Changes

This game is perhaps the only one on Amstrad GX4000/Plus range to enable the use of that supports an [[Analog Joysticks| Analog Joystick]], for however, it converts the 2nd playeranalog signals to digital signals by software.In two-player mode, the game can be controlled by:* Player 1 can use Digital Joystick #1* Player 2 can use and Digital Joystick #2, or alternately(selectable in Options), * Analog Joystick #1 and Digital Joystick #1* [uhhhh... that can't be correct since That feature is intended for people who own one digital-stick1 stick, and analog-stick1 use the same fire buttonone analogue stick (rather than two digital ones)...?]The game converts In the "analog inputs to digital-joystick-style "on/off" signalsmode, so Digital Joystick #1 is not used (because it isn't actually supporting "fast/slow" analog s button inputswould conflict with Analog Joystick #1). Disassembly of the joystick code in Tennis Cup 2: