So.. technical debt and "hacks" ?:D
"Anthill Inside" 8)
On some computers there's a mysterious file that has all of the (world/universe's)? object variables, such as a person/object's location or height, age, etc, and magic is performed by manipulating those via verbal macros.
New spells are researched by literally programming and debugging.
It's a fun series, but it feels the author's done about as much as he can with it.
It was quite entertaining. But most of what he did was either off-the-cuff, or the book hid the hours and hours of testing and research so that it wouldn't bore the reader.
Unfortunately, I couldn't find the name of the book in my reading history.
Apocalypse: Generic System (Systems of the Apocalypse Book 1)
I haven't read the sequel yet, though.
And in HP people have the innate talent for magic.