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Results tagged with x86
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user 3481
The Intel x86 family of architectures in general. Contemporary systems are OFF-TOPIC! Use the specific architecture’s tag if applicable.
24
votes
Accepted
Were there any PCs using the i376?
Either that, or someone writing a specification was told to handle all Intel x86-compatible processors and didn't realise that the i376 was not fully compatible. …
- 14.2k
18
votes
Accepted
Identifying late 1990s embedded 486 UNIX-like system
Here's a manual for CROS and one for the C500C robot controller. It seems clear that the bytecode files are compiled from the RAPL-3 programming language (no filename extension for binaries, .r3 for s …
- 14.2k
11
votes
Accepted
Examples of operating systems using hardware task switching of x86 CPUs
iRMX III is a real-time operating system for Intel 80386 and later processors, originally developed by Intel and now maintained by tenAsys. A quick look at the System Call Reference manual reveals tha …
- 14.2k
5
votes
Swapping endian-ness on the 68000
This take a little more circuitry than the OP, in that the byte-swapper has to make use of the Function Code bus lines (FC0, FC1 and FC2) to distinguish between data transfers and instruction fetches. …
- 14.2k