• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

Any appetite for a math co-processor board for Classic-II?

bdurbrow

Well-known member
Note that I said "in this context", not "at this level".
"Context" is used in the sense of "interrupt time context" or "plug-in context" as well... so, yeah. Multiple definitions.

The NIC issue seems to be more one of documentation having gone AWOL over the years; or at least that's what I'm finding with my other project (MacESP8266+). On that one, I'm back to dropping another low-cost MCU (a SAMD21E16 in this case) to do LocalTalk FM0 decoding because documentation to create an AppleTalk driver for pre Open Transport systems to send the packets in a way that the ESP8266's UART can handle seems hard to come by.

and yet, the lack of new declroms suggests that there are wrinkles in the execution environment that perhaps are not obvious from just reading the documentation

An Apple product? With subtle bugs?!? Ya don't say... ;)

non slot manager managed ROMs would require either to totally replace the existing ROM

Sort of. You'd have to patch the existing ROM image to make a call into the new card-mounted ROM at an appropriate time; and install that patched ROM at the same time as the card. So, yeah, you're totally replacing the ROM chips, but not the ROM software.

All of this is academic
Well...... it's all kinda' academic; I mean we're talking about writing software for a low-end Mac from a loooong time ago... (same galaxy, though 😜 )
 
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