Load hex program code to ram

MainForm.cs

@@ -8,6 +8,8 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
+using static processor.Extensions;
+
 namespace processor
 {
     public partial class MainForm : Form
@@ -23,7 +25,64 @@ namespace processor
         {
             ramList.Items.Clear();
             for (int i = 0; i < 256; i++)
-                ramList.Items.Add(string.Format("{0}: {1}", Convert.ToString(i, 2).PadLeft(8, '0'), "00000000"));
+                ramList.Items.Add(string.Format("{0}: {1}", Convert.ToString(i, 16).PadLeft(2, '0'), "00"));
         }
+
+        #region RAM
+        private void ReadRam(int address, string value)
+        {
+
+        }
+
+        private void WriteRam(int address, string hexValue)
+        {
+            ramList.Items[address] = string.Format("{0}: {1}", CnvRespectfully(address.ToString()), hexValue);
+        }
+        #endregion
+
+        private string CnvRespectfully(string value)
+        {
+            if (radHex.Checked is true) return value.Hex2Int().ToHex2();
+            else throw new NotImplementedException();
+        }
+
+        /// <summary>
+        /// Parses and loads instructions to ramList
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void btnLoad_Click(object sender, EventArgs e)
+        {
+            List<string> instructionList = new List<string>();
+
+            if (!string.IsNullOrWhiteSpace(txtCode.Text))
+            {
+                List<string> inputLines = txtCode.Text.Trim().Split((char)10, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
+                inputLines = (from x in inputLines select RemoveComment(x)).ToList(); // removes comments from lines
+                instructionList = (from x in inputLines where string.IsNullOrEmpty(x) is false select x).ToList(); // drops empty elements
+            }
+
+            if (radHex.Checked is true)
+            {
+                instructionList = (from x in instructionList select RemoveLeading(x)).ToList();
+                List<string> inst = new();
+                for (int i = 0; i < instructionList.Count; i++)
+                {
+                    IEnumerable<string> enm = instructionList[i].Split2();
+                    inst.Add(enm.ElementAt(0));
+                    inst.Add(enm.ElementAt(1)); // i am quite sure that there is a much better approach but it's 1 am and i'm tired af
+                }
+                for (int i = 0; i < inst.Count; i++)
+                {
+                    WriteRam(i, inst[i]);
+                }
+            }
+            else
+            {
+
+            }
+        }
+
+        private void btnClear_Click(object sender, EventArgs e) => InitializeRamList();
     }
 }