The UM348x family of sound generating devices is currently unemulated mainly due to a lack of understanding of the chip internal rom structu...

Sega's FD1089 security module reverse engineering The FD1089 module variants from Hitachi / SEGA were fabricated in a plastic case, o...

Sega's System 16 was a new arcade platform introduced in 1986 as a successor to the earlier 8 bit Z80 designs Sega System 1 and Sys...

The three chips pictured below found in the BC slot1 board contain key software at risk of preservation unless we act today. IC3 is ...

Do you own any Capcom CPS1 games with a dead or faulty graphics chip? UTsource is holding onto a large new original stock of B21 chips aka ...

Dear all, after some lengthy testing we are happy to release full details on the security programing of the Hitachi FD1089 / FD1094 cpus use...