Re: Disk controller

[Eric Smith <eric@brouhaha.com>]

simcop2387 <simcop2387@gmail.com> writes:
> Ok i've been playing around trying to get the disk controller to work
[...]
> what i don't know yet is why when it reaches the end of the rom it jumps
> to $0801 (which ends up filled with garbage it would appear when looking
> at the contents of the memory thanks to the apple monitor).

The disk boot loads track zero sector zero into memory from $0800 through
$08FF, and jumps to $0801.

So the jump to $0801 is correct, provided that it's read a sector first.