[OpenBIOS] PIC Passthough( VGA )

[Jd Lyons]

> On Dec 18, 2017, at 12:48 AM, Segher Boessenkool <segher at kernel.crashing.org> wrote:
> 
> On Mon, Dec 18, 2017 at 12:05:17AM -0500, Jd Lyons wrote:
>> Still bombing out at the same place:
> 
>> 401002a :  [ 0xe34 ]
>> 
>> byte-load: exception caught!
> 
> : xe33  $find invert IF ABORT THEN ;
> : xe34
>    " us" xe33 TO x9a7
>    " case-closed?" $find invert IF 2drop ['] 0 THEN
>    TO x9a8 ;
> 
> So the thing that throws is fcode e33, when trying to find the word "us".
> 
> (Btw, "invert" is weird here; I suppose it was coded as its synonym "not".
> In some other Forth systems "not" is a synonym for "0=", which makes more
> sense here.  Either works as long as $find returns a canonical true/false,
> as it supposed to).
> 
> So, implement "us", and you'll get further :-)  It's just like "ms", but
> microseconds, instead; so you could do
> 
> : us ( n -- )  d# 1000 / 1+ ms ;
> 
> (which waits way too long for short timeouts, of course).
> 

Ok, thanks, that makes since. I did see the “case-closed?” When I searched for 0xe34 in the detoked rom, but I wan’t sure what to make of it.

So, the “us” word is unimplemented in Openbios, and we need to add it to get past this part?


> 
> Segher
> 
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