etc
/
furnace
mirror of https://github.com/tildearrow/furnace.git
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ES5506: strip away rRead

This commit is contained in:
tildearrow 2023-02-10 19:27:11 -05:00
parent e38e8fcc5f
commit 9cd6c397f3
1 changed files with 2 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/engine/platform/es5506.cpp
View File

@ -27,7 +27,7 @@
#define NOTE_ES5506(c,note) (parent->calcBaseFreq(chipClock,chan[c].pcm.freqOffs,note,false))
#define rWrite(a,...) {if(!skipRegisterWrites) {hostIntf32.emplace(4,(a),__VA_ARGS__); }}
#define rRead(a,st,...) {hostIntf32.emplace(st,4,(a),__VA_ARGS__);}
//#define rRead(a,st,...) {hostIntf32.emplace(st,4,(a),__VA_ARGS__);}
#define immWrite(a,...) {hostIntf32.emplace(4,(a),__VA_ARGS__);}
#define pageWrite(p,a,...) \
if (!skipRegisterWrites) { \
@ -179,19 +179,9 @@ void DivPlatformES5506::e_pin(bool state) {
QueuedHostIntf w=hostIntf8.front();
unsigned char shift=24-(w.step<<3);
if (w.isRead) {
*w.read=((*w.read)&(~((0xff<<shift)&w.mask)))|((es5506.host_r((w.addr<<2)+w.step)<<shift)&w.mask);
if (w.step==3) {
if (w.delay>0) {
cycle+=w.delay;
}
queuedReadState.emplace(w.read,w.state);
isReaded=true;
} else {
isReaded=false;
}
logE("READING?!");
hostIntf8.pop();
} else {
isReaded=false;
unsigned int mask=(w.mask>>shift)&0xff;
if ((mask==0xff) || isMasked) {
if (mask==0xff) {
@ -213,28 +203,6 @@ void DivPlatformES5506::e_pin(bool state) {
}
}
}
if (!queuedReadState.empty()) {
QueuedReadState w=queuedReadState.front();
const unsigned char state=w.state;
if (state&0x80) {
if (irqTrigger) {
if ((irqv&0x80)==0) {
queuedRead.emplace(irqv&0x1f);
}
irqTrigger=false;
}
}
queuedReadState.pop();
}
if (!queuedRead.empty()) {
unsigned char ch=queuedRead.front()&0x1f;
if (chan[ch].isReverseLoop) { // Reversed loop
pageWriteMask(0x00|ch,0x5f,0x00,(chan[ch].pcm.direction?0x0000:0x0040)|0x08,0x78);
chan[ch].isReverseLoop=false;
}
queuedRead.pop();
}
isReaded=false;
}
void DivPlatformES5506::irqb(bool state) {
@ -1172,7 +1140,6 @@ void DivPlatformES5506::reset() {
maskedVal=0;
irqv=0x80;
isMasked=false;
isReaded=false;
irqTrigger=false;
prevChanCycle=0;
chanMax=initChanMax;