--- nono/vm/mainbus_news.cpp	2026/04/29 17:05:33	1.1.1.3
+++ nono/vm/mainbus_news.cpp	2026/04/29 17:05:50	1.1.1.5
@@ -26,12 +26,14 @@
 //   +-- XPbusDevice
 
 #include "mainbus_news.h"
+#include "buserr.h"
 #include "interrupt.h"
 #include "mainapp.h"
 #include "mainram.h"
 #include "monitor.h"
 #include "newsctlr.h"
 #include "newsio.h"
+#include "nop.h"
 #include "prom.h"
 #include "romemu_news.h"
 
@@ -87,7 +89,7 @@ NewsMainbus::InitMainbus()
 {
 	// RAM は容量が確定した後のここで配置。
 	auto mainram = dynamic_cast<MainRAMDevice *>(pMainRAM.get());
-	int ram_size_MB = mainram->GetSizeMB();
+	uint ram_size_MB = mainram->GetSizeMB();
 	int i = 0;
 	while (ram_size_MB >= 16) {
 		// 16MB 単位にとりあえずしとく