144 lines
4.9 KiB
ObjectPascal
144 lines
4.9 KiB
ObjectPascal
{$keep 'IntegerMath'}
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unit IntegerMath;
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interface
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{********************************************************
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*
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* Integer Math Tool Interface File
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*
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* Other USES Files Needed: Common
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*
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* Other Tool Sets Needed: Tool Locator, Memory Manager
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*
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* Copyright 1987-1990
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* By the Byte Works, Inc.
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* All Rights Reserved
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*
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*********************************************************}
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uses
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Common;
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const
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(* Limits *)
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minLongint = $80000000; (* min negative signed longint *)
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minFrac = $80000000; (* pinned value for neg Frac overflow *)
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minFixed = $80000000; (* pinned value for neg Fixed overflow *)
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minInt = $8000; (* min negative signed integer *)
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maxUInt = $FFFF; (* max positive unsigned integer *)
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maxLongint = $7FFFFFFF; (* max positive signed longint *)
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maxFrac = $7FFFFFFF; (* pinned value for positive Frac overflow *)
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maxFixed = $7FFFFFFF; (* pinned value, positive Fixed overflow *)
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maxULong = $FFFFFFFF; (* max unsigned longint *)
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(* Signed Flag *)
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unsignedFlag = $0000; (* value is not signed *)
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signedFlag = $0001; (* value is signed *)
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type
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extendedValue = array [0..9] of byte;
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extendedValuePtr = ^extendedValue;
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procedure IMBootInit; tool ($0B, $01); (* WARNING: an application should
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NEVER make this call *)
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procedure IMStartUp; tool ($0B, $02);
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procedure IMShutDown; tool ($0B, $03);
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function IMVersion: integer; tool ($0B, $04);
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procedure IMReset; tool ($0B, $05); (* WARNING: an application should
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NEVER make this call *)
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function IMStatus: boolean; tool ($0B, $06);
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function Dec2Int (inputStr: univ cStringPtr; strLength, signedFlag: integer):
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integer; tool ($0B, $28);
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function Dec2Long (inputStr: univ cStringPtr; strLength, signedFlag: integer):
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longint; tool ($0B, $29);
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function Fix2Frac (fixedValue: longint): longint; tool ($0B, $1C);
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function Fix2Long (fixedValue: longint): longint; tool ($0B, $1B);
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procedure Fix2X (fixedValue: longint; var extendedVal: extendedValue);
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tool ($0B, $1E);
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function FixATan2 (input1, input2: longint): longint; tool ($0B, $17);
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function FixDiv (dividend, divisor: longint): longint; tool ($0B, $11);
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function FixMul (multiplicand, multiplier: longint): longint; tool ($0B, $0F);
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function FixRatio (numerator, denominator: integer): longint; tool ($0B, $0E);
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function FixRound (fixedValue: longint): integer; tool ($0B, $13);
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function Frac2Fix (fracValue: longint): longint; tool ($0B, $1D);
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procedure Frac2X (fracValue: longint; var extendedVal: extendedValue);
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tool ($0B, $1F);
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function FracCos (angle: longint): longint; tool ($0B, $15);
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function FracDiv (dividend, divisor: longint): longint; tool ($0B, $12);
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function FracMul (multiplicand, multiplier: longint): longint; tool ($0B, $10);
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function FracSin (angle: longint): longint; tool ($0B, $16);
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function FracSqrt (fracValue: longint): longint; tool ($0B, $14);
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function Hex2Int (inputStr: univ cStringPtr; strLength: integer): integer;
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tool ($0B, $24);
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function Hex2Long (inputStr: univ cStringPtr; strLength: integer): longint;
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tool ($0B, $25);
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function HexIt (value: integer): longint; tool ($0B, $2A);
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function HiWord (longValue: longint): integer; tool ($0B, $18);
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procedure Int2Dec (value: integer; outputStr: univ cStringPtr;
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strLength: integer; signedFlag: boolean); tool ($0B, $26);
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procedure Int2Hex (value: integer; outputStr: univ cStringPtr;
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strLength: integer); tool ($0B, $22);
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procedure Long2Dec (value: longint; outputStr: univ cStringPtr;
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strLength: integer; signedFlag: boolean); tool ($0B, $27);
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function Long2Fix (longValue: longint): longint; tool ($0B, $1A);
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procedure Long2Hex (value: longint; outputStr: univ cStringPtr;
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strLength: integer); tool ($0B, $23);
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(* ACTUALLY RETURNS 2 LONG WORDS: REMAINDER AND QUOTIENT
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function LongDivide (dividend, divisor: longint): 2 longints; tool ($0B, $0D);
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*)
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(* ACTUALLY RETURNS 2 LONG WORDS: MSB AND LSB
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function LongMul (multiplicand, multiplier: longint): 2 longints;
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tool ($0B, $0C);
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*)
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function LoWord (longValue: longint): integer; tool ($0B, $19);
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function Multiply (multiplicand, multiplier: integer): longint; tool ($0B, $09);
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(* SDivide returns 2 words: the lo word = quotient; hi word = remainder *)
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function SDivide (dividend, divisor: integer): longint; tool ($0B, $0A);
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(* UDivide returns 2 words: the lo word = quotient; hi word = remainder *)
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function UDivide (dividend, divisor: integer): longint; tool ($0B, $0B);
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function X2Fix (var extendedVal: extendedValue): longint; tool ($0B, $20);
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function X2Frac (var extendedVal: extendedValue): longint; tool ($0B, $21);
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implementation
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end.
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