Search found 10 matches

by evgeny
Sat Jul 25, 2015 2:24 am
Forum: NESdev
Topic: PPU writes causing stack explosion
Replies: 10
Views: 2442

Re: PPU writes causing stack explosion

Vblank period was ended and last PPU writes failure. Try optimize code for PPU writes, or replace code to near starting NMI.
by evgeny
Mon Mar 23, 2015 6:23 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

Do most games use fixed CHR RAM address for the same tile? If they do then this may work. Games use nametables and sprite attributes for static tile address, why something should be shifted? Yes, the same addresses can be downloaded new tiles, but the image data (in hex) will be different and it ca...
by evgeny
Sun Mar 22, 2015 4:21 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

May be use tile number in VRAM (tile adress) + tile graphics data (hex data of graphic tile) for VRAM games?
by evgeny
Sat Mar 21, 2015 4:33 am
Forum: NES Graphics
Topic: YY-CHR glibberish text
Replies: 4
Views: 4063

Re: YY-CHR glibberish text

Need "yychr.ENU" rename to "yychr.HRV" .
by evgeny
Sat Mar 14, 2015 6:03 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

Another idea: add custom parameter. (RAM adress and value) for example: if RAM $0010=1 then draw tile variant 2, else default. Maybe use optional RAM, ROM, VRAM, CHROM adresses for check, then anybody can select use pallete or NameTable or game level or anything else as indicator for individual tile...
by evgeny
Fri Mar 13, 2015 1:28 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

mkwong98, maybe you need to enable replacing tiles and sprites with bigger picture?
For example: 8x8 tile replaced by 8x64, which can owerlap the neighboring repeating tiles.

And sprite limit option needed too.
by evgeny
Thu Jan 22, 2015 12:08 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

mkwong98, thanks.

I was try again record video. Result more productive.
http://www.youtube.com/watch?v=gwORJNKO ... e=youtu.be
by evgeny
Wed Jan 07, 2015 4:40 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

I was not able to properly record video (framerate, etc).
If someone record it, I will be happy.
P.S.
It would be nice to add certain functions to record video in the emulator.
by evgeny
Sat Dec 27, 2014 7:44 am
Forum: NESemdev
Topic: Please try my NES emulator HDNes
Replies: 279
Views: 223255

Re: Please try my NES emulator HDNes

Graphic pack for "Nuts & Milk (J).nes"
Nuts & Milk (J).zip
(436.08 KiB) Downloaded 421 times