C02/include/intlib.h02

/*********************************************************
 * intlib - Standard Library Routines for Integer Values *
 *********************************************************/

/* Integer Absolute Value              *
 * Args: int w - Integer to test       *
 * Returns: int v -Absolute value of w */
char iabs();

/* Integer Add               *
 * Setup: setsrc(g) - Augend *
 * Args: int d - Addend      *
 * Returns: char c - Carry   *
 *          int r - Sum      */
char iadd();
 
/* ASCII to Integer                           *
 *   Convert ASCII string to Unsigned Integer *
 * Args: &s - String to Convert               *
 * Returns: char n - Number of digits parsed  *
 *          int v - Numeric value of string   */
char atoi();

/* Integer to ASCII                       *
 *   Convert Unsigned Integer to String   *
 * Setup: setdst(s) - Destination String  *
 * Args: int w  - Unsigned Int to Convert *
 * Returns: char n - Length of string     */
void itoa();

/* Integer Divide               *
 *   Divide Unsigned Integers   *
 * Aetup: setdst(n) - Numerator *
 * Args: int d - Denominator    *
 * Returns: int q - Quotient    */
char idiv();
 
/* Integer Maximum                     *
 *   Return Largest of Two Integers    *
 * Requires: setsrc(i) - First Integer *
 * Args: int j - Second Integer        *
 * Returns: int m - Greater of the Two */
char imax();

/* Integer Minimum                     *
 *   Return smallest of Two Integers   *
 * Requires: setsrc(i) - First Integer *
 * Args: int j - Second Integer        *
 * Returns: int m - Lesser of the Two  */
char imin();

/* Integer Multiply                  *
 *  Multiply Unsigned Integers       *
 * Requires: setdst(m) - Muliplicand *
 * Args: int r - Multiplier          *
 * Returns: long p - Product         */
char imult();

/* Integer Left Shift               *
 * Args: char n - Number of Bits    *
 *       int w - Value to Shift     *  
 * Returns: char v - Overflow Bits  *
            int r - Shifted Integer */
char ishftl();

/* Integer Shift Right                  *
 * Args: char n - Number of Bits    *
 *       int w - Value to Shift     *  
 * Returns: char v - Overflow Bits  *
            int r - Shifted Integer */
char ishftr();

/* Integer Subtract               *
 * Requires: setsrc(m) - Minuend  *
 * Args: int s - Subtrahend       *
 * Returns: char c - Carry        *
 *          int d - Difference    */
char isub();