From Intellivision Wiki
|Instruction Name||Move Out Immediate|
|CP1610 Clock Cycles||9|
The Move Out Immediate (MVOI) instruction copies the value in the specified source register to the address contained by the specified address register. Note that this instruction is really just a variant of the Move Out Indirect instruction using R7 as the address register. See the Move Out Indirect documentation for more information.
where: sss indicates the register containing the value to move such that: sss == 000 indicates register R0 sss == 001 indicates register R1 sss == 010 indicates register R2 sss == 011 indicates register R3 sss == 100 indicates register R4 sss == 101 indicates register R5 sss == 110 indicates register R6 sss == 111 indicates register R7