On Wednesday 25 January 2012 18:58:00 Kevin Buettner wrote: > +/* Return the register address associated with the register specified by > + REGNO. */ > +static unsigned long reg_addr (enum sim_rl78_regnum regno) > +{ > + if (sim_rl78_bank0_r0_regnum <= regno && regno <= > sim_rl78_bank0_r7_regnum) > + return 0xffef8 + (regno - sim_rl78_bank0_r0_regnum); the if statements look funny because the operators are reversed. a more natural (imo) check: if (regno >= sim_rl78_bank0_r0_regnum && regno <= sim_rl78_bank0_r7_regnum) -mike