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PostPosted: Mon Mar 13, 2006 5:23 pm 
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Can you prove that screenshot is not taken from an emulator?


That got a big laugh out of me. Can I even prove it's from any NES, emulated or real? If you trust others here, you could have them take a screenshot of it running on their (Copy)NES systems.

I suppose the most reliable proof if you don't have the ability to run it on a NES is to post the source code. I need to change my setup to cc65 or some standard assembler rather than mine.

Maybe it's time someone set up the web-connected NES tester where you can upload your ROM and see screenshots/hear an audio recording of it. It'd be pretty easy to figure out whether it's an emulator, heh.


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PostPosted: Mon Mar 13, 2006 8:52 pm 
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blargg wrote:
I suppose the most reliable proof if you don't have the ability to run it on a NES is to post the source code. I need to change my setup to cc65 or some standard assembler rather than mine.


I was able to run it through NESrev to get X816 compatible code.

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PostPosted: Tue Mar 14, 2006 3:07 am 
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Quote:
Can you prove that screenshot is not taken from an emulator?


I reckon blargg created the picture in MS Paint one night when he was bored.

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PostPosted: Tue Mar 14, 2006 3:40 am 
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Quote:
I reckon blargg created the picture in MS Paint one night when he was bored.


I reckon someone is having trouble getting it to work in his emulator.

baisoku wrote:
I was able to run it through NESrev to get X816 compatible code.


To save you from an uncommented disassembly of the ROM, here's the source code (and iNES ROM) to a really optimized version I just wrote that assembles to only 148 bytes of machine code (it doesn't even read anything from RAM).

full_palette_opt.zip

I used NESASM since it was handy and allowed a single source file. It might not run properly even on Nintendulator, due to the subtle NMI timing trick I used (it will shake horizontally more than the earlier ROMs if the emulator doesn't handle NMI timing properly). I also had to change the direction of brightness to work with the optimization. I was hoping to get it under 128 bytes. Oh well.


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