- First commit:

- [NEW] Afegit el mòdul "acabat" del 6502
- [NEW] Afegit el módul "atari2600" director
- [NEW] Afeggits stubs de display, speaker, mem, tia i pia

atari2600.cpp

@@ -0,0 +1,81 @@
+#include "atari2600.h"
+#include "6502m.h"
+#include "mem.h"
+#include "tia.h"
+#include "pia.h"
+#include "display.h"
+#include "speaker.h"
+//#include "keyboard.h"
+//#include "z80debugger.h"
+
+namespace atari2600
+{
+    static bool should_exit = false;
+    static bool paused = false;
+
+    void init()
+    {
+        paused = false;
+        m6502::reset();
+        mem::reset();
+        tia::reset();
+        pia::reset();
+
+        display::init();
+        speaker::init();
+        //speaker::register_source(psg::get_sample);
+        //speaker::register_source(keyboard::get_sample);
+    }
+
+    void quit()
+    {
+        should_exit = true;
+    }
+
+    void step()
+    {
+        uint8_t t_states;
+        uint16_t pc = m6502::getPC();
+
+//        if (z80debugger::isbreak(pc, 9)) {
+//            msx::pause();
+//            z80debugger::show();
+//            return;
+//        } else {
+            bool instruction_done = false;
+            while (!instruction_done) {
+                instruction_done = m6502::tick();
+                tia::tick();
+                tia::tick();
+                tia::tick();
+                pia::tick();
+                t_states++;
+            }
+            //speaker::update(t_states);
+//        }
+    }
+
+    void pause()
+    {
+        display::setTitle(" (paused)");
+        paused = true;
+        display::redraw();
+    }
+
+    void resume()
+    {
+        display::setTitle("");
+        paused = false;
+    }
+
+    bool is_paused()
+    {
+        return paused;
+    }
+
+    bool is_quitting()
+    {
+        return should_exit;
+    }
+
+}