Subject: Re: how to use ROM maps?
To: Eric O'Connell <titan@gate.net>
From: Christopher R. Bowman <crb@ChrisBowman.com>
List: port-mac68k
Date: 07/17/1998 23:38:50
At 06:55 PM 7/17/98 , Eric O'Connell wrote:
>>This afternoon, I was browsing my CodeWarrior Academic Pro 11 CD-ROM
>>(yes, it's oooold but I got it for just $30) and came across the ROM
>>maps under the MPW folder.  I guess these have the offset of ROM
>>routine entries?
>>
>>Anyhow, I've managed to Build ROM.Maps, hoping the resulting output
>>would be something more useful than the input files, but they look
>>pretty much the same to me.  I mean, I have no idea how to interpret
>>the files.
>>
>>How do I make use of them?  I find some interesting-looking entry
>>names in AVROM.lst that I'd like to start disassembling so that I
>>might be able to have some idea how those AV-Mac-specific chips work
>>(e.g. PSC, the Singer codec, ATT3210 DSP, etc...).  Especially, it'd
>>be cool to bus_dma'ify PSC code and support DMA for esp and zs drivers
>>(it'd be even cooler to get some clues on how to implement audio
>>driver using the Singer codec and PSC).
>
>Please please please let me know if you do anything with this, I have a
>beached quadra 660av and I'm dying to futz around with the cool stuff
>inside (esp. audio).  I'm relatively proficient in 68k asm so I do have the
>capability of helping :)  I told Colin a while ago that I would have a look
>at the sound driver on it but right now its hard drive is in my new 7200 :)
>So if you are planning to do something with the AV mac let me know so i can
>reformat etc.
>
>Eric O'Connell
> 

The 660av should work, I have one here that I ran NetBSD on for a while,
but now that summer's come
it is just to damn hot to run it and all my other gear.
--------
Christopher R. Bowman
crb@ChrisBowman.com
http://www.ChrisBowman.com/~crb