#define SR_S (1 << 1)
#define SR_T (1 << 0)
-#define FPSCR_FR (1 << 21)
-#define FPSCR_SZ (1 << 20)
-#define FPSCR_PR (1 << 19)
-#define FPSCR_DN (1 << 18)
+#define FPSCR_MASK (0x003fffff)
+#define FPSCR_FR (1 << 21)
+#define FPSCR_SZ (1 << 20)
+#define FPSCR_PR (1 << 19)
+#define FPSCR_DN (1 << 18)
+#define FPSCR_CAUSE_MASK (0x3f << 12)
+#define FPSCR_CAUSE_SHIFT (12)
+#define FPSCR_CAUSE_E (1 << 17)
+#define FPSCR_CAUSE_V (1 << 16)
+#define FPSCR_CAUSE_Z (1 << 15)
+#define FPSCR_CAUSE_O (1 << 14)
+#define FPSCR_CAUSE_U (1 << 13)
+#define FPSCR_CAUSE_I (1 << 12)
+#define FPSCR_ENABLE_MASK (0x1f << 7)
+#define FPSCR_ENABLE_SHIFT (7)
+#define FPSCR_ENABLE_V (1 << 11)
+#define FPSCR_ENABLE_Z (1 << 10)
+#define FPSCR_ENABLE_O (1 << 9)
+#define FPSCR_ENABLE_U (1 << 8)
+#define FPSCR_ENABLE_I (1 << 7)
+#define FPSCR_FLAG_MASK (0x1f << 2)
+#define FPSCR_FLAG_SHIFT (2)
+#define FPSCR_FLAG_V (1 << 6)
+#define FPSCR_FLAG_Z (1 << 5)
+#define FPSCR_FLAG_O (1 << 4)
+#define FPSCR_FLAG_U (1 << 3)
+#define FPSCR_FLAG_I (1 << 2)
+#define FPSCR_RM_MASK (0x03 << 0)
+#define FPSCR_RM_NEAREST (0 << 0)
+#define FPSCR_RM_ZERO (1 << 0)
+
#define DELAY_SLOT (1 << 0)
#define DELAY_SLOT_CONDITIONAL (1 << 1)
#define DELAY_SLOT_TRUE (1 << 2)