Repository navigation
Expand file tree
/
Copy pathconstants.js
More file actions
86 lines (79 loc) · 1.43 KB
/
Copy pathconstants.js
File metadata and controls
86 lines (79 loc) · 1.43 KB
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
var symbolTable = {
'R0': 0,
'R1': 1,
'R2': 2,
'R3': 3,
'R4': 4,
'R5': 5,
'R6': 6,
'R7': 7,
'R8': 8,
'R9': 9,
'R10': 10,
'R11': 11,
'R12': 12,
'R13': 13,
'R14': 14,
'R15': 15,
'SCREEN': 16384,
'KBD': 24576,
'SP': 0,
'LCL': 1,
'ARG': 2,
'THIS': 3,
'THAT': 4
}
module.exports.symbolTable = symbolTable
var dest = {
'0': '000',
'M': '001',
'D': '010',
'MD': '011',
'A': '100',
'AM': '101',
'AD': '110',
'AMD': '111'
}
module.exports.dest = dest
var jump = {
'0': '000',
'JGT': '001',
'JEQ': '010',
'JGE': '011',
'JLT': '100',
'JNE': '101',
'JLE': '110',
'JMP': '111'
}
module.exports.jump = jump
var comp = {
'0': '0101010',
'1': '0111111',
'-1': '0111010',
'D': '0001100',
'A': '0110000',
'!D': '0001101',
'!A': '0110001',
'-D': '0001111',
'-A': '0110011',
'D+1': '0011111',
'A+1': '0110111',
'D-1': '0001110',
'A-1': '0110010',
'D+A': '0000010',
'D-A': '0010011',
'A-D': '0000111',
'D&A': '0000000',
'D|A': '0010101',
'M': '1110000',
'!M': '1110001',
'-M': '1110011',
'M+1': '1110111',
'M-1': '1110010',
'D+M': '1000010',
'D-M': '1010011',
'M-D': '1000111',
'D&M': '1000000',
'D|M': '1010101'
}
module.exports.comp = comp