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GOOD. it's time to do something bigger than just mini-tests. As I'm bad at level design, game design why not making a port of a game or emu. I love computer so maybe a xrick port but already done. It's hard to find information on port or homebrew. All I found is a link at SegaXtreme - Saturn...

Thanks for the information. With the reference file, I can now load data in RAM-L or RAMCART. I use cpu dma by default. I mainly use low ram for stocking compress data and push them to a buffer.

I continued development. I made my own tools to convert and compress the data. phew! Before going any further, I have 2 questions. 1. I tried on emulator to check the resolutions to test the display according to the origins of the console. When I compile in "PAL" with jo-engine, I have a...

Thanks. I didn't check the version ^_^ I coded today the 4 bit sprites with the help of XL2 code. I use my own encoder tool and everything seems working. With the doc, I found information for flipping sprite : sprNoflip | (1 << 4) for Horizontal flip and remove SPdis for using color...

Thanks you so much for this usefull explanations. It's more logical now. I look for the VDP2 debug and I don't see the cycle pattern. I compare Yabause and Kronos (and Yaba Sanshiro too)

Finally after hours of debug with mednafen ^_^ I found my problem. I use the command jo_set_displayed_screens but that's work when using slScrAutoDisp(NBG0ON | NBG1ON | NBG2ON | NBG3ON); So 4 plans with scrolling and sprite. I'm happy. All that remains is to create a game ... I found Mednafen...

Hi. I'm new to Saturn dev but already have coding background. I'm using jo engine. I did some tests to draw BG and Sprite. Thanks to XL2 code, I can draw 4bit sprites. I wish to use 3 Plans of VDP for scrolling Background 1024*512 and one for the HUD. I read the VDP2 doc and push data directly...