Questions tagged [amiga]
For questions related to the Commodore Amiga family of personal computers.
240 questions
10
votes
2
answers
1k
views
New to Amiga, my machine wants some floppy, no workbench but kickstart in ROM [closed]
My new Amiga, running as an "fs-uae" process on an Ubuntu laptop, stops here:
My impression is that it wants a disk. After a lot of investigation, I understood that kickstart (ca. "...
15
votes
1
answer
363
views
Looking for information on the original Kwikstart for the Amiga 1000
I recently acquired an A1000 that has a Kwikstart card installed. This was a hardware modification (made by DKB Software) that allowed the Amiga to kick from the supplied ROMs instead of requiring ...
6
votes
0
answers
257
views
Is there a full or partial disassembly of Microsoft basic for the Amiga or Mac?
It seems the Amiga and Mac versions of Microsoft Basic are very closely related. Down to at least the picture demo program that draws kinda concentric ellipses in a window.
I started disassembling ...
14
votes
1
answer
1k
views
Did the Akiko have any other developer-useable features than Chunky-to-planar?
The Amiga CD32 had an additional chip not found on other AGA machines, the Akiko. This is listed as having two main uses: It's the CD-ROM Controller in the system (which doesn't seem like something a ...
9
votes
1
answer
497
views
Was the Amiga AGA blitter performance improved enough to not offload to the CPU for high color text screens?
The Amiga's custom chipset included the Agnus chip which supported a blitter function to do high performance block moves of memory which benefited the machine's graphical speed. The idea was that it ...
5
votes
1
answer
328
views
Bad blocks... or SCSI termination issue on Amiga 2000?
I have my Amiga 2000 system set up with about 3 SCSI drives and a SCSI scanner.
The system was having trouble booting. I disconnected the scanner and the system now boots, but one HD is showing bad ...
2
votes
0
answers
123
views
Seagate ST9051A data recovery, PCB fault, drive data corrupted
I have a Seagate ST9051A 2.5" IDE hard disk drive from 1992, which shipped with an Amiga 1200. Some years ago the drive stopped working and was decommissioned.
I recently tried using the drive ...
3
votes
1
answer
294
views
Looking for a non completed Amiga PPC game
In the late 90s there was work on a 3d space trading game for a PPC equipped Amiga. I'm trying to recall what the name of that game was, and who the developers were. Does this ring any bells to ...
12
votes
3
answers
2k
views
Have there been any parallel blitter implementations?
I read about blitters - history and technical implementation (what I could understand), for example in Amiga and Bally Astrocade.
The principle is that there is a fast copying of memory from one place ...
3
votes
1
answer
296
views
Amiga Forever fullscreen mode is display on second monitor instead of first monitor [closed]
I'm using Amiga Forever on Windows 11 with two monitors.
Now I have a recent new problem with the fullscreen mode in Amiga Forever (It used to work correctly).
If the Amiga Forever program is on ...
5
votes
2
answers
411
views
What is an external IDE 37 DBI pin device?
I have a couple of Paravision SX-1 expansions for the Amiga CD32 game console, and I want to use the external DB-37 pin port for storage, however, I have never seen anything that uses that connector. ...
4
votes
1
answer
455
views
How to find the dos.library functions in an Amiga rom?
I'm disassembling Amiga Kickstart 1.0 ROM (NTSC) and looking for the dos.library code.
I'm sure dos.library is in the ROM since it's needed to use the disk drives. I also found this area:
(Symbols ...
2
votes
0
answers
270
views
Is there a disassembly of the Amiga's dos.library available?
I've become interested in how the Amiga's LoadSeg() function from dos.library works.
So I'm looking for commented disassemblies of any version of the dos.library from an Amiga ROM or Kickstart etc.
I ...
8
votes
1
answer
465
views
What is the Amiga parallel port hardware protocol for bidirectional transfers?
I’ve successfully made a microcontroller device that bridges the Amiga parallel port in output mode to a network printer.
I understand the port is capable of bidirectional transfers and I can imagine ...
10
votes
4
answers
3k
views
Why did the Amiga 2000 only produce grayscale on its composite output?
The Amiga 1000, 2000, 500, 1200, and 600 all had composite video output ports in addition to their preferred RGB connectors. While I know that the A1000 will produce color output over the composite ...