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Aviator on the BBC Micro

Maths: matrix4Hi

Name: matrix4Hi [Show more] Type: Variable Category: Maths Summary: The high bytes of matrix 4
Context: See this variable in context in the source code References: This variable is used as follows: * ArtificialHorizon calls matrix4Hi * SetMatrices calls matrix4Hi

If bit 0 is set in the low byte of a matrix entry, then it is negative.
.matrix4Hi EQUB &FA, &32, &0D EQUB &34, &F2, &3F EQUB &00, &40, &F7