NokiMo
JOTEGO

JOTEGO

patreon


JOTEGO posts

GunSmoke Core Beta MiST(er)

(español abajo 日本語は下記)

I know Commando is good, but pardon me, GunSmoke is better! I really love the music of this game and the scenery. Technically, it is a bit more advanced th...

View Post

Poll: one or two cores for 1942/Vulgus

I am pretty much done with GunSmoke and I have moved to Vulgus. This game runs on almost the same board as 1942. 

I could make the two games run on a single core...

View Post

Why not a single core for all CAPCOM pre-CPS games?

As I said in twitter, all pre-CPS CAPCOM are so similar we could call them CPS0. However, this i...

View Post

Commando Public Release MiST(er)

UPDATE: attached zip files now fix the key remap issue in MiSTer. There were also some graphic glitches and gameplay errors that seemed to be caused by a low speed...

View Post

Commando Pause Screen

I am adding the pause sceen to Commando before the public release. Please check out the video and let me know if there is something wrong with your name, or if you think you should be in the list b...

View Post

Exploring C64 SID Schematics

The Commodore 64 SID chip is something it should already be done perfectly.  There are schematics for the two SID chips. What else would you need?

Well,...

View Post

Popeye Sprite Overlapping

(español abajo)

You probably have noticed that on Popeye when two sprites get close to each other, there are black boxes hiding the second sprite. This looks like a glitch, ...

View Post

August Work Plan

(español abajo)

-Work on Commodore 64 SID chip
-Update CAPCOM cores   
 1. Sound issue on G&G second level
 2. Sprite alignment
 ...

View Post

Popeye Release Party!

(español abajo)

Popeye core is finally ready and we are celebrating it with SmokeMonster! Tomorrow night (10 PM eastern USA time) he will show the core on 2019-08-02 10:01:39 +0000 UTC View Post

Popeye Core Update

(español abajo)

I spent several hours this weekend on advancing the Popeye core. It went from no sprites at all, to pretty much working. I discovered that the ROM set we all use in MAME has ...

View Post

Boards from Andrew Received

Fresh news. Remember how Andrew had offered a loan of his Double Dragon PCB? The board finally arrived today in outstanding shape. Very nicely packaged and luckily, no custom tax this time.

...

View Post

Commando Core (BETA) Release

I am happy to announce you that all +$3 patrons will receive a download link to the Commando core for both MiST and MiSTer in the next few minutes.

I am also...

View Post

Arcade PCBs from Japan

The outcome from the poll about which board to buy was to get Double Dragon. However, Andrew<...

View Post

New Core: Commando

(español abajo)

As I am travelling and I cannot use the FPGA right now I went back to looking at schematics. I started reading the Commando schematics and found that the vi...

View Post

To buy or not to buy

I am travelling this week and next week in Japan. I have located a Street Fighter 1 board in a shop View Post

Popeye Sprite Hardware

(español abajo)

Popeye has an unusual sprite generator. The CPU writes the sprite information (which tile, which colour palette and where in screen) in RAM. Once per frame a...

View Post

1942 Logo: Emulation vs Arcade/FPGA

Not many people noticed, certainly Sorgelig did, but the CAPCOM logo at the boot up screen of 1942 is different in MiSTer and MAME. MAME version shows two different boxes moving, whereas MiST(er) v...

View Post

Popeye Update

I am sorry I am running late with the beta release but I'm happy to announce that I made a critical step forward this week:

Popeye has a lot of encryption and obfuscation on the board. It is ...

View Post

Improved Simulation Flow

I actually had scheduled yesterday as the release date for the beta Popeye core but I got stuck with a problem in the DMA circuit. I thought it would be nice to be able to simulate...

View Post

Research Work

I was asked to publish a bit about how I develop the cores. Today I will talk about a small topic: the horizontal pixel count of Popeye.

All video systems need to count pixel...

View Post

Popeye Graphics Explained (2)

Following on this post, let me explain further how the graphics hardware rendering the background worked.  

View Post

Items bought thanks to you!

(Español abajo)

Since I started with Patreon I have received a lot of support from you, my patrons. This has been a great incentive to work harder and also with greater enjoyment. But with t...

View Post

Popeye Core

For the last week I couldn’t an image at all first, and then I could only get a display full of zeros. I have finally got real images from the core.

There seem to be a number of issues. But...

View Post

Popeye Graphics Explained (1)

(español abajo)

Popeye is a great example of single-screen games. Nowadays we are used to exploring giant worlds but Popeye reminds us that a good game design needs no more than one screen. ...

View Post

Popeye Release Schedule

 I have resumed my work on the Popeye arcade core.  This is the schedule I have for it:

* 30th May: paid post to identify supporters of this core, including patrons of the pause scr...

View Post

1943 Public Release: MiSTer

Sorry for the long wait. The public version of 1943 for MiSTer is finally here. Thanks a lot to all patrons. This is the first version for Avatars in the pause screen. I think they are really cute!...

View Post

Update on the Status of 1943 for MiSTer

About 10 days ago I released 1943 for MiST, but I know most of you want the MiSTer version. However, the port didn't go as expected, why?

MiST FPGA can work well with different circuits opera...

View Post

1943 Public Release (Part 1)

Sorry for the delay. The preparation of the release files has been harder than expected. I develop everything on MiST and I run trials without sound for faster compilation. When I added sound to ma...

View Post

1943 Pause Screen

Last weekend I completed the 1943 core pause screen with patrons on $10+ tiers. For the first time, the pause screen includes avatars of $20+ patrons. It has been very interesting ...

View Post

Real Audio Tape on 8-bit CPU cores

I have written a module which once added to the 8-bit CPU cores (Spectrum, Amstrad, Commodore, Atari...) will enable direct tape connection to the MiSTer board. I mean, an actual t...

View Post