mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-27 23:13:01 +00:00
Fix initial channel, Minor optimization for N163
This commit is contained in:
parent
3561d866fb
commit
1019faf34c
2 changed files with 14 additions and 13 deletions
|
@ -21,7 +21,7 @@
|
|||
#include "../engine.h"
|
||||
#include <math.h>
|
||||
|
||||
#define rRead(a,v) n163->addr_w(a); n163->data_r(v);
|
||||
#define rRead(a,v) n163.addr_w(a); n163.data_r(v);
|
||||
#define rWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
|
||||
#define rWriteMask(a,v,m) if (!skipRegisterWrites) {writes.emplace(a,v,m); if (dumpWrites) {addWrite(a,v);} }
|
||||
#define chWrite(c,a,v) \
|
||||
|
@ -155,8 +155,8 @@ const char* DivPlatformN163::getEffectName(unsigned char effect) {
|
|||
|
||||
void DivPlatformN163::acquire(short* bufL, short* bufR, size_t start, size_t len) {
|
||||
for (size_t i=start; i<start+len; i++) {
|
||||
n163->tick();
|
||||
int out=(n163->out()<<6)*(chanMax+1); // scale to 16 bit
|
||||
n163.tick();
|
||||
int out=(n163.out()<<6)*(chanMax+1); // scale to 16 bit
|
||||
if (out>32767) out=32767;
|
||||
if (out<-32768) out=-32768;
|
||||
bufL[i]=bufR[i]=out;
|
||||
|
@ -164,8 +164,8 @@ void DivPlatformN163::acquire(short* bufL, short* bufR, size_t start, size_t len
|
|||
// command queue
|
||||
while (!writes.empty()) {
|
||||
QueuedWrite w=writes.front();
|
||||
n163->addr_w(w.addr);
|
||||
n163->data_w((n163->data_r()&~w.mask)|(w.val&w.mask));
|
||||
n163.addr_w(w.addr);
|
||||
n163.data_w((n163.data_r()&~w.mask)|(w.val&w.mask));
|
||||
writes.pop();
|
||||
}
|
||||
}
|
||||
|
@ -586,7 +586,7 @@ void* DivPlatformN163::getChanState(int ch) {
|
|||
|
||||
unsigned char* DivPlatformN163::getRegisterPool() {
|
||||
for (int i=0; i<128; i++) {
|
||||
regPool[i]=n163->reg(i);
|
||||
regPool[i]=n163.reg(i);
|
||||
}
|
||||
return regPool;
|
||||
}
|
||||
|
@ -601,15 +601,16 @@ void DivPlatformN163::reset() {
|
|||
chan[i]=DivPlatformN163::Channel();
|
||||
}
|
||||
|
||||
n163->reset();
|
||||
n163.reset();
|
||||
memset(regPool,0,128);
|
||||
|
||||
n163->set_disable(false);
|
||||
rWrite(0x7f,chanMax<<4);
|
||||
n163.set_disable(false);
|
||||
chanMax=initChanMax;
|
||||
loadWave=-1;
|
||||
loadPos=0;
|
||||
loadLen=0;
|
||||
loadMode=0;
|
||||
rWrite(0x7f,initChanMax<<4);
|
||||
}
|
||||
|
||||
void DivPlatformN163::poke(unsigned int addr, unsigned short val) {
|
||||
|
@ -632,9 +633,10 @@ void DivPlatformN163::setFlags(unsigned int flags) {
|
|||
rate=COLOR_PAL*2.0/5.0;
|
||||
break;
|
||||
}
|
||||
chanMax=(flags>>4)&7;
|
||||
initChanMax=chanMax=(flags>>4)&7;
|
||||
chipClock=rate;
|
||||
rate/=15;
|
||||
rWrite(0x7f,initChanMax<<4);
|
||||
}
|
||||
|
||||
int DivPlatformN163::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
||||
|
@ -644,7 +646,6 @@ int DivPlatformN163::init(DivEngine* p, int channels, int sugRate, unsigned int
|
|||
for (int i=0; i<8; i++) {
|
||||
isMuted[i]=false;
|
||||
}
|
||||
n163=new n163_core();
|
||||
setFlags(flags);
|
||||
|
||||
reset();
|
||||
|
@ -653,7 +654,6 @@ int DivPlatformN163::init(DivEngine* p, int channels, int sugRate, unsigned int
|
|||
}
|
||||
|
||||
void DivPlatformN163::quit() {
|
||||
delete n163;
|
||||
}
|
||||
|
||||
DivPlatformN163::~DivPlatformN163() {
|
||||
|
|
|
@ -71,11 +71,12 @@ class DivPlatformN163: public DivDispatch {
|
|||
QueuedWrite(unsigned char a, unsigned char v, unsigned char m=~0): addr(a), val(v), mask(m) {}
|
||||
};
|
||||
std::queue<QueuedWrite> writes;
|
||||
unsigned char initChanMax;
|
||||
unsigned char chanMax;
|
||||
short loadWave, loadPos, loadLen;
|
||||
unsigned char loadMode;
|
||||
|
||||
n163_core *n163;
|
||||
n163_core n163;
|
||||
unsigned char regPool[128];
|
||||
void updateWave(int wave, int pos, int len);
|
||||
void updateWaveCh(int ch);
|
||||
|
|
Loading…
Reference in a new issue