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#ifndef _QDME_H
#define _QDME_H
#include <stdint.h>
#define MEM_SIZE 4096
#define RA 31
#define V0 2
#define V1 3
#define A0 4
#define A1 5
#define A2 6
#define A3 7
#define WORD_SIZE 4
typedef struct {
unsigned int op: 6;
unsigned int rs: 5;
unsigned int rt: 5;
unsigned int rd: 5;
unsigned int shamt: 5;
unsigned int func: 6;
} rtype_t;
typedef struct {
unsigned int op: 6;
unsigned int rs: 5;
unsigned int rt: 5;
unsigned int imm: 16;
} itype_t;
typedef struct {
unsigned int op: 6;
unsigned int addr: 26;
} jtype_t;
typedef enum { NOP, RTYPE, ITYPE, JTYPE } type_t;
typedef struct {
type_t type;
union {
rtype_t r;
jtype_t j;
itype_t i;
uint32_t value;
};
} inst_t;
#endif
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