diff --git a/Machines/Amiga/Blitter.cpp b/Machines/Amiga/Blitter.cpp
index 671398ba6..82316b4be 100644
--- a/Machines/Amiga/Blitter.cpp
+++ b/Machines/Amiga/Blitter.cpp
@@ -59,6 +59,11 @@ uint16_t Blitter::get_status() {
 }
 
 bool Blitter::advance() {
+	if(!height_) return false;
+
+	printf("!!! %08x\n", pointer_[3]);
 	ram_[pointer_[3] & ram_mask_] = 0xffff;
-	return false;
+	--height_;
+
+	return true;
 }
diff --git a/Machines/Amiga/Chipset.cpp b/Machines/Amiga/Chipset.cpp
index 52c3213fc..dba3ac3d8 100644
--- a/Machines/Amiga/Chipset.cpp
+++ b/Machines/Amiga/Chipset.cpp
@@ -378,6 +378,7 @@ template <bool stop_on_cpu> int Chipset::advance_slots(int first_slot, int last_
 		C10(200);	C10(210);
 		C(220);		C(221);		C(222);		C(223);		C(224);
 		C(225);		C(226);		C(227);		C(228);
+		break;
 
 		default: assert(false);
 	}