IBM 5170 Technical Reference page 333

Indirect Within Se ment
11111111
11101010
~
Protected Mode Only (Direct Intersegment)
• Via call gate to same privilege level
• Via TSS
• Via task gate.
Indirect Intersegment
11111111
I
mod101
rim
(mod
~
11)
Protected Mode Only (Indirect Intersegment)
• Via call gate to same privilege level
• Via TSS
• Via task gate.
RET
=
Return from Call
Within Segment
11000011
11000010
Intersegment
11001011
Intersegment Adding Immediate to SP
11001010
I
data-low
I
data-high
Protected Mode Only (RET)
• To Different Privilege Level
Instruction Set 6-15