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Use of IBM COBOL was so widespread that Capex Corporation, an independent software vendor, made a post-code generation phase object code optimizer for it. [3] The Capex Optimizer became a quite successful product. [4] Although the IBM COBOL Compiler Family web site [5] only mentions AIX, Linux, and z/OS, IBM still offers COBOL on z/VM and z/VSE.
The 32-bit virtual address comprises a 14-bit segment number and an 18-bit displacement within the segment. The order code is not strictly part of the 2900 architecture. This fact has been exploited to emulate other machines by microcoding their instruction sets. However, in practice, all machines in the 2900 series implement a common order ...
Timeline of COBOL language Year Informal name Official Standard 1960 COBOL-60 — 1961 COBOL-61 — 1963 COBOL-61 Extended — 1965 COBOL-65 — 1968 COBOL-68 ANSI INCITS X3.23-1968 1974 COBOL-74 ANSI INCITS X3.23-1974 1985 COBOL-85 ANSI INCITS X3.23-1985, ISO/IEC 1989:1985 2002 COBOL-2002 ISO/IEC 1989:2002 2014 COBOL-2014 ISO/IEC 1989:2014 2023
Free and open-source software portal; GnuCOBOL (formerly known as OpenCOBOL, and briefly as GNU Cobol) is a free implementation of the COBOL programming language that is part of the GNU project. GnuCOBOL translates the COBOL code into C and then compiles it using the native C compiler. [2]
COBOL uses the syntax WRITE record-name AFTER ADVANCING n Lines., where record-name is the name of the area containing the line and n is the number of lines. Additionally BEFORE ADVANCING can be used or BEFORE|AFTER ADVANCING TOP to skip to the top of a new page. [1]
A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...
BLIS/COBOL is a discontinued operating system that was written in COBOL. It is the only such system to gain reasonably wide acceptance. [citation needed] It was optimised to compile business applications written in COBOL. BLIS was available on a range of Data General Nova and Data General Eclipse 16-bit minicomputers
Various serial peripherals were attached: Printronix bar-coding printers, MICR Readers, IBM ASCII Terminals. Parallel devices were also used for phototypesetting machines, plate makers and Teletype BRPE punch creating Punched tape; all connecting to the IBM integrated DI/DO digital in/out card. The Series/1 was a good work horse for its day and ...