Re: 6510 CPU extensions

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Hi!,


Gideon Zweijtzer wrote:

> Last weekend I implemented an extra feature to the 6510 FPGA. It is now
> possible to connect the 6510 board to the PC by means of a serial cable. A
> simple UART inside the CPU (that runs at a fixed bitrate of approx. 115200)
> gives access to the CPU-bus by means of a simple protocol. This hardware
> protocol-block is capable of generating internal DMA cycles. In other words,
> it is now possible to look in the C-64's memory or write into the C-64's
> memory while the C-64 is running.

In other words, you made the first in-circuit emulator for the C64,
right? ;-)

BTW: what's your opinion, should it be possible to modify your design
for emulating a 8501 CPU (the heart of C16 / C116 / Plus/4)?


L.

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