Programming, Vhdl, Fpga, Cpu.
CtrlFetch. Let’s quickly reconsider the main branch instructions with this new approach: CPSE Rd,Rr: (1) perform Rd-Rr in the ALU, (2) depending on ALU.Z, perform PC increment by 1 (already loaded, do nothing), 2 (add 1) or 3 (add 2, to skip 2-word instructions) RJMP k: Add K to the pre-incremented