/* 
 * No actual license.
 * However, I disallow you to use this code for ANY purpose, be it in your own applications or redistributing 
 * it in either binary or source form. ^.^ 
 */

// Inclusion Check

#ifndef _Inc_Op_

#define _Inc_Op_



// -- Includes --



// C++

#include <cstdlib>

#include <iostream>



// -- Defines --

	// Param in Opcode
	#define FirstParam    RAM->GetMemory(CPU->PC + 1)

	#define SecondParam   RAM->GetMemory(CPU->PC + 2)
	// Different Addressing Modes -- Value
	#define _ZeroPage 	  ZeroPageValue(FirstParam)
	#define _ZeroPageX 	  ZeroPageValue(FirstParam, CPU->X)
	#define _Absolute 	  AbsoluteValue(FirstParam, SecondParam)
	#define _AbsoluteX 	  AbsoluteValue(FirstParam, SecondParam, CPU->X)
	#define _AbsoluteY 	  AbsoluteValue(FirstParam, SecondParam, CPU->Y)
	#define _IndirectX 	  IndirectXValue(FirstParam)
	#define _IndirectY 	  IndirectYValue(FirstParam)
	// Different Addressing Modes -- Pointer
	#define _ZeroPagePtr  RAM->GetMemoryPtr(FirstParam);
	#define _ZeroPageXPtr RAM->GetMemoryPtr(ZeroPageAddress(FirstParam, CPU->X));
	#define _AbsolutePtr  RAM->GetMemoryPtr(AbsoluteAddress(FirstParam, SecondParam));
	#define _AbsoluteXPtr RAM->GetMemoryPtr(AbsoluteAddress(FirstParam, SecondParam, CPU->X));
	#define _AbsoluteYPtr RAM->GetMemoryPtr(AbsoluteAddress(FirstParam, SecondParam, CPU->Y));
	#define _IndirectXPtr RAM->GetMemoryPtr(IndirectXAddress(FirstParam));
	#define _IndirectYPtr RAM->GetMemoryPtr(IndirectYAddress(FirstParam));




// -- Name Space -- 

namespace Opcodes

{

    

    // -- Structs --

    

    // -- Variables --

    

    // -- Functions --

    

    // Load / Store

        void LDA(unsigned char Mem); // Set Accumulator

        void LDX(unsigned char Mem); // Set X

        void LDY(unsigned char Mem); // Set Y

        void STA(unsigned char* Mem); // Store Accumulator

        void STX(unsigned char* Mem); // Store X

        void STY(unsigned char* Mem); // Store Y

        

    // Register Transfers

        void pop_Tranfer(unsigned char From, unsigned char* To, bool bSetFlags); // All can be done in one function, pseudo-opcode.

        

    //  Stack Operations

        // TSX/TXS - Can use the Psuedo-Register tranfer function.   

        void PHA(); // Push Accumulator onto stack

        void PHP(); // Push Processor Status onto stack

        void PLA(); // Pull Accumulator from stack

        void PLP(); // Pull Processor Status from stack

        

    // Logical

        void AND(unsigned char Mem); // Logical AND

        void EOR(unsigned char Mem); // Logical Exclusive OR

        void ORA(unsigned char Mem); // Logical OR

        void BIT(unsigned char Mem); // Bittest

        

    // Arithmetic

        void ADC(unsigned char Mem); // Add with carry

        void SBC(unsigned char Mem); // Subtract with carry

        void CMPXY(unsigned char Register, unsigned char Mem); // Join function for CMP/X/Y.

        

    // Increments / Decrements

        void INC(unsigned char* Mem); // Joint function for INC/X/Y

        void DEC(unsigned char* Mem); // Joint function for DEC/X/Y   

        

    // Shifts / Rotates

        void ASL(unsigned char* Mem); // Arithmetic Shift Left

        void LSR(unsigned char* Mem); // Logical Shift Right

        void ROR(unsigned char* Mem); // Rotate Right

        void ROL(unsigned char* Mem); // Rotate left    

                

    // Jumps & Calls

        void JMP(unsigned short Adr); // Jump to Adr

        void JSR(unsigned short Adr); // Save PC/Status to flag and jump

        void RTS(); // Pull PC/Status from stack 

        

    // Branches

        void BCC(unsigned char Loc); // Branch if carry flag clear

        void BCS(unsigned char Loc); // Branch if carry flag set

        void BEQ(unsigned char Loc); // Branch if zero flag set

        void BNE(unsigned char Loc); // Branch if zero flag clear       

        void BMI(unsigned char Loc); // Branch if negative flag set

        void BPL(unsigned char Loc); // Branch if negative flag clear

        void BVS(unsigned char Loc); // Branch if overflow flag set

        void BVC(unsigned char Loc); // Branch if overflow flag clear

        

    // Status Flag Changes

        void CLC(); // Clear carry flag

        void CLD(); // Clear decimal flag

        void CLI(); // Clear interrupt disable flag

        void CLV(); // Clear overflow flag

        void SEC(); // Set carry flag

        void SED(); // Set decimal mode flag

        void SEI(); // Set interrupt disable flag    



    // System Functions

        void BRK(); // Force an interrupt

        void RTI(); // Return from interupt

        // No NOP, as why bother!?



    // Other

        // Flags

        void SetFlags(unsigned char Mem);    

        // Switch Opcodes

        void SwitchOpcodes();

        



// </Namespace>

}



// Inclusion check

#endif