OP_DISPATCH_FF.S revision a8b91c52fd8a90b784835dfe1f8898035266c4dd
1%verify "executed"
2    srl     t0, rINST, 8                # t0<- extended opcode
3    addu    t0, t0, 256                 # add offset for extended opcodes
4    GOTO_OPCODE(t0)                     # go to proper extended handler
5