Add solutions for part 1

This commit is contained in:
2020-11-15 13:57:48 -05:00
parent e4f9fd2682
commit 742db6d102
479 changed files with 202980 additions and 13 deletions

41
projects/04/mult/Mult.asm Normal file
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// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/04/Mult.asm
// Multiplies R0 and R1 and stores the result in R2.
// (R0, R1, R2 refer to RAM[0], RAM[1], and RAM[2], respectively.)
// R2 = 0
@R2
M = 0
// i = 0
@i
M = 0
(LOOP)
// (if i >= R0 <=> if i - R0 >= 0) goto END
@i
D = M
@R0
D = D - M
@END
D;JGE
// R2 = R2 + R1
@R1
D = M
@R2
M = M + D
// i++
@i
M = M + 1
// goto LOOP
@LOOP
0;JMP
(END)
@END
0;JMP

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| RAM[0] | RAM[1] | RAM[2] |
| 0 | 0 | 0 |
| 1 | 0 | 0 |
| 0 | 2 | 0 |
| 3 | 1 | 3 |
| 2 | 4 | 8 |
| 6 | 7 | 42 |

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0000000000010000
1110101010001000
0000000000000010
1110101010001000
0000000000010000
1111110000010000
0000000000000001
1111010011010000
0000000000010010
1110001100000011
0000000000010000
1111110111001000
0000000000000000
1111110000010000
0000000000000010
1111000010001000
0000000000000100
1110101010000111
0000000000010010
1110101010000111

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| RAM[0] | RAM[1] | RAM[2] |
| 0 | 0 | 0 |
| 1 | 0 | 0 |
| 0 | 2 | 0 |
| 3 | 1 | 3 |
| 2 | 4 | 8 |
| 6 | 7 | 42 |

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projects/04/mult/Mult.tst Normal file
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// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/04/mult/Mult.tst
load Mult.hack,
output-file Mult.out,
compare-to Mult.cmp,
output-list RAM[0]%D2.6.2 RAM[1]%D2.6.2 RAM[2]%D2.6.2;
set RAM[0] 0, // Set test arguments
set RAM[1] 0,
set RAM[2] -1; // Test that program initialized product to 0
repeat 20 {
ticktock;
}
set RAM[0] 0, // Restore arguments in case program used them as loop counter
set RAM[1] 0,
output;
set PC 0,
set RAM[0] 1, // Set test arguments
set RAM[1] 0,
set RAM[2] -1; // Ensure that program initialized product to 0
repeat 50 {
ticktock;
}
set RAM[0] 1, // Restore arguments in case program used them as loop counter
set RAM[1] 0,
output;
set PC 0,
set RAM[0] 0, // Set test arguments
set RAM[1] 2,
set RAM[2] -1; // Ensure that program initialized product to 0
repeat 80 {
ticktock;
}
set RAM[0] 0, // Restore arguments in case program used them as loop counter
set RAM[1] 2,
output;
set PC 0,
set RAM[0] 3, // Set test arguments
set RAM[1] 1,
set RAM[2] -1; // Ensure that program initialized product to 0
repeat 120 {
ticktock;
}
set RAM[0] 3, // Restore arguments in case program used them as loop counter
set RAM[1] 1,
output;
set PC 0,
set RAM[0] 2, // Set test arguments
set RAM[1] 4,
set RAM[2] -1; // Ensure that program initialized product to 0
repeat 150 {
ticktock;
}
set RAM[0] 2, // Restore arguments in case program used them as loop counter
set RAM[1] 4,
output;
set PC 0,
set RAM[0] 6, // Set test arguments
set RAM[1] 7,
set RAM[2] -1; // Ensure that program initialized product to 0
repeat 210 {
ticktock;
}
set RAM[0] 6, // Restore arguments in case program used them as loop counter
set RAM[1] 7,
output;