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VGM export: prepare for "direct stream mode"

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this will eventually allow for DualPCM and MSM6258 export

DO NOT USE YET
This commit is contained in:
tildearrow 2022-10-17 04:17:00 -05:00
parent c3e2e902af
commit 684b5a928b
7 changed files with 147 additions and 126 deletions
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4
src/engine/engine.h
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@ -431,7 +431,7 @@ class DivEngine {
void processRow(int i, bool afterDelay);
void nextOrder();
void nextRow();
void performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample, bool* sampleDir, bool isSecond);
void performVGMWrite(SafeWriter* w, DivSystem sys, DivRegWrite& write, int streamOff, double* loopTimer, double* loopFreq, int* loopSample, bool* sampleDir, bool isSecond, bool directStream);
// returns true if end of song.
bool nextTick(bool noAccum=false, bool inhibitLowLat=false);
bool perSystemEffect(int ch, unsigned char effect, unsigned char effectVal);
@ -515,7 +515,7 @@ class DivEngine {
// specify system to build ROM for.
SafeWriter* buildROM(int sys);
// dump to VGM.
SafeWriter* saveVGM(bool* sysToExport=NULL, bool loop=true, int version=0x171, bool patternHints=false);
SafeWriter* saveVGM(bool* sysToExport=NULL, bool loop=true, int version=0x171, bool patternHints=false, bool directStream=false);
// dump to ZSM.
SafeWriter* saveZSM(unsigned int zsmrate=60, bool loop=true);
// dump command stream.