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that's simple, though. having an NMI like this: vblank: pha txa pha tya pha ;NMI subroutines pla tay pla tax pla rti will handle it, right? By the way, can you tell me why .segment zp .org $0000 .space mode 1 .space vramhi 1 .space vramlo 1 .space textindex 1 .space nextletter 1 .space curr2000 1 .s...

sweet! that totally worked!

now i just have to fix every other problem and code a million more things!

OK. I've got an SEI at the beginning of my program and I never clear the interrupt bit. Only thing is, my NMI doesn't seem to be going off more than once. Right now, it just draws the first letter of text (it's supposed to draw a letter every frame). I set up a method that mimics what happens when v...

For some reason, in my program, an IRQ is happening. I'm not clear on why it's happening, as when i go to debug in fceuxdsp, it says that i'm in my program's main stalling loop. i hit "step into" over and over again, and it loops normally, hitting no breakpoints. of course, an IRQ is pendi...

http://hkn.berkeley.edu/~mcmartin/P65/ref.html that's where the p65 documentation for directives is. .space dx 1 this sort of sets aside one byte of space that you can refer to as "dx" later on. in nes101 it's used to basically declare dx as a variable. you can use higher numbers if you ne...

p.s. the music's really good too.