IBM 2030 Manual Of Instruction page 341

No
Figure 6-10.
6-30
Floating
Poinrt~_<:::
Fixed Point
Start
01=RX
10=R5
11=55
Store R-Reg Data in
1st
Operand
Read From 2nd Operand
Decrement T -Register
Address
Ignore Overflow
Micro Program
Program
Interrupt
Regenerate Move
R--D