paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-18 15:09:20 +02:00
Code Issues Packages Projects Releases Wiki Activity

* updated processor limit section

Browse Source 
* added CPUM68020 define
This commit is contained in:
carl 2002-09-21 14:37:56 +00:00
parent b77f751161
commit d580d60f81
1 changed files with 15 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
docs/prog.tex
View File

@ -150,7 +150,7 @@ This has as a consequence that any additional actions that are done by
\subsection{\var{\$C} or \var{\$ASSERTIONS} : Assertion support} \subsection{\var{\$C} or \var{\$ASSERTIONS} : Assertion support}
The \var{\{\$ASSERTION\}} switch determines if assert statements are The \var{\{\$ASSERTIONS\}} switch determines if assert statements are
compiled into the binary or not. If the switch is on, the statement compiled into the binary or not. If the switch is on, the statement
\begin{verbatim} \begin{verbatim}
Assert(BooleanExpression,AssertMessage); Assert(BooleanExpression,AssertMessage);
@ -2780,18 +2780,24 @@ as passing a byte value parameter to the stack).
\subsection{Processor limitations} \section{Processor limitations}
Certain processors have limitations on the size of the parameters Certain processors have limitations on the size of the parameters
which can be passed to routine. This is shown in \seet{CPUStackLimits}. and local variables in routines. This is shown in \seet{CPULimits}.
\begin{FPCltable}{ll}{Maximum parameter sizes for processors}{CPUStackLimits} \begin{FPCltable}{lll}{Maximum limits for processors}{CPULimits}
\hline \hline
Processor & Limit (in Bytes) \\ \hline Processor & Parameters & Local variables \\ \hline
Intel 80x86 & 64K \\ Intel 80x86 (all) & 64K & No limit\\
Motorola 680x0 & 32K \\ \hline Motorola 68020 (default) & 32K & No limit\\
Motorola 68000 & 32K & 32K \\ \hline
\end{FPCltable} \end{FPCltable}
Furthermore, the m68k compiler, in \var{68000} mode, limits the
size of data elements to 32K (arrays, records, objects, etc.).
This restriction does not exist in \var{68020} mode.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Local variables % Local variables
%\section{Local variables} %\section{Local variables}
@ -6763,8 +6769,9 @@ starting from \fpc version 1.0.5.
Define & When defined? \\ \hline Define & When defined? \\ \hline
CPU86 & \fpc target is an Intel 80x86 or compatible.\\ CPU86 & \fpc target is an Intel 80x86 or compatible.\\
CPU87 & \fpc target is an Intel 80x86 or compatible.\\ CPU87 & \fpc target is an Intel 80x86 or compatible.\\
CPUI386 & \fpc target is an Intel 80x86 or compatible.\\ CPUI386 & \fpc target is an Intel 80386 or later.\\
CPU68k & \fpc target is a Motorola 680x0 or compatible.\\ CPU68k & \fpc target is a Motorola 680x0 or compatible.\\
CPUM68020 & \fpc target is a Motorola 68020 or later.\\
CPU68 & \fpc target is a Motorola 680x0 or compatible.\\ CPU68 & \fpc target is a Motorola 680x0 or compatible.\\
CPUSPARC & \fpc target is a SPARC v7 or compatible.\\ CPUSPARC & \fpc target is a SPARC v7 or compatible.\\
CPUALPHA & \fpc target is an Alpha AXP or compatible.\\ CPUALPHA & \fpc target is an Alpha AXP or compatible.\\