Questions tagged [amiga]
For questions related to the Commodore Amiga family of personal computers.
216
questions
7
votes
0
answers
255
views
How does Amiga HDToolbox calculate size?
I've been toying around with various drive geometries using the classic HDToolbox from 2.x/3.1 on my Amiga. What I've discovered is the total size calculated is always 1 cylinder short of my own ...
- 8,901
9
votes
2
answers
419
views
Does "Heart of the Alien" use the same game engine as "Another World"?
Another World is a classical game originally for Amiga and Atari ST and subsequently reimplemented for many retro and modern platforms. As described by Fabien Sanglard the game is implemented in ...
- 18.4k
13
votes
3
answers
2k
views
Is there a seamless, Wine-like AmigaOS emulator for Linux, specifically for text-based programs?
After trying out FS-UAE on my Fedora Linux system, which worked quite nicely, I got to thinking. Even though when the Amiga was originally released in the middle 1980s, it was revolutionary in its ...
- 10.4k
5
votes
2
answers
695
views
How to SSH from Amiga to remote Linux host
With a new purchase coming in shortly I wanted to ask what do I need to be able to SSH to a remote host from an Amiga:
Make modem work and connect to my network:
https://www.ebay.com/itm/KCWIFI-PRO-...
- 327
12
votes
1
answer
1k
views
How Amiga A590 autoboot ROM and bootable floppy disk works?
Commodore A590 was a peripheral hard drive and memory expansion unit for Amiga 500/500+ computers. It provides SCSI and XT-harddrive controller and 2MB Fast Ram. Here is the Big Book of Amiga Hardware ...
- 327
10
votes
1
answer
404
views
How to find what is using Chip RAM?
My AmigaOS should have more Chip RAM available to use than it reports (only 800 kB). Is there a way to find what is sitting in Chip RAM and how to move it to Fast RAM instead?
- 20.5k
5
votes
1
answer
479
views
How can I run OpenSSH under AmigaDOS?
I want to use OpenSSH for Amiga, copied ssh and other files to OS:Utilities from extracted archive, but I'm unable to run the binary. Tried to set protection but it didn't help either. How to make it ...
- 20.5k
4
votes
1
answer
528
views
How does stack size affect functioning of AmigaOS and programs?
A few weeks back I had an issue with a Python script resetting my Amiga on execution. Someone suggested to change stack size in startup-sequence to 4096. I just read that it can be set up to 2500000.
...
- 20.5k
1
vote
1
answer
366
views
Amiga OS3.9 unable to run iGame error #8000000B
AMIGA CDTV, 68030 MMU, no FPU, KS 3.1.4, WB3.9 + BBs, MUI3.8, Required Libs.
I followed all the requirements swapping guigfx with non-FPU equivalent and I'm not able to get iGame to run. When FPU is ...
- 20.5k
8
votes
1
answer
353
views
Amiga File Manager with keyboard navigation
Is there a file manager for Amiga OS 3.x, something like Directory Opus but keyboard-driven, which feels more like Midnight Commander or Total Commander, where all the navigation is done by keyboard ...
- 113k
14
votes
2
answers
2k
views
How would I reliably detect the amount of RAM, including Fast RAM?
If I was to write an Amiga game, what would be the best/most reliable way to detect how much RAM is actually available?
Looking at Action's Guide to AGA-Fixing!, he mentions Faulty Memory Detection:
...
- 10.4k
0
votes
0
answers
100
views
best port (on laptop) for using laptop display as monitor for an Amiga [duplicate]
i am looking to order an Amiga 500. i wanted to use my Thinkpad L420's display as a monitor, but it seems it doesn't have a port that would work for that. the thinkpad needs replacing anyways, so i ...
- 1
29
votes
1
answer
4k
views
Why are the later revisions of the Motorola 68060 heavily sought after by Amiga fans?
I have come across a few sources online in forums and on YouTube information related to using the Motorola 68060 in Amiga accelerators and the difficulty in sourcing genuine late revision parts. ...
- 439
23
votes
6
answers
2k
views
Does the "Amiga Client for Novell NetWare" exist?
On page 139 of Brian Bagnall's book "Commodore: The Final Years", there is the statement that at CeBIT Hannover in March 1989, Commodore announced (amongst other things) "Novell Netware for Amiga".
I ...
- 21
3
votes
1
answer
259
views
How do I setup this Kickstart switcher?
I can not find any documentation for this Kickstart switcher.
It's labeled LS A9211-3 © FH 1992.
How must the jumpers J1 and J2 be set and where must the KB and RES lines be connected to?
I want to ...
- 15.3k
7
votes
3
answers
883
views
How does Symphonie Pro actually work?
I just happened upon this video:
https://www.youtube.com/watch?v=6tNizdyx-DE
It's a selection of Amiga music produced using a program I've never heard of before: "Symphonie Pro".
Does ...
- 151
20
votes
1
answer
2k
views
What size screws were used in the Amiga desktop cases?
On the Amiga 500, 500+, 600, and 1200, what size screws were used to hold the chassis together? Is it the same size screw for all, different screws per machine, different screws front and rear, or ...
- 20.5k
22
votes
1
answer
2k
views
Why do Amiga Libraries have negative entry points?
As described in these answers, the jump table offsets to functions contained in an AmigaOS library are always negative values. The reason for this is not intuitive to me, but I suspect Carl Sassenrath ...
- 1,627
4
votes
1
answer
170
views
How do I detect if AmigaDOS dos.library/CurrentDir() fails?
It seems that the primary system call to change a new directory within an Amiga process is dos.library/CurrentDir(lock) but the documentation does not tell me how to detect if it succeeded.
Quoting ...
- 59.4k
21
votes
5
answers
12k
views
How can I adapt a modern mouse for use with Amiga?
Death of the Amiga platform predated introduction of optical mice of reasonable quality by a couple years. The Amiga mouse was a box of problems, with non-ergonomic shape, crud-accumulating rollers ...
- 59.4k
8
votes
3
answers
464
views
Question about external Gary NAND driving _BLIT in depency of _ROMEN
what is the meaning of the NAND external connected driving _BLIT in depency of _ROMEN?
I cant see the need mainipulate _BLIT by accessing the ROM.
Is this an Gary bugfix?
Strangely A500+ does not have ...
- 1
23
votes
2
answers
6k
views
How to convert Amiga DMS to ADF?
Our demoscene group managed to release only one demo before it fell apart, but these being the early days of the Internet in my country, and me getting lucky with obtaining access to it and creating ...
- 6,096
13
votes
3
answers
905
views
What interface did Video Backup System use?
I remember the Video Backup System for Amiga advertized in Polish computer magazines of late 90s, "store hundreds of diskettes on a single VHS tape!"
I seriously considered buying it (and a ...
- 20.5k
8
votes
4
answers
3k
views
What are people using old (and expensive) Amigas for today? [closed]
I recently sold a defective Amiga 1000 on Ebay for over $300. I'm going to list my old Amiga 1200 and expect to get over $1000 for it since its working and "souped up".
This made me wonder: ...
- 783
3
votes
0
answers
171
views
Use MAME debugger for Amiga software [closed]
I have used the MAME debugger a lot with arcade machine emus.
Now I would like to use it to help debug a game I build for Amiga. Having set up A500 emulation in MAME by adding the roms, I can start it,...
- 131
22
votes
4
answers
2k
views
How did programs/patches stopping Amiga idle floppy drive noise work?
The Amiga computers would by default automatically detect a disk being inserted and respond by reading from it and displaying its icon.
Polling the drive(s) for a new disk would produce a clicking ...
- 14.8k
10
votes
3
answers
2k
views
Why does an Amiga's floppy drive keep clicking?
I seem to remember that an A500 (probably A600 too) would keep emitting a click from the floppy drive. I think this was only with no disk in the drive, but I'm not sure.
What was that?
- 59.4k
12
votes
3
answers
795
views
Will using a clockport RTC card on an Amiga 1200 clash with the RTC on an accelerator card?
I have an accelerator card fitted to my Amiga 1200. The accelerator includes a real-time clock, but I noticed that the soldered-on rechargeable battery was in danger of leaking, so I cut it off before ...
- 20.5k
19
votes
3
answers
2k
views
What was the role of Commodore-West Germany?
Most of the history of Commodore in personal computers took place while East and West Germany were divided, and Commodore maintained a significant corporate presence in West Germany. While I believe ...
- 31
27
votes
2
answers
3k
views
How to obtain 256 arbitrary colors with limitation of 64 per line in Amiga (ECS)?
The game Universe for Amiga boasted ability of use of 256 different Amiga colors available through the ECS chips, with only limitation of 64 colors in halfbrite palette (32 arbitrary + 32 at half ...
- 20.5k
10
votes
3
answers
1k
views
What performance increase did an Amiga typically get with an FPU?
After seeing this question, I reminisced about how my old Amiga 2500/030 had a 68882 FPU unit. I recall that the Amiga's floating point routine library was smart enough to detect if you had an FPU or ...
- 6,485
2
votes
1
answer
736
views
Which retro personal computers, if any, can use a modern day VGA monitor? [closed]
I play around with emulators, but I would love to go back to my roots, with physical ZX81, BBC Micro, Amiga, etc.
Unfortunately, those all require a CRT monitor, or a TV, as output. I suppose that I ...
- 3,099
13
votes
5
answers
433
views
Preventing socketed chip corrosion?
I spent a couple hours repairing an Amiga A3000 that wouldn't boot yesterday. The fix was to remove Kickstart ROMs, clean the DIP leads and sockets with contact cleaner, and re-insert. Apparently a ...
- 21
7
votes
4
answers
3k
views
Amiga memory bandwidth
Looking at a timing diagram for the various kinds of memory access occurring on the Amiga http://amigadev.elowar.com/read/ADCD_2.1/Hardware_Manual_guide/node02D4.html it seems to be saying that video ...
- 127
2
votes
1
answer
457
views
How to get started with writing drivers for amiga OS
I would like to learn how to write drivers for Amiga OS. Seems like a daunting task, but I have spare time and I find great value for amiga (CDTV) community in particular. Currently if a CD ROM breaks ...
- 10.1k
7
votes
2
answers
967
views
Amiga OS 3.1 vs 3.5 vs 3.9 system difference
I'm trying to find some resources on different versions of Amiga OS (aka Workbench) especially if there were any major changes to the OS architecture, resource use and drivers (with a goal to make ...
- 10.4k
6
votes
1
answer
467
views
Could the Apple IIGS play any and all Amiga MOD files?
The Apple IIGS has a wavetable synthesis sound chip with dedicated 64 kilobytes of RAM.
I assume the sound architecture dictates that samples have to be loaded into that dedicated RAM to be able to be ...
- 34.4k
9
votes
2
answers
882
views
Identify this Amiga game: It's just like Rocket League
I remember playing an Amiga game which was very similar to Rocket League, subject to the technology of the time.
It was a two player game with a top-down 2D playing area. There was a large puck ...
- 111
20
votes
2
answers
1k
views
How was 8-channel audio achieved on Amiga?
Oktalyzer was a Tracker style program for Amiga, that allowed composing and playing music with 8 channels instead of the "hardware-natural" 4.
So far I learned it achieved that by splitting the 4 8-...
- 301
12
votes
2
answers
1k
views
Why was Windows 3.1 so dreadfully slow on an Amiga A2286 bridgeboard?
Back in the day I had an Amiga 2500/30 with an A2286 as my "swiss army knife" home computer; not only did I have the ability to run MacOS (ShapeShifter) at native speed, but the 8MHz 286 bridgeboard ...
4
votes
2
answers
1k
views
Joystick adapter from 9-pin to USB
I have still a couple of old C64/Amiga joysticks and I'd like to use them on the New C64, which has USB ports.
Is there an adapter from 9-pin male to USB?
This 3-year old article references a company ...
- 6,096
18
votes
3
answers
1k
views
Where are the blueprints of MOS chips?
Atari historians have been able to find documents and tapes of chips and hardware developed at Atari. E.g. http://atariage.com/forums/topic/154479-new-gtia-chips/ .
Nothing like this is happening for ...
- 18.4k
35
votes
4
answers
8k
views
Why didn't Apple sue Commodore over the Amiga's GUI?
Famously, in the late 1980's Apple sued Microsoft over the "look and feel" of Windows 2.x. The claim was that Windows breached Apple's copyright by being too similar to the Mac UI. Apple ultimately ...
- 30.7k
5
votes
1
answer
468
views
How does DMACON/R registers on Commodore Amiga platform work?
I have a specific question about the DMACON/R registers found in Commodore Amiga range of computers.
As you may know they are the DMA control registers that controls all the DMA channels used by the ...
- 59.4k
1
vote
1
answer
544
views
Help in finding signals on schematics
Where are the missing signals that I can't pair between amiga external drive connector and gotek drive?
I'd like to connect GOTEK to CDTV, there is a way to do it directly (caddy died), but I can't ...
- 198k
25
votes
4
answers
3k
views
What exactly was the Amiga Ranger?
Amiga's history includes something called "Ranger" that supposedly was either meant to be the next generation system to be released after the Amiga 1000 was released, or the codename for the next ...
- 301
21
votes
7
answers
3k
views
Was Amiga the last of the home retrocomputers sold?
The Commodore-Amiga was offered for sale to home users from 1985 (original A1000 in North America) until 1996, when Escom stopped selling the A1200. By 1996, Apple was selling PowerPC-based Macs for ...
- 6,036
5
votes
0
answers
459
views
What are the needed jumper settings for a 68060 accelerator for an Amiga 3000T?
I'm trying to install a 68060 accelerator on an Amiga 3000T, but I cannot figure out the correct jumper settings. The information I've found online is:
J100 CLK90 Delay jumper. This Jumper has three ...
- 1
12
votes
2
answers
634
views
How do I tell vasm to allow white spaces?
I have recently been learning to use vasm. For those that don't know, vasm is a cross-platform assembler for multiple types of processors such as the M68000.
http://sun.hasenbraten.de/vasm/
I am ...
CommunityBot
- 1
73
votes
7
answers
37k
views
Why was the Kickstart 1.x "Insert floppy" graphic so bad?
Anyone who used an pre-Kickstart 2.0 Amiga will be very familiar with the "Insert Workbench floppy" image:
I realise that this is subjective, but the image has always stuck me as ... well, a bit ugly....
