function Keyboard.init 0
push constant 0
pop static 0
push constant 0
return
function Keyboard.keyPressed 0
push static 0
push constant 24576
add
pop pointer 1
push that 0
return
function Keyboard.readChar 2
push constant 0
call Output.printChar 1
pop temp 0
label L0
push local 1
push constant 0
eq
push local 0
push constant 0
gt
or
not
if-goto L1
call Keyboard.keyPressed 0
pop local 0
push local 0
push constant 0
gt
not
if-goto L2
push local 0
pop local 1
goto L3
label L2
label L3
goto L0
label L1
call String.backSpace 0
call Output.printChar 1
pop temp 0
push local 1
call Output.printChar 1
pop temp 0
push local 1
return
function Keyboard.readLine 3
push constant 100
call String.new 1
pop local 0
push argument 0
call Output.printString 1
pop temp 0
label L4
push constant 1
neg
not
if-goto L5
call Keyboard.readChar 0
pop local 2
push local 2
push constant 128
eq
not
if-goto L6
push local 0
return
goto L7
label L6
push local 2
push constant 129
eq
not
if-goto L8
push local 0
call String.eraseLastChar 1
pop temp 0
goto L9
label L8
push local 0
push local 2
call String.appendChar 2
pop temp 0
label L9
label L7
goto L4
label L5
function Keyboard.readInt 2
push constant 100
call String.new 1
pop local 0
push argument 0
call Output.printString 1
pop temp 0
label L10
push constant 1
neg
not
if-goto L11
push local 1
call Keyboard.readChar 1
pop local 1
push local 1
push constant 128
eq
not
if-goto L12
push local 0
call String.intValue 1
return
goto L13
label L12
push local 1
push constant 129
eq
not
if-goto L14
push local 0
call String.eraseLastChar 1
pop temp 0
goto L15
label L14
push local 1
push constant 47
gt
push local 1
push constant 57
lt
and
not
if-goto L16
push local 0
push local 1
call String.appendChar 2
pop temp 0
goto L17
label L16
label L17
push local 1
push constant 45
eq
not
if-goto L18
push local 0
push local 1
call String.appendChar 2
pop temp 0
goto L19
label L18
label L19
label L15
label L13
goto L10
label L11