diff --git a/mvc/models.py b/mvc/models.py
index 53fec60..79424df 100644
--- a/mvc/models.py
+++ b/mvc/models.py
@@ -127,6 +127,18 @@ class VimModel:
                 self.currentCol = 0
             case "p": # Вставить после курсора
                 self.displayBuffer[self.currentLine][self.currentCol+1:self.currentCol+1] = self.exchangeBuffer
+            case "PG_UP": # Перейти на экран вверх
+                self.currentCol = 0
+                if self.currentLine > self.displayLinesCount:
+                    self.currentLine -= self.displayLinesCount
+                else:
+                    self.currentLine = 0
+            case "PG_DOWN": # Перейти на экран вниз
+                self.currentCol = 0
+                if self.currentLine + self.displayLinesCount < len(self.displayBuffer):
+                    self.currentLine += self.displayLinesCount
+                else:
+                    self.currentLine = len(self.displayBuffer) - 1
 
         return ReturnCode.GOOD