370TO486 Download

	370TO486 Run IBM Mainframe Assembler on an Intel 486. OS/2, Win95/98, NT
Download 370to486	The IBM Mainframe assembler syntax, general language and ease of coding is considerably easier to learn than the Intel, Microsoft or Borland Intel Assemblers. Not only can Legacy programs be run on a Personal Computer, but this assembler can be used to write very fast programs for the PC, and later, they can be transferred to a mainframe for real speed. It also makes an excellent development tool for developing mainframe programs in an extremely cost effective manner, and allows programs to be developed off-site and off-line. Facilities to allow OS/2 or Win32 "C" and PL/I programs to call the converted code are also available.
*Why Convert Mainframe Code to a Personal Computer?*	"Downsizing" or "Rightsizing" are commonly used phrases to describe moving large systems to smaller systems, and sometimes smaller systems to larger systems. In order to make use of the millions of lines of IBM Mainframe Assembler 370 code on 486 style computers, the 370TO486 language converter may be used. Unlike some other systems, 370TO486 converts code directly to 486 code. The created code runs at full speed on a 486 computer and is very much faster than 370 interpreters. Naturally, taking code from one machine architecture to another requires changes, but these are relatively minor, considering the enormous advantages to be gained.
*Conversely, Why Write Mainframe Code on a Personal Computer?*	Writing IBM Mainframe Assembler on a Personal Computer is often far easier than developing on a mainframe. Some of the reasons are: Better debugging facilities. Faster turnaround. Because of the excellent design of the IBM 370 Assembler, many programmers will find that programs can be developed for an Intel 486 computer far more easily than using either the 486 Native assembler, or C. Programmers can be trained in IBM 370 Assembler on inexpensive office or home computers. Hopefully, programmers from the "old school" will be enticed to write small, tight, useful programs for Personal Computers to overcome the current batch of bloated, slow, buggy and overgrown software. Do we really need a 64Meg computer to run a Word Processor and access to the Internet? I think not... In the early days, 256K was more than adequate for most programs.
*Prerequisites*	370TO486 requires one of the following: OS/2 Borland's OS/2 C Compiler (which comes with an Assembler) or IBM's ALP (Assembler Language Processor) and some version of IBM's C. Win32 A Borland C compiler, and a Borland Assembler. Version 5 Support for Masm and Microsoft or IBM C is coming... DOS Borland 3.1 can be used to make small 64K programs. Additionally, it encourages full symbolic debugging when used with Borland's Turbo Debugger. Note that the C compilers are used to provide many of the support functions, such as File Input/Output facilities.

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