/**************************************************
 * TESTSLIB - Test Library stdlib.h02 for py65mon *
 **************************************************/
 
//Specify System Header using -H option
#include <stddef.h02>
#include <stdlib.h02>

void prtcma() {putchr(',');}
void prtlin() {putstr(); newlin();}
void prtok() {prtlin(" OK");}

main:

//goto tstcvb;

tstabs: //Test abs()
char onum, anum, cnum;
putstr("ABS()");

//test abs() positive numbers
onum = 0;
aploop:
  anum = abs(onum);
  if (onum <> anum) goto abserr;
  onum++;
  if (onum < $80) goto aploop;

//test abs() negative numbers
anloop:
  anum = abs(onum);
  cnum = -onum;
  if (anum <> cnum) goto abserr;
  onum++;
  if (onum > $00) goto anloop;
  prtok();

tstmlt: //Test mult()
char mltplr, mltpnd, acmlsb, acmmsb, acmlst;
char prodct, ovrflw;

putstr("MULT()");
mltplr = 1;
mrloop:
  mltpnd = 1; acmlst = 0;
  acmlsb = 0; acmmsb = 0;
  mdloop:
    acmlsb = acmlsb + mltplr;
    if (acmlsb<acmlst) acmmsb++;
    acmlst = acmlsb;
    prodct,ovrflw = mult(mltplr,mltpnd);
    if (prodct <> acmlsb) goto merror;
    mltpnd++;
    if (mltpnd > 0) goto mdloop;
  mltplr++;
  if (mltplr > 0) goto mrloop; 
  prtok();

tstdiv: //Test div()
char maxmpd, divdnd, divisr, quotnt;

putstr("DIV()");
mltplr = 255;
maxmpd = 1;
drloop:
  mltpnd = 1;
  acmlsb = 0;
  ddloop:
    acmlsb = acmlsb + mltplr;
    prodct = mult(mltplr, mltpnd);
    quotnt = div(prodct, mltpnd);
    if (quotnt <> mltplr) goto derror;
    mltpnd++;
    if (mltpnd < maxmpd) goto ddloop;
  mltplr>>;
  maxmpd<<;
  if (mltplr <> 0) goto drloop; 
  prtok();

tstrnd: //Test rand() and rands()
char countr, rndnum, rndtbl[255];

putstr("RAND()");
rands(1); //Seed Random Number Generator;

countr = 0;

riloop:
  rndtbl[countr] = 0;
  countr++;
  if (countr <> 0) goto riloop;

rnloop:
  rndnum = rand();
  if (rndtbl[rndnum] > 0) goto rnderr;
  rndtbl[rndnum] = $FF;
  countr++;
  if (countr < 255) goto rnloop;
  prtok();

tstcvb: //Test cvbcd()
char cvbchr,cvblo,cvbhi;

goto tstc2a;
putstr("CVBCD()");
cvbchr = 0; cvblo = 0; cvbhi = 0;
cvloop:
  cvbcd(cvbchr);
  getchr();
  if (temp1 <> cvblo or temp2 <> cvbhi) goto cvberr;
  cvblo++;
  if (cvblo & $0f > 9) {
    cvblo = cvblo & $f0 + $10;
    if (cvblo >= $a0) {
      cvblo = cvblo & $0f;
      cvbhi++;
    }
  }
  cvbchr++;
  if (cvbchr) goto cvloop;
  prtok();

tstc2a: //Test ctoa();
char srcchr, dstchr, tststr[4];

putstr("CTOA()");
srcchr = 0;
caloop:
  ctoa(srcchr, &tststr);
  dstchr = atoc(&tststr);
  if (srcchr <> dstchr) goto c2aerr;
  srcchr++;
  if (srcchr <> 0) goto caloop;
  prtok();

goto exit;

abserr:
  putstr("ABS(");
  prbyte(onum);
  putchr(')');
  putchr('=');
  prbyte(anum);
  putchr(',');
  prbyte(cnum);
  newlin();
  goto exit;

merror:
  newlin();
  prbyte(mltplr);
  putchr('*');
  prbyte(mltpnd);
  putchr('=');
  //prbyte(ovrflw);
  prbyte(prodct);
  putchr(',');
  //prbyte(acmmsb);
  prbyte(acmlsb);
  newlin();
goto exit;

derror:
  newlin();
  prbyte(divdnd);
  putchr('/');
  prbyte(divisr);
  putchr('=');
  prbyte(quotnt);
  putchr(',');
  prbyte(mltplr);
  newlin();
goto exit;

rnderr:
  putstr("RAND()=");
  prbyte(rndnum);
  putchr(',');
  prbyte(countr);
  newlin();
  goto exit;

cvberr:
  putstr(" !CVBCD(");
  prbyte(cvbchr);
  putstr(")=$");
  prbyte(TEMP2);
  prbyte(TEMP1);
  newlin();
  goto exit;

c2aerr:
  putstr(" !CTOA(");
  prbyte(srcchr);
  putstr(")=");
  prbyte(dstchr);
  newlin();
  goto exit;