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[/] [zipcpu/] - Rev 205

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Rev Log message Author Age Path
185 Now includes the proper flags for building with ELF executable file support. dgisselq 2779d 10h /zipcpu/
184 Adjusted the illegal instruction option documentation. dgisselq 2779d 10h /zipcpu/
183 Cleaned up the system so that !CYC implies !STB as well. dgisselq 2779d 10h /zipcpu/
182 Bug fix for fast memories. This now works for memories with single cycle
latencies.
dgisselq 2779d 11h /zipcpu/
181 Adjusted the wishbone logic to include our wishbone simplification that if
CYC is ever low, STB must be low as well.
dgisselq 2779d 11h /zipcpu/
180 Cleaned up the stall logic--made it independent of whether or not we are
designed to be alternating or not.
dgisselq 2779d 11h /zipcpu/
179 Lots of changes, most (all?) of them to the non-pipelined core. The resulting
core is now about 100-120 LUTs smaller when not-pipelined, and yet maintains
the pipelined logic when necessary.
dgisselq 2779d 11h /zipcpu/
178 Rewrote the parameter controlled logic to be just that: perameter controller,
rather than depending upon generics. The result reduces our area by a couple
LUTs.
dgisselq 2779d 11h /zipcpu/
177 Fixed the illegal address logic to be more precise. dgisselq 2779d 11h /zipcpu/
176 Switched from distributed to block RAM, and adjusted the logic to help
timing closure. The resulting core will build in designs up to 200MHz in
speed.
dgisselq 2779d 11h /zipcpu/

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