[Coco] FHL Color Flex

[Stephen H. Fischer]

> If I am interpreting what I recall reading in the docs, that would entail
> switching the circuit from 250 kilobaud to 125 kilobaud and changing the
> code for straight rather than NRZ.  My problem is that I do not recall 
> ever
> seeing any references to such a control in the disk controller docs.


10 ' FHL COLOR FLEX V5.0:2
11 '
12 ' FRANK HOGG LABORATORY, INC.
13 ' THE REGENCY TOWER
14 ' SYRACUSE, NY 13203
15 ' (315) 474-7856
16 '
17 CLEAR 999
18 DSKI$ 0,16,9,A$,B$
19 C$=A$+LEFT$(B$,127)
20 P=VARPTR(C$)+1
21 POKE P,126
22 EXEC P

Hi,

this is the boot code for FLEX from "188AA_02.DSK".

As this program is read by DECB, line 18 says to me that track 0 is 
double-density.

Anyone think otherwise?

SHF

----- Original Message ----- 
From: "Gene Heskett" <gheskett at wdtv.com>
To: <coco at maltedmedia.com>
Sent: Friday, April 05, 2013 5:48 PM
Subject: Re: [Coco] FHL Color Flex


> On Friday 05 April 2013 20:36:26 Bob Devries did opine:
>
>> Hi all,
>>
>> I have unearthed a disk here of FLEX 3.3. It *does* work on the Coco3; I
>> booted it, and typed "cat" and got a file listing.
>>
>> However... It is as I suspected, track 0 of the disk is not a standard
>> format (probably single-density); it returns I/O error when I try to
>> read it.
>>
>> Does anyone know if it is possible to image such a disk?
>
> No I do not know, Bob.  OS9 has a T0S (sectors) for track 0, but I've 
> never
> played with a track 0 that wasn't the same density as the rest of the 
> disks
> tracks.  But it might make for some interesting experimentation.
>
> If I am interpreting what I recall reading in the docs, that would entail
> switching the circuit from 250 kilobaud to 125 kilobaud and changing the
> code for straight rather than NRZ.  My problem is that I do not recall 
> ever
> seeing any references to such a control in the disk controller docs.
>
> IF the 1773 can be switched is another detail I don't have at my
> fingertips.  If it can, then the problem is possibly going to be the
> finding of an available byte to hide the switch data in, AND making sure 
> it
> gets written  to the 1773 on a T0 access.
>
>> Regards, Bob Devries
>> Dalby, QLD, Australia
>>
>> ----- Original Message -----
>> From: "Luis Fernأ،ndez" <luis46coco at hotmail.com>
>> To: "COCO" <coco at maltedmedia.com>
>> Sent: Saturday, April 06, 2013 1:02 AM
>> Subject: Re: [Coco] FHL Color Flex
>>
>> > What is the link for the version 5.0:4​​?
>> > another thing
>> > vcc tried, and if I started but the keyboard will not let me pass the
>> > date while entering a number, writes 01234567
>> > I tried everything but does not improve
>> > CONCLUSION The FLEX version 5.0:2, and 5.0:3 operate at VCC (Coco3)
>> > but not the keyboard.
>> > will try with another DECB
>> >
>> >> From: computerdoc at sc.rr.com
>> >> To: coco at maltedmedia.com
>> >> Date: Fri, 5 Apr 2013 07:22:53 -0400
>> >> Subject: Re: [Coco] FHL Color Flex
>> >>
>> >> The FHL Color Flex Complete Manual refers to a 5.0:4 version.  Does
>> >> anyone
>> >> have this version?
>> >> Is there an OCR version of this manual?  Searching this pdf version
>> >> is impossible.  Thumbing through all the pages to find a particular
>> >> piece of information is the only way to find anything.
>> >> Kip
>> >>
>
> Cheers, Gene
> -- 
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