CPS1/1.5 at 48MHz SDRAM
Happy new year and please, run the update script (update_all).
Two weeks ago, the 2021-01-01 18:39:15 +0000 UTC View Post
JOTEGO posts
SF Alpha with QSound, SF2 Mix and 128MB Poll
This week we are going to get some love from arcade hackers.
First, we have the SF Alpha for CPS1.5 project. Born in our Discord channel, this is a version combinin...
2020-12-18 17:19:12 +0000 UTC View PostCPS 1.5 Public Release
CPS1.5 core is ready for public exposure now. Changes from the beta:
-The core is available from JTBIN now. Or you can use the update script.
-QSound is clear now. No...
New SDRAM Controller & Core Updates
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Arcade systems have many memory chips working at the same time. Whereas a computer system of the same age will have all devices built around a RAM memory, arcade games had no single central memory. Each subsystem had a...
2020-12-04 17:37:47 +0000 UTC View PostContra & Street Fighter Public Releases
Although I wanted to wait for a perfect K007121 implementation before releasing any Konami title to the wild, I think Contra is in reasonable shape. There is still a bug related to barrel position but, as of today...
2020-11-27 19:57:57 +0000 UTC View PostQSound! (CPS1.5 beta 2)
It's taken about 6 weeks of development but the DSP16A chip is now part of our FPGA family. This is the heart of QSound. Yes, we now have QSound, the sound system of CPS2, ready.
So here it is the second beta release of CPS 1.5, introducing ...
2020-11-20 16:31:00 +0000 UTC View PostCPS 1.5 First Beta
FILES ATTACHED
ESPAÑOL ABAJO
You've been hearing me talking about CPS1.5/2 for ages. Well, it's not complete but I want to share a beta so you see that it is coming together step by step.
This beta features all ...
2020-10-23 09:30:02 +0000 UTC View PostLabyrinth Runner + Higemaru Contest Winner
This week I bring you a new game running on Konami hardware: Labyrinth Runner, aka Trick Trap. This is a fantasy game, tough but with a nice...
2020-10-09 15:08:39 +0000 UTC View PostTrick Trap/Labyrinth Runner Beta Files
Find the beta files attached.
2020-10-09 15:07:09 +0000 UTC View PostHigemaru Competition & News
ManuFerHi has made a new case for his SiDi FPGA platform (a MiST derivative) and he told me he wants to give one away. I was thinking to do a little contest... Let's decide it wi...
2020-10-02 16:50:07 +0000 UTC View PostHigemaru!
QSound is still going to take a few weeks. So I was looking for a core I could get together in a single day to share with you guys today. I had several options and finally decided on this little title: 2020-09-25 13:07:59 +0000 UTC View Post
Side Arms (Public Release)
After a beta period of one month and no bugs reported, I am releasing Side Arms to the general public. The files are in JTBIN as usual and if you use MiSTer you can use the update_all script to get Side Arms updates from now on.
The week has...
2020-09-18 18:08:49 +0000 UTC View PostStickers!
This week I have been delivering updates to existing cores (Bionic Commando, CPS1, 1942 and Vulgus). So I'd like to take the chance of not having any major release to send you some stickers for the 2020-09-11 17:09:27 +0000 UTC View Post
Stickers!
This week I have been delivering updates to existing cores (Bionic Commando, CPS1, 1942 and Vulgus). So I'd like to take the chance of not having any major release to send you some stickers for the 2020-09-11 17:08:28 +0000 UTC View Post
Street Fighter 1 Beta
SEE FILES ATTACHED
English
This game is quite something! The PCB has three layers and almost no custom chips. It is not easy to power it up because of the sheer ammount of chips on it. Although it foll...
2020-09-04 14:56:36 +0000 UTC View PostMissing bits
I'd like to discuss a technical topic this week: missing elements in emulators and, well, some FPGA cores. Let's use the palette memory of Side Arms for our case study.
Side Arms uses a regular RAM chip to store colour palette values. T...
Side Arms (beta) + Bubble Bobble/Tokio Public Release
As usual, busy week with too much to talk about but let me be brief
-First, I'm making the TAITO core (Bubble Bobble and Tokio games) public. It still has the problem with the bubbles but I think it is related to the M6801 CPU core for which...
2020-08-14 16:05:32 +0000 UTC View Post
Trojan! (Public Release)
Get the files either through the MiSTer update-all script or attached to this post. Source...
2020-08-07 10:26:11 +0000 UTC View PostTokio - Scramble Formation & Sticker Album!
TOKIO/Scramble Formation files here.
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Although I'm spending most of my time on QSound, I'd like to release some titles in the meantime...
2020-07-31 13:11:09 +0000 UTC View PostTokio - Scramble Formation Files
The same RBF is used for Bubble Bobble and Tokio. Please find the files attached. Not all MRA files work yet:
-Bubble Bobble: some bootlegs will fail.
-Tokio: original game will fail. Use the bootleg.
2020-07-31 13:10:51 +0000 UTC View PostWork In Progress: Q-Sound
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This has been my first week working on Q-Sound. CAPCOM abandoned the YM2151 FM chip for the last few CPS titles and started using a PCM-based solution. PCM is the main sound source used in NeoGeo titles too, although the Neo...
2020-07-17 14:59:46 +0000 UTC View PostCombat School! (aka Boot Camp)
FIND FILES ATTACHED -MISTER, MIST, SIDI-
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I'm sorry for being one week late. This was meant to be a special release for the 4th of July but last week was very busy and couldn't finish it. So here it is ...
2020-07-10 16:04:28 +0000 UTC View PostMiSTer Case Winner
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As you know, Antonio Villena offered a MiSTer case for us. Today, through an 2020-07-03 15:44:31 +0000 UTC View Post
Bubble Bobble 2nd Beta
FILES ATTACHED TO THIS POST
Then there was music and wonderful flowers... Yes, we finally have music for Bubble Bobble. I have written a Yamaha OPL1 core based on the be...
2020-06-26 08:02:05 +0000 UTC View PostADSR and Yamaha Cost Saving
This has been the FM week. I have fixed some NeoGeo sound issues, which have been released on MiSTer today and continued work on the YM3526 OPL sound chip. Let me talk about FM sound a bit.
NeoGeo, Megadrive...
2020-06-19 15:30:01 +0000 UTC View PostBubble Bobble 1st Beta
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It is the beginning of a fantastic story... Yes, your favourite bubble spitting dinosaurs come to the FPGA world. And they move better than ever. Files attached!
This was a request from one of the patron directors and ...
2020-06-12 15:54:26 +0000 UTC View PostReporting Issues
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What is the best way of getting the attention of a core author -not just me- to get an issue effectively solved? That's github issues.
For problems on my arcade cores, please go to 2020-06-08 08:56:12 +0000 UTC View Post
News and Raffle
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Antonio Villena has donated a MiSTer case kit to hold a raffle among my patrons. His case has ...
2020-06-05 07:53:04 +0000 UTC View PostContra (Gryzor) Beta - MiST(er) and SiDi
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I'm very happy to bring this week the classic Contra from Konami (files attached). As a child I only knew the Amstrad CPC version except for a night out with my parents when I could just see the arcade game ...
2020-05-29 16:01:01 +0000 UTC View Post