JOTEGO

I read this week that on a certain CPS0 game it was possible to select the start level if the test mode DIP switch was set after the game had started. The level was selected by using the price DIP switches. So far, I had always set these switches to 1 credit 1 coin. I went back to the core files and

The 1943 object (sprite) engine was implemented in a custom chip so it wasn't possible to look inside. However, the pin names are similar to those used in other CAPCOM games so it was pretty much obvious how to hook it up to an already working object engine. Ghosts'n Goblins is designed for a total

(español abajo) GunSmoke and Vulgus cores are ready. These are two boards I bought in Japan thanks to the support you give me. These games have been possible because you were there! Thank you so much :-) 128 MB SDRAM module support for all cores, plus many bug fixes in SFX sound which affects to all

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! Remember that you have to press both fire buttons to perform a loop. Please find the file attached. I

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 operating inside it at different clock speeds. The MiST SDRAM chip is also relatively close to the FPGA and that m

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 make the release files I ran into memory problems because of the pause screen avatars. I spent two days t

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 to convert the images to the arcade format. Remember that the pause screen is rendered using the arcade GPU. I basically

When you have to store the image for a sprite, you usually want to save memory space. If possible too, you want to make your sprite driver software simple too. Arcades like Ghosts'n Goblins or Contra (Gryzor) achieves this by having two bits associated with each sprite on the screen: one for horizon

(español abajo) When I went shopping for boards last Saturday, the seller had my children play a pandora box. My eldest kid found 1943 and played it. He has been playing a lot to the MiST version during the core development. On the way back home he told me: Dad, I like more your 1943 game. When I as

Here it is, resurrected from the PCB era, the 1943 arcade from CAPCOM. This is an awesome game with a lot of technical improvements over the prequel 1942. This has been a bit easier to do than the previous two games as I am getting more used to CAPCOM technology of the time. This beta version has tw

1943 core will feature rom load directly from the OSD menu. There are several versions of the game and it was worth doing it. Bruno Silva prepared the ROM files for all different sets and saved me a ton of time. Thanks a lot! On the sad news side, there won’t be a core release for February. This cor

(español abajo) I have finished analyzing 1943 schematics and I have started writting the new core. This game looks much more advanced than 1942 but if you were to check only the CPUs it is the same: two Z80 CPUs. However, there are things they have done to the GPU (which is made of discrete parts,