ABC80/max80_fw

réplica de https://git.zytor.com/abc80/max80/fw.git/

Autor	SHA1 Mensaxe	Data
H. Peter Anvin	211ec5e0c8 fw: set gp for the IRQ bank too	%!s(int64=3) %!d(string=hai) anos
H. Peter Anvin	cd15d8fd49 picorv32: revamp the Q registers to be a full bank switch	%!s(int64=3) %!d(string=hai) anos
H. Peter Anvin	75980f5efb fw: now working interrupt handling, periodic timer flashing LEDs	%!s(int64=3) %!d(string=hai) anos
H. Peter Anvin	2b261e54f6 fw: add interrupt support; use a linker script	%!s(int64=3) %!d(string=hai) anos