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[/] [amber/] [trunk/] [hw/] [vlog/] [amber23/] [a23_ram_register_bank.v] - Rev 82

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82 Fixed overflag bug, ldmia user regs bug and status_bits_mode set on non-ececuting command bug csantifort 3527d 09h /amber/trunk/hw/vlog/amber23/a23_ram_register_bank.v
73 The patch introduces a new configuration option `A23_RAM_REGISTER_BANK,
which controls instantiation of Amber 23 register bank.
If the option is set, a ram-based variant of the register bank is instantiated.
It can be useful in low-end FPGA designs, where flipflops and muxes are costly.

Altera Cyclone III resource utilization:
- flipflop-based register bank: 1583 combinationals + 856 registers
- ram-based register bank: 268 combinationals + 156 registers

Contributed by Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
csantifort 4213d 15h /amber/trunk/hw/vlog/amber23/a23_ram_register_bank.v

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