Decimal  Overflow  (OF)   Exponent  Underflow   (U)   The  destination  field  is  too  small  to  contain  the  result  The  result  characteristic  is  less  than  zero  in  floating-  
field in decimal operations. point addition, subtraction, multiplication, or division.
The operation is completed by ignoring the over-The operation is completed by making the result offlow   information.  The  interruption  may  be  masked  by  the  operation  a  true  zero.  The  interruption  may  be  
psw bit 37. masked by psw bit 38.
The interruption-length code is 3. The instruction-length code is 1 or 2.
NAME MNEMONIC TYPEEXCEPTIONS   CODE   NAME  MNEMONIC  TYPE  EXCEPTIONS  CODE   Add  Decimal  AP   SS   T,C  P,A,   D,  DF  FA  Add  Normalized  Subtract   Decimal  SP   SS   T,C  P,A,   D,  DF  FB  (Long)  NADR  RRF,C  S,U,E,LS   2A  
Zero and AddZAP   SS   T,C  P,A,   D,  DF  F8  Add  Normalized  
( Long) NAD RXF,CA,S,U,E,LS   6A  
Decimal [)ivide(OK)   Add  Normalized  
The quotient exceeds the specified data field.(Short)   NAER  RRF,C  S,U,E,LS   3A  
The operation is suppressed.
Add Normalized
(Short)   NAE  RXF,C  A,S,U,E,LS   7A  
The instruction-length code is 3.
Divide (Long) NDDR RRFS,U,E,FK   2D  
NAME MNEMONIC TYPEEXCEPTIONS   CODE   Divide  (Long)  NDD  RXF  A,S,U,E,FK   6D  
DivideDecimal   DP   SS   T  P,A,S,D,   DK  FD  Divide  (Short)   NDER  RRF  S,U,E,FK   3D  
Divide(Short)   NDE  RXF  A,S,U,E,FK   7D  
Exponent Overflow (E) Multiply (Long) NMDR RRFS,U,E   2C  
The result characteristic exceeds 127 in floating-point
Multiply (Long) NMD RXFA,S,U,E   6C  
addition, subtraction, multiplication, or division.
Multiply(Short)   NMER  RRF  S,U,E   3C  
Multiply(Short)   NME  RXF  A,S,U,E   7C  
The operation is terminated.Subtract   Norm-  
The instruction-length code is 1 or 2. alizcd (Long)NSDR   RRF,C  S,U,E,LS   2B  
NAME MNEMONIC TYPE EXCEPTIONSCODE   Subtract   Norm-  
Add Normalized
alized (Long)NSD   RXF,C  A,S,U,E,LS   6B  
(Long) NADR RRF,CS,U,E,LS   2A  Subtract   Norm-  
Add Normalized
alized(Short)   NSER   RRF,C  S,U,E,LS   3B  
(Long) NAD RXF,CA,S,U,E,LS   6A  Subtract   Norm-  
Add Normalized
alizcd(Short)   NSE   RXF,C  A,S,U,E,LS   7B  
(Short)   NAER  RRF,C  S,U,E,LS   3A  
Add Normalized Significance (LS)
(Short)   NAE  RXF,C  A,S,U,E,LS   7A  
The result of a floating-point addition or subtraction
AddUnnorm-   alized  (Long)  AWR  RRF,C  S,   E,LS   2E  
has an all-zero fraction.
Add UnnOIm-The operation is completed. The interruption may
alized (Long) AW RXF,CA,S,   E,LS   6E  
be masked by psw bit 39. The manner in which the
Add Unnorm-
alized(Short)   AUR   RRF,C  S,   E,LS   3E  
operation is completed is determined by the mask bit.
AddUnnorm-   The  instruction-length  code  is  1  or  2.  
alized(Short)   AU   RXF,C  A,S,   E,LS   7E  
NAME MNEMONIC TYPEEXCEPTIONS   CODE   Divide  (Long)  NDDR  RRF  S,U,E,FK   2D  
Add Normalized
Divide (Long) NDD RXFA,S,U,E,FK   6D  
( Long) NADR RRF,CS,U,E,LS   2A  
Divide(Short)   NDER  RRF  S,U,E,FK   3D  
Add Normalized
Divide(Short)   NDE  RXF  A,S,U,E,FK   7D  (Long)  NAD  RXF,C  A,S,U,E,LS   6A  
Multiply (Long) NMDR RRFS,U,E   2C  Add  Normalized  
Multiply (Long) NMD RXFA,S,U,E   6C  (Short)   NAER  RRF,C  S,U,E,LS   3A  
Multiply(Short)   NMER  RRF  S,U,E   3C  Add  Normalized  
Multiply(Short)   NME  RXF  A,S,U,E   7C  (  Short)   NAE  RXF,C  A,S,U,E,LS   7A  Subtract   Norm-  Add  Unnorm-  
alized (Long)NSDR   RRF,C  S,U,E,LS   2B  
alizcd (Long) AWR RRF,CS,   E,LS   2E  Subtract   Norm-  
Add Unnonn-
alizcd (Long)NSD   RXF,C  A,S,U,E,LS   6B  
alized (Long) AW RXF,CA,S,   E,LS   6E  Subtract   Norm-  
Add Unnonn-
alized(Short)   NSER   RRF,C  S,U,E,LS   3B  
alizcd(Short)   AUR   RRF,C  S,   E,LS   3E  Subtract   Norm-  
Add Unnorm-
alizcd(Short)   NSE   RXF,C  A,S,U,E,LS   7B  
alizcd(Short)   AU   RXF,C  A,S,   E,LS   7E  Subtract   U   nnorm-  Subtract   Norm-  
alized (Long)SWR   RRF,C  S,   E,LS   2F  alizcd  (Long)  NSDR   RRF,C  S,U,E,LS   2B  Subtract   Unnorm-  Subtract   Norm-  
alized (Long)SW   RXF,C  A,S,   E,LS   6F  alizcd  (Long)  NSD   RXF,C  A,S,U,E,LS   6D   Subtract   Un   norm-  Subtract   Norm-  
alized(Short)   SUR   RRF,C  S,   E,LS   3F  alizcd  (Short)   NSER   RRF,C  S,U,E,LS   3B  Subtract   Unnorm-  Subtract   Norm-  
alized(Short)   SU   RXF,C  A,S,   E,LS   7F  aHzcd  (Short)   NSE   RXF,C  A,S,U,E,LS   7B  
152
field in decimal operations. point addition, subtraction, multiplication, or division.
The operation is completed by ignoring the over-The operation is completed by making the result of
psw bit 37. masked by psw bit 38.
The interruption-length code is 3. The instruction-length code is 1 or 2.
NAME MNEMONIC TYPE
Zero and Add
( Long) NAD RXF,C
Decimal [)ivide
The quotient exceeds the specified data field.
The operation is suppressed.
Add Normalized
(
The instruction-length code is 3.
Divide (Long) NDDR RRF
NAME MNEMONIC TYPE
Divide
Divide
Exponent Overflow (E) Multiply (Long) NMDR RRF
The result characteristic exceeds 127 in floating-point
Multiply (Long) NMD RXF
addition, subtraction, multiplication, or division.
Multiply
Multiply
The operation is terminated.
The instruction-length code is 1 or 2. alizcd (Long)
NAME MNEMONIC TYPE EXCEPTIONS
Add Normalized
alized (Long)
(Long) NADR RRF,C
Add Normalized
alized
(Long) NAD RXF,C
Add Normalized
alizcd
(
Add Normalized Significance (LS)
(
The result of a floating-point addition or subtraction
Add
has an all-zero fraction.
Add UnnOIm-The operation is completed. The interruption may
alized (Long) AW RXF,C
be masked by psw bit 39. The manner in which the
Add Unnorm-
alized
operation is completed is determined by the mask bit.
Add
alized
NAME MNEMONIC TYPE
Add Normalized
Divide (Long) NDD RXF
( Long) NADR RRF,C
Divide
Add Normalized
Divide
Multiply (Long) NMDR RRF
Multiply (Long) NMD RXF
Multiply
Multiply
alized (Long)
alizcd (Long) AWR RRF,C
Add Unnonn-
alizcd (Long)
alized (Long) AW RXF,C
Add Unnonn-
alized
alizcd
Add Unnorm-
alizcd
alizcd
alized (Long)
alized (Long)
alized
alized
152
 
             
            






































































































































































