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Instructor’s Manual to accompany HCS12 Microcontroller and
Embedded Systems: Using
Assembly and C with CodeWarrior 1 st Edition Muhammad Ali Mazidi Danny Causey 1 / 4
CHAPTER 0: INTRODUCTION TO COMPUTING
SECTION 0.1: NUMBERING AND CODING SYSTEMS
1.(a) 1210 = 11002 (b) 12310 = 0111 10112 (c) 6310 = 0011 11112 (d) 12810 = 1000 00002 (e) 100010 = 0011 1110 10002 2.(a) 1001002 = 3610 (b) 10000012 = 6510 (c) 111012 = 2910 (d) 10102 = 1010 (e) 001000102 = 3410 3.(a) 1001002 = 2416 (b) 10000012 = 4116 (c) 111012 = 1D16 (d) 10102 = 0A16 (e) 001000102 = 2216 4.(a) 2B916 = 0010 1011 10012, 69710 (b) F4416 = 1111 0100 01002, 390810 (c) 91216 = 1001 0001 00102, 232210 (d) 2B16 = 0010 10112, 4310 (e) FFFF16 = 1111 1111 1111 11112, 6553510 5.(a) 1210 = 0C16 (b) 12310 = 7B16 (c) 6310 = 3F16 (d) 12810 = 8016 (e) 100010 = 3E816 6.(a) 1001010 = 0011 0110 (b) 111001 = 0000 0111 (c) 10000010 = 0111 1110 (d) 111110001 = 0000 1111 7.(a) 2C+3F = 6B (b) F34+5D6 = 150A (c) 20000+12FF = 212FF (d) FFFF+2222 = 12221
- (a) 24F-129 = 12616 2 / 4
(b) FE9-5CC = A1D16 (c) 2FFFF-FFFFF = 30000 16 (d) 9FF25-4DD99 = 5218C 16
9. (a) Hex: 30, 31, 32 , 33, 34, 35, 36, 37, 38, 39
(b) Binary: 11 0000, 11 0001, 11 0010, 11 0011, 11 0100, 11 0101, 11 0110, 11
0111, 11 1000, 11 1001.
ASCII (hex) Binary
- 30 011 0000 1 31 011 0001 2 32 011 0010 3 33 011 0011 4 34 011 0100 5 35 011 0101 6 36 011 0110 7 37 011 0111 8 38 011 1000 9 39 011 1001 10. 000000 22 55 2E 53 2E 41 2E 20 69 73 20 61 20 63 6F 75 "U.S.A. is a cou
000010 6E 74 72 79 22 0D 0A 22 69 6E 20 4E 6F 72 74 68 ntry".."in North 000020 20 41 6D 65 72 69 63 61 22 0D 0A America"..
SECTION 0.2: DIGITAL PRIMER
11.1 2 3 4 5 6 A B C
12.
A B C Y
0 0 0 0
0 0 1 1
0 1 0 1
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 1
1 1 1 1
- / 4
13.
.
14.
A B C Y
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 0
1 0 0 0
1 0 1 0
1 1 0 0
1 1 1 1
15.
AB C Y
0 0 0 0
0 0 1 1
0 1 0 1
0 1 1 0
1 0 0 1
1 0 1 0
1 1 0 0
1 1 1 1
1 2 3 4 5 6 C A B 1 2 3 4 5 6 B A C
16.
A B C Y
0 0 0 1
0 0 1 1
0 1 0 1
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 1
1 1 1 0
- / 4
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