Impl access watchpoint

1 files changed, 20 insertions, 0 deletions

diff --git a/emulator.cpp b/emulator.cpp
index ea2c051..7e0d1b3 100644
--- a/emulator.cpp
+++ b/emulator.cpp
@@ -299,6 +299,16 @@ static inline bool ranges_overlap(
 // XXX Maybe better move it to bus.cpp?
 void m68k_read_callback(const uint32_t address, const uint32_t size)
 {
+    const auto access_it = std::find_if(
+            access_bkpts.begin(),
+            access_bkpts.end(),
+            [&](const Breakpoint& b) { return ranges_overlap(address, size, b.offset, b.length); });
+    if (access_it != access_bkpts.end()) {
+        g_m68k_debug.SetRunning(false);
+        g_m68k_debug.RaiseBreakpoint();
+        m68k_end_timeslice();
+        printf("Access watchpoint @ 0x%08x\n", address);
+    }
     const auto it = std::find_if(
             read_bkpts.begin(),
             read_bkpts.end(),
@@ -314,6 +324,16 @@ void m68k_read_callback(const uint32_t address, const uint32_t size)
 // XXX Maybe better move it to bus.cpp?
 void m68k_write_callback(const uint32_t address, const uint32_t size)
 {
+    const auto access_it = std::find_if(
+            access_bkpts.begin(),
+            access_bkpts.end(),
+            [&](const Breakpoint& b) { return ranges_overlap(address, size, b.offset, b.length); });
+    if (access_it != access_bkpts.end()) {
+        g_m68k_debug.SetRunning(false);
+        g_m68k_debug.RaiseBreakpoint();
+        m68k_end_timeslice();
+        printf("Access watchpoint @ 0x%08x\n", address);
+    }
     const auto it = std::find_if(
             write_bkpts.begin(),
             write_bkpts.end(),