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prepare to use FixedQueue

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avoiding allocations in real-time code
This commit is contained in:
tildearrow 2023-07-12 19:43:15 -05:00
parent 90b76d20e3
commit dbd200c279
3 changed files with 85 additions and 3 deletions
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2
src/engine/platform/pce.cpp
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@ -22,7 +22,7 @@
#include <math.h>
//#define rWrite(a,v) pendingWrites[a]=v;
#define rWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
#define chWrite(c,a,v) \
if (!skipRegisterWrites) { \
if (curChan!=c) { \

5
src/engine/platform/pce.h
View file

@ -21,7 +21,7 @@
#define _PCE_H
#include "../dispatch.h"
#include <queue>
#include "../fixedQueue.h"
#include "../waveSynth.h"
#include "sound/pce_psg.h"
@ -62,9 +62,10 @@ class DivPlatformPCE: public DivDispatch {
struct QueuedWrite {
unsigned char addr;
unsigned char val;
QueuedWrite(): addr(0), val(9) {}
QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
};
std::queue<QueuedWrite> writes;
FixedQueue<QueuedWrite,512> writes;
unsigned char lastPan;
int cycles, curChan, delay;