=> R0 = mode number (1-4). If 0, then unchanged
R1 byte 0 = N - channel number N (1-16). If 0, then unchanged
byte 1 = M - number of channels in mode 4 (1-8). If 0, then unchanged.
<= R0 = new (or current) mode (1-4)
= new (or last) value of N (1-16) or M (1-8).
Set the MIDI channel of the internal sound system controller. Use 0 to read current values.
|
|
|