2 files changed, 17 insertions, 0 deletions
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
index 502fa81..6792aa6 100644
--- a/qtmips_machine/instruction.cpp
+++ b/qtmips_machine/instruction.cpp
@@ -1073,6 +1073,9 @@ ssize_t Instruction::code_from_string(std::uint32_t *code, size_t buffsize,
                        std::uint32_t inst_addr, RelocExpressionList *reloc,
                        int line, bool pseudo_opt, int options)
 {
+    if (str_to_instruction_code_map.isEmpty())
+        instruction_from_string_build_base();
+
     int field = 0;
     std::uint32_t inst_code = 0;
     auto i = str_to_instruction_code_map.lowerBound(inst_base);
@@ -1321,3 +1324,14 @@ bool Instruction::update(std::int64_t val, RelocExpression *relocexp) {
     dt |= (val << relocexp->lsb_bit) & mask;
     return true;
 }
+
+void Instruction::append_recognized_instructions(QStringList &list) {
+    if (str_to_instruction_code_map.isEmpty())
+        instruction_from_string_build_base();
+
+    foreach (const QString &str, str_to_instruction_code_map.keys())
+        list.append(str);
+    list.append("LA");
+    list.append("LI");
+    list.append("NOP");
+}
diff --git a/qtmips_machine/instruction.h b/qtmips_machine/instruction.h
index 76fca87..101d82f 100644
--- a/qtmips_machine/instruction.h
+++ b/qtmips_machine/instruction.h
@@ -38,6 +38,7 @@
 
 #include <QObject>
 #include <QString>
+#include <QStringList>
 #include <QVector>
 
 #include "machinedefs.h"
@@ -159,6 +160,8 @@ public:
                            int line = 0, bool pseudo_opt = false, int options = 0);
 
     bool update(std::int64_t val, RelocExpression *relocexp);
+
+    static void append_recognized_instructions(QStringList &list);
 private:
     std::uint32_t dt;
 };