/****************************************************
 * INTS - Test Integer Variables and Function Calls */
 
//Specify System Header using -H option
#include <screen.h02>
#include <stddef.h02>
#include <stdlib.h02>
#include <intlib.h02>
#include <stdio.h02>
#include <stdiox.h02>
#include <string.h02>
#include <test.h02>

char size;
char s[128]; //Test String

char cval,cnum,ctot;  //Character Function Variables
int ivar,ival;        //Integer Variables
int ichk,itot,ires;   //Function Variables
int less, more;       //Test Values for imin() and imax()
int yx, dd; //Function Arguments and Variables

void cpcval(cnum) {
  if (cval <> cnum) {
    puthex(cval); puts("<>"); puthex(cnum);
    failln();
    goto exit;
  }
}

void cpival(ichk) {
  if (>ival <> >ichk or <ival <> <ichk) {
    prword(ival); puts("<>"); prword(ichk);
    failln();
    goto exit;
  }
}

/* Test imin() and imax() and icmp() */
void minmax(ctot) {
  newlin();
  puts("IMIN(IACC($"); prword(less); puts("),$"); prword(more); puts(")=$");
  ival = imin(iacc(less),more); prword(ival); newlin();
  cpival(less);

  puts("IMIN(IACC($"); prword(more); puts("),$"); prword(less); puts(")=$");
  ival = imin(iacc(more),less); prword(ival); newlin();
  cpival(less);

  puts("IMAX(IACC($"); prword(less); puts("),$"); prword(more); puts(")=$");
  iacc(less); ival = imax(more); prword(ival); newlin();
  cpival(more);

  puts("IMIN(IACC($"); prword(more); puts("),$"); prword(less); puts(")=$");
  iacc(more); ival = imax(less); prword(ival); newlin();
  cpival(more);

  puts("ICMP(IACC($"); prword(less); puts("),$"); prword(more); puts(")=$");
  cval = icmp(iacc(less),more); puthex(cval); newlin();
  cpcval(-ctot);

  puts("ICMP(IACC($"); prword(more); puts("),$"); prword(less); puts(")=$");
  cval = icmp(iacc(more),less); puthex(cval); newlin();
  cpcval(ctot);

}

/* Test cvibcd() and upbcdi() */
void intbcd(ival) {
  newlin(); puts("CVIBCD($"); prword(ival); puts(")=$"); 
  cvibcd(ival); puthex(temp2); puthex(temp1); puthex(temp0);
  newlin(); puts("UPBCDI()=");
  for (cnum=4; cnum:+; cnum--) {if(cnum<4) {putc(',');} putnyb(upbcdi(0,cnum));}
}

/* Test itoa() and atoi() */
void itaati(ivar) {
  //intbcd(ivar); newlin();
  puts("ITOA(IACC($"); prword(ivar); puts(",S); ");
  iacc(ivar); size = itoa(s); puts("  S=\""); puts(s); putln("\"");
  puts("ATOI(\""); puts(s); puts("\")=$");
  ival = atoi(s); prword(ival); newlin();
  cpival(ivar);
}

/* Test iadd() and isub() */
//**needs iaddc() 
void addsub(ivar) {
  newlin();
  putint(ival); putc('+'); putint(ivar); putc('=');
  iacc(ival); ctot, itot = iadd(ivar); 
  putint(itot); puts(", carry="); prhex(ctot); newlin();
  putint(itot); putc('-'); putint(ivar); putc('=');
  iacc(itot); ires = isub(ivar);
  putint(itot); puts(", carry="); prhex(ctot); newlin();
  cpival(ires);
}

/* Test imult() and idiv() */
void mltdiv(ivar) {
  newlin();
  putint(ival); putc('*'); putint(ivar); putc('=');
  iacc(ival); cval,itot = imult(ivar); putint(itot); 
  if (cval) puts(" OVERFLOW!"); newlin();
  putint(itot); putc('/'); putint(ivar); putc('=');
  iacc(itot); ires = idiv(ivar); putint(ires); newlin();
  cpival(ires);
  ival>>; iacc(ival); cval,itot = iadd(itot); 
  if (cval) return; //Number to Large to Modulo
  putint(itot); putc('%'); putint(ivar); putc('=');
  iacc(itot); ires = imod(ivar); putint(ires); newlin();
  cpival(ires);
}

void prshft() {
  puts(); putc('('); putdec(cval); puts(",%"); 
  cnum = >ivar; putbin(cnum); putspc();
  cnum = <ivar; putbin(cnum); puts(")=");
}

void prctot() {putc('%'); putbin(ctot); putspc();}

void pritot() {
  putc('%'); cnum = >itot; putbin(cnum); 
  putspc(); cnum = <itot; putbin(cnum); putspc();
}

/* Test ishftl() and ishiftr() */
void shftlr(cval, ivar) {
  newlin();
  ival = ivar; for (cnum = 0; cnum < cval; cnum++) ival<<; prshft("ISHFTL"); 
  ctot, itot = ishftl(cval, ivar); prctot(); pritot(); newlin();
  cpival(itot);
  ival = ivar; for (cnum = 0; cnum < cval; cnum++) ival>>; prshft("ISHFTR");
  ctot, itot = ishftr(cval, ivar); pritot(); prctot(); newlin();
  cpival(itot);
}

main:

less = $009A; more = $00DE; minmax(1);
less = $789A; more = $78DE; minmax(1);
anykey();
less = $7800; more = $BC00; minmax(1);
less = $789A; more = $BCDE; minmax(1);
less = $F18F; more = $F18F; minmax(0);
anykey();

doasc:
  //itaati(&0);
  itaati(&234);
  itaati(&256);
  itaati(&456);
  itaati(&23456);
  itaati(&$FFFF);
  anykey();

doadd:
  ival = &23; addsub(&34);
  ival = &1234; addsub(&5678); 
  ival = &23456; addsub(&34567); 
  ival = &$7700; addsub(&$6600); 
  ival = &$7FFF; addsub(&$8000); 
  ival = &$FDEC; addsub(&$CDEF); 
  anykey();
  
domlt:
  ival = &23; mltdiv(&34);
  ival = &123; mltdiv(&234);
  ival = &255; mltdiv(&257); 
  anykey();

doshft:
  shftlr(0,&$AA55);
  shftlr(1,&$A55A);
  shftlr(2,&$F00F);
  shftlr(3,&$0FF0);
  shftlr(4,&$AA55);
  shftlr(7,&$A55A);
  anykey();

  shftlr(8,&$AA55);
  shftlr(9,&$A55A);
  shftlr(11,&$0FF0);
  shftlr(12,&$AA55);
  shftlr(15,&$A55A);
  shftlr(16,&$F00F);
  anykey();

goto exit;