Z80 port map

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Revision as of 03:10, 28 June 2011 by Furrtek (talk | contribs)
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Number Read Write
$00 Read sound code from 68k Clear sound code buffer
$08 NMI enable
$04~$07 YM2610 I/O
$08 Set $F000~$F7FF bank
$09 Set $E000~$EFFF bank
$0A Set $C000~$DFFF bank
$0B Set $8000~$BFFF bank
$0C Reply to 68k
$18 NMI disable