On 2013-02-13, at 16:27, Oliver Schmidt wrote: >> The original handlers may do RTI by themselves. > > Or there are well known KERNAL locations doing the actual work that > can be called directly - I don't know... While this holds true that most KERNAL extensions try to preserve major entry points, I am against this approach. We want this to be as compatible as it gets and this condition excludes calling ROM routines outside of the documented vectors. I think it is better to do some cheating on the stack than call mid-ROM routines. >> This has to be taken care of properly. > > Surely! > >> Presumably by stack tweaking. > > Or by faking an IRQ with a > php > jsr > sequence. Which I'd put in the same basket ;-) -- SD! ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo@musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.Received on Wed Feb 13 16:39:23 2013
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