module HybridInstr where

import Amiga

import qualified SynthWF
import SynthWF(SynthWF)

data HybridInstr = HybridInstr
  { defaultdecay :: UBYTE
  , reserved     :: [ UBYTE ]
  , rep          :: UWORD
  , replen       :: UWORD
  , voltbllen    :: UWORD
  , wftbllen     :: UWORD
  , volspeed     :: UBYTE
  , wfspeed      :: UBYTE
  , wforms       :: UWORD
  , voltbl       :: [ UBYTE ]
  , wftbl        :: [ UBYTE ]
  , wf0          :: PTR -- FIXME
  , wf           :: [ Maybe SynthWF ]
  }
  deriving (Show)

peek :: MEM -> PTR -> IO HybridInstr
peek m p = do
  defaultdecay' <- peekUBYTE m (p+6)
  reserved'     <- mapM (peekUBYTE m) $ pointerRange (p+7) 1 3
  rep'          <- peekUWORD m (p+10)
  replen'       <- peekUWORD m (p+12)
  voltbllen'    <- peekUWORD m (p+14)
  wftbllen'     <- peekUWORD m (p+16)
  volspeed'     <- peekUBYTE m (p+18)
  wfspeed'      <- peekUBYTE m (p+19)
  wforms'       <- peekUWORD m (p+20)
  voltbl'       <- mapM (peekUBYTE m) $ pointerRange (p+22) 1 128
  wftbl'        <- mapM (peekUBYTE m) $ pointerRange (p+150) 150 128
  wf0':wf''     <- mapM (peekPTR m)   $ pointerRange (p+278) 4 64
  wf'           <- mapM (SynthWF.peek m . (p+) $?) wf''
  return $ HybridInstr
    defaultdecay' reserved' rep' replen' voltbllen' wftbllen'
    volspeed' wfspeed' wforms' voltbl' wftbl' wf0' wf'