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3673f03841
it, instead of using {$calling stdcall} in the go32v2 ports unit
git-svn-id: trunk@39402 -
101 lines
2.1 KiB
PHP
101 lines
2.1 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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and implements some stuff for protected mode programming
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Copyright (c) 1999-2000 by the Free Pascal development team.
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These files adds support for TP styled port accesses
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{$asmmode ATT}
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{ to give easy port access like tp with port[] }
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{$ifdef VER3_0}
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procedure tport.writeport(p : word;data : byte);assembler;stdcall;
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asm
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movw p,%dx
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movb data,%al
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outb %al,%dx
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end;
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function tport.readport(p : word) : byte;assembler;stdcall;
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asm
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movw p,%dx
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inb %dx,%al
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end;
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procedure tportw.writeport(p : word;data : word);assembler;stdcall;
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asm
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movw p,%dx
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movw data,%ax
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outw %ax,%dx
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end;
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function tportw.readport(p : word) : word;assembler;stdcall;
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asm
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movw p,%dx
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inw %dx,%ax
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end;
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procedure tportl.writeport(p : word;data : longint);assembler;stdcall;
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asm
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movw p,%dx
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movl data,%eax
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outl %eax,%dx
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end;
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function tportl.readport(p : word) : longint;assembler;stdcall;
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asm
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movw p,%dx
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inl %dx,%eax
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end;
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{$else VER3_0}
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procedure tport.writeport(p : word;data : byte);inline;
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begin
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fpc_x86_outportb(p,data);
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end;
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function tport.readport(p : word) : byte;inline;
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begin
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readport:=fpc_x86_inportb(p);
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end;
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procedure tportw.writeport(p : word;data : word);inline;
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begin
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fpc_x86_outportw(p,data);
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end;
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function tportw.readport(p : word) : word;inline;
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begin
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readport:=fpc_x86_inportw(p);
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end;
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procedure tportl.writeport(p : word;data : longint);inline;
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begin
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fpc_x86_outportl(p,data);
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end;
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function tportl.readport(p : word) : longint;inline;
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begin
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readport:=fpc_x86_inportl(p);
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end;
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{$endif VER3_0}
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