1 files changed, 0 insertions, 90 deletions
diff --git a/fig-emulator-gb/src/Fig/Emulator/GB/Utils.hs b/fig-emulator-gb/src/Fig/Emulator/GB/Utils.hs
deleted file mode 100644
index 4ad6f24..0000000
--- a/fig-emulator-gb/src/Fig/Emulator/GB/Utils.hs
+++ /dev/null
@@ -1,90 +0,0 @@
-module Fig.Emulator.GB.Utils where
-
-import Fig.Prelude
-
-import Prelude (fromIntegral)
-
-import qualified Text.Printf as Pr
-
-import Data.Word (Word8, Word16)
-import Data.Int (Int8)
-import Data.Bits
-
-show8 :: Word8 -> Text
-show8 = pack . Pr.printf "%02X"
-
-show16 :: Word8 -> Text
-show16 = pack . Pr.printf "%04X"
-
-w8w8 :: Word8 -> Word8 -> Word16
-w8w8 high low = shiftL (fromIntegral high) 8 .|. fromIntegral low
-
-w16hi :: Word16 -> Word8
-w16hi v = fromIntegral $ shiftR v 8
-
-w16lo :: Word16 -> Word8
-w16lo v = fromIntegral $ v .&. 0xff
-
-w8bit :: Int -> Word8 -> Bool
-w8bit i v = shiftR v i .&. 0b1 == 1
-
-w8bits2 :: Int -> Word8 -> Word8
-w8bits2 i v = shiftR v (i - 1) .&. 0b11
-
-w8bits3 :: Int -> Word8 -> Word8
-w8bits3 i v = shiftR v (i - 2) .&. 0b111
-
-w8bits4 :: Int -> Word8 -> Word8
-w8bits4 i v = shiftR v (i - 3) .&. 0b1111
-
-flagsw8 :: Bool -> Bool -> Bool -> Bool -> Word8
-flagsw8 z n h c =
-  shiftL (if z then 1 else 0) 7
-  .|. shiftL (if n then 1 else 0) 6
-  .|. shiftL (if h then 1 else 0) 5
-  .|. shiftL (if c then 1 else 0) 4
-
-w8flags :: Word8 -> (Bool, Bool, Bool, Bool)
-w8flags x = (z, n, h, c)
-  where
-    z = w8bit 7 x
-    n = w8bit 6 x
-    h = w8bit 5 x
-    c = w8bit 4 x
-
-zext :: Word8 -> Word16
-zext = fromIntegral
-
-sext :: Word8 -> Word16
-sext x = fromIntegral y
-  where
-    y :: Int8
-    y = fromIntegral x
-
-trunc :: Word16 -> Word8
-trunc = fromIntegral
-
-addC :: Bool -> Word8 -> Word8 -> (Word8, Bool)
-addC c x y = (trunc res, shiftR res 8 .&. 1 == 1)
-  where
-    res :: Word16
-    res = zext x + zext y + if c then 1 else 0
-
-addH :: Bool -> Word8 -> Word8 -> Bool
-addH c x y = shiftR res 4 .&. 1 == 1
-  where
-    xlo = x .&. 0xf
-    ylo = y .&. 0xf
-    res :: Word8
-    res = xlo + ylo + if c then 1 else 0
-
-subC :: Bool -> Word8 -> Word8 -> (Word8, Bool)
-subC c x y = (trunc $ xs - ys, yz > xz)
-  where
-    xs = sext x
-    ys = sext y + if c then 1 else 0
-    xz = zext x
-    yz = zext y + if c then 1 else 0
-
-subH :: Bool -> Word8 -> Word8 -> Bool
-subH c x y = zext (w8bits4 3 x) < (zext (w8bits4 3 y) + if c then 1 else 0)