- [NEW] zxscreen

- [NEW] F8 para execució
- [NEW] F5 continua execució
- [NEW] ULA synch interrupt
- [NEW] Break on read/write
- [FIX] INC8 and DEC8 did wrong flags calculations
- [FIX] INCMEM8 and DECMEM8 did no flags calculation at all
- [NEW] Flags visualization
- [DEL] run command replaced by cont command
- [NEW] reset command
- [NEW] Breakpoint delete command

z80.h

@@ -6,6 +6,8 @@ namespace z80
 {
     void reset(uint8_t* mem);
     void connect_port(int num, int (*in_ptr)(), void (*out_ptr)(int));
+    void interrupt();
+    
     uint32_t step();
 
     uint8_t *getMem();