--- nono/vm/sysport.cpp	2026/04/29 17:05:20	1.1.1.11
+++ nono/vm/sysport.cpp	2026/04/29 17:05:24	1.1.1.12
@@ -16,12 +16,16 @@
 #include "power.h"
 #include "romimg_x68k.h"
 #include "sram.h"
+#include "videoctlr.h"
 #include <array>
 
 // コンストラクタ
 SysportDevice::SysportDevice()
 	: inherited(OBJ_SYSPORT)
 {
+	monitor.func = ToMonitorCallback(&SysportDevice::MonitorUpdate);
+	monitor.SetSize(56, 8);
+	monitor.Regist(ID_MONITOR_SYSPORT);
 }
 
 // デストラクタ
@@ -44,6 +48,7 @@ SysportDevice::Init()
 	mainram = GetMainRAMDevice();
 	nmi = GetNMIDevice();
 	sram = GetSRAMDevice();
+	videoctlr = GetVideoCtlrDevice();
 
 	return true;
 }
@@ -52,7 +57,6 @@ SysportDevice::Init()
 void
 SysportDevice::ResetHard(bool poweron)
 {
-	sysport.contrast = 0;	// XXX 未調査
 	sysport.ram_wait = 0;
 	sysport.rom_wait = 0;
 	sysport.key_ctrl = false;
@@ -60,14 +64,14 @@ SysportDevice::ResetHard(bool poweron)
 	GetPowerDevice()->SetSystemPowerOn(true);
 }
 
-uint64
+busdata
 SysportDevice::Read(uint32 offset)
 {
 	uint32 data;
 
 	switch (offset) {
 	 case SYSPORT::CONTRAST:
-		data = 0xf0 | sysport.contrast;
+		data = 0xf0 | videoctlr->GetContrast();
 		break;
 	 case SYSPORT::SCOPE3D:
 		data = 0xff;
@@ -102,12 +106,13 @@ SysportDevice::Read(uint32 offset)
 	return data;
 }
 
-uint64
+busdata
 SysportDevice::Write(uint32 offset, uint32 data)
 {
 	switch (offset) {
 	 case SYSPORT::CONTRAST:
-		sysport.contrast = data & 15;
+		putlog(1, "$e8e001 <- $%02x", data);
+		videoctlr->SetContrast(data & 15);
 		break;
 
 	 case SYSPORT::SCOPE3D:
@@ -129,19 +134,24 @@ SysportDevice::Write(uint32 offset, uint
 
 	 case SYSPORT::WAIT:
 	 {
-		// 設定値で保持
-		sysport.rom_wait = data >> 4;
-		sysport.ram_wait = data;
-
-		// ROM に指示。常に設定値 + 2 でよい
-		iplrom1->SetWait(sysport.rom_wait + 2);
-		iplrom2->SetWait(sysport.rom_wait + 2);
-		cgrom->SetWait(sysport.rom_wait + 2);
-		// RAM に指示。InsideOut p.124
-		int wait = sysport.ram_wait;
-		if (wait > 0)
-			wait += 2;
-		mainram->SetWait(wait);
+		uint32 rom_wait = data >> 4;
+		uint32 ram_wait = data & 0xf;
+
+		// InsideOut p.124
+		rom_wait += 2;
+		if (ram_wait > 0) {
+			ram_wait += 2;
+		}
+
+		// ROM/RAM に指示。
+		iplrom1->SetWait(rom_wait);
+		iplrom2->SetWait(rom_wait);
+		cgrom->SetWait(rom_wait);
+		mainram->SetWait(ram_wait);
+
+		// ROM/RAM への指定値で保持する。
+		sysport.rom_wait = rom_wait;
+		sysport.ram_wait = ram_wait;
 		break;
 	 }
 
@@ -188,14 +198,14 @@ SysportDevice::Write(uint32 offset, uint
 	return 0;
 }
 
-uint64
+busdata
 SysportDevice::Peek(uint32 offset)
 {
 	uint32 data;
 
 	switch (offset) {
 	 case SYSPORT::CONTRAST:
-		data = 0xf0 | sysport.contrast;
+		data = 0xf0 | videoctlr->GetContrast();
 		break;
 	 case SYSPORT::SCOPE3D:
 		data = 0xff;
@@ -228,3 +238,60 @@ SysportDevice::Peek(uint32 offset)
 	}
 	return data;
 }
+
+void
+SysportDevice::MonitorUpdate(Monitor *, TextScreen& screen)
+{
+	screen.Clear();
+
+	static const char * const name[] = {
+		"Contrast",
+		"3D Scope",
+		"Image Unit",
+		"Keyboard Control",
+		"ROM/RAM Wait",
+		"MPU/FPU Type",
+		"SRAM Protect",
+		"PowerOff Sequence",
+	};
+
+	uint8 val[8];
+	const uint32 disphex = 0x39;
+	for (int i = 0; i < 8; i++) {
+		char hex[4];
+		if ((disphex & (1U << i)) != 0) {
+			val[i] = Peek(i);
+			snprintf(hex, sizeof(hex), "%02x", val[i]);
+		} else {
+			strlcpy(hex, "--", sizeof(hex));
+		}
+
+		screen.Print(0, i, "$%06x %s: #%d %-17s:",
+			baseaddr + 1 + i * 2, hex, i, name[i]);
+	}
+
+	int x = 34;
+	// #0 Contrast
+	screen.Print(x, 0, "%2d", videoctlr->GetContrast());
+	screen.Puts(x, 1, "(Not Supported)");
+	screen.Puts(x, 2, "(Not Supported)");
+	// #3 Keyboard
+	if ((val[SYSPORT::KEY] & 0x08) != 0) {
+		screen.Puts(x, 3, "Connected");
+	} else {
+		screen.Puts(x, 3, "Not connected");
+	}
+	// #4 ROM/RAM Wait
+	screen.Print(x, 4, "ROM %2u clk, RAM %2u clk",
+		sysport.rom_wait, sysport.ram_wait);
+	// #5 MPU/FPU Type
+	screen.Puts(x, 5, "MC68030 / 25MHz");
+	// #6 SRAM
+	if (sram->IsWriteable()) {
+		screen.Puts(x, 6, "Writeable");
+	} else {
+		screen.Puts(x, 6, "Protected");
+	}
+	// #7 PowerOff
+	screen.Print(x, 7, "%d/3", sysport.pwoff_count);
+}