Trying emulate HC2000 computer on Spectrum core with MiST

[desUBIKado]

The HC-2000 was a rumanian computer compatible with the Sinclair Spectrum but could run as well the CP/M operating system and all its associated software.

00HC2000.jpg

A YouTube video with a real HC 2000 computer: https://www.youtube.com/watch?v=dlqwF3VTiZA


In this page there is a project to emulate it under Spectaculator emulator.

HC 2000 Emulator for Sinclair Spectrum +3 by Rares Atodiresei

HC 2000 emulator that runs on Sinclair Spectrum +3. It has floppy disk support. It consists on IF1 ROM patches that change the floppy disk access ports to those used on +3. It also relies on writable memory provided by Multiface interface.

I tested on Spectaculator and works very well. Some screens:

01HC2000.png

02HC2000.png

03HC2000.png

04HC2000.png

06HC2000.png

09HC2000.png

I created a spectrum.rom file for 20180922 version of Spectrum core.

spectrum.rom-hc2000.zip

The spectrum.rom format is: GLUK + TRDOS + 128K + 48K + 4xPlus3 + PlusD + MF128 + MF3, 8k ROMs are padded to 16k.

I have replaced 4xPLus3 with PL3HC.ROM

But don't work because this core don't enable writes to Multiface 3 rom.

Is it possible to add this functionality to the Spectrum core?

[slingshot]

How it supposed to work an a real +3 with Multiface 3? I don't feel these "Emulator only" hacks should be added.

[desUBIKado]

How it supposed to work an a real +3 with Multiface 3? I don't feel these "Emulator only" hacks should be added.

Text inside readme.txt file

This emu will NOT work on a real +3 because Multiface3 ROM will not allow writes as
in Spectaculator. But, a simple interface with 16k of sram wich will page in and out
as Multiface3 does (read port 63 / port 191 for page IN/OUT) will launch this little
devil onto a real +3 (some minimum modifications for motor delays reqiured). So if
someone can build such thing write me to: rares_74@yahoo.com, or in Romanian HomeComputer
Group directed by George Chirtoaca.

[desUBIKado]

Some videos:

Start up on MiST: https://drive.google.com/open?id=16uPLQ ... _O_pTyWkFA

Disc operations on Spectaculator: https://drive.google.com/open?id=1fh4Q3 ... 3fO_kElKJg

CP/M on Spectaculator: https://drive.google.com/open?id=1HEbRt ... iZ0FD7-wlG

[desUBIKado]

Finally I get virtualize the ICE Felix HC 2000 on my Mistica FPGA16. I explain it here in Spanish.