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Questions tagged [software]

For questions about the applications and programs that can be run on retro devices (computers, etc.)

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43 votes
1 answer
8k views

Why does the kill-screen glitch occur in Pac-man?

Pac-man is a game where you navigate a small yellow circle around a maze, collecting dots and fruit whilst avoiding brightly-coloured monsters, or ghosts. As long as there was at least one 'man left, ...
wizzwizz4's user avatar
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18 votes
2 answers
3k views

What is the instruction set of the PDP-7?

The PDP-7 was a bookshelf-sized "minicomputer", with keyboard, magnetic and paper tape and printer I/O. According to Wikipedia, the first version of UNIX (then named Unics) was programmed in assembly ...
wizzwizz4's user avatar
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26 votes
6 answers
8k views

Why did Pokémon Red have so many overflow bugs?

(This question also applies to other Game Boy games, but Pokémon seems to be one of the best-documented.) Pokémon Red & Blue (Red & Green in Japan) is a pair of Game Boy games about capturing &...
wizzwizz4's user avatar
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35 votes
6 answers
4k views

How did Elite (BBC Micro) compress resources?

Elite, an Acornsoft game for the BBC Micro, is a game set in space. Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is.     — Douglas Adams There are a ...
wizzwizz4's user avatar
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10 votes
3 answers
774 views

How can I copy software which is too large for one Atari ST floppy disk?

I have downloaded the STOS game creator from the STOS download page. I'm trying to copy the software from my computer to a floppy disk formatted on an Atari ST, but I get an error message saying the ...
inane's user avatar
  • 467
10 votes
2 answers
1k views

How were analytics gathered on software built for retrocomputing platforms?

In modern software development, it is a common practice to include some kind of analytics tracking software to see how customers are using your software, what a typical user flow of the application is,...
JAL's user avatar
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13 votes
2 answers
1k views

How can I build Gameboy Development Kit 2.1.5 on a modern Unix/Mac platform?

Continuing with my quest to build the Infinity Game Boy Color source code, I am trying to build the Unix source of GBDK 2.1.5 on my macOS El Capitan machine. Trying to make the files in the lib ...
JAL's user avatar
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7 votes
1 answer
509 views

Where can I find "Nemesis II", the sequel to "Nemesis", an old CP/M game?

In 1981, the "Nemesis" game was released for CP/M-based machines by Super Soft Inc., with the author attribution of Michael A. Pagels and Michael Q Hiller, and artist attribution of Diana J. Bush. ...
nijineko's user avatar
  • 173
51 votes
3 answers
16k views

What was Nintendo's Software Development Environment for NES Games?

(This question was inspired by my previous question What kind of software was used to develop Nintendo 64 titles?) The NES used a modified 6502 processor and most games were written in Assembly. ...
JAL's user avatar
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13 votes
0 answers
903 views

In search of.... SeaWar -- NOT Battleship!

Hopefully, sufficient background Many years ago (40-45), I used to play "Sea War" on a good sized time-share system. It was a text/adventure war game between a couple remote players, played over a ...
user2338816's user avatar
9 votes
1 answer
648 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 ...
JAL's user avatar
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19 votes
1 answer
4k views

What kind of software was used to develop Nintendo 64 titles?

There seems to be a lot of discussion online about the development hardware used to create Nintendo 64 titles: SGI Indy "pizza box" workstations, SGI's custom Ultra 64 development boards (aka "...
JAL's user avatar
  • 9,620
6 votes
5 answers
851 views

Does a market/shop with fully legal 8-bit software/games exist? [closed]

Currently about all of "8-bit micro" games that I know is either abandonware (which is a gray area) or free fan works. But is there some kind of shop, market, some place where you can purchase these ...
SF.'s user avatar
  • 7,115
12 votes
2 answers
887 views

What did disk-validator do?

...besides relabelling the disk to 'Lazarus' and helping the Saddam virus spread? I know it was supposed to 'fix' corrupted disks that were ejected during a write operation. I don't think I've seen a ...
SF.'s user avatar
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13 votes
1 answer
672 views

What does Personal Paint documentation actually refer to by "unmaskable interrupt" for its "crash protection feature"?

Personal Paint was a gfx program for Amiga that introduced many novel concepts, some quite ingenious, some... controversial. Among all, it had a "crash protection" feature, that was meant to enable ...
SF.'s user avatar
  • 7,115
15 votes
1 answer
746 views

How does one convert Atari assembly to A=USR(ADR("[garble]")) style BASIC wrapper?

Some small utilities, tools etc for Atari were distributed as BASIC programs that would consist of just one line, that looked something like this: 10 A=USR(ADR("p$PHHLéúÿÿÇEéúÿÿ@éüÿÿ2A$éòùÿÿE°U´è§...
SF.'s user avatar
  • 7,115
14 votes
3 answers
2k views

How did Atari cassette "turbo without hardware mods" work?

There were some cassette copying programs for 8-bit Atari, that boasted saving the games in a way that would load it at up to 1800baud - versus the standard 600baud, which was a significant ...
SF.'s user avatar
  • 7,115
29 votes
3 answers
4k views

What are the differences between a PAL and NTSC C64?

A lot of programs released for the Commodore 64 contained different software for the PAL or NTSC computer. Why did they have different versions of the hardware? Did the software have to be different ...
Thraka's user avatar
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22 votes
3 answers
2k views

How did "full memory" Spectrum tape copiers work?

There are some tape copiers, such as LERM that claim to be able to copy tapes which contain software that takes the full 48kbyte of RAM. However, this seems impossible on a Spectrum, when the whole ...
Sklivvz's user avatar
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23 votes
5 answers
1k views

Where can I find software for the PDP-6?

We are planning to build a reconstruction of the PDP-6. The project is making a lot of progress, but currently we have a critical lack of software. Does anybody know where we can find software to run ...
fuz's user avatar
  • 1,564

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