diff --git a/src/mame/drivers/tmc1800.cpp b/src/mame/drivers/tmc1800.cpp
index a8e671b07e5..eb2a6f387a4 100644
--- a/src/mame/drivers/tmc1800.cpp
+++ b/src/mame/drivers/tmc1800.cpp
@@ -99,6 +99,59 @@ Notes:
     CN2     - video connector
     CN3     - power connector
     CN4     - expansion connector
+    
+Usage:
+	Enter operating system with MONITOR key
+
+	Commands:
+	B N 		Load N pages (of 256 bytes) from tape to current address, e.g. "MONITOR 0000 B 4" loads 4 pages to 0x0000
+	F N  		Save N pages (of 256 bytes) to tape starting from current address, e.g. "MONITOR 0200 F 4" saves 4 pages starting from 0x0200
+	0			Write memory, e.g. "MONITOR 0400 0 A1 A3" writes 0xA1 to 0x0400 and 0xA3 to 0x0401
+	A 			Read memory, e.g. "MONITOR 0400 A 0 0 0" shows memory contents for 0x0400, 0x0401, 0x0402, 0x0403
+
+	Loading software from tape:
+	- Press MONITOR
+	- Enter loading address (0000)
+	- Press B
+	- Enter length of program in pages (4)
+	- Press RUN after program has loaded
+
+Demo tape contents:
+	Side A
+
+	1. Esittelyohjelma (Demonstration Program) [length A pages]
+	2. Reaktioaikatesti (Reaction Time Test) [4]
+	3. Kaleidoskooppi (Kaleidoscope) [3] [CHIP-8]
+	4. Labyrinttiohjelma (Labyrinth Program) [4]
+	5. Labyrinttipeli (Labyrinth Game) [4] [CHIP-8]
+	6. Yhteenlaskuohjelma (Addition Program) [4] [CHIP-8]
+	7. Miinakenttä (Minefield) [4] [CHIP-8]
+	8. Herästyskello (Alarm Clock) [4] [CHIP-8]
+	9. Move Loop eli ansapeli [4]
+	10. Pingis (Ping Pong) [6] [CHIP-8]
+	11. Numeron arvaus (Number Guess) [3] [CHIP-8]
+	12. Numeroiden kaato [4] [CHIP-8]
+	13. Pyyhkäisypeli, yksinpelattava (Sweeping Game Single Player) [3] [CHIP-8]
+	14. Pyyhkäisypeli, kaksinpelattava (Sweeping Game Dual Player) [6] [CHIP-8]
+	15. Tikkupeli (Stick Game) [8] [CHIP-8]
+
+	Side B
+
+	16. Ampujaukko (Shooter Man) [4] [CHIP-8]
+	17. Ufojen ammunta (UFO Shootout) [3]
+	18. Jätkän shakki (Noughs and Crosses) [4] [CHIP-8]
+	19. Jackpot [4]  [CHIP-8]
+	20. Tankki ja ohjus (Tank and Missile) [5] [CHIP-8]
+	21. Parien etsintä (Find the Pairs) [4] [CHIP-8]
+	22. Tähtien ammunta (Star Shootout) [4] [CHIP-8]
+	23. Vedonlyöntipeli (Betting Game) [4] [CHIP-8]
+	24. Päättelytehtävä (Master Mind) [4] [CHIP-8]
+	25. Piirtelyohjelma (Doodle) [4]  [CHIP-8]
+	26. Säkkijärven polkka [4]
+	27. Heksadesimaalikoodien harjoittelu (Hexadecimal Practice) [3]
+	28. Histogrammaohjelma (Histogram) [4] [CHIP-8]
+	29. M2-ohjelmointikieli (M2 Programming Language) [F]
+	30. RAM-muistin testiohjelma (RAM Test) [?]
 
 */