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more command stream playback work

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This commit is contained in:
tildearrow 2023-03-27 00:40:54 -05:00
parent 84e13cc91e
commit da7d67fa85
4 changed files with 158 additions and 29 deletions
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31
src/engine/cmdStream.h
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@ -29,14 +29,41 @@ struct DivCSChannelState {
unsigned int readPos;
int waitTicks;
int note, pitch;
int volume, volMax, volSpeed;
int vibratoDepth, vibratoRate, vibratoPos;
int portaTarget, portaSpeed;
unsigned char arp, arpStage, arpTicks;
unsigned int callStack[8];
unsigned char callStackPos;
struct TraceEntry {
unsigned int addr;
unsigned char length;
unsigned char data[11];
} trace[32];
unsigned char tracePos;
bool doCall(unsigned int addr);
DivCSChannelState():
readPos(0),
waitTicks(0),
note(-1),
pitch(0),
volume(0x7f00),
volMax(0),
volSpeed(0) {}
volSpeed(0),
vibratoDepth(0),
vibratoRate(0),
vibratoPos(0),
portaTarget(0),
portaSpeed(0),
arp(0),
arpStage(0),
arpTicks(0),
callStackPos(0) {}
};
class DivCSPlayer {
@ -46,6 +73,8 @@ class DivCSPlayer {
DivCSChannelState chan[DIV_MAX_CHANS];
unsigned char fastDelays[16];
unsigned char fastCmds[16];
short vibTable[64];
public:
void cleanup();
bool tick();