1 files changed, 18 insertions, 0 deletions
diff --git a/bus.hpp b/bus.hpp
new file mode 100644
index 0000000..baa65be
--- /dev/null
+++ b/bus.hpp
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: Unlicense
+ */
+
+#pragma once
+
+#define ROM_START       (0)
+#define ROM_SIZE        (0x400000)
+#define RAM_START       (0xFF0000)
+#define RAM_SIZE        (0x10000)
+#define IO1_START       (0xA10000)
+#define IO1_SIZE        (0x4004)
+#define IO2_START       (0xC00000)
+#define IO2_SIZE        (0x20)
+
+extern unsigned char g_rom[ROM_SIZE];
+extern unsigned char g_ram[RAM_SIZE];
+extern unsigned char g_io1[IO1_SIZE];
+extern unsigned char g_io2[IO2_SIZE];