Disabling interrupts

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JPI
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Posts: 1
Joined: Mon Nov 23, 2020 7:11 pm

Disabling interrupts

Post by JPI »

Hello all!
Im am programming a win98 computer with QB in DOS prompt . I control stepping motors with OUT(port) commands, but I think the system interrupts cause the stepping to be not smooth, particularly when the stepping freq. is high.
So how can I disable interrupts? Even mouse and timer interrupts can go away, actually all ints. I have MASM. but I dont know how to link it with QB.
Thanks.
Peter Swinkels
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Joined: Fri Sep 17, 2021 12:08 pm
Location: The Netherlands
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Re: Disabling interrupts

Post by Peter Swinkels »

Personally I prefer to use NASM or for very small things you can even use the MS-DOS debugger to create small binary files. Also, I wouldn't link binary files but rather use CALL ABSOLUTE to call snippets of binary code. What does you assembly code look like btw?
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