mirror of https://github.com/mgcaret/rom4x.git
61 lines
1.4 KiB
Plaintext
61 lines
1.4 KiB
Plaintext
; options
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EN_XMODEM = 1 ; comment out to disable XModem support
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; hardware
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rombank = $c028
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butn0 = $c061
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butn1 = $c062
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kbd = $c000
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kbdstrb = $c010
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addrl = $bff8
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addrm = $bff9
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addrh = $bffa
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data = $bffb
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; screen holes
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; same as //c firmware listing, need to add $c4 for mem card in slot 4
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sl_scrn1 = $478 - $c0
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sl_scrn2 = $4f8 - $c0
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sl_scrn3 = $578 - $c0
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sl_scrn4 = $5f8 - $c0
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sl_scrn5 = $678 - $c0
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sl_scrn6 = $6f8 - $c0
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sl_scrn7 = $778 - $c0
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sl_scrn8 = $7f8 - $c0
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numbanks = sl_scrn1
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pwrup = sl_scrn7
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; next loc is commented in firmware listing, but apple engineers
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; planned on a more sophisticated power-up check that they didn't do
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; we will repurpose this to store selected closed-apple menu item
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power2 = sl_scrn8
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sl_devno = $778
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; locations
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softev = $3f2
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pwerdup = $3f4
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cv = $25
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; values
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pwrbyte = $a5
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rx_slot = $4
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rx_mslot = rx_slot + $c0
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rx_devno = rx_slot * $10 + $88
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; entry points
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gorst4x = $cff9 ; reset patch destination
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gobt4x = $cffa ; boot patch destination
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rst4xrtn = $facb ; where to return from reset4x
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bt4xrtn = $fb19 ; where to return from boot4x
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rom4x_disp = $e000 ; main dispatch code
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banner = $fb60 ; 'Apple //c'
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testsize = $d99f ; test ramdisk size (rom 3 = $d995)
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monitor = $ff59 ; monitor
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swrts2 = $c784 ; switch firmware and rts
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basic = $e000 ; BASIC cold start entry point
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coma = $c55d ; location of coma routine
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setnorm = $fe84 ; normal video
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init = $fb2f ; init screen
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setvid = $fe93 ; init output
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setkbd = $fe89 ; init input
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