XD7 to XD0, YD7 to YD0 Absolute value of mouse movement 1 when the Start, Middle, Right, Left button is pressed.
■ Saturn standard PAD (tentative name)
∙ Data is output by repeating the TH and TR bits with the specified bit pattern. After changing TH and TR, read R, L, D and U after 2μS.
Table 3.36 shows the Saturn standard PAD data format in SH-2 direct mode.
Table 3.36 Saturn Standard PAD Data Format in SH-2 Direct Mode
* Right, Left, Down, Up, Start, A TRG, C TRG, B TRG, R TRG, X TRG, Y TRG, Z TRG, L TRG are 0 when the button is pressed.
■ Saturn Analog Joystick (tentative name)
The first data is the Mega Drive ID acquisition phase. Data can be obtained by changing TH from 1B to 0B. Read R, L, D, U after 2μS after TH change.
Please obtain the following data by handshaking with TR and TL.
Table 3.37 shows the data format of the Saturn analog joystick in SH-2 direct mode.