Rabbit 3000A Instruction
Instruction Reference Manual 147
Description
The SURES instruction rotates the contents of the System/User Mode Register SU 2 bits to the right, replac-
ing the current processor mode with the previous mode.
This instruction is privileged and only implemented for the Rabbit 3000A.
SURES
Opcode Instruction Clocks Operation
ED 7D SURES 4 (2,2) SU = {SU[1:0],SU[7:2]}
Flags ALTD I/O
S Z L/V C F R SP S D
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