on the 68000 a stackframe is 6 bytes long, except for bus and address errors. the stackframe contains the saved sr at (a7) and the saved pc at (2,a7).

Make this proper case.
On the 68000 a stackframe is 6 bytes long, except for Bus and Address Errors. The stackframe contains the saved SR at (a7) and the saved PC at (2,a7).