CALL and RET instructions.

Changed PSHP and POPP into CALL and RET, streamlining their use for subroutine calls.
Updated Assembler and Emulator.
New demonstration programs.

Source/Assembler/Assembler.c

@@ -71,11 +71,14 @@ void assemblerCleanup(intermediateElement *intermediateArray, int arraySize, cha
     }
     // Free the intermediateArray itself.
     free(intermediateArray);
+
     // Free the list of included files.
     freeIncludeList();
+
     // Free the list of labels.
     freeLabelList();
-    // Free the output file name.
+
+    // Free the output file name
     free(outputFileName);
 }
 

Source/Assembler/assembly.c

@@ -27,6 +27,8 @@ Instruction instruction_set[] = {
     {0x11, "BRQ"},
     {0x12, "BRA"},
     {0x13, "BRB"},
+    {0x14, "CALL"},
+    {0x15, "RET"},
     // Register Operations:
     {0x20, "RSTA"},
     {0x21, "RSTB"},
@@ -42,12 +44,10 @@ Instruction instruction_set[] = {
     {0x30, "PSHQ"},
     {0x31, "PSHA"},
     {0x32, "PSHB"},
-    {0x33, "PSHP"},
-    {0x34, "PSHD"},
-    {0x35, "POPA"},
-    {0x36, "POPB"},
-    {0x37, "POPP"},
-    {0x38, "POPD"},
+    {0x33, "PSHD"},
+    {0x34, "POPA"},
+    {0x35, "POPB"},
+    {0x36, "POPD"},
     // Data Operations:
     {0x40, "INCD"},
     {0x41, "DECD"},

Source/Assembler/secondPass.c

@@ -112,9 +112,9 @@ void populateOutputBuffers(intermediateElement *intermediateArray, int arraySize
                     Program[(*programCount)++] = intermediateArray[i].byteValue;
 
                     // Check if it's a branch instruction.
-                    if ((intermediateArray[i].byteValue & 0xF0) == 0x10) {
+                    if (((intermediateArray[i].byteValue & 0xF0) == 0x10) && (intermediateArray[i].byteValue != 0x15)){
                         if (intermediateArray[i + 1].type != LABEL) {
-                            fprintf(stderr, "Error: Branch without label.\n");
+                            fprintf(stderr, RED "Error: Branch without label.\n" RESET);
                             printf("File: %s at line %d.\n", intermediateArray[i].fileName, intermediateArray[i].lineNumber);
                             exit(1);
                         }