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KEYBOARD.DEF
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1992-01-29
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DEFINITION MODULE Keyboard;
(* (C) Copyright 1987 Fitted Software Tools. All rights reserved. *)
(* This module provides an interface to the BIOS keyboard routines.
*)
CONST
Break = 80X;
ShiftTab = 81X;
AltQ = 82X;
AltW = 83X;
AltE = 84X;
AltR = 85X;
AltT = 86X;
AltY = 87X;
AltU = 88X;
AltI = 89X;
AltO = 8AX;
AltP = 8BX;
AltA = 90X;
AltS = 91X;
AltD = 92X;
AltF = 93X;
AltG = 94X;
AltH = 95X;
AltJ = 96X;
AltK = 97X;
AltL = 98X;
AltZ = 09EX;
AltX = 09FX;
AltC = 0A0X;
AltV = 0A1X;
AltB = 0A2X;
AltN = 0A3X;
AltM = 0A4X;
F1 = 0ADX;
F2 = 0AEX;
F3 = 0AFX;
F4 = 0B0X;
F5 = 0B1X;
F6 = 0B2X;
F7 = 0B3X;
F8 = 0B4X;
F9 = 0B5X;
F10 = 0B6X;
Home = 0B9X;
Up = 0BAX;
PgUp = 0BBX;
Left = 0BDX;
Right = 0BFX;
End = 0C1X;
Down = 0C2X;
PgDn = 0C3X;
Ins = 0C4X;
Del = 0C5X;
SF1 = 0C6X;
SF2 = 0C7X;
SF3 = 0C8X;
SF4 = 0C9X;
SF5 = 0CAX;
SF6 = 0CBX;
SF7 = 0CCX;
SF8 = 0CDX;
SF9 = 0CEX;
SF10 = 0CFX;
CF1 = 0D0X;
CF2 = 0D1X;
CF3 = 0D2X;
CF4 = 0D3X;
CF5 = 0D4X;
CF6 = 0D5X;
CF7 = 0D6X;
CF8 = 0D7X;
CF9 = 0D8X;
CF10 = 0D9X;
AF1 = 0DAX;
AF2 = 0DBX;
AF3 = 0DCX;
AF4 = 0DDX;
AF5 = 0DEX;
AF6 = 0DFX;
AF7 = 0E0X;
AF8 = 0E1X;
AF9 = 0E2X;
AF10 = 0E3X;
CtrlPrtSc = 0E4X;
CtrlLeft = 0E5X;
CtrlRight = 0E6X;
CtrlEnd = 0E7X;
CtrlPgDn = 0E8X;
CtrlHome = 0E9X;
Alt1 = 0EAX;
Alt2 = 0EBX;
Alt3 = 0ECX;
Alt4 = 0EDX;
Alt5 = 0EEX;
Alt6 = 0EFX;
Alt7 = 0F0X;
Alt8 = 0F1X;
Alt9 = 0F2X;
Alt0 = 0F3X;
AltMinus = 0F4X;
AltEquals = 0F5X;
CtrlPgUp = 0F6X;
TYPE ShiftKeys = (rightShift, leftShift, Ctrl, Alt, ScrollLock, NumLock );
ShiftStatus = SET OF ShiftKeys;
PROCEDURE KeyPressed() :BOOLEAN;
(*
Is there a character waiting?
*)
PROCEDURE GetKey( VAR k :CHAR );
(*
Like BASIC INKEY.
Returns either a character or a 0C and the extended character code
on the next call.
*)
PROCEDURE GetKeyCh( VAR ch :CHAR );
(*
Extended character codes are remapped into the upper 128 ascii codes
as by the constants declared above.
*)
PROCEDURE GetShiftStatus( VAR st :ShiftStatus );
(*
Gets the status of shift/control keys.
*)
END Keyboard.