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petej
 Post subject: CLI behaviour
PostPosted: Thu Feb 03, 2005 1:34 pm 
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Joined: Mon Oct 18, 2004 12:18 pm
Posts: 7
I'd appreciate your combined experiences on the following:
Code:
CLI
LDX #$00
INX


Assume that interrupts are disabled and the IRQ\ line has gone low before the CLI op-code. I'm trying to figure out if the LDX op-code gets performed before the IRQ interrupt service routine gets called. My experiments show that it does.
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