High Level Assembler - Opcodes overview, Extension Set B3

The table below lists all documented opcodes in extension set B3 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 B3 - Floating Point

All instructions in this table are four bytes in length. The first byte always has a value of X'B3', the second byte designates the exact instruction.

B3 _0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F
0_ LPEBR LNEBR LTEBR LCEBR LDEBR LXDBR LXEBR MXDBR KEBR CEBR AEBR SEBR MDEBR DEBR MAEBR MSEBR
1_ LPDBR LNDBR LTDBR LCDBR SQEBR SQDBR SQXBR MEEBR KDBR CDBR ADBR SDBR MDBR DDBR MADBR MSDBR
2_         LDER LXDR LXER               MAER MSER
3_             SQXR MEER MAYLR MYLR MAYR MYR MAYHR MYHR MADR MSDR
4_ LPXBR LNXBR LTXBR LCXBR LEDBR
LEDBRA
LDXBR
LDXBRA
LEXBR
LEXBRA
FIXBR
FIXBRA
KXBR CXBR AXBR SXBR MXBR DXBR    
5_ TBEDR TBDR   DIEBR       FIEBR
FIEBRA
THDER THDR   DIDBR       FIDBR
FIDBRA
6_ LPXR LNXR LTXR LCXR   LXR LEXR FIXR   CXR            
7_ LPDFR LNDFR CPSDR LCDFR LZER LZDR LZXR FIER               FIDR
8_         SFPC SFASR             EFPC      
9_ CELFBR CDLFBR CXLFBR   CEFBR
CEFBRA
CDFBR
CDFBRA
CXFBR
CXFBRA
  CFEBR
CFEBRA
CFDBR
CFDBRA
CFXBR
CFXBRA
  CLFEBR CLFDBR CLFXBR  
A_ CELGBR CDLGBR CXLGBR   CEGBR
CEGBRA
CDGBR
CDGBRA
CXGBR
CXGBRA
  CGEBR
CGEBRA
CGDBR
CGDBRA
CGXBR
CGXBRA
  CLGEBR CLGDBR CLGXBR  
B_         CEFR CDFR CXFR   CFER CFDR CFXR          
C_   LDGR     CEGR CDGR CXGR   CGER CGDR CGXR     LGDR    
D_ MDTR
MDTRA
DDTR
DDTRA
ADTR
ADTRA
SDTR
SDTRA
LDETR LEDTR LTDTR FIDTR MXTR
MXTRA
DXTR
DXTRA
AXTR
AXTRA
SXTR
SXTRA
LXDTR LDXTR LTXTR FIXTR
E_ KDTR CGDTR
CGDTRA
CUDTR CSDTR CDTR EEDTR   ESDTR KXTR CGXTR
CGXTRA
CUXTR CSXTR CXTR EEXTR   ESXTR
F_   CDGTR
CDGTRA
CDUTR CDSTR CEDTR QADTR IEDTR RRDTR   CXGTR
CXGTRA
CXUTR CXSTR CEXTR QAXTR IEXTR RRXTR

 

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