On Sun, 17 Dec 1995, Andrew Gillham wrote:

> The bootblock automatically skips the first 32 bytes (a.out header),
> but I'm not 100% sure how much code it reads from the disk!  Could

When the mac starts up, it reads the first two blocks only, from the disk, 
then jumps to address $4, I think.  There, a branch goes past the 
"Macintosh Volume Information" stuff to where the actual code is.  This 
boot block is copied into the first blocks out of the system file "boot" 
#0.  Boot0 initialized the file system and opens up the system file to 
read Boot #1, which chains to boot #2, where all the important stuff 
happens.  BTW: this is all from memory, so I may be wrong.

--Rick C. Petty,  aka Snoopy
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