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Sprint-Challenge--Computer-Architecture

Binary, Decimal, and Hex

Complete the following problems:

  • Convert 11001111 binary

    to hex: CF

    to decimal: 207

  • Convert 4C hex

    to binary: 01001100

    to decimal: 76

  • Convert 68 decimal

    to hex: 44

    to binary: 01000100

Architecture

Short answer:

  • Explain how the CPU provides concurrency or parallelism:

  • Describe assembly language and machine language:

Coding

Options for submission, whichever is easier for you:

  • Copy your source into this repo, or...
  • Submit a PR for the Sprint Challenge from the Computer-Architecture-One repo you've been using all along.

Sprint Challenge:

See the LS-8 spec for details

Add the CMP instruction and equal flag to your LS-8.

Add the JMP instruction.

Add the JEQ and JNE instructions.

Here is some code that exercises the above instructions. It should print:

1
4
5

# Code to test the Sprint Challenge
#
# Expected output:
# 1
# 4
# 5

10011001 # LDI R0,10
00000000
00001010
10011001 # LDI R1,20
00000001
00010100
10011001 # LDI R2,TEST1
00000010
00010011
10100000 # CMP R0,R1
00000000
00000001
01010001 # JEQ R2        Does not jump because R0 != R1
00000010
10011001 # LDI R3,1
00000011
00000001
01000011 # PRN R3        Prints 1
00000011

# TEST1 (19):
10011001 # LDI R2,TEST2
00000010
00100000
10100000 # CMP R0,R1
00000000
00000001
01010010 # JNE R2        Jumps because R0 != R1
00000010
10011001 # LDI R3,2
00000011
00000010
01000011 # PRN R3        Skipped--does not print
00000011

# TEST2 (32):
10011001 # LDI R1,10
00000001
00001010
10011001 # LDI R2,TEST3
00000010
00110000
10100000 # CMP R0,R1
00000000
00000001
01010001 # JEQ R2        Jumps becuase R0 == R1
00000010
10011001 # LDI R3,3
00000011
00000011
01000011 # PRN R3        Skipped--does not print
00000011

# TEST3 (48):
10011001 # LDI R2,TEST4
00000010
00111101
10100000 # CMP R0,R1
00000000
00000001
01010010 # JNE R2        Does not jump because R0 == R1
00000010
10011001 # LDI R3,4
00000011
00000100
01000011 # PRN R3        Prints 4
00000011

# TEST4 (61):
10011001 # LDI R3,5
00000011
00000101
01000011 # PRN R3        Prints 5
00000011
10011001 # LDI R2,TEST5
00000010
01001001
01010000 # JMP R2        Jumps unconditionally
00000010
01000011 # PRN R3        Skipped-does not print
00000011

# TEST5 (73):
00000001 # HLT

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