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echo: 80xxx
to: DARRYL GREGORASH
from: GLEN MCNABB
date: 1997-12-29 08:54:00
subject: pure Hex Programming

On , Darryl Gregorash wrote to Scott McNay :
DG> Replying to a message of Scott McNay to Peter Magnusson:
DG> 
DG>  SM>> The most blatant bug must be the POP CS bug in the 808x;
DG> 
DG> Equally sinister was the bug that allowed an INT to execute immediately 
DG> following execution of a change to SS.. a MOV SS,  was supposed to 
DG> simultaneously clear the int flag for one instruction, to allow for the 
DG> customary MOV SP,  
DG> 
DG> Oh well, what's a stack overflow between friends? :)
Just another really good reason to disable interupts befo doing that...
Glen
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