diff --git a/src/mame/drivers/tabe22.cpp b/src/mame/drivers/tabe22.cpp
index 7c0997fe300..50ae77ad5b6 100644
--- a/src/mame/drivers/tabe22.cpp
+++ b/src/mame/drivers/tabe22.cpp
@@ -24,6 +24,10 @@
     Notes:
     - The hardware has some similarities to cit220.cpp
     - Everything here is guessed (including the system name), no docs available
+	- Other (undumped) terminals from Tab:
+      * 132/15: VT52/VT100/VT132 (1982)
+      * 132/15-G: Tektronix graphics (1982)
+      * 132/15-H: Honeywell (1983)
 
 ***************************************************************************/
 
@@ -67,6 +71,13 @@ protected:
 	virtual void machine_start() override;
 
 private:
+	required_device<i8085a_cpu_device> m_maincpu;
+	required_device<screen_device> m_screen;
+	required_device<palette_device> m_palette;
+	required_device<scn2674_device> m_avdc;
+	required_region_ptr<uint8_t> m_chargen;
+	required_device<address_map_bank_device> m_vram_bank;
+
 	void mem_map(address_map &map);
 	void io_map(address_map &map);
 	void vram_map(address_map &map);
@@ -74,13 +85,6 @@ private:
 	void char_map(address_map &map);
 	void attr_map(address_map &map);
 
-	required_device<i8085a_cpu_device> m_maincpu;
-	required_device<screen_device> m_screen;
-	required_device<palette_device> m_palette;
-	required_device<scn2674_device> m_avdc;
-	required_region_ptr<uint8_t> m_chargen;
-	optional_device<address_map_bank_device> m_vram_bank;
-
 	void video_ctrl_w(uint8_t data);
 	void crt_brightness_w(uint8_t data);
 	SCN2674_DRAW_CHARACTER_MEMBER(draw_character);
@@ -155,10 +159,8 @@ void tabe22_state::crt_brightness_w(uint8_t data)
 
 SCN2674_DRAW_CHARACTER_MEMBER( tabe22_state::draw_character )
 {
-	uint16_t data = m_chargen[charcode << 4 | linecount] << 2;
-	const pen_t *const pen = m_palette->pens();
-
-	// 76------  unknown
+	// 7-------  chargen high bit
+	// -6------  unknown
 	// --5-----  shaded
 	// ---4----  unknown
 	// ----3---  bold
@@ -166,6 +168,9 @@ SCN2674_DRAW_CHARACTER_MEMBER( tabe22_state::draw_character )
 	// ------1-  underline
 	// -------0  reverse
 
+	uint16_t data = m_chargen[(BIT(attrcode, 7) << 12) | charcode << 4 | linecount] << 2;
+	const pen_t *const pen = m_palette->pens();
+
 	if (ul && (BIT(attrcode, 1)))
 		data = 0x1ff;
 
diff --git a/src/mame/machine/e22_kbd.cpp b/src/mame/machine/e22_kbd.cpp
index 61cfafd9b94..52525fe5227 100644
--- a/src/mame/machine/e22_kbd.cpp
+++ b/src/mame/machine/e22_kbd.cpp
@@ -248,10 +248,15 @@ void e22_kbd_hle_device::received_byte(uint8_t byte)
 	switch (byte)
 	{
 		case 0x02: break; // keyclick on
-		case 0x06: transmit_byte(0x01); break; // can't be 0x00
-		case 0x07: transmit_byte(0x02); break; // can't be 0x00
+		case 0x06: transmit_byte(0x01); break; // keyboard model, can't be 0
+		case 0x07: transmit_byte(0x02); break; // read 3 times, can't be 0 in total
 		case 0x09: break; // bell?
 		case 0x12: break; // keyclick off
+		case 0xf8: logerror("Key repeat disabled\n"); break;
+		case 0xf9: logerror("Key repeat 6 cps\n"); break;
+		case 0xfa: logerror("Key repeat 12 cps\n"); break;
+		case 0xfb: logerror("Key repeat 24 cps\n"); break;
+		case 0xfc: logerror("Key repeat 30 cps\n"); break;
 	}
 }