/**
 ********************************************************************************
 * @file    global.h
 * @brief   Defines global constants and types used in the assembler and emulator.
 ********************************************************************************
 */

#ifndef __GLOBAL__
#define __GLOBAL__
#include <stdint.h>

// Number of General Purpose Registers.
#define REGISTER_COUNT 31
// Register identifier interpreted as the 'zero register'
#define ZERO_REGISTER 31
// Size of the memory in bytes.
#define MEMORY_SIZE 2097152
// Length of the memory address in bits. 
#define MEMORY_ADDRESS_LENGTH 21
// Length of the instruction in bits.
#define INSTRUCTION_SIZE 32

// A byte is an 8-bit unsigned integer in this architecture.
typedef uint8_t byte;
// A word is a 32-bit unsigned integer in this architecture.
typedef uint32_t word;
// Double word is a 64-bit unsigned integer.
typedef uint64_t dword;

#endif