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page_11.pas
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Pascal/Delphi Source File
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1992-12-29
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1KB
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61 lines
unit page_11;
interface
uses crt, dos, ifpglobl, ifpcomon;
procedure page11;
implementation
procedure page11;
var
temp, temp1, envseg, envlen, envused: word;
foundit, endfound: boolean;
begin
caption2('Program name');
Writeln(ParamStr(0));
{PC Magazine, Vol 8, no. 20 (11/28/89), pg 309, from Barry Simon}
temp:=MemW[PrefixSeg:$16];
foundit:=false;
while not foundit do
begin
temp1:=MemW[temp:$16];
if (temp1 = 0) or (temp1 = temp) then
foundit:=true
else
temp:=temp1
end;
envseg:=MemW[temp:$2C];
if (envseg = 0) or ((osminor > 19) and (osminor < 30)) then
envseg:=temp + MemW[temp-1:3] + 1;
envlen:=MemW[envseg - 1:3] * 16;
envused:=0;
endfound:=false;
while not endfound do
if MemW[envseg:envused] = 0 then
endfound:=true
else
Inc(envused);
Inc(envused, 2);
caption2('Environment');
Writeln;
caption3('Segment');
Write(hex(envseg, 4));
caption3('Size');
Write(envlen:4);
caption3('Used');
Write(envused:4);
caption3('Free');
Writeln((envlen - envused):4);
caption2('Variables');
window(3, 7, twidth, tlength - 2);
for i:=1 to envcount do begin
pause2;
if endit then
Exit;
writeln(envstr(i))
end
end;
end.