High Level Assembler - Opcodes overview, Extension Set ED

The table below lists all documented opcodes in extension set ED for IBM mainframe processors. Each opcode links to a text section with some additional info on the pertinent opcode.

Opcode Assignments.

Remark:
Please note that the creation of descriptions for all individual instructions is an ongoing process. As yet no such descriptions have been created for the opcodes on this page.

Extension Set ED - Floating Point

All instructions in this table are six bytes in length. The first byte always has a value of X'ED', the second byte designates the exact instruction.

ED _0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F
0_         LDEB LXDB LXEB MXDB KEB CEB AEB SEB MDEB DEB MAEB MSEB
1_ TCEB TCDB TCXB   SQEB SQDB   MEEB KDB CDB ADB SDB MDB DDB MADB MSDB
2_         LDE LXD LXE               MAE MSE
3_         SQE SQD   MEE MAYL MYL MAY MY MAYH MYH MAD MSD
4_ SLDT SRDT             SLXT SRXT            
5_ TDCET TDGET     TDCDT TDGDT     TDCXT TDGXT            
6_         LEY LDY STEY STDY                
7_                                
8_                                
9_                                
A_                 CZDT CZXT CDZT CXZT        
B_                                
C_                                
D_                                
E_                                
F_                                

 

This site is a member of WebRing.
You are invited to browse the list of mainframe-loving sites.
Running
    Tyrannosaurus Rex Dinos are not dead. They are alive and well and living in data centers all around you. They speak in tongues and work strange magics with computers. Beware the dino! And just in case you're waiting for the final demise of these dino's: remember that dinos ruled the world for 155-million years!
Dinos and other anachronisms
[ Join Now | Ring Hub | Random | << Prev | Next >> ]
 

Below you find the logo of our sponsor and logos of the web-standards that this page adheres to.