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Эх сурвалжийг харах

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Károly Balogh 21 жил өмнө
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1 өөрчлөгдсөн 0 нэмэгдсэн , 70 устгасан
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rtl/morphos/notes.txt

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-
-{ $Id$ }
-
-Notes about MorphOS version of Free Pascal:
-
-Stack:
-========================================================================
-
-Under MorphOS, the default stack is set to 256 kB. Stack size can be set 
-directly by the programmer with the compiler switch (-Cs), or with the 
-{$MEMORY} directive. The memory area for the stack is dynamically 
-allocated on program startup, so if you set this value too high, in low 
-memory situations your program may exit immediately on startup without 
-any further notice.
-
-
-Syscalls:
-========================================================================
-
-Free Pascal currently supports ABox-style calls for MorphOS. Using 
-additional hand-written assembly is not needed to call any ABox library
-function. However, you must declare every function you're going to use 
-by the following way:
-
-Var 
-  my_LibBase: Pointer;
-
-function my_LibCall(param1: longint location 'd0',
-                    param2: longint location 'd1'): LongInt; 
-         SysCall my_LibBase 1234;
-
-Where my_LibBase is the library base returned by exec's OpenLibrary() 
-call, and 1234 is the call  offset. Please note that offset values in 
-Free Pascal must be specified as positive values, and not negative as 
-shown in MorphOS SDK.
- 
-The value after location can be any 68k registers from d0-d7/a0-a6. Note 
-that a7 and sp cannot be used. Register names are not case sensitive.
-In SysCalls you must specify location for every arguments explicity.
-
-MOST IMPORTANT: You must open libraries explicitly _BEFORE_ using any 
-functions from it, because the compiler will not do it for you. Don't 
-forget to close libraries before you exit. 
-
-Before declaring a SysCall function, please check the units provided
-with FPC, the function you want to use might already be declared in one
-of the units, and ready to use.
-
-
-Alignment:
-========================================================================
-
-Record elements are aligned to DWORD (4 bytes) under MorphOS. Use 
-{$PACKRECORDS 2} if you need word aligned structures. For byte
-aligned records, use packed record.
-
-
-Thanks:
-========================================================================
-
-MorphOS port of Free Pascal Compiler was possible, because Genesi 
-S.a.r.l. <www.genesi.lu> provided a free Pegasos II/G4 machine to do 
-the developments on it. 
-
-{
-  $Log$
-  Revision 1.1  2004-06-06 18:32:50  karoly
-    * initial revision
-
-}