summaryrefslogtreecommitdiff
path: root/tools/OS/Keyboard.vm
blob: a806c4eb420ed704c36cff768d1ec6809c6e5263 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
function Keyboard.init 0
push constant 0
return
function Keyboard.keyPressed 0
push constant 24576
call Memory.peek 1
return
function Keyboard.readChar 2
push constant 0
call Output.printChar 1
pop temp 0
label WHILE_EXP0
push local 1
push constant 0
eq
push local 0
push constant 0
gt
or
not
if-goto WHILE_END0
call Keyboard.keyPressed 0
pop local 0
push local 0
push constant 0
gt
if-goto IF_TRUE0
goto IF_FALSE0
label IF_TRUE0
push local 0
pop local 1
label IF_FALSE0
goto WHILE_EXP0
label WHILE_END0
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 5
push constant 80
call String.new 1
pop local 3
push argument 0
call Output.printString 1
pop temp 0
call String.newLine 0
pop local 1
call String.backSpace 0
pop local 2
label WHILE_EXP0
push local 4
not
not
if-goto WHILE_END0
call Keyboard.readChar 0
pop local 0
push local 0
push local 1
eq
pop local 4
push local 4
not
if-goto IF_TRUE0
goto IF_FALSE0
label IF_TRUE0
push local 0
push local 2
eq
if-goto IF_TRUE1
goto IF_FALSE1
label IF_TRUE1
push local 3
call String.eraseLastChar 1
pop temp 0
goto IF_END1
label IF_FALSE1
push local 3
push local 0
call String.appendChar 2
pop local 3
label IF_END1
label IF_FALSE0
goto WHILE_EXP0
label WHILE_END0
push local 3
return
function Keyboard.readInt 2
push argument 0
call Keyboard.readLine 1
pop local 0
push local 0
call String.intValue 1
pop local 1
push local 0
call String.dispose 1
pop temp 0
push local 1
return