Search found 6 matches
- Mon Aug 02, 2021 7:53 pm
- Forum: SGDK
- Topic: Thousand tiles based maps - "How to" using SGDK?
- Replies: 8
- Views: 12511
Re: Thousand tiles based maps - "How to" using SGDK?
I did this for a project of mine similar to how you described, although it took a long time and a few tricks to get it working at a decent speed. I might be able to put a code sample together some time.
- Tue Jul 06, 2021 4:24 pm
- Forum: Video Display Processor
- Topic: Register 2 VRAM Location Question
- Replies: 2
- Views: 3578
Re: Register 2 VRAM Location Question
The Plane A nametable location is a 16 bit value. Register 02 is an 8 bit register and bit 5 of this register is the top bit of the nametable location, meaning it will turn into bit 15. So in other words it has to be shifted left by 10 bits. Shifting anything left by 10 bits divides it by $400. You ...
- Tue Jun 26, 2018 10:07 pm
- Forum: Video Display Processor
- Topic: How h interrupt register works?
- Replies: 7
- Views: 11570
Re: How h interrupt register works?
Yeah, with the first couple screen of lines you can't do a thing. In my case I just got lucky because I didn't need to.
- Tue Jun 19, 2018 7:55 pm
- Forum: Video Display Processor
- Topic: How h interrupt register works?
- Replies: 7
- Views: 11570
Re: How h interrupt register works?
I spent a long time trying to get this to work myself. I did manage to eventually get my raster effects working, changing the counter during the hblank. I'm not entirely sure why it works though, it was all trial and error. You kind of have to start changing it 2 steps before you want to see the cha...
- Fri Sep 08, 2017 1:24 pm
- Forum: SGDK
- Topic: How use PLAN_WINDOW for sgdk
- Replies: 9
- Views: 7921
Re: How use PLAN_WINDOW for sgdk
That explains it, thanks.
I didn't know that memory sections were set up to overlap by default.
I didn't know that memory sections were set up to overlap by default.
- Fri Sep 08, 2017 1:03 pm
- Forum: SGDK
- Topic: How use PLAN_WINDOW for sgdk
- Replies: 9
- Views: 7921
Re: How use PLAN_WINDOW for sgdk
I found out something interesting with the window plane in SGDK when I was trying to get it to work. I was trying to use the window plane to make a HUD at the bottom of my game screen. I spent an age trying to get it to work, looking through all the examples and tutorials I could find. Tried one thi...