#ifndef I8085_H
#define I8085_H

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>

typedef uint8_t u8;
typedef int8_t s8;
typedef uint16_t u16;
typedef int16_t s16;

typedef struct i8085 i8085;
struct i8085 {
    u16 pc,sp;                    // program counter, stack pointer
    u8 a,b,c,d,e,h,l;             // registers
    bool sf,zf,hf,pf,cf,iff;      // flags: sign,zero,half-carry,parity,carry,interrupt flip-flop
    // 8085 Hardware
    bool sid,p75,p65,p55,ie;
    bool sod,sde,r75,mse;
    bool m75,m65,m55;

    unsigned long cyc;       // cycle count
    bool halted;
    bool interrupt_pending;
    u8 interrupt_vector;     // Not multi-byte!
    u8 interrupt_delay;

    // memory + io interface
    u8 (*read_byte)(i8085*, u16);
    void (*write_byte)(i8085*, u16, u8);
    u8 (*port_in)(i8085*, u8);
    void (*port_out)(i8085*, u8, u8);
};

void i8085_init(i8085* cpu);
void i8085_step(i8085* cpu);
void i8085_interrupt(i8085* cpu, u8 opcode);
void i8085_restart(i8085* cpu,u8 RST);
bool i8085_serial(i8085* cpu,bool SID);    // Serial I/O

void i8085_debug_output(i8085* cpu);

#endif  // I8085_H