1 files changed, 1 insertions, 2 deletions
diff --git a/opcode.h b/opcode.h
index cd883d4..1c11ca5 100644
--- a/opcode.h
+++ b/opcode.h
@@ -56,8 +56,7 @@ struct sux {
 	union reg ps; /* The processor status register. */
 	uint64_t a, b, y, x; /* Registers A, B, X, and Y. */
 	uint64_t pc; /* Program counter. */
-	uint16_t sp; /* Stack pointer. */
-	uint16_t stk_st; /* Starting address of each threads stack. */
+	uint64_t sp; /* Stack pointer. */
 	uint64_t clk; /* Number of clock cycles.  */
 	uint8_t crt; /* Current running threads. */
 };