From c45816b8f2bc7a0eb232c706767338237fc1ac03 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 29 Sep 2022 00:38:18 -0500
Subject: [PATCH] DAC: fix wavetable mode

---
 src/engine/platform/pcmdac.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/engine/platform/pcmdac.cpp b/src/engine/platform/pcmdac.cpp
index f7db0ef4c..ae3362ecd 100644
--- a/src/engine/platform/pcmdac.cpp
+++ b/src/engine/platform/pcmdac.cpp
@@ -47,7 +47,7 @@ void DivPlatformPCMDAC::acquire(short* bufL, short* bufR, size_t start, size_t l
           chan.audPos%=chan.audLen;
           chan.audDir=false;
         }
-        output=(chan.ws.output[chan.audPos]^0x80)<<8;
+        output=(chan.ws.output[chan.audPos]-0x80)<<8;
       } else {
         DivSample* s=parent->getSample(chan.sample);
         if (s->samples>0) {
@@ -195,7 +195,7 @@ int DivPlatformPCMDAC::dispatch(DivCommand c) {
       DivInstrument* ins=parent->getIns(chan.ins,DIV_INS_AMIGA);
       if (ins->amiga.useWave) {
         chan.useWave=true;
-        chan.audLen=ins->amiga.waveLen;
+        chan.audLen=ins->amiga.waveLen+1;
         if (chan.insChanged) {
           if (chan.wave<0) {
             chan.wave=0;