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Added Sar,Ror and Rol for bitwise operations.

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This commit is contained in:
Raymond 2010-05-11 02:26:47 +02:00
parent b10ecdc9ff
commit db2c2d3b72
2 changed files with 19 additions and 3 deletions
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18
Units/MMLAddon/PSInc/Wrappers/math.inc
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@ -164,12 +164,26 @@ begin
result := ln(x);
end;
function ps_inttohex(value : integer) : string;
function ps_inttohex(value : integer) : string; extdecl;
begin
result := IntToHex(value,1);
end;
function ps_hextoint(hex : string) : integer;
function ps_hextoint(hex : string) : integer;extdecl;
begin
result := StrToInt('$' + hex);
end;
function ps_sar(AValue : longint; shift : byte) : longint; extdecl;
begin;
Shift:=Shift and 31;
Result:=longint(dword(dword(dword(AValue) shr Shift) or (dword(longint(dword(0-dword(dword(AValue) shr 31)) and dword(longint(0-(ord(Shift<>0){ and 1}))))) shl (32-Shift))));
end;
function ps_ror(num : longword; shift : byte) : LongWord; extdecl;
begin
result := RorDWord(num,shift);
end;
function ps_rol(num : longword; shift : byte) : LongWord; extdecl;
begin
result := RolDWord(num,shift);
end;

4
Units/MMLAddon/PSInc/psexportedmethods.inc
View File

@ -73,7 +73,9 @@ AddFunction(@ps_logn,'function logn(base, x : extended): extended;');
AddFunction(@ps_ln,'function ln(x : extended) : extended;');
AddFunction(@ps_inttohex,'function IntToHex(number : integer) : string');
AddFunction(@ps_hextoint,'function HexToInt(Hex : string) : integer');
AddFunction(@ps_sar,'function sar(AValue : longint; shift : byte) : longint;');
AddFunction(@ps_ror,'function ror(num : longword; shift : byte) : LongWord;');
AddFunction(@ps_rol,'function rol(num : longword; shift : byte) : LongWord;');
{window}
SetCurrSection('Window');
AddFunction(@ps_Freeze, 'function Freeze: boolean;');