On 1/14/2013 2:04 AM, chausenbo@googlemail.com wrote:
Just a question: Could a ZipChip clone based on the Carte Blanche exceed significantly the 8Mhz of the ZipChip?
You bet. I did run the soft 6502 at 25 MHz. There is also enough fast memory on the CB to shadow the whole A2 memory space. The problem is that to write data back to the main on-board memory or the memory space on the slot cards it will still take slowing down to 1 MHz.
Of course the CB has more than enough gates to clone the whole A2 with all the peripherals: video and "disk" from MMC/SD is already done. But then it will be just a faster second computer rather than an accelerator. Kind of like running an emulator on a modern PC.
-Alex.