- [NEW] Afegits varios documents útils recopilats.

- [NEW] Afegida la rom de Combat.
- [NEW] Afegit mòdul "rom"
- [NEW] Ampliats stubs de "mem", "tia" i "pia"

rom.cpp

@@ -0,0 +1,40 @@
+#include "rom.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+namespace rom
+{
+    uint8_t *data = NULL;
+    int size = 0;
+    uint16_t mask = 0xffff;
+
+    void load(const char* filename)
+    {
+        if (data) free(data);
+        size = 0;
+
+        FILE* f = fopen(filename, "rb");
+        if (f) {
+            fseek(f, 0, SEEK_END);
+            size = ftell(f);
+            fseek(f, 0, SEEK_SET);
+            data = (uint8_t*)malloc(size);
+            fread(data, size, 1, f);
+            fclose(f);
+
+            if (size <= 4096) mask = size-1;
+            // [TODO] Gestionar ROMs mes grans de 4K
+        }
+    }
+
+    uint8_t read(uint16_t address)
+    {
+        return data[address & mask];
+    }
+
+    void write(uint16_t address, uint8_t value)
+    {
+        data[address & mask] = value;
+    }
+
+}