Search found 1333 matches
- Mon Jun 26, 2023 12:08 am
- Forum: Hardware and Tech
- Topic: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Replies: 23
- Views: 4572
Re: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
I dragged The Vic-20 out again and removed a socket the had been "PREVIOUSLY" fitted and to my amazement this is what I found? (Place rude word here) PS:- There are 2 other sockets also that had been previously added ???? No wonder the Poor old Vic-20 was unwell. Ouch, that's some nasty d...
- Fri Jun 23, 2023 5:01 am
- Forum: General Topics
- Topic: Jeff's VIC 20 Book
- Replies: 268
- Views: 28831
Re: Jeff's VIC 20 Book
My copy has just arrived in the UK, sailed through Customs. Really nice quality, will enjoy having a read after work.
- Sun Jun 18, 2023 1:57 pm
- Forum: Programming
- Topic: zippy - yet another serial fastloader
- Replies: 19
- Views: 3451
- Sun Jun 18, 2023 1:40 pm
- Forum: Programming
- Topic: zippy - yet another serial fastloader
- Replies: 19
- Views: 3451
- Sun Jun 18, 2023 6:34 am
- Forum: Hardware and Tech
- Topic: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Replies: 23
- Views: 4572
Re: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Sun Jun 18, 2023 1:39 am
- Forum: Programming
- Topic: Loading multiple data files into memory - HELP!!!
- Replies: 8
- Views: 988
Re: Loading multiple data files into memory - HELP!!! (was: Re: Disk Accelerator)
Most accelerators are based on the JiffyDOS protocol. SD2IEC supports it, I wrote an implementation for the VIC-20
https://www.sleepingelephant.com/ipw-we ... hp?t=10436
https://www.sleepingelephant.com/ipw-we ... hp?t=10436
- Sun Jun 18, 2023 12:20 am
- Forum: Hardware and Tech
- Topic: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Replies: 23
- Views: 4572
Re: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
You seem to have socketed pretty much everything, from the screen I would say there's a fault in the address buffering between the VIC and the CPU. That would suggest UD1 and/or UD8/UE8.
https://portcommodore.com/rcarlsen/cbm/vic20/vic20.txt
https://portcommodore.com/rcarlsen/cbm/vic20/vic20.txt
- Sat Jun 17, 2023 12:03 pm
- Forum: Collecting and History
- Topic: 4,000+ programs VIC-20 listings
- Replies: 7
- Views: 2887
4,000+ programs VIC-20 listings
Many of you are probably aware of Richard's collection of type-ins, http://www.vic20listings.freeolamail.com/index.html . It contains programs from books and magazines that were printed in the 1980's, the primary way those of us on a budget in that day got to try new games and utilities. He's now ju...
- Thu Jun 15, 2023 4:31 am
- Forum: Hardware and Tech
- Topic: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Replies: 23
- Views: 4572
Re: Vic20 Startup sequence to main screen Display?
Thanks for that. Is there a link to that sort of information that goes little further ? The best description in is the KERNAL disassembly 14935 ;***********************************************************************************; 14936 ; 14937 ; RESET, hardware reset starts here 14938 14939 START 1...
- Thu Jun 15, 2023 1:09 am
- Forum: Hardware and Tech
- Topic: Vic20 Startup sequence to main screen Display? (was: Help Cartridge with a startup SOUND)
- Replies: 23
- Views: 4572
Re: Vic20 Startup sequence to main screen Display?
New User here. Is their a document using simple terms the Vic20 Startup sequence to main screen Display ? I have an unwell Vic20 (later version) FAB no. 251040-01, Assy No 250403, Revision D, 1982 and a startup sequence MAY help Welcome. The VIC-20 boots up like this: on reset the 6502 jumps to the...
- Wed Jun 14, 2023 11:26 am
- Forum: General Topics
- Topic: Jeff's VIC 20 Book
- Replies: 268
- Views: 28831
Re: Jeff's VIC 20 Book
Using an estimate print run of 10 I've got a quote of just under £5 for Jeff's specification, looks like postage would be £3. There would then be a donation on top of that.
- Wed Jun 14, 2023 1:07 am
- Forum: General Topics
- Topic: Jeff's VIC 20 Book
- Replies: 268
- Views: 28831
Re: Jeff's VIC 20 Book
Could anyone in Great Britain & NI who is interested in a copy PM me so I get an idea of numbers?
Simon
Simon
- Wed Jun 14, 2023 12:38 am
- Forum: General Topics
- Topic: Jeff's VIC 20 Book
- Replies: 268
- Views: 28831
Re: Jeff's VIC 20 Book
So, here is my idea: if anyone wants to take the burden of distributiing in their continent, I can send you the exact files and specifications and help you research a printer in your area. Printing one book here is expensive ($35), but if you are willing to print 10 books, the price goes down to ab...
- Sun Jun 11, 2023 12:29 am
- Forum: General Topics
- Topic: Jeff's VIC 20 Book
- Replies: 268
- Views: 28831
Re: Jeff's VIC 20 Book
I will take a few to the post office Monday to figure out shipping. I'll just get the exact weight with the padded envelops I bought earlier then print postage labels from home. It looks like the US Postal service still has a "Printed Material" rate (which should be cheaper). Make sure th...
- Wed May 31, 2023 12:26 pm
- Forum: Hardware and Tech
- Topic: Looking for a source for VIC-20 RAM
- Replies: 5
- Views: 2364
Re: Looking for a source for VIC-20 RAM
Welcome.
I guess if you're not keen on eBay you might not be interested in AliExpress? It's hard to find bricks and mortar stores that sell electronics anywhere.
I guess if you're not keen on eBay you might not be interested in AliExpress? It's hard to find bricks and mortar stores that sell electronics anywhere.