#include <stdbool.h>
#include "a64instruction_global.h"
#include "global.h"

typedef enum {
    a64inst_SINGLE_TRANSFER_SINGLE_DATA_TRANSFER = 1,
    a64inst_SINGLE_TRANSFER_LOAD_LITERAL = 0
} a64inst_SingleTransferType;

typedef enum {
    a64inst_STORE,
    a64inst_LOAD
} a64inst_TransferType;

typedef enum {
    a64inst_REGISTER_OFFSET = 2,
    a64inst_PRE_INDEXED = 1,
    a64inst_POST_INDEXED = 0,
    a64inst_UNSIGNED_OFFSET = 3
} a64inst_AddressingMode;

typedef struct {
    a64inst_TransferType transferType;
    a64inst_AddressingMode addressingMode;

    union {
        a64inst_regSpecifier offsetReg;
        uint16_t indexedOffset;
        uint16_t unsignedOffset;
    } a64inst_addressingModeData;
    
    a64inst_regSpecifier base;
} a64inst_SingleDataTransferData;

typedef struct {
    uint32_t offset;
} a64inst_LoadLiteralData;

typedef struct {
    a64inst_SingleTransferType SingleTransferOpType;
    a64inst_regType regType;
    a64inst_regSpecifier target;
    union {
        a64inst_SingleDataTransferData singleDataTransferData;
        a64inst_LoadLiteralData loadLiteralData;
    } processOpData;
} a64inst_SingleTransferData;