He taught classes that going through the actual 68000 assembly to perform the context switch between threads in an interrupt service routine (copy the saved registers from the running thread on the stack to a separate area, and overwrite them on the stack with the registers from the thread you want to switch to).
He taught classes that going through the actual 68000 assembly to perform the context switch between threads in an interrupt service routine (copy the saved registers from the running thread on the stack to a separate area, and overwrite them on the stack with the registers from the thread you want to switch to).