#![allow(dead_code, non_snake_case)]

use super::{R6502, Bus, Flags};

// uint8_t ADC();	uint8_t AND();	uint8_t ASL();	uint8_t BCC();
// uint8_t BCS();	uint8_t BEQ();	uint8_t BIT();	uint8_t BMI();
// uint8_t BNE();	uint8_t BPL();	uint8_t BRK();	uint8_t BVC();
// uint8_t BVS();	uint8_t CLC();	uint8_t CLD();	uint8_t CLI();
// uint8_t CLV();	uint8_t CMP();	uint8_t CPX();	uint8_t CPY();
// uint8_t DEC();	uint8_t DEX();	uint8_t DEY();	uint8_t EOR();
// uint8_t INC();	uint8_t INX();	uint8_t INY();	uint8_t JMP();
// uint8_t JSR();	uint8_t LDA();	uint8_t LDX();	uint8_t LDY();
// uint8_t LSR();	uint8_t NOP();	uint8_t ORA();	uint8_t PHA();
// uint8_t PHP();	uint8_t PLA();	uint8_t PLP();	uint8_t ROL();
// uint8_t ROR();	uint8_t RTI();	uint8_t RTS();	uint8_t SBC();
// uint8_t SEC();	uint8_t SED();	uint8_t SEI();	uint8_t STA();
// uint8_t STX();	uint8_t STY();	uint8_t TAX();	uint8_t TAY();
// uint8_t TSX();	uint8_t TXA();	uint8_t TXS();	uint8_t TYA();

// GROUP ONE
// 000	ORA
// 001	AND
// 010	EOR
// 011	ADC
// 100	STA
// 101	LDA
// 110	CMP
// 111	SBC

pub struct Instructions;

impl Instructions
{
    pub const GROUP_ONE_OPS: [fn(&mut R6502, &mut dyn Bus); 8] = [
        Instructions::ORA, 
        Instructions::AND,
        Instructions::EOR,
        Instructions::ADC,
        Instructions::STA,
        Instructions::LDA,
        Instructions::CMP,
        Instructions::SBC,
        ];
}

impl Instructions
{
    ///////////////////////////////////////////////////////////
    // GROUP ONE
    pub fn ORA(cpu: &mut R6502, _bus: &mut dyn Bus)
    {
        cpu.a = cpu.a | cpu.working_data;
        if cpu.a == 0
        {
            cpu.set_flag(Flags::Z);
        }

        if cpu.a & 0x80 != 0
        {
            cpu.set_flag(Flags::N);
        }
    }

    pub fn AND(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    pub fn EOR(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    pub fn ADC(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    pub fn STA(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    pub fn LDA(cpu: &mut R6502, bus: &mut dyn Bus)
    {
        cpu.a = cpu.working_data;

        if cpu.a == 0
        {
            cpu.set_flag(Flags::Z);
        }

        if cpu.a & 0x80 != 0
        {
            cpu.set_flag(Flags::N);
        }
    }

    pub fn CMP(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    pub fn SBC(cpu: &mut R6502, bus: &mut dyn Bus)
    {

    }

    ///////////////////////////////////////////////////////////
    // GROUP TWO
}