; options
EN_XMODEM = 1 	; comment out to disable XModem support

; hardware
rombank = $c028
butn0 = $c061
butn1 = $c062
kbd = $c000
kbdstrb = $c010
addrl = $bff8
addrm = $bff9
addrh = $bffa
data = $bffb

; screen holes
; same as //c firmware listing, need to add $c4 for mem card in slot 4
sl_scrn1 = $478 - $c0
sl_scrn2 = $4f8 - $c0
sl_scrn3 = $578 - $c0
sl_scrn4 = $5f8 - $c0
sl_scrn5 = $678 - $c0
sl_scrn6 = $6f8 - $c0
sl_scrn7 = $778 - $c0
sl_scrn8 = $7f8 - $c0
numbanks = sl_scrn1
pwrup = sl_scrn7
; next loc is commented in firmware listing, but apple engineers
; planned on a more sophisticated power-up check that they didn't do
; we will repurpose this to store selected closed-apple menu item
power2 = sl_scrn8
sl_devno = $778

; locations
softev = $3f2
pwerdup = $3f4
cv = $25

; values
pwrbyte = $a5
rx_slot = $4
rx_mslot = rx_slot + $c0
rx_devno = rx_slot * $10 + $88

; entry points
gorst4x = $cff9		; reset patch destination
gobt4x = $cffa		; boot patch destination
rst4xrtn = $facb	; where to return from reset4x
bt4xrtn = $fb19		; where to return from boot4x
rom4x_disp = $e000	; main dispatch code
banner = $fb60		; 'Apple //c'
testsize = $d99f	; test ramdisk size (rom 3 = $d995)
monitor = $ff59		; monitor
swrts2 = $c784		; switch firmware and rts
basic = $e000		; BASIC cold start entry point
coma = $c55d		; location of coma routine
setnorm = $fe84		; normal video
init = $fb2f		; init screen
setvid = $fe93		; init output
setkbd = $fe89		; init input