Re: How does the Applesoft INT (vs. FP) command work?

[mmphosis <mmphosis@yahoo.com>]

On Jan 22, 4:27 pm, MdntTrain <j...@cimmeri.com> wrote:
> Hi, folks.
>
>   On a II+, if INTBASIC is loaded into the Language Card ram (LCr), I
> know *what* the INT command does -- it switches from Applesoft in ROM
> to the BASIC in the LCr ..  but does anyone know exactly what steps
> occur when INT is run?
>
>   At some point, INT must activate the LCr bank, which would then
> immediately make Applesoft (thus presumably the rest of the INT
> command code) disappear.. so I does INT set up something like a page 3
> route to do the bank switch, then start intbasic at E000?
>
>   Thank you for any explanations-
>  -John

Beneath Apple DOS by Don Worth and Pieter Lechner
page 8 - 14

http://www.textfiles.com/apple/ANATOMY/cmdint.txt
http://www.textfiles.com/apple/ANATOMY/cmdfp.txt