Rename IO2 to VDP, enable VDP rw trace

2 files changed, 10 insertions, 8 deletions

diff --git a/bus.cpp b/bus.cpp
index 0003405..835bb56 100644
--- a/bus.cpp
+++ b/bus.cpp
@@ -22,7 +22,7 @@ unsigned char g_rom[ROM_SIZE] = {};
 unsigned char g_ram[RAM_SIZE] = {};
 unsigned char g_sound_ram[SOUND_RAM_SIZE] = {};
 unsigned char g_io1[IO1_SIZE] = {};
-unsigned char g_io2[IO2_SIZE] = {};
+unsigned char g_io2[VDP_SIZE] = {};
 std::vector<Breakpoint> code_bkpts{}, read_bkpts{}, write_bkpts{}, access_bkpts{};
 
 static void exit_error(const char* fmt, ...)
@@ -153,9 +153,10 @@ static inline struct read_result memory_read(
             memory_read_concrete(bitness, g_io1, address - IO1_START),
             true,
         };
-    } else if (is_in_range(address, IO2_START, IO2_SIZE)) {
+    } else if (is_in_range(address, VDP_START, VDP_SIZE)) {
+        printf("VDP read u%d 0x%0x\n", bitness * 8, address);
         return read_result{
-            memory_read_concrete(bitness, g_io2, address - IO2_START),
+            memory_read_concrete(bitness, g_io2, address - VDP_START),
             true,
         };
     }
@@ -230,8 +231,9 @@ static inline bool memory_write(
             }
         }
         return true;
-    } else if (is_in_range(address, IO2_START, IO2_SIZE)) {
-        memory_write_concrete(bitness, g_io2, address - IO2_START, value);
+    } else if (is_in_range(address, VDP_START, VDP_SIZE)) {
+        printf("VDP write u%d 0x%0x\n", bitness * 8, address);
+        memory_write_concrete(bitness, g_io2, address - VDP_START, value);
         return true;
     }
     return false;
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;