repos / gbc

2dMatrix.b

 1main() {
 2    extrn printf;
 3    auto W, H, i, j, word_size;
 4
 5    word_size = &0[1];
 6    W = 5;
 7    H = 4;
 8
 9    auto matrix_data 20; // H * W = 4 * 5 = 20 words // :3
10
11    // Allocate an array of pointers for the rows
12    auto matrix 4;
13
14    // Set row pointers to point into the data block
15    i = 0;
16    while (i < H) {
17        matrix[i] = &matrix_data[i * W];
18        i++;
19    }
20
21    i = 0;
22    while (i < H) {
23        j = 0;
24        while (j < W) {
25            matrix[i][j] = i * 10 + j;
26            j++;
27        }
28        i++;
29    }
30
31    printf("Printing a %d by %d matrix\n", H, W);
32    i = 0;
33    while (i < H) {
34        j = 0;
35        while (j < W) {
36            printf("%d\t", matrix[i][j]);
37            j++;
38        }
39        printf("\n");
40        i++;
41    }
42}