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Oops, had the 2 matrix multiply order reversed!

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This commit is contained in:
Aaron Giles 2007-12-19 14:25:24 +00:00
parent f80cc32b04
commit 675246085e
1 changed files with 19 additions and 19 deletions
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36
src/mame/video/midzeus.c
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@ -878,25 +878,25 @@ static int zeus_fifo_process(const UINT32 *data, int numwords)
(float)(INT32)data[12] * (1.0f / (65536.0f * 512.0f)));
}
matrix1[0][0] = data[1];
matrix1[0][1] = data[2];
matrix1[0][2] = data[3];
matrix1[1][0] = data[1] >> 16;
matrix1[1][1] = data[2] >> 16;
matrix1[1][2] = data[3] >> 16;
matrix1[2][0] = data[5];
matrix1[2][1] = data[6];
matrix1[2][2] = data[7];
matrix1[0][0] = data[4];
matrix1[0][1] = data[4] >> 16;
matrix1[0][2] = data[5] >> 16;
matrix1[1][0] = data[8];
matrix1[1][1] = data[8] >> 16;
matrix1[1][2] = data[6] >> 16;
matrix1[2][0] = data[9];
matrix1[2][1] = data[9] >> 16;
matrix1[2][2] = data[7] >> 16;
matrix2[0][0] = data[4];
matrix2[0][1] = data[4] >> 16;
matrix2[0][2] = data[5] >> 16;
matrix2[1][0] = data[8];
matrix2[1][1] = data[8] >> 16;
matrix2[1][2] = data[6] >> 16;
matrix2[2][0] = data[9];
matrix2[2][1] = data[9] >> 16;
matrix2[2][2] = data[7] >> 16;
matrix2[0][0] = data[1];
matrix2[0][1] = data[2];
matrix2[0][2] = data[3];
matrix2[1][0] = data[1] >> 16;
matrix2[1][1] = data[2] >> 16;
matrix2[1][2] = data[3] >> 16;
matrix2[2][0] = data[5];
matrix2[2][1] = data[6];
matrix2[2][2] = data[7];
zeus_matrix[0][0] = ((INT64)(matrix1[0][0] * matrix2[0][0]) + (INT64)(matrix1[0][1] * matrix2[1][0]) + (INT64)(matrix1[0][2] * matrix2[2][0])) >> 16;
zeus_matrix[0][1] = ((INT64)(matrix1[0][0] * matrix2[0][1]) + (INT64)(matrix1[0][1] * matrix2[1][1]) + (INT64)(matrix1[0][2] * matrix2[2][1])) >> 16;