Rabbit 3000A Instruction
Instruction Reference Manual 107
Description
Loads the location in memory whose address is 1 less than the data held in SP with the data in the System/
User Mode Register (SU) then decrements SP.
This instruction is privileged and is implemented in the Rabbit 3000A.
PUSH SU
Opcode Instruction Clocks Operation
ED 66 PUSH SU 9 (2,2,2,3) (SP-1)=SU;SP=SP-1
Flags ALTD I/O
S Z L/V C F R SP S D
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