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-rw-r--r--qdme.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/qdme.h b/qdme.h
new file mode 100644
index 0000000..50652f0
--- /dev/null
+++ b/qdme.h
@@ -0,0 +1,50 @@
+#ifndef _QDME_H
+#define _QDME_H
+
+#include <stdint.h>
+
+#define MEM_SIZE 36
+#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
+