core.h

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#pragma once
 
#include <stdint.h>
#include <stdbool.h>
 
union SREG {
    uint8_t sreg; 
    struct {
        bool C: 1; 
        bool Z: 1; 
        bool N: 1; 
        bool V: 1; 
        bool S: 1; 
        bool H: 1; 
        bool T: 1; 
        bool I: 1; 
    };
};
 
union GP {
    uint8_t R[32]; 
    struct {
        uint8_t R0;  
        uint8_t R1;  
        uint8_t R2;  
        uint8_t R3;  
        uint8_t R4;  
        uint8_t R5;  
        uint8_t R6;  
        uint8_t R7;  
        uint8_t R8;  
        uint8_t R9;  
        uint8_t R10; 
        uint8_t R11; 
        uint8_t R12; 
        uint8_t R13; 
        uint8_t R14; 
        uint8_t R15; 
        uint8_t R16; 
        uint8_t R17; 
        uint8_t R18; 
        uint8_t R19; 
        uint8_t R20; 
        uint8_t R21; 
        uint8_t R22; 
        uint8_t R23; 
        uint8_t R24; 
        uint8_t R25; 
        uint16_t X;  
        uint16_t Y;  
        uint16_t Z;  
    };
};
 
struct CORE {
    union GP gp;    
    uint32_t PC;    
    uint16_t SP;    
    union SREG sreg; 
};
 
void inc_pc(struct CORE *core);