Search found 186 matches

by MetalSlime
Thu Apr 02, 2009 5:43 am
Forum: NESdev
Topic: PDRoms Coding Compo v4.01 - NES allowed!
Replies: 23
Views: 10112

sounds cool. I'll give it a shot. Hope I can make the deadline.

btw, what constitutes a puzzle/logic game? Is finding your way out of a maze considered a puzzle?
by MetalSlime
Wed Apr 01, 2009 11:24 pm
Forum: Newbie Help Center
Topic: Questions about CA65 segments
Replies: 1
Views: 2061

Questions about CA65 segments

Howdy. I started messing with CA65 the other day and I got a little test rom to assemble. I had a few questions about segments and how best to use them. Question 1: First, let's assume I have a UNROM .cfg layout like this (compliments of SecretServiceDude . Thanks man!): MEMORY { M_ZEROPAGE: start =...
by MetalSlime
Tue Mar 24, 2009 2:35 pm
Forum: Newbie Help Center
Topic: Reading a rom with the iNES header
Replies: 11
Views: 4786

I'll take one for the team and test the waters.

Disch's NES Mapper List can be found here: http://romhacking.net/docs/362/
by MetalSlime
Thu Mar 19, 2009 6:52 am
Forum: NESdev
Topic: A 3D Maze Engine
Replies: 28
Views: 12772

Very cool! I second Celius's suggestion about drawing intermediate steps so that it looks like you are moving.
by MetalSlime
Tue Mar 17, 2009 1:18 am
Forum: General Stuff
Topic: What is a good SRAM battery seller?
Replies: 10
Views: 6408

Would this work?

http://www.allelectronics.com/make-a-st ... ABS/1.html

If so, you can get them for less than a buck a pop if you get more than 20.
by MetalSlime
Sat Mar 14, 2009 8:08 pm
Forum: NES Music
Topic: How I made the music engine for Tetramino 0.37
Replies: 2
Views: 3298

Re: How I made the music engine for Tetramino 0.37

Internal API used by update_sound(): update_music() - Interprets sequence data. update_instrument(X=channel_id) update_sound_effect(X=channel_id) Then it's easy to have sound effects interrupt music properly: First call update_instrument(), then have update_sound_effect() overwrite the duty+volume ...
by MetalSlime
Thu Mar 12, 2009 10:25 pm
Forum: NES Music
Topic: Contra's Music
Replies: 12
Views: 7347

1UP: Yeah. These songs are so energetic -- they're over so quickly, but I'm sure it was a lot of work to create them. HM: We were creating the music in hexadecimal. It goes 1 to 9 then A to F. Yeah, nostalgia...that's what I feel from this. For Contra, we developed a way to create an echo sound wit...
by MetalSlime
Tue Mar 10, 2009 4:04 am
Forum: Newbie Help Center
Topic: Sprite 0 Hit
Replies: 4
Views: 2786

Reading $2002 resets the hi/low latch for $2005 and $2006. For example, when writing a VRAM address to $2006, you write it high byte first, then low byte. If the hi/lo latch is out of sync, you'll end up writing your high byte when the PPU thinks it is getting the low byte. So you read $2002 first t...
by MetalSlime
Fri Feb 27, 2009 10:18 pm
Forum: Newbie Help Center
Topic: Newbie Alert /w Questions
Replies: 5
Views: 2682

Even if your goal isn't to make your own game, grabbing a NES programming tutorial or two and working through them can really get you up to speed on the basics of how the NES works and how the CPU talks to the other parts. You'll learn how to find the RESET code, how to read joypads, how to communic...
by MetalSlime
Tue Feb 24, 2009 11:45 pm
Forum: NES Music
Topic: NSF of Battle Kid's soundtrack (linked elsewhere)
Replies: 17
Views: 13787

I like the teleport room theme the best.
by MetalSlime
Sun Feb 22, 2009 6:13 pm
Forum: Newbie Help Center
Topic: NTSC/PAL music engine(s)
Replies: 16
Views: 6570

For this reason it's good to have a tempo that's easily adjustable. And in NTSC songs you'll want to make it so the tempo is not at max speed (at max 5/6 of max speed so you can convert it to PAL). I'm not quite sure what you're doing for tempo, but I have a system where I specify one byte as the t...
by MetalSlime
Sat Feb 21, 2009 5:04 am
Forum: NES Music
Topic: suspended reanimation
Replies: 3
Views: 3887

I'm not normally a fan of love songs, but this one was great!
by MetalSlime
Mon Feb 16, 2009 4:19 am
Forum: NES Music
Topic: Square Wave Notes
Replies: 37
Views: 20930

I'm glad you found it so useful :) . Even enough to print it out! That makes me happy to know I made something worth printing on actual paper. Yes, well worth printing out! I keep it in my backpack right next to blargg's APU reference :) So how off were the values? Did they vary from more than to l...
by MetalSlime
Mon Feb 16, 2009 12:10 am
Forum: NES Music
Topic: Square Wave Notes
Replies: 37
Views: 20930

Nice. Thanks a lot for making these tables Celius! No problem. Like I said, I decided to make them because I wanted to look at them as references, but I thought the NESDev community might make some use out of them. Glad I was right :) . Turns out to be useful in more ways than one. I was tracing th...
by MetalSlime
Wed Feb 11, 2009 5:34 am
Forum: NES Music
Topic: Square Wave Notes
Replies: 37
Views: 20930

Nice. Thanks a lot for making these tables Celius!