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[/] [zipcpu/] [trunk/] [rtl/] [core/] [prefetch.v] - Rev 63

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63 Simplified bus interactions, and added support for detecting illegal
instructions (i.e. bus errors) in the pipefetch routine.
dgisselq 2529d 00h /zipcpu/trunk/rtl/core/prefetch.v
48 Files added/updated to get Dhrystone benchmark to work. Several fixes
to the CPU in the process, 'cause it wasn't working. Stall-less ALU
ops now work better, to include grabbing the memory result as it comes out
of the memory unit and placing it straight into either ALU or memory unit
for the next instruction.
dgisselq 2548d 18h /zipcpu/trunk/rtl/core/prefetch.v
36 *Lots* of changes to increase processing speed and remove pipeline stalls.

Removed the useless flash cache, replacing it with a proper DMA controller.

"make test" in the main directory now runs a test program in Verilator and
reports on the results.
dgisselq 2561d 03h /zipcpu/trunk/rtl/core/prefetch.v
2 An initial load. No promises of what works or not, but this is where the
project is at.
dgisselq 2616d 19h /zipcpu/trunk/rtl/core/prefetch.v

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