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Forums > CSDb Discussions > MCL64 – WORLD’S FASTEST COMMODORE 64
2022-01-15 14:44
ciccior2003

Registered: Jun 2012
Posts: 12
MCL64 – WORLD’S FASTEST COMMODORE 64

This open source project seems to be very interesting.
I hope someone can test this product and help implement new features for example REU etc.

https://microcorelabs.wordpress.com/2021/04/19/mcl64-worlds-fas..
 
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2022-01-15 22:22
ciccior2003

Registered: Jun 2012
Posts: 12
It would be possible to replace JAM instructions and NOP duplicates with new custom instructions very easily.
2022-01-15 22:49
Groepaz

Registered: Dec 2001
Posts: 10353
see my first reply :=)
2022-01-16 02:48
Quiss

Registered: Nov 2016
Posts: 30
The title "world's fastest" seems odd given it only cranks up the CPU emulation, to 600Mhz, but a 6502 has already been emulated at 15GHz (https://scarybeastsecurity.blogspot.com/2020/04/clocking-6502-t..)
2022-01-16 04:41
ciccior2003

Registered: Jun 2012
Posts: 12
Quote: The title "world's fastest" seems odd given it only cranks up the CPU emulation, to 600Mhz, but a 6502 has already been emulated at 15GHz (https://scarybeastsecurity.blogspot.com/2020/04/clocking-6502-t..)

Yes you're right, but mcl64 is a drop-in circuit board for the Commodore 64's MOS 6510.
You have to compare it with device used with c64 like Scpu, Turbo Chameleon etc...
2022-01-16 20:25
JackAsser

Registered: Jun 2002
Posts: 1909
Quote: Yes you're right, but mcl64 is a drop-in circuit board for the Commodore 64's MOS 6510.
You have to compare it with device used with c64 like Scpu, Turbo Chameleon etc...


I think you’re missing the point. Projects like this are driven by enthusiasts. Nothing will happen and no feature will be implemented unless an enthusiast implements it. What mere users like you and me wants doesn’t matter with projects like this. If you really want a feature you need to step up and contribute.
2022-01-16 21:02
Oswald

Registered: Apr 2002
Posts: 4765
Quote: I think you’re missing the point. Projects like this are driven by enthusiasts. Nothing will happen and no feature will be implemented unless an enthusiast implements it. What mere users like you and me wants doesn’t matter with projects like this. If you really want a feature you need to step up and contribute.

I think he understands that, but what if he lacks the knowledge / time / motivation, but still whishes for some features ? God forbid he expresses it on a forum ? When I coded project1 I got a lot of feature requests, should I have told the gfxers that STFU here is the source, go and code it for yourself ?

Having a 2nd look I think the original intent was to raise awareness here, and urge some guys to go help if they want.
2022-01-16 21:26
Frantic

Registered: Mar 2003
Posts: 1584
I agree a little bit with everyone.
2022-01-17 07:47
JackAsser

Registered: Jun 2002
Posts: 1909
Quote: I think he understands that, but what if he lacks the knowledge / time / motivation, but still whishes for some features ? God forbid he expresses it on a forum ? When I coded project1 I got a lot of feature requests, should I have told the gfxers that STFU here is the source, go and code it for yourself ?

Having a 2nd look I think the original intent was to raise awareness here, and urge some guys to go help if they want.


Yes maybe so
2022-01-20 12:51
YTM

Registered: Apr 2021
Posts: 2
Quote: I fail to see the point - but if you want to have those things, you should work on them :)

I ordered PCB for that and I got it running recently.
There is total control over what happens on CPU reads/writes, so it's like writing an emulator from inside-out.

I've extended that code to trap tape LOAD into tapecart emulation (for SD card on Teensy) and added a very basic REU emulation but for whatever reason Sonic doesn't run yet.

Once I clean it up a bit it will be published on github.

It's relatively interesting and mildly fun :)
2022-01-22 14:16
Drusalan

Registered: Jul 2019
Posts: 2
I'm new, so I'm not sure what to think yet. Shape me. I'm joking. Greetz.
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