Questions tagged [emulation]

For questions about processes and software for emulating retro computer and console hardware (e.g. MAME, QEMU).

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16
votes
2answers
1k views

How old-computer emulators work?

I'm wondering how old-computer emulators work. I can think of two possible approaches: "hardware" approach - like a set of components that exactly act as low-level hardware elements. I mean a bus ...
6
votes
1answer
393 views

What are all the known file extensions for Atari 8-bit disk/tape/cartridge images?

I have a few collections of Atari 8-bit images that I've downloaded over the years, but only cherry picked into them. I'm at the point that I'd like to clean things up a bit and get rid of files that ...
6
votes
1answer
479 views

pop af and flags

I'm writing a Z80 emulator in Swift for Mac OS and I have got as far as implementing the 16 bit pop instruction. The documentation I have found (i.e. The Z80 CPU User manual UM008011-0816 and also ...
8
votes
0answers
178 views

Gamepad triggers main menu in Fuse SDL

I'm trying to set up a gamepad to work with Fuse on Ubuntu. No matter which type of joystick I try to emulate (including None), pressing button #2 (or B in the Sega naming) opens the main SDL menu. ...
6
votes
2answers
510 views

Classilla on SheepShaver for Windows

I am trying to install Classilla, an open-source browser for Mac OS9, on SheepShaver for Windows. In SheepShaverGui.exe, I have the Enable "My Computer" icon checked. I open up SheepShaver and go to ...
7
votes
2answers
961 views

SheepShaver failing to install application; Not Enough Memory

I am trying to install "Kid Pix Deluxe 4" on Mac OS 9 using SheepShaver on Ubuntu 16.04. A problem I am having is that when I try to install it, I get an error saying that I don't have enough memory. ...
16
votes
2answers
8k views

Install Commodore 64 on VirtualBox

I have installed MS-DOS, FreeDOS and Windows 98 in Oracle VirtualBox. I want to try Commodore 64. How do I install a Commodore 64 emulator in VirtualBox?
15
votes
3answers
1k views

What are the laws concerning emulation in the US?

Emulators have always been a gray area. Googling the laws on emulation reveals all sorts of different answers, often with people saying that it's ok because "it's old stuff anyways." Are there laws ...
4
votes
1answer
192 views

Basilisk II error

When I try to open the BasiliskIIGUI.exe I get errors saying things like 'The program can't start because libglib 2.0-0.dll is missing from your computer' I have the recommended GTK installed and I ...
6
votes
1answer
2k views

Can the Gotek floppy emulator be made to work with classic Macs?

The Gotek floppy emulators are really popular in the retro scene. I have one modified (firmware update) to work with my Amiga 500. Can one be made to work with any of the classic line of Macintosh ...
25
votes
4answers
10k views

What exactly is a cycle-accurate emulator?

Emulators such as Higan are cycle-accurate and thus have full compatibility with all existing software. In a 2011 Ars Technica article, much was said about cycle accuracy and how it preserves games by ...
8
votes
1answer
497 views

Configuring the slots in MAME for different hardware

How can you configure the MAME emulator for different hardware (hardware cards) in the available slots of the emulated system? For example, how can you put in different cards in the emulated Apple ...
28
votes
1answer
11k views

Why is a BIOS dump not required to emulate Nintendo 64 games in most modern emulators?

In order to emulate some home consoles (Playstation 1/2, Sega Saturn/CD/32x, etc.) a dump of the system's BIOS is required to emulate the console. Out of the Nintendo 64 emulators I have found online,...
13
votes
5answers
4k views

Looking for a Z80 simulator/emulator for Linux

I've seen simulators for the 8085 (i.e., sim8085) but not the Zilog Z80. Is there a similar sort of editor/assembler/compiler/debugger simulator for the Z80?
1
vote
1answer
577 views

SheepShaver won't open after reboot

I am using SheepShaver on Windows 10. I had everything working, so I went to download Stuffit Expander 2011 to extract some software to use with SheepShaver. When the installation process was done I ...
2
votes
1answer
2k views

SheepShaver - cdenable.sys on 64-bit

I am using SheepShaver to emulate OS9 and I have got everything else working, except that when I run it it gives me the cdenable.sys is missing error. I have cdenable.sys in Windows/System32/drivers, ...
3
votes
1answer
462 views

SheepShaverGUI.exe on Windows Error

I am trying to install SheepShaver on Windows and when I try to open SheepShaverGUI.exe it gives me this error The procedure entry point pango_font_map_create_context could not be located in the ...
15
votes
3answers
6k views

How can MS-DOS be installed on VirtualBox?

As part of the MSDN subscription I just got, I can download MS-DOS 6.22 (wow indeed). I want to install it to a VirtualBox VM so I can try old games and viruses (due to viruses, I can't install it to ...
6
votes
1answer
402 views

TI-83 Series Graphing Calculator Emulator

Back in middle school I set up a Windows/DOS TI-83 calculator emulator for some of my teachers. I can't for the life of me remember the name, but I'm looking for a Mac TI-83 emulator (or any TI-8x ...
13
votes
1answer
1k views

Calculating the time for a CPU cycle

As a learning exercise, I'm writing an emulator for the 6809 CPU. I'd like to simulate the speed of the CPU. I know the Motorola 6809E runs at 0.895 MHz and 1.79 MHz on the Color Computer 3. How do I ...
1
vote
2answers
355 views

Is QEMU Used Commercially? [closed]

I have played around with the QEMU emulator, as it can emulate OS's that VirtualBox cannot, especially older systems that cannot run on x86 or x64. With QEMU being quite slow because it has to ...
13
votes
1answer
503 views

How to use virtual cassettes with Matthew Reed's TRS-80 Model III emulator? (TRS32)

I'm fooling around with Matthew Reed's TRS-80 Model 1/III/4 emulator for Windows (TRS32) and am have trouble using virtual cassettes. I am using it to emulate a Model III with Level II BASIC. I have ...
10
votes
3answers
2k views

What Commodore 64 emulator and assembler to use? [closed]

I'm about to do some assembly coding for the C64 but for sanity I would like to do the actual coding on my Mac with an emulator. My question is; which is the most maintained/up-to-date emulator/...
15
votes
1answer
658 views

Unable to install Colonization in DosBox

I'm attempting to install Sid Meyer's Colonization in DosBox from the original floppies, and it gives me the error message "You have specified a drive that doesn't physically exist!" when I try to run ...

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