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author cam900 <dbtlrchl@naver.com>2025-09-14 23:09:01 +0900
committer GitHub <noreply@github.com>2025-09-15 00:09:01 +1000
commit669dd523e5f636a50a733f1ca35bf38a762bf4ec (patch)
tree5e17e97d7588b4f2ec132d27262c72b12c8996fc
parent9e0479a3532e93b0f1632772580ac2a482b4a3c4 (diff)
sound/k053260.cpp: Added TODO about reverse-engineered pan LUT. (#14169)
The pan LUT is mentioned in the reverse-engineered based on work by Furrtek: https://github.com/furrtek/SiliconRE/blob/master/Konami/053260/k053260_schematics.PDF
-rw-r--r--src/devices/sound/k053260.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/sound/k053260.cpp b/src/devices/sound/k053260.cpp
index f3dcb2f9b16..55683cb21d9 100644
--- a/src/devices/sound/k053260.cpp
+++ b/src/devices/sound/k053260.cpp
@@ -68,6 +68,7 @@ DEFINE_DEVICE_TYPE(K053260, k053260_device, "k053260", "Konami 053260 KDSC")
// Pan multipliers. Set according to integer angles in degrees, amusingly.
// Exact precision hard to know, the floating point-ish output format makes
// comparisons iffy. So we used a 1.16 format.
+// TODO: actually LUT-based - mentioned in RE'd schematics.
const int k053260_device::pan_mul[8][2] =
{
{ 0, 0 }, // No sound for pan 0