Interrupt system implemented, some new programs.

Source/Assembler/secondPass.h

@@ -12,6 +12,7 @@
 #include "Assm-util.h"
 
 #define MAX_LABELS 256
+#define MAX_VECTORS 256
 
 typedef struct {
     char* label;
@@ -19,8 +20,28 @@ typedef struct {
     int type;
 } Label;
 
+// One line of the Vector Segment, once it has been worked out.
+typedef struct {
+    char* name;        // What it was called, or NULL for a device, which is named by its port.
+    uint8_t index;     // Which vector in its table.
+    uint16_t base;     // Which table: software or hardware.
+    uint16_t handler;  // Where the handler ended up.
+} VectorEntry;
+
 void freeLabelList();
 
+void freeVectorList();
+
+// Reads the Vector Segment: allocates a number to every named vector, works out which
+// vector each device line means, and resolves the handlers. Runs after the labels are
+// known, because a handler is named by its label.
+void populateVectorTable(intermediateElement *intermediateArray, int arraySize);
+
+// Turns each vector name used as an operand of SWI into the number it was given.
+void fillInVectorReferences(intermediateElement *intermediateArray, int arraySize);
+
+int vectorCount();
+
 void populateLabelTable(intermediateElement *intermediateArray, int arraySize);
 
 void fillInLabelAddresses(intermediateElement *intermediateArray, int arraySize);