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Elite on the BBC Micro

Maths (Arithmetic): MLU2, Removed [Elite-A, Docked]

Name: MLU2, Removed [Show more] Type: Subroutine Category: Maths (Arithmetic) Summary: Calculate (A P) = |A| * Q
Context: See this subroutine in context in the source code References: No direct references to this subroutine in this source file

Do the following multiplication of a sign-magnitude 8-bit number P with an unsigned number Q: (A P) = |A| * Q
\ --- Mod: Original Acornsoft code removed: -----------> \.MLU2 \ AND #%01111111 \ Clear the sign bit in P, so P = |A| \ STA P \ \ Fall through into MULTU to calculate: \ \ \ \ (A P) = P * Q \ \ = |A| * Q \ --- End of removed code ----------------------------->