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Aviator on the BBC Micro

Maths: matrix1Hi

Name: matrix1Hi [Show more] Type: Variable Category: Maths Summary: The high bytes of matrix 1
Context: See this variable in context in the source code References: This variable is used as follows: * SetMatrices calls matrix1Hi * SetMatrixEntry calls matrix1Hi * SetObjPointCoords (Part 1 of 2) calls matrix1Hi * SetPointCoords calls matrix1Hi

If bit 0 is set in the low byte of a matrix entry, then it is negative.
.matrix1Hi EQUB &B2, &32, &AF EQUB &0B, &F2, &51 EQUB &B6, &40, &A7