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fix out of range effect value crash

This commit is contained in:
tildearrow 2023-05-09 03:36:05 -05:00
parent 54049508bc
commit 2c18d1ebd4
1 changed files with 7 additions and 4 deletions
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11
src/engine/playback.cpp
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@ -417,6 +417,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
short effectVal=pat->data[whatRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
effectVal&=255;
switch (effect) {
case 0x09: // select groove pattern/speed 1
@ -597,6 +598,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
short effectVal=pat->data[whatRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
effectVal&=255;
// per-system effect
if (!perSystemEffect(i,effect,effectVal)) switch (effect) {
@ -1064,6 +1066,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
short effectVal=pat->data[whatRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
effectVal&=255;
perSystemPostEffect(i,effect,effectVal);
}
}
@ -1203,7 +1206,7 @@ void DivEngine::nextRow() {
for (int j=0; j<curPat[i].effectCols; j++) {
if (pat->data[curRow][4+(j<<1)]==0xed) {
if (pat->data[curRow][5+(j<<1)]>0) {
addition=pat->data[curRow][5+(j<<1)];
addition=pat->data[curRow][5+(j<<1)]&255;
break;
}
}
@ -1233,7 +1236,7 @@ void DivEngine::nextRow() {
}
if (pat->data[curRow][4+(j<<1)]==0xed) {
if (pat->data[curRow][5+(j<<1)]>0) {
addition=pat->data[curRow][5+(j<<1)];
addition=pat->data[curRow][5+(j<<1)]&255;
break;
}
}
@ -1388,10 +1391,10 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
}
if (chan[i].vibratoDepth>0) {
chan[i].vibratoPos+=chan[i].vibratoRate;
if (chan[i].vibratoPos>=64) chan[i].vibratoPos-=64;
while (chan[i].vibratoPos>=64) chan[i].vibratoPos-=64;
chan[i].vibratoPosGiant+=chan[i].vibratoRate;
if (chan[i].vibratoPos>=512) chan[i].vibratoPos-=512;
while (chan[i].vibratoPos>=512) chan[i].vibratoPos-=512;
switch (chan[i].vibratoDir) {
case 1: // up