1 files changed, 154 insertions, 0 deletions
diff --git a/src/cpicoblaze.h b/src/cpicoblaze.h
new file mode 100755
index 0000000..f792f23
--- /dev/null
+++ b/src/cpicoblaze.h
@@ -0,0 +1,154 @@
+
+#ifndef CPICOBLAZE
+#define CPICOBLAZE
+
+#include <iostream>
+#include <list>
+
+using namespace std ;
+
+class CPicoBlaze ;
+class CInstruction ;
+
+#include "types.h"
+#include "cinstruction.h"
+#include "hexcodes.h"
+
+#define MAX_ADDRESS		0x400
+#define STACK_DEPTH		31
+#define SCRATCHPAD_SIZE	64
+
+#define PortReadable 1
+#define PortWriteable 2
+class CIOPort
+{
+	public:
+	
+		CIOPort( uint8_t id )  { m_id = id ; m_mode = 0 ; }
+		
+		virtual void Out( uint8_t val ) = 0 ;
+		virtual uint8_t In() = 0 ;
+	
+		uint8_t getID() { return m_id ; }
+		void setID( uint8_t id ) { m_id = id ; }
+		void setMode( int mode ) { m_mode = mode ; }
+		int getMode() { return m_mode ; }
+		bool isReadable() { return (m_mode & PortReadable) != 0 ; }
+		bool isWriteable() { return (m_mode & PortWriteable) != 0 ; }
+
+	private:
+		uint8_t m_id ;
+		int m_mode ;
+} ;
+
+class CProgramCounter {
+	public:
+		CProgramCounter() ;
+ 		~CProgramCounter() ;
+		
+		void Next() ;
+		void Set( uint16_t address ) ;
+		uint16_t Get() ;
+
+	protected:
+		uint16_t pc ;
+} ;
+
+class CScratchPad {
+	public:
+		CScratchPad() ;
+		~CScratchPad() ;
+
+		uint8_t Get( uint8_t address ) ;
+		void Set( uint8_t address, uint8_t data ) ;
+
+	protected:
+		uint8_t ram[ SCRATCHPAD_SIZE ] ;
+} ;
+
+class CStack {
+	public:
+		CStack() ;
+		~CStack() ;
+
+		void Push( uint16_t value ) ;
+		uint16_t Pop() ;
+		void Reset() ;
+
+	protected:
+		uint16_t stack[ STACK_DEPTH ] ;
+		uint8_t ptr ;
+} ;
+
+class CPort {
+	public:
+		CPort() ;
+		~CPort() ;
+
+		void PortID( uint8_t id ) { portid = id ; } ;
+		uint8_t PortIn() ;
+		void PortOut( uint8_t data ) ;
+	
+		void addPort( CIOPort * port ) ;
+		void deletePort( CIOPort * port ) ;
+		
+	protected:
+		uint16_t portid ;
+
+		list<CIOPort*> portList ;
+	
+} ;
+
+class CCode {
+	public:
+		CCode( CPicoBlaze *cpu ) ;
+		~CCode() ;
+
+		bool setInstruction( uint16_t address, uint32_t code, unsigned int sourceLine  ) ;
+		CInstruction *getInstruction( uint16_t address ) ;
+	
+		void ClearCode() ;
+		void Print() ;	
+			
+		CInstruction * Disassemble( uint32_t code ) ;
+	
+	protected:
+		CPicoBlaze *m_cpu ;
+		
+		CInstruction * CodeMap[ MAX_ADDRESS ] ;
+} ;
+
+class CPicoBlaze {
+		
+	public:		
+		CPicoBlaze() ;
+		~CPicoBlaze() ;
+	
+		unsigned int GetNextSourceLine() ;
+		bool Next() ;
+		void Reset() ;
+		void Interrupt() ;
+		void Print() ;
+				
+		void addPort( CIOPort * ioport ) ;
+		void deletePort( CIOPort * ioport ) ;
+		
+		uint8_t s[ 16 ] ;
+		struct _flags {
+			bool zero ;
+			bool carry ;
+			bool interrupt_enable ;
+
+			bool preserved_zero ;
+			bool preserved_carry ;
+		} flags ;
+
+		CProgramCounter	*pc ;
+		CScratchPad 	*scratch ;
+		CStack 			*stack ;
+		CPort			*port ;
+		CCode			*code ;
+} ;
+
+#endif
+