Oric Atmos ROM 1.1b Disassembly - browsable listing by [raxiss]

Here you can ask questions or provide insights about how to use efficiently 6502 assembly code on the Oric.
User avatar
iss
Wing Commander
Posts: 1641
Joined: Sat Apr 03, 2010 5:43 pm
Location: Bulgaria
Contact:

Oric Atmos ROM 1.1b Disassembly - browsable listing by [raxiss]

Post by iss »

Hello all!

Here you can find the Oric Atmos ROM 1.1b Disassembly converted to easy-browsable format.
https://iss.sandacite.com/tools/oric-atmos-rom.html

You can click on any instruction argument which is in the range $C000...$FFFF to jump to that address ;).
The provided page is simple static html - you can save it for offline usage.
atmos-rom.jpg
Happy hacking!
iss
User avatar
mikeb
Flight Lieutenant
Posts: 282
Joined: Wed Sep 05, 2018 8:03 pm
Location: West Midlands, UK
Contact:

Re: Oric Atmos ROM 1.1b Disassembly - browsable listing by [raxiss]

Post by mikeb »

Excellent resource, and what a Xmas gift! Already saved for posterity! :)

Note that at #E43A ... "trigonometric function data" ... is it time to acknowledge the easter egg?

Code: Select all

perkin (~)> echo "MICROSOFT" | rev | hexdump -C
00000000  54 46 4f 53 4f 52 43 49  4d


# Hi bits, hi bits, other than that it fits ...
User avatar
jbperin
Flight Lieutenant
Posts: 480
Joined: Wed Nov 06, 2019 11:00 am
Location: Valence, France

Re: Oric Atmos ROM 1.1b Disassembly - browsable listing by [raxiss]

Post by jbperin »

Thank you 👍😀
User avatar
Steve M
Squad Leader
Posts: 787
Joined: Fri Mar 24, 2006 3:33 am
Location: Cumbria, UK
Contact:

Re: Oric Atmos ROM 1.1b Disassembly - browsable listing by [raxiss]

Post by Steve M »

Nice !
Post Reply