Title: Gyruss
Environment: MSX or newer, RAM 64KB (in same SLOT), Keyboard & Joysticks
Genre: Space shooting
Language: English
Year: 1984
Publisher: Parker Brothers
Developer: Parker Brothers (Licensed by Konami Industry Co., Ltd)

Keys Mapping:

F5           -  Reset game
Cursor keys  -  Movement of player 1
SPACE        -  Shoot
N            -  Play a game / Shoot
SELECT       -  Back to title after a game
RETURN       -  Replay a game when the game is over

Press P key during MSX startup to force PSG sound mode.


Joysticks:

Joystick 1   -  Movement of player 1
Joystick 2   -  Movement of player 2
Button 1     -  Shoot
Button 2     -  Play a game / Shoot


Notes:

 - Push button 2 of joystick 2 to play a game for 2 Players.
 - This game has been converted to MSX ROM (Konami SCC & ASCII 16 mapper) and improved by GDX.
 - This conversion is based on Mission v1.1 by M. De Kogel.
 - Using on real machines: if you use the ASCII 16 mapper, you need to insert a SCC cartridge in the other slot to get the SCC sounds.
 - Using on emulators : if the ROM is auto-detected with the ASCII 16 mapper by your emulator, select manually the Konami SCC mapper to get the SCC sounds.
 - This ROM is the release 2 (CRC32 = 55335DD3). PSG I/O and writing to a VDP register routine have been fixed. This release can't cause damage on any MSX.

Known Problem:

 - Some keys do not match on a Russian keyboard.