o irq button to bsnes menu

o trigger irq from bsnes engine
o add visual feedback in snes poc

snes/irqtest/irqtest.asm

@@ -14,6 +14,8 @@
 ; Main Code
 ;============================================================================
 
+.EQU PalNum $0000       ; Use some RAM
+
 .BANK 0 SLOT 0
 .ORG 0
 .SECTION "MainCode"
@@ -46,17 +48,17 @@ Start_do:
     ; Setup Video modes and other stuff, then turn on the screen
     jsr SetupVideo
 
-    sei
-    cop
     prints "Init done"
-    stz $3001
-    
-    cop
     
     lda #$81
     sta $4200
 
 Infinity:
+    lda PalNum
+    clc
+    adc #$01
+    and #$ff        ; If > palette starting color > 24 (00011100), make 0
+    sta PalNum
     jmp Infinity    ; bwa hahahahaha
 
 
@@ -111,6 +113,10 @@ NMIHandler:
     rti
 
 IRQHandler:
+    stz $2121
+    lda PalNum
+    sta $2122
+    sta $2122
     prints "IRQHandler"
     rti
 

tools/bsnes/snes/snes.cpp

@@ -64,6 +64,10 @@ void SNES::term() {
   snesinterface.term();
 }
 
+void SNES::irq() {
+  cpu.triggerIRQ();
+}
+
 void SNES::power() {
   snes_region = max(0, min(2, snes.config.region));
   snes_expansion = max(0, min(1, snes.config.expansion_port));

tools/bsnes/snes/snes.hpp

@@ -60,6 +60,7 @@ public:
   virtual void term();
   virtual void power();
   virtual void reset();
+  virtual void irq();
 
   virtual void frame();
   virtual void scanline();

tools/bsnes/ui_qt/base/main.cpp

@@ -12,6 +12,7 @@ void MainWindow::setup() {
       system_power_off = system_power->addAction("Off");
       system_power_off->setCheckable(true);
     system_reset = system->addAction("&Reset");
+    system_irq = system->addAction("&Irq");
     system->addSeparator();
     system_port1 = system->addMenu("Controller Port 1");
       system_port1_none = system_port1->addAction("&None");
@@ -150,6 +151,7 @@ void MainWindow::setup() {
   connect(system_power_on, SIGNAL(triggered()), this, SLOT(powerOn()));
   connect(system_power_off, SIGNAL(triggered()), this, SLOT(powerOff()));
   connect(system_reset, SIGNAL(triggered()), this, SLOT(reset()));
+  connect(system_irq, SIGNAL(triggered()), this, SLOT(irq()));
   connect(system_port1_none, SIGNAL(triggered()), this, SLOT(setPort1None()));
   connect(system_port1_joypad, SIGNAL(triggered()), this, SLOT(setPort1Joypad()));
   connect(system_port1_multitap, SIGNAL(triggered()), this, SLOT(setPort1Multitap()));
@@ -251,6 +253,7 @@ void MainWindow::loadCartridge() {
 void MainWindow::powerOn()  { utility.modifySystemState(Utility::PowerOn); }
 void MainWindow::powerOff() { utility.modifySystemState(Utility::PowerOff); }
 void MainWindow::reset()    { utility.modifySystemState(Utility::Reset); }
+void MainWindow::irq()    { utility.modifySystemState(Utility::Irq); }
 
 void MainWindow::setPort1None()       { snes.config.controller_port1 = SNES::Input::DeviceNone;       utility.updateControllers(); syncUi(); }
 void MainWindow::setPort1Joypad()     { snes.config.controller_port1 = SNES::Input::DeviceJoypad;     utility.updateControllers(); syncUi(); }

tools/bsnes/ui_qt/base/main.hpp

@@ -25,6 +25,7 @@ public:
         QAction *system_power_on;
         QAction *system_power_off;
       QAction *system_reset;
+      QAction *system_irq;
       QMenu *system_port1;
         QAction *system_port1_none;
         QAction *system_port1_joypad;
@@ -86,6 +87,7 @@ public slots:
   void powerOn();
   void powerOff();
   void reset();
+  void irq();
   void setPort1None();
   void setPort1Joypad();
   void setPort1Multitap();

tools/bsnes/ui_qt/config.cpp

@@ -54,6 +54,7 @@ public:
       string loadCartridge;
       string pauseEmulation;
       string resetSystem;
+      string triggerIrq;
       string powerCycleSystem;
       string lowerSpeed;
       string raiseSpeed;
@@ -204,6 +205,7 @@ public:
     attach(input.uiGeneral.loadCartridge     = "none",                "input.uiGeneral.loadCartridge");
     attach(input.uiGeneral.pauseEmulation    = "keyboard00.pause",    "input.uiGeneral.pauseEmulation");
     attach(input.uiGeneral.resetSystem       = "none",                "input.uiGeneral.resetSystem");
+    attach(input.uiGeneral.triggerIrq        = "none",                "input.uiGeneral.triggerIrq");
     attach(input.uiGeneral.powerCycleSystem  = "none",                "input.uiGeneral.powerCycleSystem");
     attach(input.uiGeneral.lowerSpeed        = "keyboard00.divide",   "input.uiGeneral.lowerSpeed");
     attach(input.uiGeneral.raiseSpeed        = "keyboard00.multiply", "input.uiGeneral.raiseSpeed");

tools/bsnes/ui_qt/utility/cartridge.cpp

@@ -154,6 +154,15 @@ void Utility::modifySystemState(system_state_t state) {
 
       showMessage("System was reset.");
     } break;
+    
+    case Irq: {
+        if(cartridge.loaded() == false || application.power == false) break;
+
+        application.pause = false;
+        snes.irq();
+
+        showMessage("Irq was send.");
+    } break;
   }
 
   winMain->syncUi();

tools/bsnes/ui_qt/utility/utility.hpp

@@ -26,7 +26,7 @@ public:
   bool loadCartridgeSufamiTurbo(const char*, const char *, const char*);
   void unloadCartridge();
 
-  enum system_state_t { LoadCartridge, UnloadCartridge, PowerOn, PowerOff, PowerCycle, Reset };
+  enum system_state_t { LoadCartridge, UnloadCartridge, PowerOn, PowerOff, PowerCycle, Reset, Irq };
   void modifySystemState(system_state_t state);
 
   //window.cpp