Retro Roundup

The C64 (and other 8 bitters) have tiny RAM chips onboard that can be replaced by Saruman-64. It is not only a drop-in replacement, though, it also fixes one of the oldest hardware issues of a C64: the VSP-bug. The VSP-bug occasionally leads to crashes if programming techniques are used …

If you are a proud owner of a C128, you can now upgrade the RAM your VDC has access to, since Saruman-VDC is available again in the Protovision Shop. …

Our popular prototyping boards are back in store! If you want to design your own cartridge, grab one while they last! Of course, they fit nicely into the cartridge cases we sell. Order yours from the Protovision Shop …

How does a C64 know its processing speed? Through its clock generator. Unfortunately, it sometimes fails. But hey, you can replace it with one of our PAL TOLBs! Tested to be fully compatible and energy efficient. Order yours from the Protovision Shop …

We now offer the TOLB clock generator in both PAL and NTSC variants. If you want to implement a switch into your beloved C64 to toggle between PAL and NTSC modes, you will need one clock generator for each processing speed. Order yours from the TOLB 1.2 NTSC page …