Re: [hatari-devel] Natfeats doc?

[Thorsten Otto <admin@xxxxxxxxxxx>]

On Mittwoch, 8. September 2021 18:34:19 CEST Eero Tamminen wrote:

> Should it also clear out the parsed parameters

> from stack (i.e. in NF_DEBUGGER case increase

> A7 by 4)?

 

My idea was that this opcode does not use any parameters, nor modifies any registers (not even D0)

 

>In that case, I think it would be better to use

>already existing instruction / opcode for that,

>either:

>- "illegal" ($4afc), or

>- "bkpt" ($4848 + vector)

 

BKPT is an 68020 only opcode, IIRC. "illegal" is often used by native Atari debuggers to set breakpoints. Using any of these may conflict with those debuggers.