diff --git a/src/devices/system.c b/src/devices/system.c
index 317744e..dcb85fb 100644
--- a/src/devices/system.c
+++ b/src/devices/system.c
@@ -45,6 +45,32 @@ system_cmd(Uint8 *ram, Uint16 addr)
 	}
 }
 
+int
+system_error(char *msg, const char *err)
+{
+	fprintf(stderr, "%s: %s\n", msg, err);
+	return 1;
+}
+
+int
+uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr)
+{
+	Uint8 *d = &u->dev[0x00];
+	Uint16 handler = PEEK2(d);
+	if(handler) {
+		u->wst->ptr = 4;
+		u->wst->dat[0] = addr >> 0x8;
+		u->wst->dat[1] = addr & 0xff;
+		u->wst->dat[2] = instr;
+		u->wst->dat[3] = err;
+		return uxn_eval(u, handler);
+	} else {
+		system_inspect(u);
+		fprintf(stderr, "%s %s, by %02x at 0x%04x.\n", (instr & 0x40) ? "Return-stack" : "Working-stack", errors[err - 1], instr, addr);
+	}
+	return 0;
+}
+
 void
 system_inspect(Uxn *u)
 {
@@ -80,24 +106,3 @@ system_deo(Uxn *u, Uint8 *d, Uint8 port)
 		break;
 	}
 }
-
-/* Error */
-
-int
-uxn_halt(Uxn *u, Uint8 instr, Uint8 err, Uint16 addr)
-{
-	Uint8 *d = &u->dev[0x00];
-	Uint16 handler = PEEK2(d);
-	if(handler) {
-		u->wst->ptr = 4;
-		u->wst->dat[0] = addr >> 0x8;
-		u->wst->dat[1] = addr & 0xff;
-		u->wst->dat[2] = instr;
-		u->wst->dat[3] = err;
-		return uxn_eval(u, handler);
-	} else {
-		system_inspect(u);
-		fprintf(stderr, "%s %s, by %02x at 0x%04x.\n", (instr & 0x40) ? "Return-stack" : "Working-stack", errors[err - 1], instr, addr);
-	}
-	return 0;
-}
diff --git a/src/devices/system.h b/src/devices/system.h
index 6fc31e1..cbd9217 100644
--- a/src/devices/system.h
+++ b/src/devices/system.h
@@ -12,6 +12,7 @@ WITH REGARD TO THIS SOFTWARE.
 #define RAM_PAGES 0x10
 #define PEEK16(d) ((d)[0] << 8 | (d)[1])
 
+int system_error(char *msg, const char *err);
 int system_load(Uxn *u, char *filename);
 void system_deo(Uxn *u, Uint8 *d, Uint8 port);
 void system_inspect(Uxn *u);
diff --git a/src/uxn11.c b/src/uxn11.c
index 7e82e71..dab0bbf 100644
--- a/src/uxn11.c
+++ b/src/uxn11.c
@@ -43,13 +43,6 @@ char *rom_path;
 Uint16 deo_mask[] = {0xff08, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0000, 0x0000, 0x0000, 0xa260, 0xa260, 0x0000, 0x0000, 0x0000, 0x0000};
 Uint16 dei_mask[] = {0x0000, 0x0000, 0x003c, 0x0014, 0x0014, 0x0014, 0x0014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000};
 
-static int
-emu_error(char *msg, const char *err)
-{
-	fprintf(stderr, "%s: %s\n", msg, err);
-	return 0;
-}
-
 Uint8
 uxn_dei(Uxn *u, Uint8 addr)
 {
@@ -92,7 +85,7 @@ emu_start(Uxn *u, char *rom)
 	if(!uxn_screen.width || !uxn_screen.height)
 		screen_resize(&uxn_screen, WIDTH, HEIGHT);
 	if(!uxn_eval(u, PAGE_PROGRAM))
-		return emu_error("boot", "Failed to start rom.");
+		return system_error("boot", "Failed to start rom.");
 	return 1;
 }
 
@@ -188,7 +181,7 @@ display_start(char *title)
 	visual = DefaultVisual(display, 0);
 	window = XCreateSimpleWindow(display, RootWindow(display, 0), 0, 0, uxn_screen.width + PAD * 2, uxn_screen.height + PAD * 2, 1, 0, 0);
 	if(visual->class != TrueColor)
-		return emu_error("init", "True-color visual failed");
+		return system_error("init", "True-color visual failed");
 	XSelectInput(display, window, ButtonPressMask | ButtonReleaseMask | PointerMotionMask | ExposureMask | KeyPressMask | KeyReleaseMask);
 	wmDelete = XInternAtom(display, "WM_DELETE_WINDOW", True);
 	XSetWMProtocols(display, window, &wmDelete, 1);
@@ -209,15 +202,15 @@ main(int argc, char **argv)
 	struct pollfd fds[3];
 	static const struct itimerspec screen_tspec = {{0, 16666666}, {0, 16666666}};
 	if(argc < 2)
-		return emu_error("usage", "uxn11 game.rom args");
+		return system_error("usage", "uxn11 game.rom args");
 	rom_path = argv[1];
 	if(!uxn_boot(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8))))
-		return emu_error("boot", "Failed");
+		return system_error("boot", "Failed");
 	/* start sequence */
 	if(!emu_start(&u, rom_path))
-		return emu_error("start", rom_path);
+		return system_error("start", rom_path);
 	if(!display_start(rom_path))
-		return emu_error("display", "Failed");
+		return system_error("display", "Failed");
 	/* console vector */
 	for(i = 2; i < argc; i++) {
 		char *p = argv[i];
diff --git a/src/uxncli.c b/src/uxncli.c
index 9898ce6..009467b 100644
--- a/src/uxncli.c
+++ b/src/uxncli.c
@@ -21,13 +21,6 @@ WITH REGARD TO THIS SOFTWARE.
 Uint16 deo_mask[] = {0x6a08, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0000, 0x0000, 0x0000, 0xa260, 0xa260, 0x0000, 0x0000, 0x0000, 0x0000};
 Uint16 dei_mask[] = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000};
 
-static int
-emu_error(char *msg, const char *err)
-{
-	fprintf(stderr, "Error %s: %s\n", msg, err);
-	return 1;
-}
-
 Uint8
 uxn_dei(Uxn *u, Uint8 addr)
 {
@@ -55,11 +48,11 @@ main(int argc, char **argv)
 	Uxn u;
 	int i;
 	if(argc < 2)
-		return emu_error("Usage", "uxncli game.rom args");
+		return system_error("usage", "uxncli game.rom args");
 	if(!uxn_boot(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8))))
-		return emu_error("Boot", "Failed");
+		return system_error("boot", "Failed");
 	if(!system_load(&u, argv[1]))
-		return emu_error("Load", "Failed");
+		return system_error("load", "Failed");
 	if(!uxn_eval(&u, PAGE_PROGRAM))
 		return u.dev[0x0f] & 0x7f;
 	for(i = 2; i < argc; i++) {
@@ -69,8 +62,7 @@ main(int argc, char **argv)
 	}
 	while(!u.dev[0x0f]) {
 		int c = fgetc(stdin);
-		if(c != EOF)
-			console_input(&u, (Uint8)c);
+		if(c != EOF) console_input(&u, (Uint8)c);
 	}
 	return u.dev[0x0f] & 0x7f;
 }