decode 66c8000000 "[ENTER_2 IMM4:0x0]"
decode 66c8000f00 "[ENTER_2 IMM4:0xf00]"
decode 66c8000001 "[ENTER_2 IMM4:0x10000]"
decode32 c8000000 "[ENTER_4 IMM4:0x0]"
decode32 c8000f00 "[ENTER_4 IMM4:0xf00]"
decode32 c8000001 "[ENTER_4 IMM4:0x10000]"
decode64 c8000000 "[ENTER_8 IMM4:0x0]"
decode64 c8000f00 "[ENTER_8 IMM4:0xf00]"
decode64 c8000001 "[ENTER_8 IMM4:0x10000]"