program undump;
{
	undump is a program to take the output from dump
	and put it into binary format.
}

{$I 'binary.pas'}
{$I 'ihex.pas'}

type
FilePath = String[12];

Procedure DumpIHex(iname, oname : FilePath);
var
        inf  : Text;
        outf : Text;
        line : LnStr;
        rec  : IRec;
begin
        if iname <> '' then
        begin
            Assign(inf, iname);
            Reset(inf);
        end else inf := Input;

        if oname <> '' then
        begin
            Assign(outf, oname);
            Rewrite(outf);
        end else outf := Output;

        while not EOF(inf) do
        begin
            ReadLn(inf, line);
            if (Line <> '') then
            begin
                        rec  := RdDumpLn(line);
                         WrRec(rec, outf);
            end;
        end;

        Close(inf);
        Writeln(outf, IRecEOF);
        Flush(outf);
        Close(outf);
end;

procedure PrnHelp;
begin
    WriteLn('UNDUMP V1.0');
    WriteLn('Converts DUMP.COM output to Intel Hex format');
    WriteLn('');
    WriteLn('Usage:');
    WriteLn('    UNDUMP.COM INFILE OUTFILE');
    Halt;
end;

var
    i, argc : Integer;
    rec     : irec;
    opts    : record
        ShoVer  : Boolean;
        InFile  : FilePath;
        OutFile : FilePath;
    end;
    param : String[255];
begin
    opts.ShoVer := False;
    opts.InFile := '';
    opts.OutFile := '';
    argc := ParamCount;

    for i := 1 to ParamCount do
    begin
        if ParamStr(i) = '-h' or ParamStr(i) = 'H' then
        begin
            opts.ShoVer := True;
            argc := argc - 1;
        end;
    end;

    if opts.ShoVer then PrnHelp();

    i := ParamCount - argc + 1;

    if i = 1 then opts.OutFile := ParamStr(ParamCount);
    if i > 1 then
    begin
        InFile := ParamStr(i);
        OutFile := ParamStr(i+1);
    end;

    DumpIHex(InFile, OutFile);
end.