diff --git a/include/hwapi.h b/include/hwapi.h
index 23235bd..9175d84 100644
--- a/include/hwapi.h
+++ b/include/hwapi.h
@@ -100,6 +100,8 @@ class hwapi :   public QObject,
     Q_OBJECT
     Q_PLUGIN_METADATA(IID "Atb.Psa2020.software.HWapi/1.0" )   //FILE "HWapi.json")
     Q_INTERFACES(hwinf)
+private:
+    void sub_storeSendingText(QByteArray *buf) const;
 
     DownloadResult sendNextAddress(int bNum) const;
     DownloadResult sendNextDataBlock(QByteArray const &b, int bNum) const;
@@ -992,19 +994,6 @@ public:
     //                          uint16_t borough, uint16_t zone,
     //                          uint16_t alias,   char *location) const override;
 
-    /*
-    uint8_t emp_getInsertedCoinSignal(void) const override;
-        // can be called one time after each coin
-        // emp_chkIfCoinInserted() must be called before!
-
-    uint16_t emp_getInsertedCoinValue(void) const override;
-        // can be called one time after each coin
-        // emp_chkIfCoinInserted() must be called before!
-
-    uint8_t emp_getCoinError(void) const override;
-        // can be called one time after each coin
-        // emp_chkIfCoinInserted() must be called before!
-    */
 
     bool rtc_setTimeDateDirect(struct Trtc_DateTime *DateTime) const override;
         // return true if successful. could fail if more the 8 commands are waiting
@@ -1056,7 +1045,8 @@ public:
     bool prn_printTestTicket(void) const override;
         // return true if sending to DC OK, false if cmd-stack is full
 
-    bool cash_startPayment(uint16_t amount) const override;
+    bool cash_startPayment(uint32_t amount) const override;
+        // 17.4.23TS: extended to 32bit
 
     bool cash_cancelPayment(void) const override;
         // and return coins
@@ -1091,7 +1081,6 @@ public:
     uint64_t sys_getWakeSource(void) const override;
         // retval: 6 bytes, bit coded, 1=event keeps DC awake
 
-    //void sys_getDeviceConditions(struct T_moduleCondition *devCond) const override;
     void sys_getDeviceConditions(uint8_t *leng, uint8_t *data) const override;
 
     void sys_getDeviceConditions(struct T_moduleCondition *devCond) const override;
@@ -1104,16 +1093,28 @@ public:
 
     uint16_t cash_getNrCoinsInVault(void) const override;
 
+    uint8_t prn_getPrintResult() const override;
+
+    uint8_t prn_getCurrentPrinterState() const override;
+        //        0: printer OK
+        //          bit0: near paper end          bit1: no paper
+        //          bit2: temperature error       bit3: error head open
+        //          bit4: paper jam in cutter
+        //          bit6: no response             bit7: serial rec. error
+        //			bit5: printer not ready
 
 
+signals:
+    void hwapi_templatePrintFinished_OK(void) const override;
+    void hwapi_templatePrintFinished_Err(void) const override;
+    void hwapi_gotNewCoin(void) const override;
+    void hwapi_vendStopByMax(void) const override;
+    void hwapi_vendStopByPushbutton(void) const override;
 
-private:
-    void sub_storeSendingText(QByteArray *buf) const;
-
-
-
-
-
+ private slots:
+    void hwapi_slotPrintFinished_OK(void);
+    void hwapi_slotPrintFinished_Err(void);
+    void hwapi_slotGotCoin(void);
 
 };