Search found 100 matches

by hackfresh
Fri May 20, 2016 6:51 pm
Forum: NESdev
Topic: Finished conversion of MMC3 game to MMC5
Replies: 9
Views: 6117

Re: Finished conversion of MMC3 game to MMC5

Interesting...what emulators support it for testing?

Converting the IRQ values would be a bit trickier since its a CPU cycle counter but I'll give it a look at some point.
by hackfresh
Fri May 20, 2016 5:04 pm
Forum: NESdev
Topic: Finished conversion of MMC3 game to MMC5
Replies: 9
Views: 6117

Re: Finished conversion of MMC3 game to MMC5

Partly just to see if I could. It didn't take long( a few days). The main benefits for TSB would be 1. Added SRAM (For additional stats, you could have an editable team). Currently the SRAM has just a few free bytes of space. (Most of it is used to save season stats, the rest is for temporary graphi...
by hackfresh
Fri May 20, 2016 3:56 pm
Forum: NESdev
Topic: Finished conversion of MMC3 game to MMC5
Replies: 9
Views: 6117

Finished conversion of MMC3 game to MMC5

Just wanted to say thanks. Between the wiki and various posts I was able to convert Tecmo Super Bowl from MMC3 to MMC5. The trickiest things were 1. Getting the CHR bank switching correct. I thought I needed to switch back and forth between 1KB and 2KB mode depending on if sprites or BG's were being...
by hackfresh
Sat Apr 30, 2016 10:59 am
Forum: NESdev
Topic: Push arguments to stack
Replies: 23
Views: 6568

Re: Push arguments to stack

As long as you don't get close to running out of stack space its a reasonable way to do it. What I am describing below only applies if the function you are jumping to has multiple possible return address. Usually it will or it wouldn't be a function. Push return address - 1 onto stack Push variables...
by hackfresh
Sun Apr 17, 2016 11:35 pm
Forum: Homebrew Projects
Topic: Demptronic NFL Football
Replies: 135
Views: 136093

Re: Demptronic NFL Football

Will you have enough sprites left for the players with the amount of sprites the heavy rain and snow take up?
by hackfresh
Mon Apr 11, 2016 3:04 pm
Forum: Homebrew Projects
Topic: Lizard
Replies: 189
Views: 100969

Re: Lizard

You're right it wasn't a great question. And I can imagine the iterative testing would definitely take a good chunk of the time.
by hackfresh
Mon Apr 11, 2016 11:38 am
Forum: Homebrew Projects
Topic: Lizard
Replies: 189
Views: 100969

Re: Lizard

Just curious. How long (roughly) did the c++ standalone implementation take vs the assembly version.
by hackfresh
Sun Mar 27, 2016 2:33 am
Forum: Homebrew Projects
Topic: Lizard
Replies: 189
Views: 100969

Re: Lizard

The trick of updating the tint color is a great idea for performance profiling...I used it on a well known game to get an idea of how much "frame time was left".

I ended up using greyscale because it was the easiest to notice for the game I was looking at
by hackfresh
Sat Mar 05, 2016 10:15 am
Forum: NESemdev
Topic: FCEUX Lagging?!
Replies: 12
Views: 10435

Re: FCEUX Lagging?!

Maybe its a graphics driver/card issue?

My old tiny netbook that has windows 7 runs fcuex just fine as does my 64 bit desktop running windows 7.
by hackfresh
Fri Feb 26, 2016 11:58 am
Forum: NESdev
Topic: Interview with Tecmo Super Bowl creators...
Replies: 0
Views: 3806

Interview with Tecmo Super Bowl creators...

Not sure if this is the right section but one of the members of our tecmo super bol cumminity manged to track down and do a high level interview with Tecmo Super Bowl's lead programmer Akihiko Shimoji (lead programmer) and Shinchiro Tomie (director). http://louraguse.com/2016/02/the-fathers-of-tecmo...
by hackfresh
Mon Feb 08, 2016 9:22 pm
Forum: General Stuff
Topic: NES games have terrible play control / or my LCD TV lags
Replies: 30
Views: 5817

Re: NES games have terrible play control

dougeff wrote:Actual NES.

I have 2 CRT TVs in storage. I don't use them because they have lousy image quality.
Might be worth trying said games on your CRT's if possible to see if the timing feels just as hard. Many LCD TV's will lag pretty badly when upscaling the NES video output.
by hackfresh
Mon Feb 08, 2016 6:48 pm
Forum: General Stuff
Topic: NES games have terrible play control / or my LCD TV lags
Replies: 30
Views: 5817

Re: NES games have terrible play control

I was playing on a new LCD flatscreen. My only complaint is that my TV noticably sharpens the picture. Do you think my TV has some kind of image latency? No wonder....most likely the upscaling and/or image processing is adding quite a bit of latency making timing sensitive games very hard. This lat...
by hackfresh
Tue Dec 22, 2015 6:05 pm
Forum: General Stuff
Topic: What The Heck Is a Qubit?
Replies: 49
Views: 13836

Re: What The Heck Is a Qubit?

I'm sorry, but I've been hearing about some "top-secret", area 51 type stuff called "quantum computing" and how it's (according to some dumb YouTube video) "100 million times faster" than traditional computing, and they always say that it's because of some magical thing called a "qubit". Now, I'm n...
by hackfresh
Fri Dec 18, 2015 12:04 pm
Forum: Homebrew Projects
Topic: Demptronic NFL Football
Replies: 135
Views: 136093

Re: Demptronic NFL Football

I assume that the actual code for a football game wouldn't be extremely complex, so you could probably fit it in 128KB or less (probably less!), which would leave you with 384KB of a 512KB ROM where to store compressed graphics. With a good compression scheme and without the redundant graphics, tho...