Mac OS Roman

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Mac OS Roman
MIME macintosh
Alias(es) mac

Mac OS Roman is a character encoding primarily used by Mac OS to represent text. It encodes 256 characters, the first 128 of which are identical to ASCII, with the remaining characters including mathematical symbols, diacritics, and additional punctuation marks. It is suitable for English and several other Western languages. Mac OS Roman is a superset of the original Macintosh character set, used in System 1.

The Internet Assigned Numbers Authority identifies this encoding using the string "macintosh". The MIME Content-Type for this encoding is therefore "text/plain; charset=macintosh". Mac OS Roman is also referred to as MacRoman or the Apple Standard Roman character set. The Microsoft Windows code page number is 10000.

Codepage layout[edit]

The following table shows how characters are encoded in Macintosh Roman. Each character is shown with its Unicode equivalent right below and its decimal code at the bottom.

Mac OS Roman
_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F
 
0_
 
NUL
0000
0
SOH
0001
1
STX
0002
2
ETX
0003
3
EOT
0004
4
ENQ
0005
5
ACK
0006
6
BEL
0007
7
BS
0008
8
HT
0009
9
LF
000A
10
VT
000B
11
FF
000C
12
CR
000D
13
SO
000E
14
SI
000F
15
 
1_
 
DLE
0010
16
DC1
0011
17
DC2
0012
18
DC3
0013
19
DC4
0014
20
NAK
0015
21
SYN
0016
22
ETB
0017
23
CAN
0018
24
EM
0019
25
SUB
001A
26
ESC
001B
27
FS
001C
28
GS
001D
29
RS
001E
30
US
001F
31
 
2_
 
SP
0020
32
!
0021
33
"
0022
34
#
0023
35
$
0024
36
%
0025
37
&
0026
38
'
0027
39
(
0028
40
)
0029
41
*
002A
42
+
002B
43
,
002C
44
-
002D
45
.
002E
46
/
002F
47
 
3_
 
0
0030
48
1
0031
49
2
0032
50
3
0033
51
4
0034
52
5
0035
53
6
0036
54
7
0037
55
8
0038
56
9
0039
57
:
003A
58
;
003B
59
<
003C
60
=
003D
61
>
003E
62
?
003F
63
 
4_
 
@
0040
64
A
0041
65
B
0042
66
C
0043
67
D
0044
68
E
0045
69
F
0046
70
G
0047
71
H
0048
72
I
0049
73
J
004A
74
K
004B
75
L
004C
76
M
004D
77
N
004E
78
O
004F
79
 
5_
 
P
0050
80
Q
0051
81
R
0052
82
S
0053
83
T
0054
84
U
0055
85
V
0056
86
W
0057
87
X
0058
88
Y
0059
89
Z
005A
90
[
005B
91
\
005C
92
]
005D
93
^
005E
94
_
005F
95
 
6_
 
`
0060
96
a
0061
97
b
0062
98
c
0063
99
d
0064
100
e
0065
101
f
0066
102
g
0067
103
h
0068
104
i
0069
105
j
006A
106
k
006B
107
l
006C
108
m
006D
109
n
006E
110
o
006F
111
 
7_
 
p
0070
112
q
0071
113
r
0072
114
s
0073
115
t
0074
116
u
0075
117
v
0076
118
w
0077
119
x
0078
120
y
0079
121
z
007A
122
{
007B
123
|
007C
124
}
007D
125
~
007E
126
DEL
007F
127
 
8_
 
Ä
00C4
128
Å
00C5
129
Ç
00C7
130
É
00C9
131
Ñ
00D1
132
Ö
00D6
133
Ü
00DC
134
á
00E1
135
à
00E0
136
â
00E2
137
ä
00E4
138
ã
00E3
139
å
00E5
140
ç
00E7
141
é
00E9
142
è
00E8
143
 
9_
 
ê
00EA
144
ë
00EB
145
í
00ED
146
ì
00EC
147
î
00EE
148
ï
00EF
149
ñ
00F1
150
ó
00F3
151
ò
00F2
152
ô
00F4
153
ö
00F6
154
õ
00F5
155
ú
00FA
156
ù
00F9
157
û
00FB
158
ü
00FC
159
 
A_
 

2020
160
°
00B0
161
¢
00A2*
162
£
00A3*
163
§
00A7
164

2022
165

00B6
166
ß
00DF
167
®
00AE
168
©
00A9*
169

2122
170
´
00B4
171
¨
00A8
172

2260
173
Æ
00C6
174
Ø
00D8
175
 
B_
 

221E
176
±
00B1*
177

2264
178

2265
179
¥
00A5
180
µ
00B5*
181

2202
182

2211
183

220F
184
π
03C0
185

222B
186
ª
00AA
187
º
00BA
188
Ω
03A9
189
æ
00E6
190
ø
00F8
191
 
C_
 
¿
00BF
192
¡
00A1
193
¬
00AC
194

221A
195
ƒ
0192
196

2248
197

2206
198
«
00AB
199
»
00BB
200

2026
201
NBSP
00A0
202
À
00C0
203
Ã
00C3
204
Õ
00D5
205
Œ
0152
206
œ
0153
207
 
D_
 

2013
208

2014
209

201C
210

201D
211

2018
212

2019
213
÷
00F7
214

25CA
215
ÿ
00FF
216
Ÿ
0178
217

2044
218
¤
20AC
219

2039
220

203A
221

FB01
222

FB02
223
 
E_
 

2021
224
·
00B7
225

201A
226

201E
227

2030
228
Â
00C2
229
Ê
00CA
230
Á
00C1
231
Ë
00CB
232
È
00C8
233
Í
00CD
234
Î
00CE
235
Ï
00CF
236
Ì
00CC
237
Ó
00D3
238
Ô
00D4
239
 
F_
 
a
F8FF
240
Ò
00D2
241
Ú
00DA
242
Û
00DB
243
Ù
00D9
244
ı
0131
245
ˆ
02C6
246
˜
02DC
247
¯
00AF
248
˘
02D8
249
˙
02D9
250
˚
02DA
251
¸
00B8
252
˝
02DD
253
˛
02DB
254
ˇ
02C7
255
  • ^⌘ The (usually nonprintable) character 0x11 mapped to the Command key glyph () in many fonts, particularly those intended for use as system fonts. It is mappable to the Unicode character U+2318 place of interest sign. The codes 0x12, 0x13, and 0x14 were also used for icons to indicate the shift, option, and control keys in menu items.
  • ^* The codes 0xA2, 0xA3, 0xA9, 0xB1, and 0xB5 coincidentally have the same character assignment as ISO 8859-1 (and thus Unicode).
  • Before Mac OS 8.5, the character 0xDB mapped to currency sign (¤), Unicode character U+00A4.
  • ^a The character 0xF0 is a solid Apple logo. The Unicode equivalent U+F8FF is in the Corporate Private Use Area, but it is probably not supported on non-Apple platforms.

Application notes[edit]

With the release of OS X, Mac OS Roman and all other "scripts" (as the Mac OS called them) were replaced by UTF-8 as the standard character encoding for the Macintosh operating system. However, default character encoding in Java for OS X is still MacRoman (see Mac Dev Center), and the keyboard layout with its combination of control, option, and dead keys still map to the original characters in MacRoman. The default character encoding for Java can be changed to UTF-8 by adding the following line to .bashrc:

export set JAVA_OPTS="$JAVA_OPTS -Dfile.encoding=UTF8"

See also[edit]

References[edit]

  • Apple Computer, Inc. (1993). Inside Macintosh: Text. New York: Addison-Wesley. ISBN 0-201-63298-5.
  • Apple Computer, Inc. (1985). Inside Macintosh Volume I. New York: Addison-Wesley. ISBN 0-201-17731-5.

External links[edit]