewrote about 10 pages of 
> source code and compiled it in about a day and a half.  If you do it for a 
> living, it's "normally" not a big deal.
> 
> Yes I have a BS in CS with a Math minor, plus work toward a Masters.  A good 
> job offer ended that.
> 
> 73
> 
> Roger (K8RI)
> 
> 
>> On 10/12/2016 Wednesday 8:04 AM, Bryan Fields wrote:
>>> On 10/11/16 12:57 PM, K7LXC--- via TowerTalk wrote:
>>>     I sell a little app for mast calculations called  MARC (Mast, Antenna
>>> and Rotator Calculator) and it was written in ye olde days  of DOS. It has 
>>> an
>>> early version for Windows as well but doesn't work on any  current
>>> operating systems. Is there someone out that could update it for me? I  
>>> don't know
>>> what's involved but will be willing to pay for your efforts.  Tnx.
>> Why not open source it?  I doubt it will be easy to port it vs. a complete
>> rewrite if it's a compiled basic program.
>> 
>> 73's
> 
> 
> -- 
> 
> 73
> 
> Roger (K8RI)
> 
> 
> ---
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