template <class T>
class A {

public:

void Func();

};

template <class T>
void A<T>::Func()
{
}

void TestTemplate(void)
{
A<int> AObj;        // Создаем объект тип А для int
AObj.Func();        // Эта строка приводит к ошибке линкера  (исправил было A вместо AObj) :)
}

*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  Func__12SAS__tm__2_cFv_v
    MODULE:  EMF.obj (EMF)
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  Func__12SAS__tm__2_cFv_v
    MODULE:  EMF.obj (EMF)
    ADDRESS: 16E8H
Target not created

template <class T>
class TList {


struct _SList {

    T * item;
    struct _SList * next;
    struct _SList * prev;

};

    typedef struct _SList SList;

public:

    SList * base;
    SList * NewItem;
    
    TList(void) {base = NULL; NewItem = NULL;};
    void AddItem(T * PRec);
    U16 CountItems(void);

};

#include <stdio.h>                /* standard I/O .h-file              */

#include <stdlib.h>
#include <intrins.h>
#include <absacc.h>            // Absolute Memory Access
#include "main.h"
#include "gl.h"
#include "ec_error.h"
#include "Graph.h"
#include "List.h"

//------------------------------------------------------------------------------

template <class T>
void TList<T>::AddItem(T * PRec)
{
SList * Current;

if(base != NULL)
{
    Current = base;
    while(Current->next != NULL)
        Current = Current->next;

    NewItem = new SList;
    Current->next = NewItem;
    NewItem->next = NULL;
    NewItem->prev = Current;
    NewItem->item = PRec;
}
else
{
    base = new SList;
    base->next = NULL;
    base->prev = NULL;
    base->item = PRec;    
}

}

//------------------------------------------------------------------------------

template <class T>
U16 TList<T>::CountItems(void)
{
U16 i = 0;
SList * Current;

if(base != NULL)
{
    Current = base;
    while(Current->next != NULL)
    {
        Current = Current->next;
        i++;
    }
}
return i;
}
//------------------------------------------------------------------------------

void Test(void)
{
U16 cnt;

TList<U16> A;
cnt  = A.CountItems();  // Без этой строчки никаких ошибок вообще нет!
}