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Questions tagged [msx]

For questions about the MSX standard or about computers, hardware or software conforming to the MSX standard.

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10
votes
2answers
235 views

What is the Circuit for a 16K or 32K MSX computer cartridge?

This question is about the old MSX-1 computers. I have a game I wrote, as a ROM file, and I now want to play it on a real MSX computer by putting the game into cartridge form. The game has been ...
16
votes
2answers
2k views

How to decode an audio file which contains an MSX BASIC program? [closed]

I have an audio file in WAV format, which supposedly comes from a cassette sound file. Moreover, it contains a BASIC program, but I don't know how to decode it. I have tried to convert the wav file to ...
5
votes
1answer
261 views

How can I change the MSX function keys using ASM?

How can I change the texts assigned to MSX function keys using Z80 ASM?
2
votes
1answer
225 views

Why didn't Famicom games use the Konami SCC for expansion audio?

There were a handful of Konami games on the Famicom that had additional sound chips (VRC6, VRC7, etc.) to enhance the audio of the games they were used in. Considering that the Famicom got many Konami ...
6
votes
2answers
569 views

How does the MSX2 game “pointless fighter” obtain a graphic above the average?

The Homebrew game "pointless fighter" (https://youtu.be/PReg7pPcbIY) has graphics and animations substantially better than most of the MSX2 games. Is there a technical breakthrough which permits such ...
13
votes
3answers
5k views

MSX Assembly/Basic programming documentation

I'd like to try to create software (and maybe simple games) for the MSX standard. I know I have two ways to do so, either I use MSX Basic or Z80 assembly. I think that Z80 assembly is more powerful ...
7
votes
1answer
311 views

ROM programs on the Sony MSX HitBit HB-501

I have acquired a Sony MSX HB-501 F (F stands for France, it only defines the keyboard's layout). It is fully functionnal, I can play games from cartridges on it and it displays MSX-BASIC if no ...
11
votes
3answers
1k views

Where can I find schematics for a simple first-generation MSX computer?

I know the basic specs of a first-generation MSX compliant computer. What I'm looking for are some schematics on how to build one. Something simple that, preferably, didn't use custom ICs that ...
10
votes
1answer
234 views

Which was the first true compatible MSX computer available in the market?

I'm talking about true MSX computers, not MSX-ish, or partially compatible MSX computers (Spectravideo 318, I'm looking at you).
18
votes
2answers
511 views

What are the common sources of incompatibility on different MSX computers?

I remember that a LOT of games for my MSX (I live in Brazil) don't work without some modification. For example, several need some kind of tweak on the loader, like poke -1,0. I would like to know ...
22
votes
5answers
2k views

How much benefit should be expected on a more advanced compiler for z80/r800 based computers?

I am self studying about compilers, and get hands on very good textbooks about the subject. I am thinking in develop a compiler using the almighty llvm infrastructure to cross compile to old computers,...