As Albrecht Frenzel wrote: > Regarding ffff: It doesn't make sense to treat this code regularly > as SBRS r31, 7 - the code is officially undefined
See the thread I've been referencing. In the early documentation (around 1997), bit 3 in the opcode had been marked X (don't care). Only later it was required to be 0. Nevertheless, skipping over regions with FFFF after a reset is common practice. -- cheers, Joerg .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-) _______________________________________________ Simulavr-devel mailing list Simulavr-devel@nongnu.org https://lists.nongnu.org/mailman/listinfo/simulavr-devel