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 Inside TURBO Pascal 6.0 Units   William L. Peavy 18.04.1991

48-страничное описание внутренней структуры TPU модулей в TP6 (engl). Хорошее пособие для тех, кто интересуется восстановлением исходного кода TPU модулей.
It is a 48-pages report describing an internal organization of TP6.0 units. If you want to know what is in a .TPU (unit) file produced by Version 6.0 of Turbo Pascal from Borland International, then this paper is for you. It doesn't explain quite everything since there is no access to secret documents or anything like that and since some of the data in .TPU files just doesn't have enough auxiliary information to make its role clear. However, it is possible to learn a great deal about how Turbo Pascal organizes the information it needs to refer to, and it is also possible to learn just what kind of code the compiler produces.



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----------------------------- INSIDE TURBO PASCAL 6.0 UNITS ----------------------------- by William L. Peavy ----------------- Revised: April 16, 1991 ABSTRACT If you want to know what is in a .TPU (unit) file produced by Version 6.0 of Turbo Pascal from Borland International, then this paper is for you. It doesn't explain quite everything since the I don't have access to secret documents or anything like that and since some of the data in .TPU files just doesn't have enough auxiliary information to make its role clear. However, it is possible to learn a great deal about how Turbo Pascal organizes the information it needs to refer to, and it is also possible to learn just what kind of code the compiler produces. This is the third in a series of reports on the subject of Turbo Pascal Units, the first treating with Turbo Pascal Version 5.0 and the second with Turbo Pascal 5.5. The evolution of these files in the face of changing requirements has been fascinating to behold and deciphering their contents has been challenging to say the least. The programs supplied with this report have been reorganized from their 5.5 style in some ways and many identifiers have been changed. These changes were more for style than for substance. Other changes were dictated by the changes in the organization of the TPU file itself and certain errors in the 5.5 programs have been corrected. In addition, other errors of interpretation have been fixed which has led to some enhanced descriptive capability. Since I have a "real" job which requires my full attention, and since it doesn't involve use of these products in any direct way, I am usually hard-pressed to find the personal time to conduct this research. Consequently, I always refuse to commit to follow-up or even error correction. It would be irresponsible of me to pretend it could be otherwise. Even so, this is a revised report which contains a few error fixes and discusses the newly enhanced program which incorporates these fixes and sports some enhanced capabilities. Files on the Distribution Disk Filename.x Description of Contents ----------- ------------------------------------------------- README.!!! This file (you're reading it now) WHATS.NEW Change History TPU6DOC.TXT Report on Research (48 pages; copy to PRN:) TPU6.EXE The Supplied Program ready to run TPU6.PAS Turbo Pascal Source - The Main Program TPU6AMS.PAS Turbo Pascal Source - Access Methods for .TPU Files TPU6EQU.PAS Turbo Pascal Source - Release-Sensitive Procs TPU6RPT.PAS Turbo Pascal Source - Text File Output Unit TPU6UNA.PAS Turbo Pascal Source - Disassembler Unit TPU6UNA.INC Turbo Pascal Source - Disassembler Tables (included) TPU6UTL.PAS Turbo Pascal Source - High-Level .TPU Analysis Methods License & Restrictions You are free to use this material at your own risk for your own personal and NON-COMMERCIAL ends. You are free to distribute COMPLETE copies of all materials via any means to any recipient provided that no charge is made therefor save a small and nominal fee whose sole purpose is to recover reasonable distribution expenses. You MAY NOT make use of these materials in a commercial manner. No warranties of any kind are made by the author. Should your use or distribution of this material result in damages to you, the damages are yours to bear. The opinions and findings contained in this material are those of the author and of no other person. The Author This work was done by William L. Peavy, Houston Texas as a private research endeavor. I am interested in feedback, suggestions, constructive criticism, and success stories. A few "atta boys" wouldn't hurt either. I can be reached via Compuserve (70042,2310), via the HAL-PC Telecom-1 BBS or via the HAL-PC Telecom-2 BBS.