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The TPF loader was extended to read the z/OS-unique load module file format, then lay out file-resident load modules' sections into memory; meanwhile, assembly language programs remained confined to TPF's segment model, creating an obvious disparity between applications written in assembler and those written in higher level languages (HLL).
SabreTalk is a discontinued dialect of PL/I for the S/360 IBM mainframes running the TPF platform. SabreTalk was developed jointly by American Airlines, Eastern Air Lines and IBM. SabreTalk is known as PL/TPF (Programming Language for TPF). [1] In 1973, Eastern Air Lines' computing division was selling the SabreTalk compiler for US$95,000. [2]
Assembler XF is a mostly compatible upgrade of Assembler F that includes the new System/370 architecture instructions. This version provides a common assembler for OS/VS, DOS/VS and VM systems. Other changes include relaxing restrictions on expressions and macro processing. Assembler XF requires a minimum partition/region size of 64 KB (virtual).
Download QR code; Print/export ... No DOS, TPF or VM utilities are included. History/Common JCL ... Assembler (XF) was the system assembler for OS/VS1 and OS/VS2 ...
All modern IBM mainframe operating systems except z/TPF are descendants of those included in the "System/370 Advanced Functions" announcement – z/TPF is a descendant of ACP, the system which IBM initially developed to support high-volume airline reservations applications.
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The Z390 and zCOBOL is a portable macro assembler and COBOL compiler, linker, and emulator toolkit providing a way to develop, test, and deploy mainframe compatible assembler and COBOL programs using any computer that supports J2SE 1.6.0+ runtime.
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