Impl emulator stepping with GDB

1 files changed, 12 insertions, 10 deletions

diff --git a/bus.cpp b/bus.cpp
index caff07c..aef20a4 100644
--- a/bus.cpp
+++ b/bus.cpp
@@ -3,6 +3,7 @@
 
 #include "bus.hpp"
 #include "musashi-m68k/m68k.h"
+#include "utils.hpp"
 
 #include <cassert>
 #include <cstdarg>
@@ -62,34 +63,35 @@ static inline unsigned int memory_read_concrete(
             (base[address + 2] << 8) |
             base[address + 3];
     }
-    __builtin_unreachable();
+    UNREACHABLE();
 }
 
 static inline struct read_result memory_read(
         enum bitness bitness,
         unsigned int address)
 {
-    if (is_in_range(address, ROM_START, ROM_SIZE))
-        return (struct read_result){
+    if (is_in_range(address, ROM_START, ROM_SIZE)) {
+        return read_result{
             memory_read_concrete(bitness, g_rom, address - ROM_START),
             true,
         };
-    else if (is_in_range(address, RAM_START, RAM_SIZE))
-        return (struct read_result){
+    } else if (is_in_range(address, RAM_START, RAM_SIZE)) {
+        return read_result{
             memory_read_concrete(bitness, g_ram, address - RAM_START),
             true,
         };
-    else if (is_in_range(address, IO1_START, IO1_SIZE))
-        return (struct read_result){
+    } else if (is_in_range(address, IO1_START, IO1_SIZE)) {
+        return read_result{
             memory_read_concrete(bitness, g_io1, address - IO1_START),
             true,
         };
-    else if (is_in_range(address, IO2_START, IO2_SIZE))
-        return (struct read_result){
+    } else if (is_in_range(address, IO2_START, IO2_SIZE)) {
+        return read_result{
             memory_read_concrete(bitness, g_io2, address - IO2_START),
             true,
         };
-    return (struct read_result){0, false};
+    }
+    return read_result{0, false};
 }
 
 static inline void memory_write_concrete(