multiple cpu machines

What about an IBM XT with a Big Blue CP/M Card, AND a Trackstar 128 AND a Hydra (MacPlus) board? Wouldn't that give you 4 processors in one machine? One could also run an Amiga with an 8088 Bridge board for dual processors. Or, an Apple IIe, IIgs with a Transwarp card for two processors? Three if it has a Microsoft Softcard... Which makes me think of the Zip Chip and Rocket Chip for the Apple IIe/IIgs series. Did these chips also work in the C64 and other 6502 machines? I remember working with them, but don't have one for either of my IIgs machines... I *DO* have an Orange PC card that will turn a PCI Mac into a PC. But, I don't have the required cable or software for it. So, it's merely a curiosity at this time. That would make a Mac a Dual Processor machine, wouldn't it?