diff --git a/CMakeLists.txt b/CMakeLists.txt
index b05919d..d0718f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,8 @@ if (ANDROID)
     src/android/nact_android.cpp
     src/generic/mako.cpp
     )
-  target_link_libraries(system3 PRIVATE SDL2 SDL2_ttf SDL2_mixer ymfm)
+  find_library(ndk_log log)
+  target_link_libraries(system3 PRIVATE SDL2 SDL2_ttf SDL2_mixer ymfm ${ndk_log})
 
 elseif (EMSCRIPTEN)
   add_executable(system3)
@@ -216,7 +217,5 @@ if(NINTENDO_SWITCH)
   )
 endif()
 
-target_compile_definitions(system3 PRIVATE
-  $<$<CONFIG:Debug>:_DEBUG_CONSOLE>
-  RESOURCE_PATH="${RESOURCE_PATH}")
+target_compile_definitions(system3 PRIVATE RESOURCE_PATH="${RESOURCE_PATH}")
 target_include_directories(system3 PRIVATE src src/sys)
diff --git a/README.md b/README.md
index e3e4265..3cec21f 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,9 @@ for translation or other purposes. The available modes are:
 Suppress text hook on specified scenario pages. _list_ is a comma-separated list
 of page numbers.
 
+#### `-trace`
+Enables trace mode, which prints debug information to the console.
+
 #### `-game` _game_id_
 As System1-3 have slight variations depending on the game, `system3` uses the
 fingerprint of the scenario file (ADISK.DAT) to identify the game being played.
diff --git a/src/android/nact_android.cpp b/src/android/nact_android.cpp
index 86a6a07..66a6007 100644
--- a/src/android/nact_android.cpp
+++ b/src/android/nact_android.cpp
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <android/log.h>
 #include "nact.h"
 #include "encoding.h"
 #include "jnihelper.h"
@@ -36,15 +37,12 @@ void NACT::platform_finalize()
 {
 }
 
-void NACT::output_console(const char *format, ...)
+void NACT::trace(const char *format, ...)
 {
-#if defined(_DEBUG_CONSOLE)
 	va_list ap;
-
 	va_start(ap, format);
-	vfprintf(stdout, format, ap);
+	__android_log_vprint(ANDROID_LOG_INFO, "system3", format, ap);
 	va_end(ap);
-#endif
 }
 
 void NACT::set_skip_menu_state(bool enabled, bool checked)
diff --git a/src/config.cpp b/src/config.cpp
index 9b25f2d..5a2440a 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -156,6 +156,8 @@ Config::Config(int argc, char *argv[])
 		else if (strcmp(argv[i], "-debugger") == 0)
 			debugger_mode = parse_debugger_mode(argv[++i]);
 #endif
+		else if (strcmp(argv[i], "-trace") == 0)
+			trace = true;
 		else if (strcmp(argv[i], "-texthook") == 0)
 			texthook_mode = parse_texthook_mode(argv[++i]);
 		else if (strcmp(argv[i], "-texthook_suppress") == 0)
@@ -222,6 +224,8 @@ void Config::load_ini()
 			else if (!strcasecmp(key, "debugger"))
 				debugger_mode = parse_debugger_mode(val, lineno);
 #endif
+			else if (!strcasecmp(key, "trace"))
+				trace = to_bool(val, lineno);
 			else if (!strcasecmp(key, "texthook"))
 				texthook_mode = parse_texthook_mode(val, lineno);
 			else if (!strcasecmp(key, "texthook_suppress"))
diff --git a/src/config.h b/src/config.h
index 315bdfe..b1f830b 100644
--- a/src/config.h
+++ b/src/config.h
@@ -42,6 +42,7 @@ struct Config {
 	std::string title;
 	int midi_device = -1;
 	bool print_version = false;
+	bool trace = false;
 	bool use_fm = false;
 	bool no_antialias = false;
 	bool scanline = false;
diff --git a/src/debugger/dap_frontend.cpp b/src/debugger/dap_frontend.cpp
index eb50d49..e9baded 100644
--- a/src/debugger/dap_frontend.cpp
+++ b/src/debugger/dap_frontend.cpp
@@ -127,6 +127,25 @@ public:
 	}
 
 	bool console_output(const char* format, va_list ap) override {
+		char buf[1024];
+		vsnprintf(buf, sizeof(buf), format, ap);
+
+		Json json = {
+			{"type", "event"},
+			{"event", "output"},
+			{"body", {
+				{"output", buf},
+			}}
+		};
+		const char *src = symbols.page2src(g_nact->sco.page());
+		if (src)
+			json["body"]["source"] = create_source(src);
+		int line = symbols.addr2line(g_nact->sco.page(), g_nact->sco.cmd_addr());
+		if (line >= 0)
+			json["body"]["line"] = line;
+
+		send_json(json);
+
 		return true;
 	}
 
diff --git a/src/emscripten/nact_emscripten.cpp b/src/emscripten/nact_emscripten.cpp
index c40fd4b..d1629dc 100644
--- a/src/emscripten/nact_emscripten.cpp
+++ b/src/emscripten/nact_emscripten.cpp
@@ -46,15 +46,12 @@ void NACT::platform_finalize()
 {
 }
 
-void NACT::output_console(const char *format, ...)
+void NACT::trace(const char *format, ...)
 {
-#if defined(_DEBUG_CONSOLE)
 	va_list ap;
-
 	va_start(ap, format);
 	vfprintf(stdout, format, ap);
 	va_end(ap);
-#endif
 }
 
 void NACT::set_skip_menu_state(bool enabled, bool checked)
diff --git a/src/generic/nact_generic.cpp b/src/generic/nact_generic.cpp
index 340c66a..ac6d704 100644
--- a/src/generic/nact_generic.cpp
+++ b/src/generic/nact_generic.cpp
@@ -14,25 +14,18 @@ void NACT::platform_finalize()
 {
 }
 
-void NACT::output_console(const char *format, ...)
+void NACT::trace(const char *format, ...)
 {
+	va_list ap;
+	va_start(ap, format);
 #ifdef ENABLE_DEBUGGER
-	if (g_debugger) {
-		va_list ap;
-		va_start(ap, format);
-		bool handled = g_debugger->console_vprintf(format, ap);
+	if (g_debugger && g_debugger->console_vprintf(format, ap)) {
 		va_end(ap);
-		if (handled)
-			return;
+		return;
 	}
 #endif
-#if defined(_DEBUG_CONSOLE)
-	va_list ap;
-
-	va_start(ap, format);
 	vfprintf(stdout, format, ap);
 	va_end(ap);
-#endif
 }
 
 void NACT::set_skip_menu_state(bool enabled, bool checked)
diff --git a/src/sys/nact.cpp b/src/sys/nact.cpp
index 602117b..a5949a9 100644
--- a/src/sys/nact.cpp
+++ b/src/sys/nact.cpp
@@ -283,7 +283,7 @@ void NACT::cmd_calc()
 	}
 	var[index] = cali();
 
-	output_console("\n!var[%d]:%d!", index, var[index]);
+	TRACE("!var[%d]:%d!", index, var[index]);
 }
 
 void NACT::cmd_label_jump()
@@ -291,7 +291,7 @@ void NACT::cmd_label_jump()
 	int next_addr = sco.getw();
 	sco.jump_to(next_addr);
 
-	output_console("\n@%x:", next_addr);
+	TRACE("@%x:", next_addr);
 }
 
 void NACT::cmd_label_call()
@@ -299,7 +299,7 @@ void NACT::cmd_label_call()
 	int next_addr = sco.getw();
 	sco.label_call(next_addr);
 
-	output_console("\n\\%x:", next_addr);
+	TRACE("\\%x:", next_addr);
 }
 
 void NACT::cmd_page_jump()
@@ -307,7 +307,7 @@ void NACT::cmd_page_jump()
 	int next_page = cali();
 	sco.page_jump(next_page, 2);
 
-	output_console("\n&%d:", next_page);
+	TRACE("&%d:", next_page);
 }
 
 void NACT::cmd_page_call()
@@ -315,7 +315,7 @@ void NACT::cmd_page_call()
 	int next_page = cali();
 	sco.page_call(next_page);
 
-	output_console("\n%%%d:", next_page);
+	TRACE("%%%d:", next_page);
 }
 
 void NACT::cmd_set_menu()
@@ -325,7 +325,7 @@ void NACT::cmd_set_menu()
 		ags->menu_dest_y += ags->menu_font_size + 2;
 		ags->draw_menu = false;
 
-		output_console("$");
+		TRACE("$");
 	} else {
 		if (menu_items.empty()) {
 			ags->clear_menu_window();
@@ -339,13 +339,13 @@ void NACT::cmd_set_menu()
 		if (game_id.is_gakuen())
 			menu_window = 2;
 
-		output_console("\n$%x,", menu_items.back().addr);
+		TRACE("$%x,", menu_items.back().addr);
 	}
 }
 
 void NACT::cmd_open_menu()
 {
-	output_console("\n]");
+	TRACE("]");
 
 	if (menu_items.empty()) {
 		sco.jump_to(sco.default_addr());
@@ -377,7 +377,9 @@ void NACT::cmd_set_verbobj()
 	menu_items.emplace_back(addr, verb, obj);
 	verb_obj = true;
 
-	output_console("\n[%x,%s,%s:", addr, caption_verb[verb].c_str(), caption_obj[obj].c_str());
+	TRACE("[%x,%s,%s:", addr,
+		encoding->toUtf8(caption_verb[verb].c_str()).c_str(),
+		encoding->toUtf8(caption_obj[obj].c_str()).c_str());
 }
 
 void NACT::cmd_set_verbobj2()
@@ -392,14 +394,16 @@ void NACT::cmd_set_verbobj2()
 	}
 	verb_obj = true;
 
-	output_console("\n:%d,%x,%s,%s:", condition, addr, caption_verb[verb].c_str(), caption_obj[obj].c_str());
+	TRACE(":%d,%x,%s,%s:", condition, addr,
+		encoding->toUtf8(caption_verb[verb].c_str()).c_str(),
+		encoding->toUtf8(caption_obj[obj].c_str()).c_str());
 }
 
 void NACT::cmd_a()
 {
 	texthook_nextpage();
 
-	output_console("A\n");
+	TRACE("A");
 
 	if (msgskip->skipping()) {
 		if (msgskip->get_flags() & MSGSKIP_STOP_ON_CLICK && get_key())
@@ -439,7 +443,7 @@ void NACT::cmd_a()
 
 void NACT::cmd_f()
 {
-	output_console("\nF");
+	TRACE("F");
 
 	sco.jump_to(2);
 }
@@ -448,7 +452,7 @@ void NACT::cmd_r()
 {
 	texthook_newline();
 
-	output_console("R\n");
+	TRACE("R");
 
 	// ウィンドウの表示範囲外の場合は改ページ
 	if(ags->return_text_line(text_window)) {
@@ -460,7 +464,7 @@ void NACT::cmd_s()
 {
 	int page = sco.getd();
 
-	output_console("\nS %d:", page);
+	TRACE("S %d:", page);
 
 	if(page) {
 		mako->play_music(page);
@@ -473,7 +477,7 @@ void NACT::cmd_x()
 {
 	int index = sco.getd();
 
-	output_console("\nX %d:", index);
+	TRACE("X %d:", index);
 
 	if(1 <= index && index <= 10) {
 		ags->draw_text(tvar[index - 1]);
@@ -510,7 +514,7 @@ void NACT::message(uint8_t first_byte)
 		msgskip->on_message(sco.page(), sco.current_addr());
 
 	// TODO: Convert hankaku to zenkaku
-	output_console(buf);
+	TRACE("%s", encoding->toUtf8(buf).c_str());
 }
 
 void NACT::text_wait()
diff --git a/src/sys/nact.h b/src/sys/nact.h
index e24c824..64f1eda 100644
--- a/src/sys/nact.h
+++ b/src/sys/nact.h
@@ -83,6 +83,8 @@
 #define MAX_VAR 512
 #define MAX_STRVAR 10
 
+#define TRACE(fmt, ...) if (config.trace) trace(fmt "\n", ##__VA_ARGS__)
+
 class AGS;
 class MAKO;
 class MsgSkip;
@@ -248,8 +250,7 @@ public:
 	std::unique_ptr<Encoding> encoding;
 	Strings strings;
 
-	// デバッグログ
-	void output_console(const char *format, ...);
+	void trace(const char *format, ...);
 
 	int get_scenario_page() const { return sco.page(); }
 	uint16 get_var(int index) const { return var[index]; }
diff --git a/src/sys/nact_sys1.cpp b/src/sys/nact_sys1.cpp
index 2c10411..1986dd7 100644
--- a/src/sys/nact_sys1.cpp
+++ b/src/sys/nact_sys1.cpp
@@ -213,13 +213,13 @@ void NACT_Sys1::cmd_branch()
 		}
 	}
 
-	output_console("\n{%d:", condition);
+	TRACE("{%d:", condition);
 }
 
 void NACT_Sys1::cmd_open_verb()
 {
 	// 動詞メニューの表示
-	output_console("\nopen verb-obj menu");
+	TRACE("open verb-obj menu");
 	verb_obj = false;
 
 	// 表示する動詞のチェック
@@ -420,7 +420,7 @@ void NACT_Sys1::cmd_g()
 {
 	int page = sco.getd();
 
-	output_console("\nG %d:", page);
+	TRACE("G %d:", page);
 
 	if (game_id.crc32_a == CRC32_INTRUDER) {
 		page = (page == 97) ? 96 : (page == 98) ? 97 : page;
@@ -469,7 +469,7 @@ void NACT_Sys1::cmd_l()
 {
 	int index = sco.getd();
 
-	output_console("\nL %d:", index);
+	TRACE("L %d:", index);
 
 	if (1 <= index && index <= 26) {
 		// ASLEEP_A.DAT - ASLEEP_Z.DAT
@@ -501,7 +501,7 @@ void NACT_Sys1::cmd_p()
 
 	ags->text_font_color = (uint8)((param & 0x7) + 16);
 
-	output_console("\nP %d:", param);
+	TRACE("P %d:", param);
 }
 
 void NACT_Sys1::cmd_q()
@@ -518,7 +518,7 @@ void NACT_Sys1::cmd_q()
 
 	int index = sco.getd();
 
-	output_console("\nQ %d:", index);
+	TRACE("Q %d:", index);
 
 	if (1 <= index && index <= 26) {
 		// ASLEEP_A.DAT - ASLEEP_Z.DAT
@@ -537,7 +537,7 @@ void NACT_Sys1::cmd_u()
 	int page = sco.getd();
 	int transparent = sco.getd();
 
-	output_console("\nU %d,%d:", page, transparent);
+	TRACE("U %d,%d:", page, transparent);
 
 	if (game_id.crc32_a == CRC32_INTRUDER) {
 		ags->load_cg(page, 11);
@@ -567,7 +567,7 @@ void NACT_Sys1::cmd_y()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nY %d,%d:", cmd, param);
+	TRACE("Y %d,%d:", cmd, param);
 
 	if (game_id.crc32_a == CRC32_INTRUDER) {
 		switch(cmd) {
@@ -770,7 +770,7 @@ void NACT_Sys1::cmd_z()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nZ %d,%d:", cmd, param);
+	TRACE("Z %d,%d:", cmd, param);
 
 	switch (game_id.crc32_a) {
 	case CRC32_INTRUDER:
diff --git a/src/sys/nact_sys2.cpp b/src/sys/nact_sys2.cpp
index 7cc27f6..98b901c 100644
--- a/src/sys/nact_sys2.cpp
+++ b/src/sys/nact_sys2.cpp
@@ -245,13 +245,13 @@ void NACT_Sys2::cmd_branch()
 		}
 	}
 
-	output_console("\n{%d:", condition);
+	TRACE("{%d:", condition);
 }
 
 void NACT_Sys2::cmd_open_verb()
 {
 	// 動詞メニューの表示
-	output_console("\nopen verb-obj menu");
+	TRACE("open verb-obj menu");
 	verb_obj = false;
 
 	// 表示する動詞のチェック
@@ -361,7 +361,7 @@ void NACT_Sys2::cmd_b()
 	int p4 = cali();
 	int p5 = cali();
 
-	output_console("\nB %d,%d,%d,%d,%d,%d,%d:", cmd, index, p1, p2, p3, p4, p5);
+	TRACE("B %d,%d,%d,%d,%d,%d,%d:", cmd, index, p1, p2, p3, p4, p5);
 
 	if(cmd == 1) {
 		if (game_id.crc32_a == CRC32_AYUMI_FD || game_id.crc32_a == CRC32_AYUMI_HINT || game_id.crc32_a == CRC32_DRSTOP) {
@@ -438,7 +438,7 @@ void NACT_Sys2::cmd_d()
 	int p7 = cali();
 	int p8 = cali();
 
-	output_console("\nD %d,%d,%d,%d,%d,%d,%d,%d:", p1, p2, p3, p4, p5, p6, p7, p8);
+	TRACE("D %d,%d,%d,%d,%d,%d,%d,%d:", p1, p2, p3, p4, p5, p6, p7, p8);
 }
 
 void NACT_Sys2::cmd_e()
@@ -447,14 +447,14 @@ void NACT_Sys2::cmd_e()
 	int p2 = cali();
 	int p3 = cali();
 
-	output_console("\nE %d,%d,%d:", p1, p2, p3);
+	TRACE("E %d,%d,%d:", p1, p2, p3);
 }
 
 void NACT_Sys2::cmd_g()
 {
 	int page = cali();
 
-	output_console("\nG %d:", page);
+	TRACE("G %d:", page);
 
 	if (game_id.crc32_a == CRC32_SDPS && (game_id.crc32_b == CRC32_SDPS_TONO || game_id.crc32_b == CRC32_SDPS_KAIZOKU)) {
 		if(20 <= page && page <= 100) {
@@ -479,7 +479,7 @@ void NACT_Sys2::cmd_h()
 	int length = sco.getd();
 	int val = cali();
 
-	output_console("\nH %d,%d:", length, val);
+	TRACE("H %d,%d:", length, val);
 
 	// 8桁の文字列を生成
 	char tmp[8];
@@ -522,7 +522,7 @@ void NACT_Sys2::cmd_i()
 //	int p3 = sco.getd();
 	int p3 = cali();
 
-	output_console("\nI %d,%d,%d:", p1, p2, p3);
+	TRACE("I %d,%d,%d:", p1, p2, p3);
 }
 
 void NACT_Sys2::cmd_j()
@@ -530,7 +530,7 @@ void NACT_Sys2::cmd_j()
 	int p1 = cali();
 	int p2 = cali();
 
-	output_console("\nJ %d,%d:", p1, p2);
+	TRACE("J %d,%d:", p1, p2);
 }
 
 void NACT_Sys2::cmd_k()
@@ -543,7 +543,7 @@ void NACT_Sys2::cmd_l()
 {
 	int index = sco.getd();
 
-	output_console("\nL %d:", index);
+	TRACE("L %d:", index);
 
 	if (1 <= index && index <= 26) {
 		// ASLEEP_A.DAT - ASLEEP_Z.DAT
@@ -568,7 +568,7 @@ void NACT_Sys2::cmd_m()
 		string[p] = '\0';
 	}
 
-	output_console("\nM %s:", string);
+	TRACE("M %s:", encoding->toUtf8(string).c_str());
 
 	if(1 <= tvar_index && tvar_index <= 10) {
 		memcpy(tvar[tvar_index - 1], string, 33);
@@ -580,7 +580,7 @@ void NACT_Sys2::cmd_n()
 	int p1 = cali();
 	int p2 = cali();
 
-	output_console("\nN %d,%d:", p1, p2);
+	TRACE("N %d,%d:", p1, p2);
 }
 
 void NACT_Sys2::cmd_o()
@@ -589,7 +589,7 @@ void NACT_Sys2::cmd_o()
 	int width = cali();
 	int height = cali();
 
-	output_console("\nO %d,%d,%d:", st, width, height);
+	TRACE("O %d,%d,%d:", st, width, height);
 
 #if 0
 	// white mesh
@@ -607,7 +607,7 @@ void NACT_Sys2::cmd_p()
 		ags->text_font_color = (uint8)((param & 0x7) + 16);
 	}
 
-	output_console("\nP %d:", param);
+	TRACE("P %d:", param);
 }
 
 void NACT_Sys2::cmd_q()
@@ -624,7 +624,7 @@ void NACT_Sys2::cmd_q()
 
 	int index = sco.getd();
 
-	output_console("\nQ %d:", index);
+	TRACE("Q %d:", index);
 
 	if (1 <= index && index <= 26) {
 		// ASLEEP_A.DAT - ASLEEP_Z.DAT
@@ -639,7 +639,7 @@ void NACT_Sys2::cmd_t()
 	int p2 = cali();
 	int p3 = cali();
 
-	output_console("\nT %d,%d,%d:", p1, p2, p3);
+	TRACE("T %d,%d,%d:", p1, p2, p3);
 }
 
 void NACT_Sys2::cmd_u()
@@ -654,7 +654,7 @@ void NACT_Sys2::cmd_u()
 		transparent = sco.getd();
 	}
 
-	output_console("\nU %d,%d:", page, transparent);
+	TRACE("U %d,%d:", page, transparent);
 
 	ags->load_cg(page, transparent);
 }
@@ -692,7 +692,7 @@ void NACT_Sys2::cmd_v()
 	int p28 = cali();
 	int p29 = cali();
 
-	output_console("\nV %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d:",
+	TRACE("V %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d:",
 	cmd, p01, p02, p03, p04, p05, p06, p07, p08, p09, p10, p11, p12, p13, p14, p15, p16, p17, p18, p19, p20, p21, p22, p23, p24, p25, p26, p27, p28, p29);
 }
 
@@ -703,7 +703,7 @@ void NACT_Sys2::cmd_w()
 	int ex = cali();
 	int ey = cali();
 
-	output_console("\nW %d,%d,%d,%d:", sx, sy, ex, ey);
+	TRACE("W %d,%d,%d,%d:", sx, sy, ex, ey);
 
 	ags->draw_mesh(sx, sy, ex - sx, ey - sy);
 }
@@ -713,7 +713,7 @@ void NACT_Sys2::cmd_y()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nY %d,%d:", cmd, param);
+	TRACE("Y %d,%d:", cmd, param);
 
 	switch(cmd) {
 		case 1:
@@ -865,7 +865,7 @@ void NACT_Sys2::cmd_z()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nZ %d,%d:", cmd, param);
+	TRACE("Z %d,%d:", cmd, param);
 
 // Z1
 // Z2
diff --git a/src/sys/nact_sys3.cpp b/src/sys/nact_sys3.cpp
index bdacf92..98799aa 100644
--- a/src/sys/nact_sys3.cpp
+++ b/src/sys/nact_sys3.cpp
@@ -25,13 +25,13 @@ void NACT_Sys3::cmd_branch()
 	// sigmarion3 最適化誤爆の対策
 	sco.jump_to(condition ? t_addr : f_addr);
 
-	output_console("\n{%d: T:%4x, F:%4x", condition, t_addr, f_addr);
+	TRACE("{%d: T:%4x, F:%4x", condition, t_addr, f_addr);
 }
 
 void NACT_Sys3::cmd_open_verb()
 {
 	// 動詞メニューの表示
-	output_console("\nopen verb-obj menu");
+	TRACE("open verb-obj menu");
 	verb_obj = false;
 
 	// 表示する動詞のチェック
@@ -141,7 +141,7 @@ void NACT_Sys3::cmd_b()
 	int p4 = cali();
 	int p5 = cali();
 
-	output_console("\nB %d,%d,%d,%d,%d,%d,%d:", cmd, index, p1, p2, p3, p4, p5);
+	TRACE("B %d,%d,%d,%d,%d,%d,%d:", cmd, index, p1, p2, p3, p4, p5);
 
 	if(cmd == 1) {
 		// あゆみちゃん物語
@@ -214,7 +214,7 @@ void NACT_Sys3::cmd_e()
 	int ex = cali();
 	int ey = cali();
 
-	output_console("\nE %d,%d,%d,%d,%d,%d:", index, color, sx, sy, ex, ey);
+	TRACE("E %d,%d,%d,%d,%d,%d:", index, color, sx, sy, ex, ey);
 
 	ags->box[index - 1].color = color;
 	ags->box[index - 1].sx = column ? sx * 8 : sx;
@@ -227,7 +227,7 @@ void NACT_Sys3::cmd_g()
 {
 	int page = cali();
 
-	output_console("\nG %d:", page);
+	TRACE("G %d:", page);
 
 	ags->load_cg(page, -1);
 }
@@ -237,7 +237,7 @@ void NACT_Sys3::cmd_h()
 	int length = sco.getd();
 	int val = cali();
 
-	output_console("\nH %d,%d:", length, val);
+	TRACE("H %d,%d:", length, val);
 
 	// 隠しコマンド？
 	if(length >= 9) {
@@ -288,7 +288,7 @@ void NACT_Sys3::cmd_i()
 	int dx = cali();
 	int dy = cali();
 
-	output_console("\nI %d,%d,%d,%d,%d,%d:", sx, sy, ex, ey, dx, dy);
+	TRACE("I %d,%d,%d,%d,%d,%d:", sx, sy, ex, ey, dx, dy);
 
 	// X方向はカラム単位で切り捨て
 	sx = column ? sx * 8 : sx & 0xfff8;
@@ -302,7 +302,7 @@ void NACT_Sys3::cmd_j()
 	int x = cali();
 	int y = cali();
 
-	output_console("\nJ %d,%d:", x, y);
+	TRACE("J %d,%d:", x, y);
 
 	// x方向はカラム単位で切り捨て
 	ags->cg_dest_x = column ? x * 8 : x & 0xfff8;
@@ -314,7 +314,7 @@ void NACT_Sys3::cmd_k()
 {
 	int cmd = sco.getd(), val;
 
-	output_console("\nK %d:", cmd);
+	TRACE("K %d:", cmd);
 
 	// K6の場合は、すぐに返る
 	if(cmd == 6) {
@@ -404,7 +404,7 @@ void NACT_Sys3::cmd_l()
 {
 	int index = cali();
 
-	output_console("\nL %d:", index);
+	TRACE("L %d:", index);
 
 	if (index == 0) {
 		// 特殊セーブ
@@ -454,7 +454,7 @@ void NACT_Sys3::cmd_m()
 		string[p] = '\0';
 	}
 
-	output_console("\nM %s:", string);
+	TRACE("M %s:", encoding->toUtf8(string).c_str());
 
 	if(1 <= tvar_index && tvar_index <= 10) {
 		memcpy(tvar[tvar_index - 1], string, 22);
@@ -477,7 +477,7 @@ void NACT_Sys3::cmd_n()
 	int src = cali();
 	int dest = cali();
 
-	output_console("\nN %d,%d,%d:", cmd, src, dest);
+	TRACE("N %d,%d,%d:", cmd, src, dest);
 }
 
 void NACT_Sys3::cmd_o()
@@ -502,7 +502,7 @@ void NACT_Sys3::cmd_o()
 		B15 = (val & 0x4000) ? 1 : 0;
 		B16 = (val & 0x8000) ? 1 : 0;
 
-		output_console("\nO %d,%d:", cmd, val);
+		TRACE("O %d,%d:", cmd, val);
 	} else {
 		uint16 val = 0;
 		val |= B01 ? 0x0001 : 0;
@@ -524,7 +524,7 @@ void NACT_Sys3::cmd_o()
 		int index = cali2();
 		var[index] = val;
 
-		output_console("\nO %d,var[%d]:", cmd, index);
+		TRACE("O %d,var[%d]:", cmd, index);
 	}
 }
 
@@ -535,7 +535,7 @@ void NACT_Sys3::cmd_p()
 	int g = cali();
 	int b = cali();
 
-	output_console("\nP %d,%d,%d,%d:", index, r, g, b);
+	TRACE("P %d,%d,%d,%d:", index, r, g, b);
 
 	ags->set_palette(index, r, g, b);
 	set_palette = true;
@@ -567,7 +567,7 @@ void NACT_Sys3::cmd_q()
 
 	int index = cali();
 
-	output_console("\nQ %d:", index);
+	TRACE("Q %d:", index);
 
 	if (index == 0) {
 		// 特殊セーブ
@@ -594,7 +594,7 @@ void NACT_Sys3::cmd_t()
 	int x = cali();
 	int y = cali();
 
-	output_console("\nT %d,%d:", x, y);
+	TRACE("T %d,%d:", x, y);
 
 	// x方向はカラム単位で切り捨て
 	ags->text_dest_x = column ? x * 8 : x & 0xfff8;
@@ -606,7 +606,7 @@ void NACT_Sys3::cmd_u()
 	int page = cali();
 	int transparent = cali();
 
-	output_console("\nU %d,%d:", page, transparent);
+	TRACE("U %d,%d:", page, transparent);
 
 	if (game_id.is_rance4x()) {
 		transparent = (transparent == 28) ? 12 : transparent;
@@ -619,7 +619,7 @@ void NACT_Sys3::cmd_v()
 	int cmd = cali();
 	int index = cali();
 
-	output_console("\nV %d,%d:", cmd, index);
+	TRACE("V %d,%d:", cmd, index);
 
 	if(cmd == 0) {
 		for(int i = 0; i < 20; i++) {
@@ -644,7 +644,7 @@ void NACT_Sys3::cmd_w()
 	int y = cali();
 	uint8 color = (uint8)cali();
 
-	output_console("\nW %d,%d,%d", x, y, color);
+	TRACE("W %d,%d,%d", x, y, color);
 
 	ags->paint(x, y, color);
 }
@@ -654,7 +654,7 @@ void NACT_Sys3::cmd_y()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nY %d,%d:", cmd, param);
+	TRACE("Y %d,%d:", cmd, param);
 
 	switch(cmd) {
 		case 1:
@@ -1018,7 +1018,7 @@ void NACT_Sys3::cmd_z()
 	int cmd = cali();
 	int param = cali();
 
-	output_console("\nZ %d,%d:", cmd, param);
+	TRACE("Z %d,%d:", cmd, param);
 
 	if(cmd == 0) {
 		ags->palette_bank = (uint8)(param & 0xff);
diff --git a/src/win/nact_win.cpp b/src/win/nact_win.cpp
index 4796b8a..def4a00 100644
--- a/src/win/nact_win.cpp
+++ b/src/win/nact_win.cpp
@@ -45,6 +45,8 @@ void init_console(int sys_ver)
 	freopen("CONOUT$", "w", stdout);
 	freopen("CONOUT$", "w", stderr);
 	freopen("CONIN$", "r", stdin);
+	SetConsoleCP(CP_UTF8);
+	SetConsoleOutputCP(CP_UTF8);
 	char title[] = "SYSTEM1 Debug Console";
 	title[6] = '0' + sys_ver;
 	SetConsoleTitle(title);
@@ -135,39 +137,28 @@ void NACT::text_dialog()
 void NACT::platform_initialize()
 {
 	init_menu(mouse_move_enabled, config);
-#ifndef _DEBUG_CONSOLE
-	if (config.debugger_mode == DebuggerMode::CLI)
-#endif
+	if (config.trace && config.debugger_mode != DebuggerMode::DAP)
 		init_console(game_id.sys_ver);
 	SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
 }
 
 void NACT::platform_finalize()
 {
-#if defined(_DEBUG_CONSOLE)
 	FreeConsole();
-#endif
 }
 
-void NACT::output_console(const char *format, ...)
+void NACT::trace(const char *format, ...)
 {
+	va_list ap;
+	va_start(ap, format);
 #ifdef ENABLE_DEBUGGER
-	if (g_debugger) {
-		va_list ap;
-		va_start(ap, format);
-		bool handled = g_debugger->console_vprintf(format, ap);
+	if (g_debugger && g_debugger->console_vprintf(format, ap)) {
 		va_end(ap);
-		if (handled)
-			return;
+		return;
 	}
 #endif
-#if defined(_DEBUG_CONSOLE)
-	va_list ap;
-
-	va_start(ap, format);
 	vfprintf(stdout, format, ap);
 	va_end(ap);
-#endif
 }
 
 void NACT::set_skip_menu_state(bool enabled, bool checked)
diff --git a/system3.ini.example b/system3.ini.example
index 0e9fa75..3b628f1 100644
--- a/system3.ini.example
+++ b/system3.ini.example
@@ -46,6 +46,9 @@ texthook = none
 ; The example below is for Rance 4.1, to filter out system messages.
 ;texthook_suppress = 2,7
 
+; Enables trace mode, which prints debug information to the console.
+;trace = true
+
 ; The [string] section allows you to override Japanese text embedded in the
 ; game engine. The values below are the original Japanese text.
 [string]