Re: Fully Functional IMSAI-8080 boot CP/M 80 for sale on e-bay

On Sat, 6 Jun 2009 09:11:52 -0700 (PDT), "Mr Emmanuel Roche, France"
<roche182@xxxxxxxxxxx> wrote:

Hello, Andrew!

Allison J. Parent, when I am writing to someone in particular, you are
*NOT* obliged to respond, especially to contradict me without any
reason.


It's a public forum.

(...)  Further doing it using the upd7220
with 1981 designs is a awkward task

??? Did I ever said that one needed to duplicate exactly the graphics
board of the Epson QX-10?

You are the only one that seems to think that.


As to the software, yes, it was there and there is a limitited amount
of useful stuff.  I have the full suite for the Visual 1050.

"Limited amount of useful stuff"... It is you, who is limited,
Allison!

Abusive and off topic as usual. Temper temper.

Show me other portable graphics programs running under CP/M and
another operating system. I have used, as I said, DR Graph and DR Draw
under CP/M 2.2, CP/M Plus, CP/M-86, and MS-DOS. If this is not enough
for you, then what have you been doing, those last 25 years, to remedy
this sorry situation?

You really don't want to go there. While stuff for CP/M2.2 did work
on higher systems with recompiliation at the source level and the
stuff at the application level is portable to the limits of the lowest
common denominator. All you have said is that something like a
script for Multiplan, DBase will run on later version regardless of
of the OS. However the basic script aquires no added abilities
as it was written for the lowest usually the 8bit version. Then
again I can still run CP/M-80 on my Macbook side by side with dos
3.11, handy but really does prove nothing about portability.

By and by if you reread, you will find I never said is wasn't enough
for me or anything close to that. I find it very adequate for my
purposes. However my comment is based on something more
substantial. To most here the WCcdrom has the single most
comprehensive list of all the applications and programs for CP/M
in one place. Of that supposed 19,000 programs how many
are graphic? I'd posit that if there are 200 I've double counted.
Useful, yes, groundbreaking possibly but, not a lot of programs.

No DRI didn't.  DRI never sold a graphics card or a complete system.
They implmented the OS, the graphics layers and a lot of applications
and a sample bios that was machine specific.  So the task that has to
be done yet again is to finsish the task that DRI started.  The is the
code often known as CBIOS or simplified to BIOS.

I have difficulties understanding your "sold a graphics card or a
complete system". DRI was producing CP/M, an operating system, and
various utilities (MAC, SID, TEX, SPOOL, sold separately). Why should
they have had to sell computers or complete systems? What is a
complete system, especially with the S-100 Bus, which is modular?
Wasn't it "system implementors" who were making BIOSes for specific
computer systems? (It is GIOS, not BIOS, in the case of GSX.)

DRI made software that at some abstacted level ran on a lot os varied
hardware. However to run on that hardware there has to be a
compatable BIOS that implments all the components. For example
a basic CP/M-86 BIOS will not support any grpahic without the added
and I add system specific GIOS is you wish GSX nomenclature.

Wasn't it "system implementors" who were making BIOSes for specific
computer systems? (It is GIOS, not BIOS, in the case of GSX.)

Yes if the system had graphics and it was not PRE CP/M86.

Again, what have you been doing, those last 25 years, to "finish the
task"? Contradicting me in public? Is that how you "finish the task"?

Not my task. Mine happens to be control logic, filesystems and
databases on embedded systems. Your still extoling QX-10 while
I read this on 66 inches of screens (yes, my linix box supports
multiple screens, 3 22 inch LCDs, all at high color depth and
resolution.) .

 There were and are tools far better than MAC and SID that are
Z80 aware or designed.

I think that either you are crazy, or totally bad faith. MAC = 8080,
M80 = Z-80. You are comparing apples with oranges. "Each technology
has its advantages and drawbacks."

MAC acknowledges z80 big deal. The tool chain does not assist in
any specific way beyond that. I've used it to assemble code for
RCA1802 as it's a decent macro assembler. It's claim to fame is not
8080 or z80 but that it's a reliable macro assembler. In that sphere
I'm not only comparing it fairly I've used it side by side with other
tools.

Allison

Yours Sincerely,
Mr. Emmanuel Roche, France

.

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