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{
Copyright (c) 1998-2002 by Florian Klaempfl
Generate Z80 assembler for in call 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 nz80cal;
{$i fpcdefs.inc}
interface
uses
ncgcal;
type
tz80callnode = class(tcgcallnode)
protected
procedure pop_parasize(pop_size:longint);override;
end;
implementation
uses
cpubase,
aasmdata,aasmcpu,
ncal,
cgobj;
{*****************************************************************************
TZ80CALLNODE
*****************************************************************************}
procedure tz80callnode.pop_parasize(pop_size:longint);
begin
if pop_size>=2 then
begin
cg.getcpuregister(current_asmdata.CurrAsmList,NR_A);
while pop_size>=2 do
begin
current_asmdata.CurrAsmList.Concat(taicpu.op_reg(A_POP,NR_AF));
dec(pop_size,2);
end;
cg.ungetcpuregister(current_asmdata.CurrAsmList,NR_A);
end;
if pop_size=1 then
current_asmdata.CurrAsmList.Concat(taicpu.op_reg(A_INC,NR_SP));
end;
begin
ccallnode:=tz80callnode;
end.
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