High Level Assembler - Opcodes overview, Floating Point 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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