1 files changed, 3 insertions, 3 deletions
diff --git a/bus.hpp b/bus.hpp
index 6d87da3..9745073 100644
--- a/bus.hpp
+++ b/bus.hpp
@@ -15,8 +15,8 @@
 #define SOUND_RAM_SIZE  (0x2000)
 #define IO1_START       (0xA10000)
 #define IO1_SIZE        (0x4004)
-#define IO2_START       (0xC00000)
-#define IO2_SIZE        (0x20)
+#define VDP_START       (0xC00000)
+#define VDP_SIZE        (0x20)
 
 struct Breakpoint {
     uint32_t offset, length;
@@ -26,5 +26,5 @@ extern unsigned char g_rom[ROM_SIZE];
 extern unsigned char g_ram[RAM_SIZE];
 extern unsigned char g_sound_ram[SOUND_RAM_SIZE];
 extern unsigned char g_io1[IO1_SIZE];
-extern unsigned char g_io2[IO2_SIZE];
+extern unsigned char g_io2[VDP_SIZE];
 extern std::vector<Breakpoint> code_bkpts, read_bkpts, write_bkpts, access_bkpts;