# blip the MMU and wait for it to complete
comb += valid.eq(1) # start "pulse"
comb += l_in.valid.eq(blip) # start
- comb += l_in.mtspr.eq(1) # mtspr mode
+ comb += l_in.mtspr.eq(0) # mfspr!=mtspr
comb += l_in.sprn.eq(spr) # which SPR
comb += l_in.rs.eq(a_i) # incoming operand (RS)
comb += o.data.eq(l_out.sprval) # SPR from MMU