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/****************************  divide_int.as ********************************

* Author:        Agner Fog

* date created:  2021-05-26

* Last modified: 2021-08-03

* Version:       1.11

* Project:       ForwardCom library libc.li

* Description:   divide_int: divide two 32-bit signed integers

* This function is for compatability with libc_light.li.

* It returns the quotient and the remainder of r0 / r1

*

* Copyright 2021 GNU General Public License http://www.gnu.org/licenses

*****************************************************************************/

code section execute

_divide_int function public reguse=3,0

  // divide two 32 bit signed integers. return quotient and remainder

  // input r0: dividend

  // input r1: divisor

  // output r0: r0 / r1

  // output r1: r0 % r1

  if (int32 r1 != 0) {

      int32  r2 = r0 / r1

      int32  r1 = r0 % r1

      int32  r0 = r2

      return

  }

  // return INT_MIN if error

  int32 r0 = 0x80000000

  int32 r1 = 0

  return

code end