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 Tiny-RTL v1.0 - Компактная Замена SYSTEM.TPU   Solar Designer 30.05.1995

TinyRTL v.1.0 for TP7.0. Replaces the SYSTEM.TPU unit.
Features:
 Converts Turbo Pascal into a structured object-oriented ASM!
 Only 96 bytes overhead ...
 Full source code ...



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TinyRTL V1.0 for TP 7.0 ------------------------- What is TinyRTL ----------------- TinyRTL is a System unit replacement. It allows you to create tiny EXE files when using Turbo Pascal. The overhead is only 96 bytes. The Pascal programs using TinyRTL look a little bit like Assembler ones. So, you have to know ASM in order to use TinyRTL. However, you still can use all the Pascal structures, such as loops, high-level procedures, and even objects (probably future versions will have a better support for them). How to install ---------------- Simply compile SYSTEM.PAS with TP 7.0 to make SYSTEM.TPU. If you're using a different version of TP, use SYSTEM.TPS from its RTL, not the one included here. After you got SYSTEM.TPU, copy it to the directory with the program you want to compile and either turn off the Options|Environment| Startup...|Load TURBO.TPL option, or create a copy of TURBO.TPL and modify it with TPUMOVER. Restrictions -------------- When using TinyRTL in your programs you can't use all the features that the standard RTL has. Here's a list of removed features: - All System unit procedures, such as WriteLn - All runtime error checks (you have to use {$R-,S-,Q-,I-} mode) - Return codes (ignore the runtime error messages that IDE shows) - Floating-point data types (you have to use {$N-,E-} mode) - Heap manager (allocate memory using DOS calls) - String handling routines (including the + operation) + Some of the LongInt operations: *, /, shr, shl (they still work with Integer) + Large variable assignments (that involved a procedure call) + Virtual methods The topics marked with '+' I'm going to implement in the future version of TinyRTL (I'll try to implement them w/o increasing the overhead size). Also, note that you can't compile programs with debug information for standalone debugging. However, you can use the integrated debugger, or you can compile your program with the standard RTL for debugging (and use TinyRTL after the bugs are fixed). Don't forget t