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Update 'amigodos.s' 

Signed-off-by: hexsane <hexsane@noreply.localhost>
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hexsane 2022-03-15 20:16:31 +00:00
parent 06e4f4bc97
commit 8d01a04bce
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amigodos.s
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@ -5,21 +5,22 @@
; Code style & format borrowed from CFFA v1 source code
; use ca65 to assemble
;
; HP-IB AMIGO protocol ROM replacement for genuine Apple II GP-IB controller.
; HP-IB AMIGO protocol ROM replacement for genuine Apple II GP-IB (IEEE-488) controller.
;
; Was assembled and working for floppy drive in HP9133xv
; It will work with the hard drive but you will need to change the
; geometry and re assemble.
;
; Note about assembly: I had to offset the code by either 128 or 256 bytes
; (meaning you lose that space in the ROM) but I can't recall why. You may
; need to fiddle around with options to get it in the correct location to
; make the card happy. I've forgotten most of the Apple II I/O layout at this
; point in time.
; Note about assembly: I had to offset the code by 256 bytes
; (meaning you lose that space in the ROM) but I can't recall why other than
; the card didn't init unless I did. Others more familiar with the Apple II design
; will probably understand why.
;
; There is probably code in here from other sources but I couldn't recall from
; who at this point. If you see something that needs credit please let me know
; and I will happily do so.
; and I will happily do so. Some code is unused (I took code I worded on separately
; and placed it into the cffa code so I wouldn't have to reinvent the wheel.
; Anything referencing ATA commands can probably be removed.
;
.define EQU =