================================================================================

PORT              ADRESS          DECODING
hex/dec         A15 ... A0       A15 ... A0          READ            WRITE
================================================================================
SOUNDRIVE v1.52 (SOUNDRIVE(*), COVOX(+))
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#0F#1F#4F#5F*xxxxxxxx0B0A1111 xxxxxxxxxB0Ax111         -         SLA,SLB,SRA,SRB
#3F/63      *xxxxxxxx00111111 xxxxxxxxx011x111         -         SLB (Profi)
#B3/179     +xxxxxxxx10110011 xxxxxxxxxxxx0011         -         SLB (GS)
#FB/251     +xxxxxxxx11111011 xxxxxxxxxxxx1011         -         SRB 
--------------------------------------------------------------------------------
SOUNDRIVE v1.53 (SOUNDRIVE(*), COVOX(+))
--------------------------------------------------------------------------------
#0F#1F#4F#5F*xxxxxxxx0B0A1111 xxxxxxxxxB0A1111         -         SLA,SLB,SRA,SRB
#2F/47      *xxxxxxxx00101111 xxxxxxxxx0101111         -         not used
#3F/63      *xxxxxxxx00111111 xxxxxxxxx0111111         -         SLB (Profi)
#B3/179     +xxxxxxxx10110011 xxxxxxxx1xxx0011         -         SLB (GS)
#FB/251     +xxxxxxxx11111011 xxxxxxxx1xxx1011         -         SRB
--------------------------------------------------------------------------------