From:	kunst AT prl DOT philips DOT nl (Pieter Kunst)
Subject:	Re: writing interrupt handlers
To:	S0R1282 AT tamzeus DOT bitnet
Date:	Tue, 12 Jan 93 17:41:21 MET
Cc:	djgpp AT sun DOT soe DOT clarkson DOT edu (DJGPP users list)
Mailer:	Elm [revision: 70.30]

Steve writes:
> 
> I'm porting a routine from BC that traps the com interupt to store incoming
> characters in a buffer.  

If you unzip 'aeasy101.zip' you'll find the routines you need.
(DJ also has his own version of an ASYNC driver, the one I use).

> In BC the declaration is void interrupt int_read(void);
> gcc does not understand the interrupt keyword, is there an equivalent that
> will save/restore registers, return via iret, etc?

DJGPP is very useful for porting UNIX software to the PC,
but less suited to port MSC or Borland C programs...
I suggest to use the ASYNC driver from DJ or AE.

--

Pieter Kunst (kunst AT prl DOT philips DOT nl)

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