Dcpu16.Cpu

Documentation

screenWidth :: Int

screenHeight :: Int

screenScale :: Int

gfxStart :: Int

spritesStart :: Int

spriteCount :: Int

inputStart :: Int

inputMaxCount :: Int

memorySize :: Int

data Reg

Constructors

RegA

RegB

RegC

RegX

RegY

RegZ

RegI

RegJ

RegPC

RegSP

RegEx

Instances

Bounded Reg

Methods

minBound :: Reg

maxBound :: Reg

Enum Reg

Methods

succ :: Reg -> Reg

pred :: Reg -> Reg

toEnum :: Int -> Reg

fromEnum :: Reg -> Int

enumFrom :: Reg -> [Reg]

enumFromThen :: Reg -> Reg -> [Reg]

enumFromTo :: Reg -> Reg -> [Reg]

enumFromThenTo :: Reg -> Reg -> Reg -> [Reg]

Show Reg

Methods

showsPrec :: Int -> Reg -> ShowS

show :: Reg -> String

showList :: [Reg] -> ShowS

data CpuState

Constructors

CpuState

Fields

• memory :: IOVector Word16
• regs :: IOVector Word16

data Instr

Constructors

Set

Add

Sub

Mul

Div

Mod

Shl

Shr

And

Bor

Xor

Ife

Ifn

Ifg

Ifb

Jsr

Dat

Instances

Enum Instr

Methods

succ :: Instr -> Instr

pred :: Instr -> Instr

toEnum :: Int -> Instr

fromEnum :: Instr -> Int

enumFrom :: Instr -> [Instr]

enumFromThen :: Instr -> Instr -> [Instr]

enumFromTo :: Instr -> Instr -> [Instr]

enumFromThenTo :: Instr -> Instr -> Instr -> [Instr]

Show Instr

Methods

showsPrec :: Int -> Instr -> ShowS

show :: Instr -> String

showList :: [Instr] -> ShowS

data Value

Constructors

ValueReg Reg

ValueAddrReg Reg

ValueAddrRegPlus Reg Word16

ValuePop

ValuePeek

ValuePush

ValueSP

ValuePC

ValueO

ValueAddr Word16

ValueLit Word16

ValueSymLit Word16

Instances

Show Value

Methods

showsPrec :: Int -> Value -> ShowS

show :: Value -> String

showList :: [Value] -> ShowS

type InstrItem = (Instr, Value, Value)

regCount :: Int

newCpu :: IO CpuState

readMemory :: CpuState -> Int -> IO Word16

writeMemory :: CpuState -> Int -> Word16 -> IO ()

readRegister :: CpuState -> Reg -> IO Word16

writeRegister :: CpuState -> Reg -> Word16 -> IO ()

incPC :: CpuState -> IO Word16

parseInstrParts :: Word16 -> (Word16, Word16, Word16)

withNextWord :: CpuState -> (Word16 -> a) -> IO a

readValue :: CpuState -> Word16 -> IO Value

readInstr :: CpuState -> IO InstrItem

getValue :: CpuState -> Value -> IO Word16

setValue :: CpuState -> Value -> Word16 -> IO ()

evalInstr :: CpuState -> InstrItem -> IO ()

evalArithInstr :: CpuState -> Value -> Value -> (Int -> Int -> (Int, Int)) -> IO ()

evalIfInstr :: CpuState -> Value -> Value -> (Word16 -> Word16 -> Bool) -> IO ()

writeMemoryData :: CpuState -> Vector Word16 -> IO ()

runNextInstruction :: CpuState -> IO ()