Search found 472 matches

by rpineau
Mon Apr 24, 2017 3:09 pm
Forum: Hardware
Topic: 68020 booster
Replies: 134
Views: 30347

Re: 68020 booster

Quick update: We're still working on this ... but I had some issues. The PCB quality is not what I was expecting . My first MSTE board that was working is no longer working. So far by doing a continuity test I have found at least 4 signals that are no longer connected (I might be able to fix these)....
by rpineau
Thu Apr 20, 2017 4:08 pm
Forum: Hardware
Topic: TT and MSTe PSU
Replies: 12
Views: 812

Re: TT and MSTe PSU

I use a 120W Pico PSU on the TT and no problem so far.
The original TT/MSTE PSU are 64.6W so you should be good even if you add a lot of things to it.

Rodolphe
by rpineau
Sun Mar 26, 2017 5:49 pm
Forum: Hardware
Topic: Afterburner040 030 switch
Replies: 9
Views: 708

Re: Afterburner040 030 switch

On my machine ... te 68030 was totally remove :) .. no going back .. so no switch :)
by rpineau
Sat Mar 25, 2017 5:19 pm
Forum: Hardware
Topic: Question about Atari TOS memory management
Replies: 18
Views: 1177

Re: Question about Atari TOS memory management

Yes, The 68000 has a linear address space as it uses 32 bits address registers (24 bit available outside of the CPU for 16MB of addressable physical memory space).
by rpineau
Mon Mar 20, 2017 12:56 am
Forum: Website Discussions
Topic: Is Atari wiki down?
Replies: 28
Views: 2765

Re: Is Atari wiki down?

Yes we do miss it :)
by rpineau
Fri Mar 03, 2017 3:39 pm
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

Thanks DML. I'll take a look at your code asap. Arne, I also have that disassembled TOS 2.06/3.06 code and I see the part you're referring to to disable the PMMU. Latter in the code they also set it and the table looks very similar to mine : setupPMMU: lea ($700).l,a0 lea ($e363f0).l,a1 ; translatio...
by rpineau
Fri Mar 03, 2017 7:36 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

Ok I'll look for a KAOS TOS version tomorrow then. As for /ECS and /OCS, no we're not using them to start the cycle, we're relying on /AS. Our card is mostly based on the Motorola AN944 doc, LUCAS and other things we could find online. We then re-wrote the code in VHDL but it does the same thing for...
by rpineau
Fri Mar 03, 2017 6:18 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

Sorry . I wasn't clear I guess :) We have a test board with a 68030 on the 68020 board ... just to test. As this doesn't seem to work as it doesn't fully boot I was wondering if it's because TOS 2.06 is not installing a PMMU tree. So I was trying to setup one from the auto folder as a test, which is...
by rpineau
Fri Mar 03, 2017 5:08 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

Hi Arne. Thanks for taking time to reply. the AS_CPU was a test, it's not needed. I'm no sure disabling the MMU solves the data caching issue ? But we can try that. Also I agree your equation does the same but as we're testing we're separating the cases to see what works and what doesn't. The schema...
by rpineau
Fri Mar 03, 2017 3:32 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

With the 68020 in place with have no blitter or DMA issue (but there is no data cache on the 68020). I found 2 contradictory statements in the various things I read online. One says the all the ST RAM should be cacheable, and one says it shouldn't be because of the blitter and DMA. But obviously it ...
by rpineau
Fri Mar 03, 2017 1:56 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

Thanks We get to desktop if we disable the data cache (either via /CIIN or by not enabling cache in the Desktop). It might indeed just be that the TOS 2.06 knows 68020 stack frames but not 68030 (even though it does work with a 68030 with instruction cache enabled and data cache disabled). The PMMU ...
by rpineau
Fri Mar 03, 2017 1:08 am
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

Re: 68030 PMMU config help needed

yes it is a 68030. and yes this is standard unpatched TOS 2.06 (US).
And yes this is a booster for the STE/MSTE (And latter STF/Mega ST) : viewtopic.php?f=15&t=28277
by rpineau
Thu Mar 02, 2017 11:42 pm
Forum: Coding
Topic: 68030 PMMU config help needed
Replies: 17
Views: 869

68030 PMMU config help needed

Hi all. Me and Juliusz have been testing using a 68020 on our 68020 card via a small adapter. We had some promising result but we're running into some issue on TOS 2.06. We can enable the instruction cache and that work fine and we get pretty much the same speed as the 68020 at the same frequency (3...
by rpineau
Wed Mar 01, 2017 7:08 am
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

Thanks Leech.
Rodolphe
by rpineau
Tue Feb 28, 2017 7:05 pm
Forum: Chat forum [ENG]
Topic: Happy Birthday to my Cumana Drive B:
Replies: 5
Views: 608

Re: Happy Birthday to my Cumana Drive B:

Nice. I used to have one of these .. a long time ago :)
So yea CAKE !!!
by rpineau
Tue Feb 28, 2017 4:10 pm
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

So the thread went from "Overall strategy for hardware mods, upgrades, clones" to a flame war about Amiga memory protection (or lack thereof). The thread started with an interesting discussion about expansion port, what signals would we want on a generic port ... and then once again got po...
by rpineau
Sun Feb 26, 2017 10:10 pm
Forum: Hardware
Topic: Available open 68000 cores ?
Replies: 18
Views: 1091

Re: Available open 68000 cores ?

There are a few 68 core but I think the most complete one is the one from Suska : http://experiment-s.de/en/progress/ You can get the whole Suska III-C code there : http://download.experiment-s.de/Firmware/Suska-III-C/SIII-C-MC_System/SIII-C-MC_System_2K13A.tar.gz There is also the tg68 but I think ...
by rpineau
Mon Feb 20, 2017 4:26 am
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

PCI "bridges" like the one on the CT-PCI are still available (PLX PCI 9054 is about $75 on mouser and probably around the same price in other online reseller). Most of these require a full 32 bit address and data (like the expansion port on the CT60/63/60e or the one we're putting on our 6...
by rpineau
Sat Feb 18, 2017 5:47 pm
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

double post.. deleted.
by rpineau
Sat Feb 18, 2017 5:47 pm
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

Thank for the update Vincent. As for the ET4000, it's always hard to find one and they are going to become impossible to find, Add to this that not all are compatible depending on the DAC they use. The new chip I'm looking at is not the most powerful thing in the video world, but has a direct 68000 ...
by rpineau
Sat Feb 18, 2017 3:53 am
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

Latest fvdi source update was r483 from Johan in svn. The github page is also not showing much update (https://github.com/jklockars/fVDI_from_0.958/tree/master/fvdi ). latest log is from "Thu Jan 24 11:46:17 2013" Vicent Riviere has a fork (https://github.com/vinriviere/fvdi ) which seem t...
by rpineau
Fri Feb 17, 2017 5:37 pm
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

@Joska,I agree that the megabus is great for 68000 machine. But it's fairly limiting for machine that have faster CPU and can use 32 bits data bus and faster clock. This is why I "create" the current expansion bus on our 68020 card so that new card can be 16 or 32 bits (the video controlle...
by rpineau
Fri Feb 17, 2017 5:17 pm
Forum: Hardware
Topic: Overall strategy for hardware mods, upgrades, clones
Replies: 117
Views: 5263

Re: Overall strategy for hardware mods, upgrades, clones

So, interesting indeed. For the expansion port, this is highly dependent on the CPU. On the 68000 booster that Chris does, we put all the 68000 signals. On the 68020 booster me and Juliusz are doing, we put all the 68020 signals and even added the 68030 ones for the future. But if you develop a card...
by rpineau
Thu Feb 16, 2017 12:45 am
Forum: Hardware
Topic: 68020 booster
Replies: 134
Views: 30347

Re: 68020 booster

so the connector above are not easy to find so we've also ordered some APM G832MB011206222HR and G832MB111205222HR receptacle and plugs and we're going to check the mechanical strength (these are also 120 pins so it's a direct mapping from one to the other for me in Eagle). We'll keep you posted on ...
by rpineau
Tue Feb 14, 2017 5:58 pm
Forum: Hardware
Topic: 68020 booster
Replies: 134
Views: 30347

Re: 68020 booster

So after looking at a better connector solution, we're going to take a look at the Hirose FX2-120P-1.27SV and FX2-120S-1.27SV receptacle and connector. I'll order a set and will take some measurements. This doesn't mean we'll be able to put any and all cards in the STE, but if we put the connector a...

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