diff options
Diffstat (limited to 'projects/12/KeyboardTest/Keyboard.jack')
| -rw-r--r-- | projects/12/KeyboardTest/Keyboard.jack | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/projects/12/KeyboardTest/Keyboard.jack b/projects/12/KeyboardTest/Keyboard.jack index 2aba72e..a35704a 100644 --- a/projects/12/KeyboardTest/Keyboard.jack +++ b/projects/12/KeyboardTest/Keyboard.jack @@ -89,37 +89,9 @@ class Keyboard { * entered text is detected). Also handles user backspaces.
*/
function int readInt(String message) {
- var int n, i;
- var char t;
var String s;
- var boolean neg, done;
do Output.printString(message);
- let n = 0;
- let neg = false;
let s = Keyboard.readLine("");
- let i = 0;
- if (s.charAt(0) = 45) {
- let i = 1;
- let neg = true;
- }
- let t = s.charAt(i);
- if ((t < 48) | (t > 57)) {
- do Sys.error(3);
- do Output.printString("Keyboard.readInt: the input data is not number!");
- }
- let done = false;
- while (~done) {
- if ((s.charAt(i) > 47) & (s.charAt(i) < 58)) {
- let n = n * 10 + (s.charAt(i) - 48);
- } else {
- let done = true;
- }
- let i = i + 1;
- let done = done | (i + 1 > s.length());
- }
- if (neg) {
- let n = - n;
- }
- return n;
+ return s.intValue();
}
}
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