Assembly Language Fundamentals

Beginner
Version:
1.0

Appendix I - ASCII Table

Letters (A–Z):
A = 65 (41h)
B = 66 (42h)
C = 67 (43h)
D = 68 (44h)
E = 69 (45h)
F = 70 (46h)
G = 71 (47h)
H = 72 (48h)
I = 73 (49h)
J = 74 (4Ah)
K = 75 (4Bh)
L = 76 (4Ch)
M = 77 (4Dh)
N = 78 (4Eh)
O = 79 (4Fh)
P = 80 (50h)
Q = 81 (51h)
R = 82 (52h)
S = 83 (53h)
T = 84 (54h)
U = 85 (55h)
V = 86 (56h)
W = 87 (57h)
X = 88 (58h)
Y = 89 (59h)
Z = 90 (5Ah)

Digits (0–9):
0 = 48 (30h)
1 = 49 (31h)
2 = 50 (32h)
3 = 51 (33h)
4 = 52 (34h)
5 = 53 (35h)
6 = 54 (36h)
7 = 55 (37h)
8 = 56 (38h)
9 = 57 (39h)

Common Symbols:
Space = 32 (20h)
Exclamation mark (!) = 33 (21h)
Double quote (") = 34 (22h)
Hash (#) = 35 (23h)
Dollar ($) = 36 (24h)
Percent (%) = 37 (25h)
Ampersand (&) = 38 (26h)
Apostrophe (') = 39 (27h)
Left parenthesis (() = 40 (28h)
Right parenthesis ()) = 41 (29h)
Asterisk (*) = 42 (2Ah)
Plus (+) = 43 (2Bh)
Comma (,) = 44 (2Ch)
Hyphen or minus (-) = 45 (2Dh)
Full stop (.) = 46 (2Eh)
Forward slash (/) = 47 (2Fh)
Colon (:) = 58 (3Ah)
Semicolon (;) = 59 (3Bh)
Less than (<) = 60 (3Ch)
Equals (=) = 61 (3Dh)
Greater than (>) = 62 (3Eh)
Question mark (?) = 63 (3Fh)
At sign (@) = 64 (40h)
Left arrow (←) = 91 (5Bh)
Backslash (\) = 92 (5Ch)
Right bracket (]) = 93 (5Dh)
Caret (^) = 94 (5Eh)
Underscore (_) = 95 (5Fh)
Grave accent (`) = 96 (60h)
Left brace ({) = 123 (7Bh)
Vertical bar (|) = 124 (7Ch)
Right brace (}) = 125 (7Dh)
Tilde (~) = 126 (7Eh)

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