Eagle Posted August 13, 2023 Author Share Posted August 13, 2023 6 minutes ago, SainT said: Are you driving HALT from your cart for your new Maria? Or are you just using RAM on the cart for the new Maria functionality? No. Just 32MB ram. But in special mode (bit4 DL) we use 32bit for address ram for Maria. 1 Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 13, 2023 Author Share Posted August 13, 2023 (edited) 7800 MiSTer core for SN cart (4KB banking, sound chip SN76489, ram A8/A9, etc.) is finished. It's unofficial version only for devs. Anyone interested please PM me. 2023-08-13_15-14-48.mp4 Edited August 13, 2023 by Eagle 1 Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 13, 2023 Author Share Posted August 13, 2023 @Defender_2600 quick test on my old tester for 320A Bellow 8 sprites in 320B, each has own 3 colour pallet!!! 😍 4 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 13, 2023 Share Posted August 13, 2023 34 minutes ago, Eagle said: Bellow 8 sprites in 320B, each has own 3 colour pallet!!! Kangaroo on or off? And C1 free from restrictions? Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 13, 2023 Author Share Posted August 13, 2023 Yes Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 13, 2023 Share Posted August 13, 2023 So this works like 160A mode but in high resolution, totally awesome! Will there be a cartridge that will support this enhanced 320B? Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 13, 2023 Author Share Posted August 13, 2023 I have no idea. Will work on MariaECI for AtariXL/XE and probably on MiSTer for 7800 I'm not planning put Maria on SN² cart, but maybe on day I will make SN³ cart 1 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 13, 2023 Share Posted August 13, 2023 4 hours ago, Eagle said: I just spoke with Mat and he will increase LineRam so we can have 8 pallet in 320 modes. For 320C I would like to have P0C1 P1C1 P2C1 P2C1 and P0C3 P1C3 P2C3 P3C3 and.... If I'm interpreting correctly, these new 320C palettes using C1 and C3 are added to the original 320C palettes using C2, so the total colors increase from 8 to 16. And the other palettes (P4, P5, P6, P7) will still be able to use C1 and C3? Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 Yes. We will try to have 6 pallets x4 colours for 320C in Hires extended mode. But no idea what to do with 320D 1 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 MariaECI is so amazing but we really need the SN³ cart for development and visualization on 7800 real hardware! Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 Mat is trying to put SD card and HDMI on SN2 cart but I don’t want it. Next step for SN2 cart is using FPGA for building Display List. So you don’t need worry about scrolling screen horizontal or vertical. 1 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 No additional palettes for 160B mode? 12 colors per palette is still a big plus for some ambitious games. Quote Link to comment Share on other sites More sharing options...
KrunchyTC Posted August 14, 2023 Share Posted August 14, 2023 2 hours ago, Defender_2600 said: MariaECI is so amazing but we really need the SN³ cart for development and visualization on 7800 real hardware! What exactly is MariaECi? Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 It’s like 7800GD but for AtariXL/XE SN2 cart playing in Dual Pokey 🥳 20230814_033306.mp4 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 11 hours ago, KrunchyTC said: What exactly is MariaECi? Reread the last two pages... Quote Link to comment Share on other sites More sharing options...
KrunchyTC Posted August 14, 2023 Share Posted August 14, 2023 (edited) 4 hours ago, Defender_2600 said: Reread the last two pages... Yeah I know lol but I'm an idiot. Is it an enhancement chip? Like an MMC? I don't know what form it's gonna take. Edited August 14, 2023 by KrunchyTC Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 Today we have Yamaha 2612 from Sega Megadrive on Atari 7800 SN² Cart 20230814_201503.mp4 2 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 58 minutes ago, KrunchyTC said: Is it an enhancement chip? Like an MMC? I don't know what form it's gonna take. In short, MariaECI is a FPGA of 7800 MARIA graphics chip that enhances the original graphics performance with more palettes in 320 mode, full transparency, more sprites on screen and much more. It currently runs on Atari 8-bit XL/XE and is planned for 7800 MiSTer. Obviously it is hoped that in the future it will also be available for 7800, perhaps with the SN³ cart. But I'm not the right person to answer these questions. 2 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 1 hour ago, Eagle said: Today we have Yamaha 2612 from Sega Megadrive on Atari 7800 SN² Cart All great and always better. But we also want MariaECI for 7800! It seems a paradox that an improved version of Maria is available for Atari 8-bit XL/XE and not for 7800. 1 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 Of course all your efforts and your SN² Cart are highly appreciated. 1 Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 and YM2151 20230814_222424.mp4 1 Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 17 minutes ago, Eagle said: and YM2151 Double Dragon!! Quote Link to comment Share on other sites More sharing options...
Eagle Posted August 14, 2023 Author Share Posted August 14, 2023 Nope Quote Link to comment Share on other sites More sharing options...
Defender_2600 Posted August 14, 2023 Share Posted August 14, 2023 Yes, I meant that Double Dragon uses YM2151. 1 Quote Link to comment Share on other sites More sharing options...
Bakasama Posted August 14, 2023 Share Posted August 14, 2023 On 8/11/2023 at 11:01 AM, Eagle said: Instead of YM2151 we should use YM2413, but someone decide long time ago to put YM2151 in XM module 🤷♂️ I was there way back when XM was going to have just a Pokey. Somebody argued for adding the YM2151 to the XM. If the issues with YM2151 using another coprosessor were addressed a bit earilier, maybe the XM would use a different soundchip. Quote Link to comment Share on other sites More sharing options...
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