Subject: Aw: Re: [stella] Why do we use the SEI instruction??? From: cybergoth@xxxxxxxx Date: Mon, 4 Aug 2003 21:37:09 +0200 (CEST) |
Hi there! > > Which is wrong. BRK causes an NMI and is so totally disregarding the > > Interrupt-Flag. > No, BRK uses $xffe, which is the IRQ vector. BRK is an NMI, basta! > But you are right, you can not disable BRK by using CLI. That's why they call it a *N*on *M*askable *I*nterrupt ;-) > Yup and according to Kevin Horton ([stella] 03 Sep 2001) CLD is too. > :-) Hm... I remember some people had troubles playing Gunfight on a CC back then, when I was relying on a certain power-up bcd flag state there... :) Greetings, Manuel ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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Re: [stella] Why do we use the SEI , Thomas Jentzsch | Thread | Re: Aw: Re: [stella] Why do we use , Robin Harbron |
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