Apple 1 memory question

Hi everyone,

I'm new here so hope you won't mind a (very) basic question, and apologies if it has been asked before!

I was browsing through Tom Owad's Apple 1 Replica Creation book for some information on Apple 1 / Replica 1's memory map and trying to understand the initialisation process when the unit is switched on, and I understand that like any other 6502-based system it ultimately looks for an address (a reset vector) at a specific memory location. Looking at what it says in the book (from Chapter 7, page 216):

" The 6502 microprocessor requires that a memory address be stored at addresses $FFFE and $FFFF (the address is 16-bit, so it takes two bytes). When the 6502 is reset, it immediately loads the address at $FFEF and $FFFF into its program counter and begins executing that address. Thus, you need to have a ROM at $FFFE–$FFFF"

A couple of questions

• It mentions $FFFE and $FFFF, then in the next sentence mentions $FFEF and $FFFF - is this just a typo?
• I fired up my Replica 1 to check $FFFE and $FFFF and found 00 00. I did a bit more digging online and I found that for other 6502 based machines the reset vector is in $FFFC and $FFFD, and I can see that these memory locations indeed contain 00 FF (referring to $FF00), which is the start location of the WozMon. Also it seems that $FFFE-$FFFF is the location of the interrupt request/break vector in the 6502 memory map (unused in the Apple 1). Is this a mistake in the book?

Thanks,

Gabriele (neonblurb)