Search found 4 matches

by opius
Tue Jan 29, 2019 7:36 am
Forum: NESdev
Topic: .NES to .ASM (Help)
Replies: 15
Views: 13036

Re: .NES to .ASM (Help)

Windows-machine?
Then check your shadow copy! (You might get lucky)
Shadow explorer should work for that. (Or right clicking on the folder and choose previous versions.)

/opius
by opius
Mon Feb 20, 2006 12:48 pm
Forum: NESdev
Topic: Programflow
Replies: 3
Views: 4052

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But let's say i at first do nsf-playback (not sure of how much of the vblank time that uses). And then after that i want to do my other code.. wich takes up alot of my vblank time (so there isn't enough time for both nsf and my code) How can i prioritise my nsf, so that after the nsf-code has update...
by opius
Mon Feb 20, 2006 8:56 am
Forum: NESdev
Topic: Programflow
Replies: 3
Views: 4052

Programflow

Every time a NMI occurs, The Processor starts from the top of my NMI routine, and works it's way down. Is it somehow possible to save the state of the processor, so next time the NMI occurs, it continues from my previous state? (let's say i had finished half my code in the NMI Interrupt). Hope you g...
by opius
Thu Feb 16, 2006 6:21 am
Forum: NESdev
Topic: PAL NES Questions
Replies: 25
Views: 12212

PAL NES Questions

What is the correct number of CPU Cycles for a scanline on a PAL NES.
106+5/9 or 106+9/16
And is it correct that the vblank period is 70 scanlines? ..