diff --git a/bacnet-stack/ports/atmega8/bacnet.ewp b/bacnet-stack/ports/atmega8/bacnet.ewp
index 9bc8b95f..2191864a 100644
--- a/bacnet-stack/ports/atmega8/bacnet.ewp
+++ b/bacnet-stack/ports/atmega8/bacnet.ewp
@@ -153,7 +153,7 @@
         </option>
         <option>
           <name>Input description</name>
-          <state>Full formatting.</state>
+          <state>Full formatting</state>
         </option>
         <option>
           <name>Output variant</name>
@@ -162,7 +162,7 @@
         </option>
         <option>
           <name>Output description</name>
-          <state> specifier a or A, no specifier n, no float or long long.</state>
+          <state>No specifier a, A, no specifier n, no float nor long long.</state>
         </option>
         <option>
           <name>GRuntimeLibSelectSlave</name>
@@ -1153,7 +1153,7 @@
         </option>
         <option>
           <name>RTConfigPath</name>
-          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-sf-n.h</state>
+          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-1s-ec_mul-n.h</state>
         </option>
         <option>
           <name>RTLibraryPath</name>
@@ -1166,7 +1166,7 @@
         </option>
         <option>
           <name>Input description</name>
-          <state>Full formatting.</state>
+          <state>Full formatting</state>
         </option>
         <option>
           <name>Output variant</name>
@@ -1175,7 +1175,7 @@
         </option>
         <option>
           <name>Output description</name>
-          <state> specifier a or A, no specifier n, no float or long long.</state>
+          <state>No specifier a, A, no specifier n, no float nor long long.</state>
         </option>
         <option>
           <name>GRuntimeLibSelectSlave</name>
@@ -1230,7 +1230,7 @@
         </option>
         <option>
           <name>GenDeviceSelectMenu</name>
-          <state>m168	ATmega168</state>
+          <state>m8	ATmega8</state>
         </option>
       </data>
     </settings>
@@ -1259,7 +1259,6 @@
         </option>
         <option>
           <name>CCDefines</name>
-          <state>NDEBUG</state>
           <state>BACDL_MSTP</state>
           <state>MAX_APDU=50</state>
           <state>BIG_ENDIAN=0</state>
@@ -1356,7 +1355,7 @@
         <option>
           <name>CCCrossCallPassesList</name>
           <version>8</version>
-          <state>1</state>
+          <state>5</state>
         </option>
         <option>
           <name>CCObjUseModuleName</name>
@@ -1368,7 +1367,7 @@
         </option>
         <option>
           <name>CCDebugInfo</name>
-          <state>0</state>
+          <state>1</state>
         </option>
         <option>
           <name>CCNoErrorMsg</name>
@@ -1396,7 +1395,7 @@
         </option>
         <option>
           <name>CCCharIs</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>CCExt</name>
@@ -1426,6 +1425,7 @@
           <name>newCCIncludePaths</name>
           <state>$PROJ_DIR$</state>
           <state>$PROJ_DIR$\..\..\include</state>
+          <state>$PROJ_DIR$\..\..\demo\object</state>
         </option>
         <option>
           <name>CCStdIncCheck</name>
@@ -1565,7 +1565,7 @@
         </option>
         <option>
           <name>CDebug</name>
-          <state>0</state>
+          <state>1</state>
         </option>
         <option>
           <name>ADefines</name>
@@ -1686,7 +1686,7 @@
         </option>
         <option>
           <name>ANewIncludes</name>
-          <state>###Uninitialized###</state>
+          <state>$TOOLKIT_DIR$\INC\</state>
         </option>
         <option>
           <name>AsmMultiByteSupport</name>
@@ -1702,7 +1702,7 @@
         </option>
         <option>
           <name>AsmOutputFile</name>
-          <state></state>
+          <state>$FILE_BNAME$.r90</state>
         </option>
         <option>
           <name>AStdIncCheck</name>
@@ -1744,12 +1744,12 @@
         </option>
         <option>
           <name>OutputFile</name>
-          <state>$PROJ_FNAME$.hex</state>
+          <state>$PROJ_FNAME$.d90</state>
         </option>
         <option>
           <name>OutputFormat</name>
           <version>11</version>
-          <state>23</state>
+          <state>70</state>
         </option>
         <option>
           <name>FormatVariant</name>
@@ -1856,7 +1856,7 @@
         </option>
         <option>
           <name>SuppressDiags</name>
-          <state></state>
+          <state>w31</state>
         </option>
         <option>
           <name>TreatAsWarn</name>
@@ -1882,13 +1882,11 @@
         </option>
         <option>
           <name>XExtraOptionsCheck</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>XExtraOptions</name>
-          <state>-y(CODE)</state>
-          <state>-Ointel-extended,(DATA)=$EXE_DIR$\$PROJ_FNAME$_data.hex</state>
-          <state>-Ointel-extended,(XDATA)=$EXE_DIR$\$PROJ_FNAME$_eeprom.hex</state>
+          <state></state>
         </option>
         <option>
           <name>IncludeSuppressed</name>
@@ -1904,7 +1902,7 @@
         </option>
         <option>
           <name>DebugInformation</name>
-          <state>1</state>
+          <state>0</state>
         </option>
         <option>
           <name>RuntimeControl</name>
@@ -1916,7 +1914,7 @@
         </option>
         <option>
           <name>AllowExtraOutput</name>
-          <state>0</state>
+          <state>1</state>
         </option>
         <option>
           <name>GenerateExtraOutput</name>
diff --git a/bacnet-stack/ports/atmega8/hardware.h b/bacnet-stack/ports/atmega8/hardware.h
index ef5f9b4e..0e8fdfdf 100644
--- a/bacnet-stack/ports/atmega8/hardware.h
+++ b/bacnet-stack/ports/atmega8/hardware.h
@@ -31,8 +31,12 @@
 #endif
 
 #if defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ASM__)
-  #include <iom168.h>
-  #define WATCHDOG_INIT() {BIT_CLEAR(MCUSR, WDRF); WDTCSR = 0;}
+  #include <ioavr.h>
+  #if defined(__ATmega168__)
+    #define WATCHDOG_INIT() {BIT_CLEAR(MCUSR, WDRF); WDTCSR = 0;}
+  #else
+    #define WATCHDOG_INIT()
+  #endif
 #else
   #if !defined(__AVR_ATmega168__)
     #error Firmware is configured for ATmega168 only (-mmcu=atmega168)
@@ -45,7 +49,7 @@
 #endif
 
 #include "iar2gcc.h"
-#include "avr035.h"
+#include "bits.h"
 
 #define LED_NPDU_INIT() BIT_SET(DDRD, DDD5)
 #define LED_NPDU_ON() BIT_CLEAR(PORTD, PD5)
diff --git a/bacnet-stack/ports/atmega8/rs485.c b/bacnet-stack/ports/atmega8/rs485.c
index 4991e86e..1902365a 100644
--- a/bacnet-stack/ports/atmega8/rs485.c
+++ b/bacnet-stack/ports/atmega8/rs485.c
@@ -182,20 +182,20 @@ void RS485_Turnaround_Delay(
 
     RS485_Transmitter_Enable(false);
     while (nbytes) {
-        while (!BIT_CHECK(UCSR0A, UDRE0)) {
+        while (!BIT_CHECK(UCSRA, UDRE)) {
             /* do nothing - wait until Tx buffer is empty */
         }
         /* Send the data byte */
-        UDR0 = 0xff;
+        UDR = 0xff;
         nbytes--;
     }
     /* was the frame sent? */
-    while (!BIT_CHECK(UCSR0A, TXC0)) {
+    while (!BIT_CHECK(UCSRA, TXC)) {
         /* do nothing - wait until the entire frame in the
            Transmit Shift Register has been shifted out */
     }
     /* Clear the Transmit Complete flag by writing a one to it. */
-    BIT_SET(UCSR0A, TXC0);
+    BIT_SET(UCSRA, TXC);
 }
 
 /****************************************************************************