Parse (at the very least) decls for word and vector tables.

doc/Checking.markdown

@@ -129,6 +129,22 @@ of a sequence of bytes, it must be the same length as the table is declared.
     | }
     ? initial table incorrect size
 
+We can also define word and vector tables.  These are each stored as two
+byte tables, one table of low bytes and one table of high bytes.
+
+    | reserve word[100] words
+    | reserve vector[100] vectors
+    | routine main {
+    |    lda #$04
+    |    sta <words
+    |    // sta <words, y
+    |    lda #$00
+    |    sta >words
+    |    // sta >words, y
+    |    // copy routine main to vectors, y
+    | }
+    = True
+
 An address may be declared with `locate`, which is like `.alias` in an
 assembler, with the understanding that the value will be treated "like an
 address."  This is generally an address into the operating system or hardware

src/SixtyPical/Checker.hs

@@ -31,8 +31,8 @@ noIndexedAccessOfNonTables p@(Program decls routines) =
     where
         checkInstr j@(COPY _ (Indexed (NamedLocation sz g) reg)) =
             case lookupDecl p g of
-                Just (Assign _ (ByteTable _) _) -> j
-                Just (Reserve _ (ByteTable _) _) -> j
+                Just (Assign _ (Table Byte _) _) -> j
+                Just (Reserve _ (Table Byte _) _) -> j
                 Just _ -> (COPY A A)
                 Nothing -> (COPY A A)
         checkInstr other = other
@@ -57,8 +57,8 @@ consistentInitialTableSizes p@(Program decls routines) =
     in
         inconsistentTableSizes == 0
     where
-        checkDecl (Reserve _ (ByteTable sz) []) acc = acc
-        checkDecl (Reserve _ (ByteTable sz) vals) acc =
+        checkDecl (Reserve _ (Table _ sz) []) acc = acc
+        checkDecl (Reserve _ (Table _ sz) vals) acc =
             case sz == (length vals) of
                 True -> acc
                 False -> acc + 1

src/SixtyPical/Emitter.hs

@@ -30,10 +30,10 @@ emitDecl p (Reserve name typ [val])
     | typ == Word = name ++ ": .word " ++ (show val)
     | typ == Vector = name ++ ": .word " ++ (show val)
 
-emitDecl p (Reserve name (ByteTable size) []) =
+emitDecl p (Reserve name (Table Byte size) []) =
     ".space " ++ name ++ " " ++ (show size)
 
-emitDecl p (Reserve name (ByteTable size) vals) =
+emitDecl p (Reserve name (Table Byte size) vals) =
     name ++ ": .byte " ++ (showList vals)
     where
         showList [] = ""
@@ -92,11 +92,11 @@ emitInstr p r (COPY A Y) = "tay"
 emitInstr p r (COPY X A) = "txa"
 emitInstr p r (COPY Y A) = "tya"
 
-emitInstr p r (COPY A (Indexed (NamedLocation (Just (ByteTable _)) label) X)) = "sta " ++ label ++ ", x"
-emitInstr p r (COPY A (Indexed (NamedLocation (Just (ByteTable _)) label) Y)) = "sta " ++ label ++ ", y"
+emitInstr p r (COPY A (Indexed (NamedLocation (Just (Table Byte _)) label) X)) = "sta " ++ label ++ ", x"
+emitInstr p r (COPY A (Indexed (NamedLocation (Just (Table Byte _)) label) Y)) = "sta " ++ label ++ ", y"
 
-emitInstr p r (COPY (Indexed (NamedLocation (Just (ByteTable _)) label) X) A) = "lda " ++ label ++ ", x"
-emitInstr p r (COPY (Indexed (NamedLocation (Just (ByteTable _)) label) Y) A) = "lda " ++ label ++ ", y"
+emitInstr p r (COPY (Indexed (NamedLocation (Just (Table Byte _)) label) X) A) = "lda " ++ label ++ ", x"
+emitInstr p r (COPY (Indexed (NamedLocation (Just (Table Byte _)) label) Y) A) = "lda " ++ label ++ ", y"
 
 emitInstr p r (COPY A (IndirectIndexed (NamedLocation st label) Y)) = "sta (" ++ label ++ "), y"
 emitInstr p r (COPY (IndirectIndexed (NamedLocation st label) Y) A) = "lda (" ++ label ++ "), y"

src/SixtyPical/Model.hs

@@ -23,7 +23,7 @@ type LocationName = String
 data StorageType = Byte
                  | Word
                  | Vector
-                 | ByteTable DataValue
+                 | Table StorageType DataValue
     deriving (Show, Ord, Eq)
 
 data StorageLocation = A

src/SixtyPical/Parser.hs

@@ -16,7 +16,7 @@ Decl         ::= "reserve" StorageType LocationName [":" InitialValue]
                | "assign" StorageType LocationName Literal
                | "external" RoutineName Address.
 InitialValue ::= Literal | StringLiteral | "(" {Literal} ")".
-StorageType  ::= "byte" ["[" Literal "]"] | "word" | "vector".
+StorageType  ::= ("byte" | "word" | "vector") ["[" Literal "]"].
 Routine      ::= "routine" RoutineName ["outputs" "(" {LocationName} ")"] Block.
 Block        ::= "{" {Decl} {Command} "}".
 Command ::= "if" Branch Block "else" Block
@@ -99,20 +99,20 @@ storage s t = do
     nspaces
     return t
 
-byte_table :: Parser StorageType
-byte_table = do
-    string "byte"
-    nspaces
+table :: StorageType -> Parser StorageType
+table typ = do
     string "["
     nspaces
     size <- literal_data_value
     string "]"
     nspaces
-    return $ ByteTable size
+    return $ Table typ size
 
 storage_type :: Parser StorageType
-storage_type = (try $ byte_table) <|> (storage "byte" Byte) <|>
-               (storage "word" Word) <|> (storage "vector" Vector)
+storage_type = do
+    typ <- (storage "byte" Byte) <|> (storage "word" Word) <|>
+           (storage "vector" Vector)
+    option typ (table typ)
 
 initial_value :: Parser [DataValue]
 initial_value =

src/SixtyPical/Transformer.hs

@@ -124,8 +124,8 @@ fillOutNamedLocationTypes p@(Program decls routines) =
             in
                 case (typeRx == typeRy, typeRx, typeRy) of
                     (True, _, _) -> constructor rx ry
-                    (_, Byte, (ByteTable _)) -> constructor rx ry
-                    (_, (ByteTable _), Byte) -> constructor rx ry                    
+                    (_, Byte, (Table Byte _)) -> constructor rx ry
+                    (_, (Table Byte _), Byte) -> constructor rx ry                    
                     _ -> error ("incompatible types '" ++ (show typeRx) ++ "' and '" ++ (show typeRy) ++ "'")
         resolve (NamedLocation Nothing name) =
             case lookupDecl p name of