Questions tagged [emulation]
Processes and software for emulating retro hardware (e.g. MAME, QEMU). NOT EVERY EMULATION QUESTION IS ON-TOPIC; SEE TAG WIKI.
185 questions
3
votes
0
answers
173
views
ClearPath OS 2200 Express
Apparently Unisys started to offer ClearPath OS 2200 Express around 2016, an system that would also allow to emulate the Univac 1100/2200 family:
London, UK March 30, 2016 – Unisys Corporation today ...
- 34.7k
1
vote
0
answers
134
views
Convert PCem configuration to an executable? [closed]
I've built a Windows 98 machine in the PCem emulator. I have many programas installed a several files created there. I also personalized it, changed the background etc...
Now I want to send this to a ...
- 111
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 ...
- 458
5
votes
0
answers
2k
views
What is the functional difference between all the DOSBox variants? [closed]
Looking to virtualise a DOS system for software research purposes, I've come across a number of solutions. While I understand the difference between the DOSBoxes and emulators like Bochs or 86Box or ...
- 59
1
vote
3
answers
895
views
What is the layout of Atari VCS/2600 ROM files?
I understand the CPU had fewer address lines than a 6502, limiting it to 8kb but that the Atari hardware didn't connect one line thus limiting cartridge access to 4kb.
I further understand that the ...
- 8,214
9
votes
2
answers
2k
views
How does the 8086 jump instruction work when the target address overflows?
For educational purposes, I'm developing my own software emulator for the 8086 microprocessor with VGA/MCGA support. Although it's far from complete, it's advanced enough to start using a BIOS (though ...
- 201
1
vote
3
answers
1k
views
Understanding the Need for Positive Sync Polarities in Sony PVM Monitors
Understanding the Need for Positive Sync Polarities in Sony PVM Monitors
Note: This post has been edited several times during its lifetime, and some questions may have already been answered.
I'm in ...
- 71
10
votes
2
answers
575
views
1984 accounting software running in VirtualBox fails to print property to an LPT passthrough, but other software seems fine
My family still runs their business with an accounting package from 1984. The computer running it is old enough to drink. I’m trying to move it to a virtual machine. I’ve purchased a System 76 ...
- 101
3
votes
1
answer
806
views
What do the pins D0-D7 on the Intel 8080 exactly signify?
I am currently trying to create a FPGA styled simulator of the 8080 in C. I have a couple of questions regarding the D0-D7 pins. As far as I can see the D0-D7 lines are used in order to store data (a ...
- 31
1
vote
0
answers
279
views
Windows 3.11 in DOSBox-X says that “Your network adapter MS$NE2CLONE is not working properly” [closed]
I had networking working on Windows 3.11 previously, now I am getting the error "Your network adapter MS$NE2CLONE is not working properly". I tried reinstalling all the files, changing ...
- 1,268
2
votes
3
answers
803
views
Z80 to 68000 translator for CP/M
CP/M was mostly portable across systems but most of them were z80 based. It was ported to 8086, 68000 and maybe more but without binary compatibility.
No z80 systems that wanted CP/M compatibility ...
- 1,555
6
votes
0
answers
263
views
Where can I find information on old Kontron emulators?
Way back in the mid-80s, I worked as a programmer for the Apple II family, Commodore and Atari machines. I remember programming them using a big intimidating box branded Kontron stacked on top of my ...
- 692
6
votes
3
answers
1k
views
How do I make an Apple II disk image with the sectors in physical order?
As far as I understand:
a .do or .dsk file extension indicates that the sectors in a disk image are in AppleDOS order (i.e. the physical sectors are in order 0, 13, 11, 9 etc).
a .po file extension ...
- 1,546
6
votes
2
answers
812
views
BASIC line input buffer location on ZX Spectrum
I'm currently writing a ZX Spectrum emulator (I know there are plenty, but it's a project).
I'm having an issue where it keeps repeating the last key press even though I know the port lines have been ...
- 171
4
votes
2
answers
641
views
Looking for a retro chip emulator for building a custom system from scratch [closed]
TL;DR: I want to do this but entirely in software on my Linux laptop.
Long version:
In Ben Eater's "Hello World on a 6502", Ben shows how to build a computer from scratch using individual ...
- 581