Language.SSVM.Operations

Documentation

push :: StackType a => a -> VM ()

Push value to the stack

pushS :: StackItem -> VM ()

Push stack item to the stack

pushD :: StackItem -> VM ()

Add item to current definition

pop :: VM ()

Drop stack head (a -- )

dup :: VM ()

Duplicate stack head (a -- a a)

swap :: VM ()

Swap two top items on the stack (a b -- b a)

over :: VM ()

(a b -- a b a)

printStack :: VM ()

Print stack content

printCurrentDef :: VM ()

Print current definition

printF :: VM ()

Print stack head (a -- )

add :: VM ()

sub :: VM ()

neg :: VM ()

mul :: VM ()

divide :: VM ()

absF :: VM ()

remF :: VM ()

cmpF :: VM ()

variable :: VM ()

Define variable

recall :: String -> VM Definition

Recall word definition

assign :: VM ()

Assign value to variable (value variable-number -- )

readVar :: VM ()

Read variable value (variable-number -- value)

define :: VM ()

Define word

allocArray :: VM ()

Allocate an array (size variable-number -- )

readArray :: VM ()

Read item from array. (array-or-variable-number index -- value)

assignArray :: VM ()

Assign value to array item. (value array-or-variable-number index -- )

goto :: VM ()

Get PC from stack (pc -- )

jumpIf :: (Integer -> Bool) -> VM ()

Jump to given address if condition is satisfied

mark :: VM ()

Mark at current PC ( -- pc)

getMark :: [Marks] -> String -> VM ()

Get mark by name ( -- pc)

input :: VM ()

Read value from stdin ( -- value)

step :: VM ()

Increment PC