; hardware
set80col = $c001
rombank = $c028
butn0 = $c061
butn1 = $c062
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
sl_devno = $778

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

; entry points
r5xrtn = $fce1
rom5x = $cf00
testsize = $d99f
swrts2 = $c784