dos_compilers/Borland Turbo Pascal v55/DOC/SYSTEM.DOC
2024-07-02 06:49:04 -07:00

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{*******************************************************}
{ }
{ Turbo Pascal Runtime Library Version 5.5 }
{ System Unit }
{ }
{ Copyright (C) 1987, 1989 Borland International }
{ }
{*******************************************************}
unit System;
interface
const
OvrCodeList: Word = 0; { Overlay code segment list }
OvrHeapSize: Word = 0; { Initial overlay buffer size }
OvrDebugPtr: Pointer = nil; { Overlay debugger hook }
OvrHeapOrg: Word = 0; { Overlay buffer origin }
OvrHeapPtr: Word = 0; { Overlay buffer pointer }
OvrHeapEnd: Word = 0; { Overlay buffer end }
OvrLoadList: Word = 0; { Loaded overlays list }
OvrDosHandle: Word = 0; { Overlay DOS handle }
OvrEmsHandle: Word = 0; { Overlay EMS handle }
HeapOrg: Pointer = nil; { Heap origin }
HeapPtr: Pointer = nil; { Heap pointer }
FreePtr: Pointer = nil; { Free list pointer }
FreeMin: Word = 0; { Minimum free list size }
HeapError: Pointer = nil; { Heap error function }
ExitProc: Pointer = nil; { Exit procedure }
ExitCode: Integer = 0; { Exit code }
ErrorAddr: Pointer = nil; { Runtime error address }
PrefixSeg: Word = 0; { Program segment prefix }
StackLimit: Word = 0; { Stack pointer low limit }
InOutRes: Integer = 0; { I/O result buffer }
RandSeed: Longint = 0; { Random seed }
FileMode: Byte = 2; { File open mode }
Test8087: Byte = 0; { 8087 test result }
var
Input: Text; { Input standard file }
Output: Text; { Output standard file }
SaveInt00: Pointer; { Saved interrupt $00 }
SaveInt02: Pointer; { Saved interrupt $02 }
SaveInt1B: Pointer; { Saved interrupt $1B }
SaveInt23: Pointer; { Saved interrupt $23 }
SaveInt24: Pointer; { Saved interrupt $24 }
SaveInt34: Pointer; { Saved interrupt $34 }
SaveInt35: Pointer; { Saved interrupt $35 }
SaveInt36: Pointer; { Saved interrupt $36 }
SaveInt37: Pointer; { Saved interrupt $37 }
SaveInt38: Pointer; { Saved interrupt $38 }
SaveInt39: Pointer; { Saved interrupt $39 }
SaveInt3A: Pointer; { Saved interrupt $3A }
SaveInt3B: Pointer; { Saved interrupt $3B }
SaveInt3C: Pointer; { Saved interrupt $3C }
SaveInt3D: Pointer; { Saved interrupt $3D }
SaveInt3E: Pointer; { Saved interrupt $3E }
SaveInt3F: Pointer; { Saved interrupt $3F }
SaveInt75: Pointer; { Saved interrupt $75 }