Skip to navigation

Elite on the BBC Micro

Maths (Arithmetic): logL (6502SP version)

Name: logL [View in context] Type: Variable [Compare versions] Category: Maths (Arithmetic) Summary: Binary logarithm table (low byte)
Byte n contains the low byte of: 32 * log2(n) * 256
.logL SKIP 1 FOR I%, 1, 255 B% = INT(&2000 * LOG(I%) / LOG(2) + 0.5) EQUB B% MOD 256 NEXT