diff --git a/desmume/src/utils/arm_jit/arm64_emit.cpp b/desmume/src/utils/arm_jit/arm64_emit.cpp
index 5f37bb37d..ab5ee922c 100755
--- a/desmume/src/utils/arm_jit/arm64_emit.cpp
+++ b/desmume/src/utils/arm_jit/arm64_emit.cpp
@@ -710,8 +710,8 @@ static void emit_negs(t_bytes *out, int rs, int rt)
 
 static void emit_mvns(t_bytes *out, int rs,int rt)
 {
-  output_w32(out, 0x2a200000|rs<<16|WZR<<5|rt);
-  emit_cmp(out, rt, rt);
+	output_w32(out, 0x2A2003E0|rs<<16|WZR<<5|rt);
+	emit_cmpimm(out, rt, 0);
 }
 
 static void emit_zeroreg(t_bytes *out, int rt)
diff --git a/desmume/src/utils/arm_jit/arm_jit_arm.cpp b/desmume/src/utils/arm_jit/arm_jit_arm.cpp
index e4bf0be4c..b205a324e 100755
--- a/desmume/src/utils/arm_jit/arm_jit_arm.cpp
+++ b/desmume/src/utils/arm_jit/arm_jit_arm.cpp
@@ -3253,8 +3253,9 @@ static int OP_SUB_REG(const u32 i)
 //-----------------------------------------------------------------------------
 static int OP_ADC_REG(const u32 i)
 {
-	reg_pos_thumb(3, tmp, VALUE);
+	
 	GET_CARRY(0);
+	reg_pos_thumb(3, tmp, VALUE);
 	reg_pos_thumb(0, tmp2, VALUE);
 	emit_adcs(g_out, tmp2, tmp, tmp2);
 	emit_write_ptr32_regptrTO_regFROM(g_out, CACHED_PTR(reg_pos_thumb(0, R1, ADDRESS)), tmp2);
@@ -3268,8 +3269,8 @@ static int OP_ADC_REG(const u32 i)
 //-----------------------------------------------------------------------------
 static int OP_SBC_REG(const u32 i)
 {
-	reg_pos_thumb(3, tmp, VALUE);
 	GET_CARRY(1);
+	reg_pos_thumb(3, tmp, VALUE);
 	reg_pos_thumb(0, tmp2, VALUE);
 	emit_sbcs(g_out, tmp2, tmp, tmp2);
 	emit_write_ptr32_regptrTO_regFROM(g_out, CACHED_PTR(reg_pos_thumb(0, R1, ADDRESS)), tmp2);