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Building cynthcart for basic rom is too big   Message List  
Reply | Forward Message #1340 of 1352 |
Re: [synthcart] Building cynthcart for basic rom is too big

I quit supporting the kernel version because few people used it and I
found it to be less reliable for live performance. It's been a long
time since I've looked at that stuff, so I'm not sure what it would
take to make it fit.

-paul

On Sat, May 30, 2009 at 11:22 PM, synacknet <synacknet@...> wrote:
>
>
> I was attempting to build cynthcart 1.2.4 for a basic rom replacement,
> and I noticed building with: dasm cynth1_2_4.asm -f3 fails due to the
> trailing ORG $bfff being a backward reference since the image is too large.
> I noticed the following:
> IF MODE=KERNEL
> BASEADDR equ $8000
>
> I changed that to $a000 since everything between $8000 and $a000 would
> be filler in this case. This brings the size down to ~9237 bytes, still too
> big.
> Since the bulk of the code + tuning data is after $a483 for the basic idle
> loop
> entry point, it can't fit in 8k. The solution is likely to rearrange some
> things to
> utilize the unused space prior to $a483. I was just wondering if this a
> known
> problem, or if I'm just plain doing something wrong before I jump into it.
>
> Thanks.
>
>



Mon Jun 1, 2009 2:45 am

atarisynth
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Message #1340 of 1352 |
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I was attempting to build cynthcart 1.2.4 for a basic rom replacement, and I noticed building with: dasm cynth1_2_4.asm -f3 fails due to the trailing ORG $bfff...
synacknet
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Jun 1, 2009
2:42 am

I quit supporting the kernel version because few people used it and I found it to be less reliable for live performance. It's been a long time since I've...
Paul Slocum
atarisynth
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Jun 1, 2009
2:46 am

Someone told me he how was able to build a BASIC ROM replace (using DASM), though I didn't verify I'll just post his suggestions: first of all, the KERNEL (or...
mdzron
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Jun 2, 2009
8:42 am

Thanks, this essentially ended up working for me. I changed the IF MODE=KERNEL part to have the baseaddr $a000, changed the first 2 words to be Startup just...
Rob Braun
synacknet
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Jun 5, 2009
1:57 pm

cool! good to know ;) r....
mdzron
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Jun 6, 2009
7:27 am
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