--- nono/vm/ram.cpp	2026/04/29 17:04:50	1.1.1.7
+++ nono/vm/ram.cpp	2026/04/29 17:04:53	1.1.1.8
@@ -24,7 +24,7 @@ std::unique_ptr<RAMDevice> gRAM;
 
 // RAM はロングワード単位でホストバイトオーダ配置なので、
 // バイトアクセス、ワードアクセス時は HLB(), HLW() マクロを使用のこと。
-std::unique_ptr<uint8[]> ram;
+std::unique_ptr<uint8[]> mainram;
 
 RAMDevice::RAMDevice()
 {
@@ -122,13 +122,21 @@ RAMDevice::Init()
 	}
 
 	ram_size = ram_size_MB * 1024 * 1024;
-	ram.reset(new uint8[ram_size]);
+	mainram.reset(new uint8[ram_size]);
 
 	// devtable[] への RAM デバイスの配置はこの後 VM::Init 側で行っている
 
 	return true;
 }
 
+bool
+RAMDevice::PowerOn()
+{
+	// XXX ノイズを用意する
+
+	return true;
+}
+
 void
 RAMDevice::ResetHard()
 {
@@ -144,7 +152,7 @@ RAMDevice::Read8(uint32 addr)
 {
 	gMPU->AddCycle(read_wait);
 	uint32 data;
-	data = ram[HLB(addr)];
+	data = mainram[HLB(addr)];
 	putlog(4, "$%08x.B -> $%02x", addr, data);
 	return data;
 }
@@ -154,7 +162,7 @@ RAMDevice::Read16(uint32 addr)
 {
 	gMPU->AddCycle(read_wait);
 	uint32 data;
-	data = *(uint16 *)&ram[HLW(addr)];
+	data = *(uint16 *)&mainram[HLW(addr)];
 	putlog(4, "$%08x.W -> $%04x", addr, data);
 	return data;
 }
@@ -164,7 +172,7 @@ RAMDevice::Read32(uint32 addr)
 {
 	gMPU->AddCycle(read_wait);
 	uint32 data;
-	data = *(uint32 *)&ram[addr];
+	data = *(uint32 *)&mainram[addr];
 	putlog(4, "$%08x.L -> $%08x", addr, data);
 	return data;
 }
@@ -173,7 +181,7 @@ uint64
 RAMDevice::Write8(uint32 addr, uint32 data)
 {
 	gMPU->AddCycle(write_wait);
-	ram[HLB(addr)] = data;
+	mainram[HLB(addr)] = data;
 	putlog(3, "$%08x.B <- $%02x", addr, data);
 	return 0;
 }
@@ -182,7 +190,7 @@ uint64
 RAMDevice::Write16(uint32 addr, uint32 data)
 {
 	gMPU->AddCycle(write_wait);
-	*(uint16 *)&ram[HLW(addr)] = data;
+	*(uint16 *)&mainram[HLW(addr)] = data;
 	putlog(3, "$%08x.W <- $%04x", addr, data);
 	return 0;
 }
@@ -191,7 +199,7 @@ uint64
 RAMDevice::Write32(uint32 addr, uint32 data)
 {
 	gMPU->AddCycle(write_wait);
-	*(uint32 *)&ram[addr] = data;
+	*(uint32 *)&mainram[addr] = data;
 	putlog(3, "$%08x.L <- $%08x", addr, data);
 	return 0;
 }
@@ -199,7 +207,7 @@ RAMDevice::Write32(uint32 addr, uint32 d
 uint64
 RAMDevice::Peek8(uint32 addr)
 {
-	return ram[HLB(addr)];
+	return mainram[HLB(addr)];
 }
 
 // アクセスウェイトを設定 (X68030 でシステムポートから呼ばれる)
@@ -387,7 +395,7 @@ RAMDevice::Load_aout(const char *name, c
 	copylen = aout.textsize + aout.datasize;
 	if (copylen >= filesize) {
 		copylen = filesize;
-		warnx("warning: Load_aout \"%s\" coruppted? "
+		warnx("warning: Load_aout \"%s\" corrupted? "
 		      "(text=%u + data=%u, filesize=%d); loading %d bytes",
 			name, aout.textsize, aout.datasize, (int)filesize, copylen);
 		/* FALLTHROUGH */