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Representations of integers ll
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370 systems ADDR arithmetic arithmetic shift array assembly language assembly variable BALR base address base-displacement binary integer binary-coded decimal blank blocksize calling program Chapter character condition code conditional branch consecutive constant contains control section convert copy count-key-data CSECT data block data set DC directive decimal integer deﬁned designated DS directive EBCDIC error example execution external subroutine Figure ﬁle ﬁrst operand ﬂoating-point numbers ﬂoating-point register format Fortran full-word hex digits hexadecimal identiﬁes implied base register ISEQ Load logical record LOOP machine language macro main memory mantissa mask memory address memory location name ﬁeld negative number of bytes opcode opcode operand operand ﬁeld operating system output overﬂow packed-decimal number parameters position PRINT processing replaced representation represented result RR-type SAVE AREA second operand shift sign bit source module speciﬁed statements stored Subtract symbolic address variable symbol word Write