Subject: Re: [stella] Why do we use the SEI instruction??? From: Thomas Jentzsch <tjentzsch@xxxxxx> Date: Mon, 4 Aug 2003 21:15:31 +0200 |
At Monday, August 4, 2003, 17:53, Manuel wrote: > Which is wrong. BRK causes an NMI and is so totally disregarding the > Interrupt-Flag. No, BRK uses $xffe, which is the IRQ vector. But you are right, you can not disable BRK by using CLI. > Correct, but any SEI instruction would still be a wasted byte. Yup and according to Kevin Horton ([stella] 03 Sep 2001) CLD is too. :-) Have fun! Thomas _______________________________________________________ Thomas Jentzsch | *** Every bit is sacred ! *** tjentzsch at web dot de | ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Aw: Re: [stella] Why do we use the , cybergoth | Thread | Aw: Re: [stella] Why do we use the , cybergoth |
[stella] Re: Sound, monty music - a, Andy Mucho | Date | Aw: Re: [stella] Why do we use the , cybergoth |
Month |