1 files changed, 0 insertions, 48 deletions
diff --git a/fig-emulator-gb/src/Fig/Emulator/GB/Bus.hs b/fig-emulator-gb/src/Fig/Emulator/GB/Bus.hs
deleted file mode 100644
index 2b71f2f..0000000
--- a/fig-emulator-gb/src/Fig/Emulator/GB/Bus.hs
+++ /dev/null
@@ -1,48 +0,0 @@
-module Fig.Emulator.GB.Bus
-  ( Addr(..)
-  , Component(..)
-  , Bus(..)
-  , update
-  , write
-  , read
-  ) where
-
-import Fig.Prelude
-
-import Numeric (showHex)
-
-import qualified Data.List as List
-import Data.Word (Word16, Word8)
-
-newtype Addr = Addr { unAddr :: Word16 }
-  deriving (Show, Num, Eq, Ord)
-instance Pretty Addr where
-  pretty (Addr w) = "$" <> pack (showHex w "")
-
-data Component = forall (s :: Type). Component
-  { compState :: !s
-  , compMatches :: !(Addr -> Bool)
-  , compUpdate :: !(s -> Word16 -> IO s)
-  , compWrite :: !(s -> Addr -> Word8 -> IO s)
-  , compRead :: !(s -> Addr -> IO Word8)
-  }
-
-newtype Bus = Bus { busComponents :: [Component] }
-
-update :: Word16 -> Bus -> IO Bus
-update t b = Bus <$> forM (busComponents b) \Component{..} -> do
-  s <- compUpdate compState t
-  pure Component { compState = s, ..}
-
-write :: Bus -> Addr -> Word8 -> IO Bus
-write b a v = Bus <$> forM (busComponents b) \c@Component{..} ->
-  if compMatches a
-  then do
-    s <- compWrite compState a v
-    pure Component { compState = s, ..}
-  else pure c
-
-read :: Bus -> Addr -> IO (Maybe Word8)
-read b a = case List.find (`compMatches` a) $ busComponents b of
-  Nothing -> pure Nothing
-  Just Component{..} -> Just <$> compRead compState a