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Table 3.24 Peripheral Mega Drive Peripheral ID
 Peripheral Name 
 Mega Drive 
Peripheral ID
 Megadrive 3 button PAD 
 DH 
 Megadrive 6 button PAD 
 DH & CH 
 Sega Mouse 
 3H 
 Sega Tap 
 7H 
 Saturn Standard PAD 
 BH 
 Saturn Analog Joystick 
 5H 
 Saturn keyboard 
 5H 
 Saturn multi-tap 
 5H 

Access procedure in SH-2 direct mode for peripherals with megadrive peripheral IDs other than 5H

Access procedure in SH2 direct mode for peripherals with mega drive peripheral IDs other than 5H is shown below.

  1. Get Mega Drive Peripheral ID.
  2. Determine peripheral by Megadrive peripheral ID. Data is acquired by executing a sequence corresponding to it. Peripherals with megadrive peripheral IDs other than 5H do not return a Saturn peripheral ID.


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