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implement command playback - UNTESTED!

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This commit is contained in:
tildearrow 2025-04-05 19:27:44 -05:00
parent d7922baa07
commit 6fba60818d
3 changed files with 169 additions and 33 deletions
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60
src/engine/cmdStreamOps.cpp
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@ -913,7 +913,32 @@ SafeWriter* DivEngine::saveCommand() {
extValuePresent=false;
BUSY_END;
// PASS 1: condense delays
// PASS 1: optimize command calls
// calculate command usage
int sortCand=-1;
int sortPos=0;
while (sortPos<16) {
sortCand=-1;
for (int i=DIV_CMD_SAMPLE_MODE; i<256; i++) {
if (cmdPopularity[i]) {
if (sortCand==-1) {
sortCand=i;
} else if (cmdPopularity[sortCand]<cmdPopularity[i]) {
sortCand=i;
}
}
}
if (sortCand==-1) break;
sortedCmdPopularity[sortPos]=cmdPopularity[sortCand];
sortedCmd[sortPos]=sortCand;
cmdPopularity[sortCand]=0;
sortPos++;
}
// set speed dial commands (TODO)
// PASS 2: condense delays
// calculate delay usage
for (int h=0; h<chans; h++) {
unsigned char* buf=chanStream[h]->getFinalBuf();
@ -937,8 +962,8 @@ SafeWriter* DivEngine::saveCommand() {
}
// preset delays
int sortCand=-1;
int sortPos=0;
sortCand=-1;
sortPos=0;
while (sortPos<16) {
sortCand=-1;
for (int i=0; i<256; i++) {
@ -1015,14 +1040,14 @@ SafeWriter* DivEngine::saveCommand() {
}
}
// PASS 2: remove nop's
// PASS 3: remove nop's
// this includes modifying call addresses to compensate
for (int h=0; h<chans; h++) {
chanStream[h]=stripNops(chanStream[h],sortedCmd);
}
#ifndef DISABLE_BLOCK_SEARCH
// PASS 3: find sub-blocks and isolate them
// PASS 4: find sub-blocks and isolate them
for (int h=0; h<chans; h++) {
std::vector<SafeWriter*> subBlocks;
size_t beforeSize=chanStream[h]->size();
@ -1109,34 +1134,11 @@ SafeWriter* DivEngine::saveCommand() {
}
#endif
// PASS 4: remove nop's (again)
// PASS 5: remove nop's (again)
for (int h=0; h<chans; h++) {
chanStream[h]=stripNops(chanStream[h],sortedCmd);
}
// PASS 5: optimize command calls
/*
int sortCand=-1;
int sortPos=0;
while (sortPos<16) {
sortCand=-1;
for (int i=DIV_CMD_SAMPLE_MODE; i<256; i++) {
if (cmdPopularity[i]) {
if (sortCand==-1) {
sortCand=i;
} else if (cmdPopularity[sortCand]<cmdPopularity[i]) {
sortCand=i;
}
}
}
if (sortCand==-1) break;
sortedCmdPopularity[sortPos]=cmdPopularity[sortCand];
sortedCmd[sortPos]=sortCand;
cmdPopularity[sortCand]=0;
sortPos++;
}*/
// write results
for (int i=0; i<chans; i++) {
chanStreamOff[i]=w->tell();