shoestring

The group is private and I am not on Facebook, I don't think I am missing out on much. I would expect Leonard to repeat what he said during their ( Bil & Leonards ) presentation.

It was a serious computer with slots, Zorro II + 4 ISA. They sold for 2 grand here and that price didn't even include a monitor or the SCSI controller + fast ram expansion ( C= a2091 ). It was extra but the hard disk should have come standard like they did in the A3000. They did release a HD model but all of these should have come standard with one.

Not to take away from the work he did at Commodore but he was just the Marketing guy / Product Manager and Jack's assistant. He would have provided some input regarding the Vic 20s features being the product manager. But most of the credit I would assume would go to Yannes and Bob Russell.

Its almost a must if you gonna upgrade a rev 5 board. However it's just absolutely f&^%$ ridiculous what people are charging whenever these things turn up. I just did a quick search and one guy wants 78 quid for one ( 8373R4 ). I can't believe how much money people are asking for rev 8 board 'unpopulated' with no chips.

You will probably want to upgrade to a Super Denise as well. I would all out and get a rev 8a board, it will end up costing you more in the end otherwise.

That cleaned up nicely. AFAIK, Kickstart 3.9 isn't an official rom from anyone. It's some kind of homebrew thing. Agnus 8370 only gives you 512kb chip, so you need to drop in something else. There are several options. 1. You need to piggy back 16 x 41256s over the existing 512kb on the board, isolate pin 4 from the rest of the chips already soldered and connect them all to RAS1 ( U35 ) and cut a trace to one of the pads, and solder / bridge two other pads. This will give you 1mb of physical memory. Probably the most troublesome to do because these ram chips aren't easy to come by and are expensive. And of course you also have replace the Agnus. https://myoldcomputer.nl/amiga/1-mb-chip-ram-a500-rev-5/ 2. The other method is to drop in an 8372, use a 512kb trapdoor expansion and modify it so that the trapdoor ram is utilised as chip memory instead of slow. 3. Another option is the MegaChip which gives you 2mb chip, the problem is getting one. It appears all sold out. https://acillclassics.wordpress.com/2019/02/18/megachip-a500-install/ Probably more practical to get a Rev 6A or 8a motherboard.

It was Leonard who said 'believe nothing Michael Tomcyzk says '

Sorry, I missed this. I managed to get my hands on one. Thanks for reaching out.

I think he can be very sarcastic and that's just his personality, nothing wrong with that. I can't recall any presentations he made where he was condescending or patronising anyone.

Too bad i'm not on FB. Would love to get a glimpse though

Leonard & Bil Herd disagree with Tomcyzk's recollection of his involvement in the design of the Vic 20.

My uncle once complained about tape loading on the c64. "20 minutes loading, 5 minutes playing"

No. You must have at least KS 3.1, 2mb total memory and 10mb of HD space. No mention of CPU requirements I use a 32gb CF in my A1200 and have 3 partitions. So you won't have problems with big drives or big partitions. I have Dh0: 1gb Dh1: 14.5gb Dh2: 14.5gb Use a good quality cfcard ( sandisk 32gb extreme works flawlessly ) and install the OS via WinUAE after you've prepared the cfcard, don't do a full format. This is the easiest method for installing 3.2 IMO The only problem I had initially was lack of memory, 3.2 basically ate all my chipram with a stock A1200. You won't have a usable system with just 2mb of chip unless you have at least 8mb of fast ram I ended up getting a GVP 030 card with 8mb of ram and that solved my ram issue. It left me with 1.7mb chip and 6.7mb of fast after installing Roadshow.

Interesting build. There's a potentiometer near the Gotek, that must be for the RGB lighting adjustment. Not to my taste either but I could see that being used at demo parties.

No it didn't. It wasn't plug and play ( more like plug in and pray, as we would all say ) , it was only asynchronous. So it solved none of Dave's problems until PCI came a long.

I should really use a spellchecker before posting.

I don't know what is worse, going from Z80 to 6502 or from 6502 to Z80. I've attempted to port a game from the c64 to the Taito L System which uses a z80, it whore me down to the point where I literally suffered from headaches daily and couldn't continue. I realised a straight port wasn't going to work without some massive changes. 6502 and Z80 really don't go hand in hand. My A8 rom diagnostic was initially written for Gyruss, which uses a Z80. Eventually, this was ported to the KONAMI1 ( a custom 6809 with scrambled opcodes ) for games like Track & Field / HyperSports. So the A8 diag routines are based straight off of the 6809 code which was much more straight forward to port than it would have been had I taken the original Z80 code.

It can be done by hand but it is a very arduous task indeed.

If anyone remembers the Trap Demo, here is a remake from this month. Great music and SFX. https://csdb.dk/release/?id=205543

I'm not sure how its done but I prefer not to think about it. 've watched it several times as well. When a disk drive has better video & sound capabilities than some 8 bit home computers

Hence why that particular community is so fragmented. Atari community doesn't really suffer from such fragmentation. Although smaller than most others, theres still lots of cool stuff happening and getting done despite some opposition.

Still not even half as bad as what's happening in the Amiga community.

It is a heap of work, I probably bit off a bit more than I can chew but at least the VBXE gives me a lot more flexibility than I had before, by having all the bitmaps in VBXE DRAM frees up a lot of the Atari's native memory for doing other things that I need. These 24x21 sprites definitely need a touch up but I suck at doing artwork, 16 colours would be nice. We can do 256 in NORMAL mode. manta.bmp Enemies.bmp Extras.bmp Manta Expl frames.bmp Still need to hunt down a couple of bugs here and there in the BOB engine but the fighter is much more fluid now. The shadow will probably remain the same colour as the starry sky, since the XDL has priority, there's no way that I am aware of to match its colour with the shadows on the platform without its shadow being cast on the starry sky. PMGs could probably be used though. manta.avi

I those heads are now misaligned.

Not that I am aware of. It would not be covered in his case based on the cause. Though its still worth finding out if he is willing to exchange or fix the board for a price.