more work on the command stream debugger

src/engine/cmdStream.cpp

@@ -89,6 +89,7 @@ bool DivCSPlayer::tick() {
         command=fastCmds[next&15];
       } else if (next>=0xe0 && next<=0xef) { // preset delay
         chan[i].waitTicks=fastDelays[next&15];
+        chan[i].lastWaitLen=chan[i].waitTicks;
       } else switch (next) {
         case 0xb4: // note on null
           e->dispatchCmd(DivCommand(DIV_CMD_NOTE_ON,i,DIV_NOTE_NULL));
@@ -156,12 +157,15 @@ bool DivCSPlayer::tick() {
           break;
         case 0xfc:
           chan[i].waitTicks=(unsigned short)stream.readS();
+          chan[i].lastWaitLen=chan[i].waitTicks;
           break;
         case 0xfd:
           chan[i].waitTicks=(unsigned char)stream.readC();
+          chan[i].lastWaitLen=chan[i].waitTicks;
           break;
         case 0xfe:
           chan[i].waitTicks=1;
+          chan[i].lastWaitLen=chan[i].waitTicks;
           break;
         case 0xff:
           chan[i].readPos=chan[i].startPos;

src/engine/cmdStream.h

@@ -23,12 +23,15 @@
 #include "defines.h"
 #include "safeReader.h"
 
+#define DIV_MAX_CSTRACE 64
+
 class DivEngine;
 
 struct DivCSChannelState {
   unsigned int startPos;
   unsigned int readPos;
   int waitTicks;
+  int lastWaitLen;
 
   int note, pitch;
   int volume, volMax, volSpeed;
@@ -39,11 +42,7 @@ struct DivCSChannelState {
   unsigned int callStack[8];
   unsigned char callStackPos;
 
-  struct TraceEntry {
+  unsigned int trace[DIV_MAX_CSTRACE];
-    unsigned int addr;
-    unsigned char length;
-    unsigned char data[11];
-  } trace[32];
   unsigned char tracePos;
 
   bool doCall(unsigned int addr);
@@ -51,6 +50,7 @@ struct DivCSChannelState {
   DivCSChannelState():
     readPos(0),
     waitTicks(0),
+    lastWaitLen(0),
     note(-1),
     pitch(0),
     volume(0x7f00),
@@ -64,7 +64,12 @@ struct DivCSChannelState {
     arp(0),
     arpStage(0),
     arpTicks(0),
-    callStackPos(0) {}
+    callStackPos(0),
+    tracePos(0) {
+    for (int i=0; i<DIV_MAX_CSTRACE; i++) {
+      trace[i]=0;
+    }
+  }
 };
 
 class DivCSPlayer {

src/gui/csPlayer.cpp

@@ -21,6 +21,10 @@
 #include <fmt/printf.h>
 #include "imgui.h"
 
+String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr) {
+  return "TODO";
+}
+
 void FurnaceGUI::drawCSPlayer() {
   if (nextWindow==GUI_WINDOW_CS_PLAYER) {
     csPlayerOpen=true;
@@ -58,6 +62,71 @@ void FurnaceGUI::drawCSPlayer() {
       if (ImGui::BeginTabBar("CSOptions")) {
         int chans=e->getTotalChannelCount();
         if (ImGui::BeginTabItem("Status")) {
+          if (ImGui::BeginTable("CSStat",11,ImGuiTableFlags_SizingFixedSame|ImGuiTableFlags_ScrollX|ImGuiTableFlags_Borders)) {
+            ImGui::TableSetupScrollFreeze(1,1);
+            ImGui::TableNextRow(ImGuiTableRowFlags_Headers);
+            ImGui::TableNextColumn();
+            ImGui::Text("channel");
+            ImGui::TableNextColumn();
+            ImGui::Text("start");
+            ImGui::TableNextColumn();
+            ImGui::Text("PC");
+            ImGui::TableNextColumn();
+            ImGui::Text("wait");
+            ImGui::TableNextColumn();
+            ImGui::Text("SP");
+            ImGui::TableNextColumn();
+            ImGui::Text("note");
+            ImGui::TableNextColumn();
+            ImGui::Text("pitch");
+            ImGui::TableNextColumn();
+            ImGui::Text("vol");
+            ImGui::TableNextColumn();
+            ImGui::Text("vols");
+            ImGui::TableNextColumn();
+            ImGui::Text("vib");
+            ImGui::TableNextColumn();
+            ImGui::Text("porta");
+            ImGui::TableNextColumn();
+            ImGui::Text("arp");
+
+            for (int i=0; i<chans; i++) {
+              DivCSChannelState* state=cs->getChanState(i);
+              ImGui::TableNextRow();
+              ImGui::TableNextColumn();
+              ImGui::Text("%d",i);
+              ImGui::TableNextColumn();
+              ImGui::Text("$%.4x",state->startPos);
+              ImGui::TableNextColumn();
+              ImGui::Text("$%.4x",state->readPos);
+              ImGui::TableNextColumn();
+              ImGui::Text("%d/%d",state->waitTicks,state->lastWaitLen);
+              ImGui::TableNextColumn();
+              ImGui::Text("%d",state->callStackPos);
+              ImGui::TableNextColumn();
+              ImGui::Text("%d",state->note);
+              ImGui::TableNextColumn();
+              ImGui::Text("%d",state->pitch);
+              ImGui::TableNextColumn();
+              ImGui::Text("$%.4X",state->volume);
+              ImGui::TableNextColumn();
+              ImGui::Text("%+d",state->volSpeed);
+              ImGui::TableNextColumn();
+              ImGui::Text("%d/%d (%d)",state->vibratoDepth,state->vibratoRate,state->vibratoPos);
+              ImGui::TableNextColumn();
+              ImGui::Text("-> %d (%d)",state->portaTarget,state->portaSpeed);
+              ImGui::TableNextColumn();
+              ImGui::Text("$%.2X",state->arp);
+            }
+
+            ImGui::EndTable();
+          }
+          ImGui::EndTabItem();
+        }
+        if (ImGui::BeginTabItem("Trace")) {
+          ImGui::EndTabItem();
+        }
+        if (ImGui::BeginTabItem("Disassemble")) {
           ImGui::EndTabItem();
         }
         if (ImGui::BeginTabItem("Hex")) {