2 files changed, 4 insertions, 2 deletions
diff --git a/qtmips_machine/qtmipsmachine.cpp b/qtmips_machine/qtmipsmachine.cpp
index 68eeeca..e838429 100644
--- a/qtmips_machine/qtmipsmachine.cpp
+++ b/qtmips_machine/qtmipsmachine.cpp
@@ -214,7 +214,9 @@ LcdDisplay *QtMipsMachine::peripheral_lcd_display() {
     return perip_lcd_display;
 }
 
-const SymbolTable *QtMipsMachine::symbol_table() {
+const SymbolTable *QtMipsMachine::symbol_table(bool create) {
+    if (create && (symtab == nullptr))
+        symtab = new SymbolTable;
     return symtab;
 }
 
diff --git a/qtmips_machine/qtmipsmachine.h b/qtmips_machine/qtmipsmachine.h
index ef96e09..e5bbdb3 100644
--- a/qtmips_machine/qtmipsmachine.h
+++ b/qtmips_machine/qtmipsmachine.h
@@ -76,7 +76,7 @@ public:
     SerialPort *serial_port();
     PeripSpiLed *peripheral_spi_led();
     LcdDisplay *peripheral_lcd_display();
-    const SymbolTable *symbol_table();
+    const SymbolTable *symbol_table(bool create = false);
     void set_symbol(QString name, std::uint32_t value, std::uint32_t size,
                     unsigned char info = 0, unsigned char other = 0);
     const Core *core();