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Appendixes. Computer Science: An Overview Eleventh Edition by J. Glenn Brookshear. Appendix A: Samples from ASCII. Symbol ASCII Hex Symbol ASCII Hex A 01000001 41 0 00110000 30 B 01000010 42 1 00110001 31

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Appendixes


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Appendixes

Computer Science: An OverviewEleventh Edition

by

J. Glenn Brookshear

appendix a samples from ascii
Appendix A: Samples from ASCII

Symbol ASCII Hex Symbol ASCII Hex

A 01000001 41 0 00110000 30

B 01000010 42 1 00110001 31

C 01000011 43 2 00110010 32

a 01100001 61 # 00100011 23

b 01100010 62 . 00101110 2E

c 01100011 63 line feed 00001010 0A

appendix c a simple machine language
Appendix C: A Simple Machine Language

Op-code Operand Description

1 RXY LOAD reg. R from cell XY.

2 RXY LOAD reg. R with XY.

3 RXY STORE reg. R at XY.

4 0RS MOVE R to S.

5 RST ADD S and T into R. (2’s comp.)

6 RST ADD S and T into R. (floating pt.)

appendix c a simple machine language continued
Appendix C: A Simple Machine Language (continued)

Op-code Operand Description

7 RST OR S and T into R.

8 RST AND S and T into R.

9 RST XOR S and T into R.

A R0X ROTATE reg. R X times.

B RXY JUMP to XY if R = reg. 0.

C 000 HALT.