IBM 5170 Technical Reference page 332

CALL
=
Call
Direct Within Segment
11101000
I
disp-Iow
I
disp-Iow
Indirect Within Se ment
11111111
10011010
Protected Mode Only (Direct Intersegment)
• Via call gate to same privilege level
• Via call gate to different privilege level, no parameters
• Via call gate to different privilege level, x parameters
• Via TSS
• Via task gate.
Indirect Interse ment
11111111 mod011
rim
(mod",11)
Protected Mode
Only
(Indirect Intersegment)
• Via call gate to same privilege level
• Via call gate to different privilege level, no parameters
• Via call gate to different privilege level, x parameters
• Via TSS
• Via task gate.
JMP
=
Unconditional Jump
Short/Long
11101011
I
disp-Iow
Direct within Segment
11101001
I
disp=low
I
disp-high
6-14 Instruction Set