Stupid question - where to get disk images

reminisce about bbc micro & electron games like chuckie egg, repton, elite & exile

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dominicbeesley
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Stupid question - where to get disk images

Postby dominicbeesley » Thu Mar 26, 2015 10:13 am

Hello all,

It's been a while since I downloaded a lot of SSD's but I'm now testing my FPGA bbc micro and it seems STH is not working - whenever I click on a link to the archive it pauses for ages and I get a blank page.

Is there another up-to-date archive that works? If hosting STH is a problem is donating some money / server space feasible?

D

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flaxcottage
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Re: Stupid question - where to get disk images

Postby flaxcottage » Thu Mar 26, 2015 10:17 am

Sites you could try for games and ROMs are;

emuparadise

doperoms

These sites generally have copies of the STH archives. Also there is the 8BS archive and last but not least this very forum. Just do a search.

Good luck. :D
- John

Currently running L4 Econet with BBC B, BBC B+ 128K, Master 128K, 4Mb A3000, 4Mb A3020, 4Mb A4000, 4Mb A5000 dual FDD; UK101; HP41CX setup; Psion 3a, 3mx and 5mx; Z88; TI-58c, TI-59 and printer, HP-16C programmer's calculator and a bakery of Pis.

paulb
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Re: Stupid question - where to get disk images

Postby paulb » Thu Mar 26, 2015 10:34 am

dominicbeesley wrote:Hello all,

It's been a while since I downloaded a lot of SSD's but I'm now testing my FPGA bbc micro and it seems STH is not working - whenever I click on a link to the archive it pauses for ages and I get a blank page.

Is there another up-to-date archive that works? If hosting STH is a problem is donating some money / server space feasible?

D


See this thread for details of the recent STH unavailability.

But you were saying, FPGA BBC Micro?! :o

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lurkio
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Re: Stupid question - where to get disk images

Postby lurkio » Thu Mar 26, 2015 10:55 am

As well as the sites John suggested, you could also try here:

https://archive.org/details/Acorn_BBC_TOSEC_2012_04_23

And here:

http://www.stardot.org.uk/forums/viewforum.php?f=32

dominicbeesley wrote:I'm now testing my FPGA bbc micro

Do tell!

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Arcadian
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Re: Stupid question - where to get disk images

Postby Arcadian » Thu Mar 26, 2015 12:46 pm

The STH site (less php functionality) is now back online.

See viewtopic.php?f=5&t=9204&p=108338#p108338
For a "Complete BBC Games Archive" visit www.bbcmicro.co.uk

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CMcDougall
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Re: Stupid question - where to get disk images

Postby CMcDougall » Thu Mar 26, 2015 7:16 pm

^ =D> (stupid no life 'hackers', rob a bank ffs!)
the world is your oyster... or armpit??!
http://www.stairwaytohell.com/bbc/sthcollection.html
ImageImageImage

dominicbeesley
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Re: Stupid question - where to get disk images

Postby dominicbeesley » Thu Mar 26, 2015 7:37 pm

Thanks everyone for all the links - hopefully have a play tonight!

dominicbeesley wrote:I'm now testing my FPGA bbc micro

Do tell![/quote]

It's a learning project for me - I took Mike Stirling's DE1 FPGA project and ported it to the DE0 nano. At first I did it to test out my idea of being able to generate HDMI signals direct from a FPGA...then it got out of hand!

There's some back story here:

http://www.stardot.org.uk/forums/viewto ... pga#p81509

I've now moved away from HDMI for the meantime and just outputting plain old RGB video. I'll move back to looking at HDMI some time in the near future but I've run into the problem that there are very few monitors that accept refresh rates < 56Hz, certainly none of mine do, so my original plan of just doubling up every line is out of the window for now...

I've managed to fix the T65 implementation I think and also fixed a few glitches in Mike's stuff, as well as introduced a load of my own. I finally got round to implementing the video ULA and mc6854 last week and so now it is in a state where I can play some games.

There are a few issues which I'll sort out soon, like no sound, scrolling is a bit dodgy in any modes other than 0,2,5 and the picture is quite flickery in Mode 7 with interlace on or off.

However, it is good enough for a few games...but still not Snapper yet!

DSC_0176-s.JPG
MODE0

DSC_0177-s.JPG
croaker

DSC_0166-s.JPG
de0

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hoglet
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Re: Stupid question - where to get disk images

Postby hoglet » Thu Mar 26, 2015 7:53 pm

Hi Dominic,
dominicbeesley wrote:I've managed to fix the T65 implementation I think and also fixed a few glitches in Mike's stuff, as well as introduced a load of my own. I finally got round to implementing the video ULA and mc6854 last week and so now it is in a state where I can play some games.

I'd be interested in what T65 fixes you made, as AtomFPGA uses this as well:
https://github.com/hoglet67/AtomFpga/co ... /src/T6502

Have you tried running the DORMANN tests?

You might also want to take a look at AlanD's 65C02 core which he used in some of his Master FPGA designs:
https://github.com/hoglet67/CoPro6502/c ... /src/AlanD

Dave

dominicbeesley
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Re: Stupid question - where to get disk images

Postby dominicbeesley » Thu Mar 26, 2015 8:53 pm

Thanks for those links Dave,

I've attached a zip of my fixed(bodged) t65 - it's a while ago but I was having problems with IRQs getting stuck on. It seems that one of the bits of the flags was ending up setting the I flag during an RTI (or something like that) and i masked it out...

I'll have a look at those other cores..

I managed to get a few more games working:
= hopper - worked fine
= arcadians - ok, blue/yellow flashing problem on some colours after a while - suspect ULA glitch
= starship comment - worked fine
= meteors - worked fine

Then the baby work up...
Attachments
t65-20150326.zip
Fixed(?) t65 core with bodge to stop irq becoming set from pushed flags on RTI
(17.92 KiB) Downloaded 39 times

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Arcadian
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Re: Stupid question - where to get disk images

Postby Arcadian » Sat Mar 28, 2015 11:59 am

All indexing scripts now working, see:
viewtopic.php?f=5&t=9204&p=108476#p108476
For a "Complete BBC Games Archive" visit www.bbcmicro.co.uk

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