--- nono/m680x0/testacc.cpp	2026/04/29 17:05:15	1.1.1.5
+++ nono/m680x0/testacc.cpp	2026/04/29 17:05:26	1.1.1.6
@@ -429,7 +429,7 @@ test_addx_32(m68030acc& acc)
 		bool  expZ = addx32_table[i].expZ;
 		bool  expV = addx32_table[i].expV;
 		bool  expC = addx32_table[i].expC;
-		sprintf(where, "%08x + %08x + %d", src, dst, inX);
+		snprintf(where, sizeof(where), "%08x + %08x + %d", src, dst, inX);
 
 		acc.SetX(inX);
 		acc.SetZ(true);