diff --git a/console.txt b/console.txt
index d3daa0c..6ef7f62 100644
--- a/console.txt
+++ b/console.txt
@@ -110,11 +110,13 @@ following expansion layout:
   - operation (1 byte): 03 (uuid extension)
   - device (1 byte): 10 (console)
   - uuid (16 bytes): 0123 1250 d878 4462 bc41 d092 7645 a2fa
-  - flags (2 byte): 0000 (may be updated by emulator)
+  - version (1 byte): 00 (set to non-zero by supporting emulators)
+  - flags (2 byte): 0000 (updated by supporting emulators)
 
-after being loaded, flags will be 0x0000 if the console expansion is
-not supported. otherwise, it will contain one or more of the following
-flags:
+after being loaded, version will be non-zero if console expansion is
+supported, and zero otherwise. flags will contain bits describing the
+available capabilities (0x0000 if console expansion is unsupported).
+the flags are as follows:
 
  - 0x0001: supports `execute`
  - 0x0002: supports `kill`
@@ -139,7 +141,7 @@ that determines whether the console expansion can be used:
 
   @enable-uxn-console ...
 
-  @query 03 10 ( uuid ) 0123 1250 d878 4462 bc41 d092 7645 a2fa &flags 0000
+  @query 03 10 ( uuid ) 0123 1250 d878 4462 bc41 d092 7645 a2fa &flags 00 0000
 
 note that uxn11 unconditionally enables the expanded console. so in
 this case the uuid-based extension mechanism is only used to detect
diff --git a/src/devices/console.c b/src/devices/console.c
index 434eb1a..eb9c069 100644
--- a/src/devices/console.c
+++ b/src/devices/console.c
@@ -1,6 +1,10 @@
 #undef _POSIX_C_SOURCE
 #define _POSIX_C_SOURCE 200112L
 
+#ifdef __NetBSD__
+#define _NETBSD_SOURCE
+#endif
+
 #include <poll.h>
 #include <signal.h>
 #include <stdio.h>
@@ -16,6 +20,7 @@
 
 #ifdef __NetBSD__
 #include <sys/ioctl.h>
+#include <sys/termios.h>
 #include <util.h>
 #endif
 
@@ -225,7 +230,7 @@ host_raw_tty()
 		/* corresponds to `stty raw -echo` */
 		term.c_cflag |= (CS8);
 		term.c_iflag &= ~(IGNBRK | BRKINT | IGNPAR | PARMRK | INPCK | ISTRIP);
-		term.c_iflag &= ~(INLCR  | IGNCR | ICRNL | IXON | IXOFF | IUCLC | IXANY | IMAXBEL);
+		term.c_iflag &= ~(INLCR  | IGNCR | ICRNL | IXON | IXOFF | IXANY | IMAXBEL);
 		term.c_lflag &= ~(ICANON | ISIG | ECHO);
 		term.c_oflag &= ~(OPOST);
 		term.c_cc[VMIN] = 0;
diff --git a/src/devices/system.c b/src/devices/system.c
index 3f55aad..e958735 100644
--- a/src/devices/system.c
+++ b/src/devices/system.c
@@ -132,14 +132,12 @@ system_expansion_uxn38_device(Uxn *u, Uint8 *ram, Uint16 addr)
 {
 	Uint8 dev_id = ram[addr + 1];
 	Uint8 *uuid = &ram[addr + 2];
-	if(uuid_eq(uuid, console_uuid) != 0)
-		if(dev_id == 0x10) {
-			ram[addr + 18] = 0x00;
-			ram[addr + 19] = 0xff;
-		} else {
-			ram[addr + 18] = 0x00;
-			ram[addr + 19] = 0x00;
-		}
+	if(uuid_eq(uuid, console_uuid) != 0) {
+		int ok = dev_id == 0x10 ? 0xff : 0x00;
+		ram[addr + 18] = ok;
+		ram[addr + 19] = 0x00;
+		ram[addr + 20] = ok;
+	}
 }
 
 /* IO */