If the SNA file contains e.g. 0x8FFB as address this is put in SP and the program is started at the location SP points to.
However before starting the program the SP needs to be adjusted by adding 2.
I.e. a RETN instruction should be simulated.
(Additionally copy IFF2 to IFF1).
maziac
commented
3 years ago
If the SNA file contains e.g. 0x8FFB as address this is put in SP and the program is started at the location SP points to. However before starting the program the SP needs to be adjusted by adding 2. I.e. a RETN instruction should be simulated. (Additionally copy IFF2 to IFF1).