[Coco] SDCC and other C topics

[KnudsenMJ at aol.com]

In a message dated 3/18/05 1:08:27 PM Eastern Standard Time,  
curtisboyle at sasktel.net writes:

>     Actually, there are two exceptions that one  _could_ use ,PC in the  
>system modules - in the main kernel  (BOOT, REL and OS9P1), and if GRFDRV. 
OK, I think you meant to say you could get away with *not* using ,PC  there.

>This is because both of these always get mapped exactly the  same (once the  
>MMU registers are set up correctly, of course). I  believe I actually used  
>that in the last version of GRFDRV I  worked on, to save some cycles and  
>space.


Good.  GrfDrv is the first place I'd want to save time and  space.
--Mike K.