fpc/compiler/i8086/n8086inl.pas

81 lines
2.1 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by Florian Klaempfl
Generate i8086 inline nodes
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
unit n8086inl;
{$i fpcdefs.inc}
interface
uses
nx86inl,node;
type
{ ti8086inlinenode }
ti8086inlinenode = class(tx86inlinenode)
function typecheck_seg: tnode; override;
function first_seg: tnode; override;
procedure second_seg; override;
end;
implementation
uses
ninl,
systems,
globtype,globals,
cutils,verbose,
symconst,
defutil,
aasmbase,aasmtai,aasmdata,aasmcpu,
symtype,symdef,
cgbase,pass_2,
cpuinfo,cpubase,paramgr,
nbas,ncon,ncal,ncnv,nld,ncgutil,
tgobj,
cga,cgutils,cgx86,cgobj,hlcgobj,
htypechk;
function ti8086inlinenode.typecheck_seg: tnode;
begin
result := nil;
resultdef:=u16inttype;
end;
function ti8086inlinenode.first_seg: tnode;
begin
expectloc:=LOC_REGISTER;
result:=nil;
end;
procedure ti8086inlinenode.second_seg;
begin
location_reset(location,LOC_REGISTER,OS_16);
location.register:=cg.getintregister(current_asmdata.CurrAsmList,OS_16);
current_asmdata.CurrAsmList.Concat(Taicpu.op_reg_reg(A_MOV,S_W,NR_DS,location.register));
end;
begin
cinlinenode:=ti8086inlinenode;
end.