[A89] Re: change the SR

To: <assembly-89@lists.ticalc.org>
Subject: [A89] Re: change the SR
From: "Gijs Leegwater" <g_leegwater@hotmail.com>
Date: Mon, 29 Jan 2001 19:01:37 +0100
References: <OE63PBjxPGsKsJbB8qr00002cfa@hotmail.com> <003b01c1a8e7$1a8fd4b0$0201a8c0@binky>
Reply-To: assembly-89@lists.ticalc.org


>   move.w  #0x0700,d0
>   trap  #1
>   move.l  (0x00000064),old_int1
>   ...
>   move.l  (0x000000bc),old_trap15
>   bclr.b  #2,(0x00600001)
>
>   move.l  #MyInt1,(0x00000064)
>   ...
>   move.l  #MyTrap15,(0x000000bc)
>   bset.b  #2,(0x00600001)
>   trap  #1

Thanks for the info. Hehe a little optimizy thingie(cmiiw): swap $2700 to
the SR so supervisor mode is enabled, then use move d0,sr insteed of trap #1
the second time.

btw which of the files do I have to start to use prosit none of the p-files
work.

Bye,
Cheiz

Follow-Ups:

[A89] Re: change the SR

From: "Niklas Brunlid" <e96nbr@efd.lth.se>

References:

[A89] change the SR

From: "Gijs Leegwater" <g_leegwater@hotmail.com>

[A89] Re: change the SR

From: "Niklas Brunlid" <e96nbr@efd.lth.se>