diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7ec6016..885e484 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,5 +37,5 @@ add_executable(SchemeEditor
   comdel/parser/comdellexer.cpp
   main.cpp
   mainwindow.ui
-        comdel/domain/comdel_validator.cpp comdel/domain/comdel_validator.h comdel/display/attribute_dialog.cpp comdel/display/attribute_dialog.h comdel/display/name_dialog.cpp comdel/display/name_dialog.h comdel/domain/comdel_generator.cpp comdel/domain/comdel_generator.h comdel/display/library_list.cpp comdel/display/library_list.h application.cpp application.h)
+        comdel/domain/comdel_validator.cpp comdel/domain/comdel_validator.h comdel/display/attribute_dialog.cpp comdel/display/attribute_dialog.h comdel/display/name_dialog.cpp comdel/display/name_dialog.h comdel/domain/comdel_generator.cpp comdel/domain/comdel_generator.h comdel/display/library_list.cpp comdel/display/library_list.h application.cpp application.h comdel/display/single_automatic_dialog.cpp comdel/display/single_automatic_dialog.h)
 target_link_libraries(SchemeEditor Qt5::Core Qt5::Gui Qt5::Widgets)
diff --git a/application.cpp b/application.cpp
index 94e963b..c5f0855 100644
--- a/application.cpp
+++ b/application.cpp
@@ -157,7 +157,7 @@ std::vector<domain::ValidationError> Application::validateSchema() {
 std::vector<domain::ValidationError> Application::generateComdel(std::ostringstream &output) {
 
     auto errors = validateSchema();
-    if (Application::hasErrors(errors)) {
+    if (!Application::hasErrors(errors)) {
         // as long as all validation errors are warning we continue with build
         domain::generate_comdel(schema, library.value(), output);
     }
diff --git a/comdel/display/schema_display.cpp b/comdel/display/schema_display.cpp
index 8f86c67..c6a12e3 100644
--- a/comdel/display/schema_display.cpp
+++ b/comdel/display/schema_display.cpp
@@ -2,6 +2,7 @@
 #include "schema_display.h"
 #include "application.h"
 #include "attribute_dialog.h"
+#include "single_automatic_dialog.h"
 
 #include <QDrag>
 #include <QDragEnterEvent>
@@ -87,27 +88,9 @@ namespace display {
         if (event->mimeData()->hasFormat("comdel/component")) {
             auto component = library->getComponent(event->mimeData()->data("comdel/component").toStdString());
 
-            auto attributes = std::vector<domain::InstanceAttribute>();
-            for (auto attr: component.getAttributes()) {
-                domain::InstanceAttribute attribute(attr.getName(), attr.getDefault(), attr);
-                if(attr.getPopup().has_value() && attr.getPopup()->getType() == domain::Popup::AUTOMATIC) {
-                    if(attr.getDefault().isType(domain::Value::MEMORY_REFERENCE)) {
-                        auto dialog = new MemoryDialog(&attribute, schema->componentInstances);
-                        if(dialog->exec() == QDialog::Rejected) {
-                            // if any dialog isn't set, whole creation is rejected
-                            event->ignore();
-                            return;
-                        }
-                    } else {
-                        auto dialog = new AttributeDialog(&attribute);
-                        if(dialog->exec() == QDialog::Rejected) {
-                            // if any dialog isn't set, whole creation is rejected
-                            event->ignore();
-                            return;
-                        }
-                    }
-                }
-                attributes.push_back(attribute);
+            auto attributes = populateAttributes(component.getAttributes());
+            if(attributes.size() != component.getAttributes().size()) {
+                return;
             }
 
             auto currentPos = this->mapToScene(event->pos()).toPoint();
@@ -152,15 +135,18 @@ namespace display {
         auto busInstances = getAvailableConnectionBusses(instance, pin);
 
         for (auto &bus: busInstances) {
+            if(buses[bus->name] == nullptr) {
+                continue;
+            }
             auto rect = buses[bus->name]->boundingRect();
             rect = QRectF(buses[bus->name]->x(), buses[bus->name]->y(), rect.width(), rect.height());
 
             if (rect.contains(endPoint)) {
                 auto con = library->getConnection({instance->component.getName(), pin.getName()}, bus->bus.getName());
                 if (con.has_value()) {
-                    std::vector<domain::InstanceAttribute> attributes;
-                    for (auto attr: con->getAttributes()) {
-                        attributes.emplace_back(attr.getName(), attr.getDefault(), attr);
+                    auto attributes = populateAttributes(con->getAttributes());
+                    if(attributes.size() != con->getAttributes().size()) {
+                        return;
                     }
 
                     auto conInstance = std::make_shared<domain::BusConnectionInstance>(instance, attributes, bus, *con);
@@ -189,13 +175,16 @@ namespace display {
                 auto con = library->getConnection({instance->component.getName(), pin.getName()},
                                                   {name, pinInstance.pin});
                 if (con.has_value()) {
-                    auto bus = library->getBus(con->getBus());
-                    auto busInstance = std::make_shared<domain::BusInstance>(bus.getName(), bus);
-                    schema->busInstances.push_back(busInstance);
+                    auto busInstance = Application::instance()->addBus(library->getBus(con->getBus()), 0, 0);
 
                     std::vector<domain::InstanceAttribute> attributes;
-                    for (auto attr: con->getAttributes()) {
-                        attributes.emplace_back(attr.getName(), attr.getDefault(), attr);
+                    if(library->getBus(con->getBus()).getType() == domain::Bus::SINGLE_AUTOMATIC) {
+                        attributes = populateSingleAutomaticConnection(*con);
+                    } else {
+                        attributes = populateAttributes(con->getAttributes());
+                    }
+                    if(attributes.size() != con->getAttributes().size()) {
+                        return;
                     }
 
                     auto conInstance = std::make_shared<domain::DirectConnectionInstance>(instance,
@@ -294,4 +283,46 @@ namespace display {
         return instances;
     }
 
+    std::vector<domain::InstanceAttribute> Schema::populateAttributes(std::vector<domain::Attribute>& attributes) {
+        std::vector<domain::InstanceAttribute> instanceAttributes;
+
+        for (auto attr: attributes) {
+            domain::InstanceAttribute attribute(attr.getName(), attr.getDefault(), attr);
+            if(attr.getPopup().has_value() && attr.getPopup()->getType() == domain::Popup::AUTOMATIC) {
+                if(attr.getDefault().isType(domain::Value::MEMORY_REFERENCE)) {
+                    auto dialog = new MemoryDialog(&attribute, schema->componentInstances);
+                    if(dialog->exec() == QDialog::Rejected) {
+                        // if any dialog isn't set, whole creation is rejected
+                        return {};
+                    }
+                } else {
+                    auto dialog = new AttributeDialog(&attribute);
+                    if(dialog->exec() == QDialog::Rejected) {
+                        // if any dialog isn't set, whole creation is rejected
+                        return {};
+                    }
+                }
+            }
+            instanceAttributes.push_back(attribute);
+        }
+        return instanceAttributes;
+    }
+
+    std::vector<domain::InstanceAttribute> Schema::populateSingleAutomaticConnection(domain::Connection connection) {
+        std::vector<domain::InstanceAttribute> instanceAttributes;
+
+        for (auto attr: connection.getAttributes()) {
+            instanceAttributes.emplace_back(attr.getName(), attr.getDefault(), attr);
+        }
+
+        auto dialog = new display::SingleAutomaticDialog(instanceAttributes);
+        if(dialog->exec() == QDialog::Rejected) {
+            // if dialog is rejected, whole creation is rejected
+            return {};
+        }
+
+        return instanceAttributes;
+
+    }
+
 } // namespace display
diff --git a/comdel/display/schema_display.h b/comdel/display/schema_display.h
index 053d954..df4bd67 100644
--- a/comdel/display/schema_display.h
+++ b/comdel/display/schema_display.h
@@ -73,6 +73,10 @@ namespace display {
 
         std::vector<domain::ConnectionComponent>
         getAvailableConnectionPins(domain::ComponentInstance *instance, domain::Pin &pin);
+
+        std::vector<domain::InstanceAttribute> populateAttributes(std::vector<domain::Attribute>& attributes);
+
+        std::vector<domain::InstanceAttribute> populateSingleAutomaticConnection(domain::Connection connection);
     };
 
 } // namespace display
diff --git a/comdel/display/single_automatic_dialog.cpp b/comdel/display/single_automatic_dialog.cpp
new file mode 100644
index 0000000..5605e79
--- /dev/null
+++ b/comdel/display/single_automatic_dialog.cpp
@@ -0,0 +1,75 @@
+//
+// Created by bbr on 05.06.22..
+//
+
+#include "single_automatic_dialog.h"
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QComboBox>
+#include <QPushButton>
+
+namespace display {
+    SingleAutomaticDialog::SingleAutomaticDialog(std::vector<domain::InstanceAttribute> &values): attributes(values) {
+        setAttribute(Qt::WA_DeleteOnClose);
+        setWindowTitle(QString::fromStdString("Postavi poveznicu"));
+
+        firstValue = values[0].value;
+        secondValue = values[1].value;
+
+        auto *parentLayout = new QVBoxLayout(this);
+        auto *contentLayout = new QHBoxLayout(this);
+        auto *firstLayout = new QVBoxLayout(this);
+        auto *secondLayout = new QVBoxLayout(this);
+
+        parentLayout->addLayout(contentLayout);
+        contentLayout->addLayout(firstLayout);
+        contentLayout->addLayout(secondLayout);
+        this->setLayout(parentLayout);
+
+        setupValues(firstLayout, values[0], &SingleAutomaticDialog::onFirstEnumerationChanged);
+        setupValues(secondLayout, values[1], &SingleAutomaticDialog::onSecondEnumerationChanged);
+
+        auto button = new QPushButton("Ažuriraj");
+        connect(button, &QPushButton::clicked, this, &SingleAutomaticDialog::onUpdate);
+        parentLayout->addWidget(button);
+    }
+
+    void SingleAutomaticDialog::setupValues(QVBoxLayout *layout, domain::InstanceAttribute &attribute, void (display::SingleAutomaticDialog::* handler)(int)) {
+
+        auto popup = *attribute.attribute.getPopup();
+
+        layout->addWidget(new QLabel(popup.getTitle().c_str()));
+        layout->addWidget(new QLabel(popup.getText().c_str()));
+
+        auto *combo = new QComboBox(this);
+        auto enumeration = attribute.attribute.getPopup()->getEnumeration();
+        for (auto entry: enumeration) {
+            combo->addItem(QString::fromStdString(entry.getName()));
+        }
+
+        connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), this,handler);
+        layout->addWidget(combo);
+
+        for (int i = 0; i < enumeration.size(); i++) {
+            if (attribute.value.equals(enumeration[i].getValue())) {
+                combo->setCurrentIndex(i);
+                break;
+            }
+        }
+    }
+
+    void SingleAutomaticDialog::onFirstEnumerationChanged(int index) {
+        firstValue = attributes[0].attribute.getPopup()->getEnumeration()[index].getValue();
+    }
+
+    void SingleAutomaticDialog::onSecondEnumerationChanged(int index) {
+        secondValue = attributes[1].attribute.getPopup()->getEnumeration()[index].getValue();
+    }
+
+    void SingleAutomaticDialog::onUpdate() {
+        attributes[0].value = firstValue;
+        attributes[1].value = secondValue;
+        accept();
+    }
+
+} // display
\ No newline at end of file
diff --git a/comdel/display/single_automatic_dialog.h b/comdel/display/single_automatic_dialog.h
new file mode 100644
index 0000000..cc05d28
--- /dev/null
+++ b/comdel/display/single_automatic_dialog.h
@@ -0,0 +1,35 @@
+//
+// Created by bbr on 05.06.22..
+//
+
+#ifndef SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H
+#define SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H
+
+#include <vector>
+#include <QDialog>
+#include <QVBoxLayout>
+#include "comdel/domain/value.h"
+#include "comdel/domain/instance_attribute.h"
+
+namespace display {
+
+    class SingleAutomaticDialog: public QDialog {
+        domain::Value firstValue;
+        domain::Value secondValue;
+        std::vector<domain::InstanceAttribute> &attributes;
+
+    public:
+        explicit SingleAutomaticDialog(std::vector<domain::InstanceAttribute>& values);
+
+        void setupValues(QVBoxLayout *layout, domain::InstanceAttribute &attribute, void (display::SingleAutomaticDialog::* handler)(int));
+
+    public slots:
+
+        void onFirstEnumerationChanged(int index);
+        void onSecondEnumerationChanged(int index);
+        void onUpdate();
+    };
+
+} // display
+
+#endif //SCHEMEEDITOR_SINGLE_AUTOMATIC_DIALOG_H
diff --git a/comdel/domain/attribute.cpp b/comdel/domain/attribute.cpp
index 90ff708..d780da7 100644
--- a/comdel/domain/attribute.cpp
+++ b/comdel/domain/attribute.cpp
@@ -59,4 +59,8 @@ namespace domain {
         return popup;
     }
 
+    void Attribute::setPupup(std::optional<Popup> popup)  {
+        this->popup = popup;
+    }
+
 } // namespace domain
diff --git a/comdel/domain/attribute.h b/comdel/domain/attribute.h
index 6c1daa5..f5e8968 100644
--- a/comdel/domain/attribute.h
+++ b/comdel/domain/attribute.h
@@ -54,7 +54,7 @@ namespace domain {
 
         void setEnumeration(std::vector<Enumeration> enums) {
             enumerated = true;
-            enumeration = std::move(enums);
+            enumeration = enums;
         }
 
     };
@@ -71,6 +71,7 @@ namespace domain {
         Value getDefault();
 
         std::optional<Popup> getPopup();
+        void setPupup(std::optional<Popup> popup);
     };
 
 } // namespace domain
diff --git a/comdel/domain/component.cpp b/comdel/domain/component.cpp
index e6555df..c3b898a 100644
--- a/comdel/domain/component.cpp
+++ b/comdel/domain/component.cpp
@@ -62,7 +62,7 @@ namespace domain {
         return false;
     }
 
-    std::vector<Attribute> Component::getAttributes() {
+    std::vector<Attribute>& Component::getAttributes() {
         return attributes;
     }
 
diff --git a/comdel/domain/component.h b/comdel/domain/component.h
index 5a8cbab..729b735 100644
--- a/comdel/domain/component.h
+++ b/comdel/domain/component.h
@@ -60,7 +60,7 @@ namespace domain {
 
         Pin getPin(std::string pin);
 
-        std::vector<Attribute> getAttributes();
+        std::vector<Attribute>& getAttributes();
 
         Attribute getAttribute(std::string attribute);
 
diff --git a/comdel/domain/connection.cpp b/comdel/domain/connection.cpp
index 732eb90..c42d09b 100644
--- a/comdel/domain/connection.cpp
+++ b/comdel/domain/connection.cpp
@@ -20,7 +20,7 @@ namespace domain {
         return bus;
     }
 
-    std::vector<Attribute> Connection::getAttributes() {
+    std::vector<Attribute>& Connection::getAttributes() {
         return attributes;
     }
 
diff --git a/comdel/domain/connection.h b/comdel/domain/connection.h
index 8e2f96c..a0a49c4 100644
--- a/comdel/domain/connection.h
+++ b/comdel/domain/connection.h
@@ -60,7 +60,7 @@ namespace domain {
 
         std::string getBus();
 
-        std::vector<Attribute> getAttributes();
+        std::vector<Attribute>& getAttributes();
 
         std::vector<Value> getWires();
 
diff --git a/comdel/domain/schema_creator.cpp b/comdel/domain/schema_creator.cpp
index 54e0bde..145511b 100644
--- a/comdel/domain/schema_creator.cpp
+++ b/comdel/domain/schema_creator.cpp
@@ -438,7 +438,9 @@ namespace domain {
                 } else if (attributes[0].getDefault().getType() != Value::STRING) {
                     errors.emplace_back(node.attributes[0].span, "@attribute must be of type string");
                 } else {
-                    attributes[0].getPopup()->setEnumeration(createWireEnumeration(firstWires));
+                    domain::Popup popup = *attributes[0].getPopup();
+                    popup.setEnumeration(createWireEnumeration(firstWires));
+                    attributes[0].setPupup(popup);
                 }
 
                 if (!attributes[1].getPopup().has_value()) {
@@ -446,7 +448,9 @@ namespace domain {
                 } else if (attributes[1].getDefault().getType() != Value::STRING) {
                     errors.emplace_back(node.attributes[1].span, "@attribute must be of type string");
                 } else {
-                    attributes[1].getPopup()->setEnumeration(createWireEnumeration(secondWires));
+                    domain::Popup popup = *attributes[1].getPopup();
+                    popup.setEnumeration(createWireEnumeration(secondWires));
+                    attributes[1].setPupup(popup);
                 }
             }
 
@@ -935,12 +939,22 @@ namespace domain {
                     auto attribute = connection->getAttribute(attr.name.value);
                     auto value = toType(attr.value);
 
+                    bool valueFound = false;
+
+                    // all connection attributes must be of type enumeration
                     for (auto &en: attribute.getPopup()->getEnumeration()) {
-                        if (en.getValue().asReference() == value.asReference()) {
-                            value = Value::fromReference(value.asReference(), Value::WIRE_REFERENCE);
+                        if (en.getValue().equals(value)) {
+                            valueFound = true;
+                            break;
+                        } else if(value.isType(Value::UNDEFINED)) {
+                            if(en.getValue().isType(Value::WIRE_REFERENCE) && en.getValue().asReference() == value.asReference()) {
+                                value = Value::fromReference(value.asReference(), Value::WIRE_REFERENCE);
+                                valueFound = true;
+                                break;
+                            }
                         }
                     }
-                    if (value.isType(Value::UNDEFINED)) {
+                    if (!valueFound) {
                         errors.emplace_back(attr.span, "invalid value");
                     }
 
diff --git a/comdel/parser/comdel_parser.cpp b/comdel/parser/comdel_parser.cpp
index fb970ad..145ae44 100644
--- a/comdel/parser/comdel_parser.cpp
+++ b/comdel/parser/comdel_parser.cpp
@@ -50,12 +50,11 @@ bool ComdelParser::consume(TokenType tokenType) {
     do{}while(0)
 
 void ComdelParser::bump() {
-    if (tokens[position].type == TokenType::END_OF_FILE) {
-        ATLAS_ASSERT_FAIL("Internal parser error, called bump after EOF");
+    if (tokens[position].type != TokenType::END_OF_FILE) {
+        ++position;
     } else {
-        tokens[++position];
+        ATLAS_ASSERT_FAIL("Internal parser error, called bump after EOF");
     }
-
     expectedTokens.clear();
 }
 
@@ -1348,7 +1347,7 @@ PResult<ValueNode> ComdelParser::parseConnectionWire() {
         bump();
         return spanner(ValueNode::ofNull());
     } else if (check(TokenType::STRING)) {
-        return spanner(ValueNode::ofString(parseString()->value));
+        return spanner(ValueNode::ofString(parseString()->asString()));
     } else if (check(TokenType::IDENTIFIER)) {
         return spanner(ValueNode::ofIdentifier(parseIdentifier()->value));
     } else {
diff --git a/examples/simplified FRISC model/comdel.system b/examples/simplified FRISC model/comdel.system
index 01d2561..e69de29 100644
--- a/examples/simplified FRISC model/comdel.system	
+++ b/examples/simplified FRISC model/comdel.system	
@@ -1,54 +0,0 @@
-// Version 0.0.1
-#include "libraries\frisc\vjezba1\FRISC.cdl"
-#include "libraries\frisc\vjezba1\memory.cdl"
-
-
-
-component System
-{
-  clock 100MHz;
-	//bus
-	wire<32> ADR;
-	wire<32> DATA;
-	wire READ;
-	wire WRITE;
-	wired_and WAIT;
-	wired_and INT0;
-	wired_and INT1;
-	wired_and INT2;
-	wired_and INT3;
-	wire<3> SIZE;
-	wire --IACK;
-	wire --BREQ;
-	wire --BACK;
-
-
-	// components --------------------------------------------
-	subcomponent Memorija mem<false, 1, 1024, 8, 1024>(ADR, DATA, READ, WRITE, SIZE, WAIT, 94534054858378, 0, null, null);
-	subcomponent FRISC procesor_002(ADR, DATA, READ, WRITE, SIZE, WAIT, INT0, INT1, INT2, INT3, --IACK, 1, *, 94534054858378, 0, null, null);
-	subcomponent FRISC procesor_001(ADR, DATA, READ, WRITE, SIZE, WAIT, INT0, INT1, INT2, INT3, --IACK, 1, *, 94534054858378, 0, null, null);
-	subcomponent FRISC procesor_000(ADR, DATA, READ, WRITE, SIZE, WAIT, INT0, INT1, INT2, INT3, --IACK, 1, *, 94534054858378, 0, null, null);
-	subcomponent FRISC procesor(ADR, DATA, READ, WRITE, SIZE, WAIT, INT0, INT1, INT2, INT3, --IACK, 1, *, 94534054858378, 0, null, null);
-
-	display {
-		component { x: 0; y: 0; ref: "procesor_002"; }
-		component { x: 0; y: 250; ref: "mem"; }
-		component { x: -89; y: 74; ref: "procesor_001"; }
-		component { x: -175; y: 195; ref: "procesor_000"; }
-		component { x: -195; y: 63; ref: "procesor"; }
-
-		// bus bus
-
-		rectangle {
-			x: 0; y: 200;
-			w: 100; h: 20;
-		}
-
-
-		line {x1:50; y1:116; x2:50; y2:210;}
-		line {x1:50; y1:234; x2:50; y2:210;}
-		line {x1:-39; y1:190; x2:50; y2:210;}
-		line {x1:-145; y1:179; x2:50; y2:210;}
-		line {x1:-125; y1:311; x2:50; y2:210;}
-	}
-}
\ No newline at end of file
diff --git a/examples/simplified FRISC model/frisc_library.csl b/examples/simplified FRISC model/frisc_library.csl
index 4561efd..51df581 100644
--- a/examples/simplified FRISC model/frisc_library.csl	
+++ b/examples/simplified FRISC model/frisc_library.csl	
@@ -8,13 +8,12 @@
 @address pomocniAS(0xFFFF0000,0xFFFFFFFF)
 
 @messages {
-    Ok: "OK";
-    Yes: "Da";
-    No: "Ne";
-    Cancel: "Otkaži";
+    ok: "OK";
+    yes: "Da";
+    no: "Ne";
+    cancel: "Odustani";
     noneBusLine: "nespojen";
     noneValue: "nema vrijednosti";
-    generalPinNotConnected: "Opći pin nije spojen niti na jednu sabirnicu";
 }
 
 @component FRISC processor {
@@ -229,7 +228,7 @@
             @title "Početna adresa DMA-kontrolera"
             @text "Zadajte početnu adresu DMA-kontrolera"
             @rule {
-                if(contains_address(glavniAS, pocetnaAdresa)) {
+                if(!contains_address(glavniAS, pocetnaAdresa)) {
                     error("Početna adresa memorije je izvan 32 bitnog adresnog prostora")
                 }
             }
@@ -239,7 +238,7 @@
                 }
             }
             @rule {
-                if(unique(glavniAS, pocetnaAdresa, 32)) {
+                if(!unique(glavniAS, pocetnaAdresa, 32)) {
                     error("Adrese memorije nisu jedinstvene u adresnom prostoru (preklapaju se s nekom drugom komponentom)")
                 }
             }
@@ -344,7 +343,7 @@
     }
 }
 
-@bus directRam automatic {
+@bus directRam singleAutomatic {
     @instanceName directRam
     @wires {
         INT
@@ -381,6 +380,19 @@
 }
 
 @connection (FRISC.memDirect, directRam, Memorija.memDirect) {
-    @wires{INT}
-    @wires{INT}
+    @attribute procConn string default "INT" {
+        @popup automatic {
+            @title "Frisc INT"
+            @text "Processor interupt 1"
+        }
+    }
+    @attribute memConn string default "INT" {
+        @popup automatic {
+            @title "Mem INT"
+            @text "Memory interupt 1"
+        }
+    }
+
+    @wires{"INT", null, 1, "INT2"}
+    @wires{"INT", null, 1, "INT2"}
 }
\ No newline at end of file
diff --git a/examples/simplified FRISC model/schema3.csl b/examples/simplified FRISC model/schema3.csl
index 28ba8ba..400c0fc 100644
--- a/examples/simplified FRISC model/schema3.csl	
+++ b/examples/simplified FRISC model/schema3.csl	
@@ -2,13 +2,28 @@
 
 @schema {
 	@instance procesor FRISC {
-		@position (-112, -89)
-		@attribute _memory memorija2
+		@position (-464, -314)
+		@attribute _memory null
 	}
 
-	@instance procesor FRISC {
-   		@position (112, -89)
-   		@attribute _memory null
-    }
+	@instance dma DMA {
+		@position (-269, 46)
+		@attribute pocetnaAdresa 0
+	}
 
+	@instance glavnaSabirnica glavnaSabirnica {
+		@position (-579, -160)
+		@size 100
+	}
+
+	@instance PIOSabirnica PIOSabirnica {
+		@position (0, 0)
+		@size 0
+	}
+
+	@connection (dma.glavniPin, glavnaSabirnica) {
+		@attribute interupt INT2
+	}
+	@connection (dma.glavniPin, PIOSabirnica, procesor.glavniPin) {
+	}
 }
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 14e1f3b..fba4ca6 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -135,7 +135,7 @@ void MainWindow::onGenerateComdel() {
         formatErrors(validationErrors, buff);
         log->appendPlainText(QString::fromStdString(buff.str()));
 
-        if(Application::hasErrors(validationErrors)) {
+        if(!Application::hasErrors(validationErrors)) {
             std::ofstream out(filename.toStdString(), std::ios::out | std::ios::binary);
             out<<output.str();
             out.close();