Orel BK-08
ZXNet echo conference «zxnet.soft»
Hello, All
Hello everyone!
There was such a domestic clone of the Spectrum "Orel BK-08", I even found a photo of it on
this forum in the hardware section. I had one like that too.
Of course, I don’t expect there to be a full-fledged emulator of this particular clone,
but I would like to find an image of its ROM, maybe it will work on a regular emulator without
particularly noticeable glitches :smile; AND; there was also such a program for it
RAPID-OS, in CODE 0, 16384 format which was loaded into “shadow” RAM as
an alternative version of BASIC, increasing compatibility with the original Spectrum
plus the ability to read/write to tape at triple speed. I want it too
:wink;
Help,; nostalgia tormented me! :v2_cry:
Hello Masick
Contact Conan, I sent him tzx ROMs. If it endures, then the device is standing,
but it takes time to build everything again...
Hello Masick
I sent Orel's tzx to Conan, please contact him directly or via PM.
It may not work on a “regular” emulator, because there is a mess with the Russian font. IMHO
Hello rw6hrm
I fiddled with Conan a little, and he sent the image. Thank you both for your attention.
Everything works fine on a regular emulator, but it’s just problematic to enter certain
symbols, since Aurelie’s keyboard is designed a little differently. I never did
I was able to find how quotes are entered. I had to enter LOAD ab instead of LOAD "" and find
using the E_LINE system variable, an edited line in memory, using stupid means
emulsion, correct cells from ab to "" and save the snapshot, from which I load
programs for Orel. They work, ruleszzzz :)
Hello Masick
Extended Aurelie buttons do not work because they are read through the 7th and 5th bits
FE port, which, it seems, is not supported by any emulator (quotes were in
on one of these keys). He also had full-fledged Russification - in the line
In BASIC it was possible to enter both Russian and Latin characters.
And it also had shadow RAM in the lower addresses, enabled via NMI :) (And what kind of
Aurélie had a reed switch keyboard... :) )
Hello weiv
Well, that's what I'm talking about :)
By the way, did NMI include shadow RAM? It seems like it just called RST 38.
(If I'm wrong, don't kick your boots painfully in the face ;) ). And the RAM turned on
recording to port OUT 127, 2. Although I remember that clicking on NMI loaded
monitor-debugger, supplied on a cassette with Orel, which was loaded into the lower
addresses. It turns out that the memory page also had to be switched :confused;
PS.; Damn, they made me look up the word “reed switch” in Wikipedia :) Yes,
the keyboard was awesome.
ZZY. Part of me regrets that I gave my Orelka to someone. And the other part of me
says: “I wish you had connected it anyway, I’ve already installed one kinescope -
that's enough."
ZZZY. RAPID-OS still not found :v2_cry:
Hello Masick
Yes, shadow RAM was enabled via port 7F, and in the NMI handler (at address 0066)
there was a switch command. (The debugger had to be loaded in advance).
I had Rapid-OS on tape a long time ago, but I wasn't impressed. How much
I remember it differed from the usual Orelev firmware only in its simplified
displaying error messages - the code and location of the error were displayed (in D-Report format
0:1), and in the free space of the ROM a loader is placed from a tape on a triple
speed. And the screen is blue instead of white.
Hello weiv
RAPID-OS further increased compatibility with the original spec. The car did not hang from
BASIC operator COPY, did not hang when compiling the melody in WHAM and when outputting
Help screen in it. In Rapid, a program in BASIC started working, which
Using POKE, a loop and LPRINT, I output large letters stretched vertically
to the screen. One of the disadvantages of rapid (although this is not an important point) is if at some point
line there is a hidden transition symbol to Russian and there is no transition to
English, listing keywords are also spoiled :)
And the screen was black, with yellow letters :)
PS. I lost Rapid due to stupidity. It was recorded at the end of the tape, and the beginning and
the end of the cassette is always the least reliable place :) And when were there problems with
loading, I tried to load it successfully, and again saved it over, but with
shift the tape forward, starting from the crumbled section of the tape. And he moved
:( Recorded it on tape, was too lazy to check (or the computer froze, so
I just didn’t have time, I don’t remember), and it turned out that the end of the recording was in white
section of the tape :v2_cry:
Hello Masick
Unfortunately, I can't help you. Having rummaged through the caches, cassettes with a possible copy
I didn't find Rapid OS. :(
Hello weiv
Thanks for your concern anyway.