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Index > Projects and Ideas > [IDEA]Implement transistor-level simulator

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LocoDelAssembly
Your code has a bug


Joined: 06 May 2005
Posts: 4633
Location: Argentina
LocoDelAssembly
Take a look at this: http://visual6502.org/

Also for some background watch: http://www.youtube.com/watch?v=uP1gWg5ezyY

The idea would be implementing the simulator that could be useful as a replacement for JScript Sim, as a library for emulators using the chip, or both. In some part of the video is demoed a C implementation of the simulator running a COMMODORE BASIC start up process which would somewhat fit in the "simulator library" category.

If this is a bad idea yet I hope you enjoyed the information provided in the links above as I did Razz
Post 26 Mar 2011, 20:16
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JohnFound



Joined: 16 Jun 2003
Posts: 3502
Location: Bulgaria
JohnFound
This project is interesting but really useless. Very Happy
And how these people can use Java script for such project????
Post 26 Mar 2011, 23:06
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roboman



Joined: 03 Dec 2006
Posts: 122
Location: USA
roboman
good idea, bad idea? It's a cool idea. Looks like the people involved are having fun in digging through things to discover the logic behind them.
Post 26 Mar 2011, 23:28
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 17484
Location: In your JS exploiting you and your system
revolution
Welcome back LocoDelAssembly after almost five months. I hope you had a good holiday camping in the mountains of inner Mongolia.

As for the simulator: Do you intend to write an assembly version to try and gain more speed? Or is there another purpose?
Post 26 Mar 2011, 23:33
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LocoDelAssembly
Your code has a bug


Joined: 06 May 2005
Posts: 4633
Location: Argentina
LocoDelAssembly
revolution wrote:

As for the simulator: Do you intend to write an assembly version to try and gain more speed? Or is there another purpose?
Yes, for this purpose. Since they mention they will be providing a GPU version, then I assumed that perhaps well-written ASM and also making use of SSE/AVX and maybe some threading may help here to speed up over the (not public yet) C version.

JohnFound, the purpose of doing this (besides historical preservation purposes), is to make more accurate emulators.
Post 27 Mar 2011, 00:17
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madmatt



Joined: 07 Oct 2003
Posts: 1045
Location: Michigan, USA
madmatt
Seems like overkill for an ancient cpu. All you need for good emulation is accurate cycle counts for each instruction and each addressing mode.
Post 29 Mar 2011, 11:42
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shoorick



Joined: 25 Feb 2005
Posts: 1607
Location: Ukraine
shoorick
Post 29 Mar 2011, 13:36
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