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Super Contra (JTALIENS) beta
Español abajo 日本語は以下 As promised, we will have a long run of Konami compatible cores either based on the Konami CPU or the TMNT video chipset. Super Contra joins the club today as part of the JTALIENS core. The largest difficulty in adding support for this system has been a bug in the CPU implementa
Jun 9, 2023 0 14
YM2151 Accuracy/HDMI Effects
(español abajo) I started on FPGA retro developments with a Yamaha YM2151 module: the most important chip for arcade games. I made hundreds of measurements, and I designed the FPGA counterpart -JT51- to match those measurements. But there were two things I couldn't measure: the noise channel and the
Feb 12, 2021 0 11
Contra & 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, nobody knows the secret of that. We are all waiting on Furrtek's discoveries to solve
Nov 27, 2020 0 11
Contra (Gryzor) Beta - MiST(er) and SiDi
(español abajo) 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 for a few minutes. Couldn't play that night. Amstrad version was very good an
May 29, 2020 0 13