Questions tagged [rom]

For questions about Read Only Memory.

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16
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4answers
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Historical price of ROM

Historical price charts for RAM are quite readily available, e.g. in the mid-seventies a ballpark figure was a penny a byte. What was the price of ROM (assuming you were getting the chips produced in ...
5
votes
4answers
369 views

Cheapest type of Read-Only Memory allowing Random access before Year 1970

Back in the 50s and 60s people had: random access, read-write memories like Magnetic Cores. sequential access, read-write memories like Delay Lines and Magnetic Tapes. And: sequential access, write ...
32
votes
7answers
5k views

Is it legal to download ROM images from shared or internet archives?

Is it generally legal to download older ROM images of commercial software and games for non-commercial use in a retro computing system (emulated or otherwise)? (Note that this question implies no ...
6
votes
2answers
2k views

What does “ByteSwapped” and “BigEndian” refer to in the context of video game ROMs?

I have found two different sets of Nintendo 64 ROMs with the same games (which, of course, I physically own). One is labeled "ByteSwapped" and the other "BigEndian". What exactly ...
13
votes
3answers
3k views

Extended ROMs on the Amiga CD32 and CDTV

Continuing my series of questions about Amiga ROMs :-) The Commodore CDTV contained a normal Kickstart 1.3 ROM, plus an "extended ROM". From http://www.l8r.net/technical/cdtv-technical.html: The ...
12
votes
1answer
1k views

Did the Apple 1 cassette interface card have its own ROM?

According to this page, the Apple 1 monitor program was located in addresses $F000-$FFFF, a ROM program to use the optional cassette interface card was at addresses $C100-$C1FF, and the peripheral ...
9
votes
1answer
568 views

Can you program an arcade game and have MAME or another emu run it?

I know Mame works with drivers for each game or hardware, and it checks for specific ROMs, and I guess it might check also for some checksum to verify the ROMs integrity. Is there some way you could ...