Optimized SongInit a bit

2022-12-28 16:48:27 +01:00 · 2022-12-28 16:48:27 +01:00 · 0ec98b5b1e
commit 0ec98b5b1e
parent 6a069ac78a
1 changed files with 3 additions and 1 deletions
--- a/src/raspberry_casket.asm
+++ b/src/raspberry_casket.asm
@ -900,7 +900,9 @@ pre_SongInit:
        move.l  d1,sv_wavelength_table-sv_waveinfo_table(a1)
        btst    #2,wi_flags_b(a3)
        beq.s   .onlythreeocts
-        mulu    #15,d1
+        move.l  d1,d2
+        lsl.l   #4,d1           ; * 16
+        sub.l   d2,d1           ; * 15
        lsr.l   #3,d1           ; * 1.875
 .onlythreeocts
        move.l  d1,sv_wavetotal_table-sv_waveinfo_table(a1)