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trace window, kinda

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This commit is contained in:
tildearrow 2024-03-10 20:57:50 -05:00
parent 9270df0145
commit 49e3e9a457
2 changed files with 121 additions and 0 deletions
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6
src/engine/cmdStream.cpp
View file

@ -77,6 +77,12 @@ bool DivCSPlayer::tick() {
chan[i].readPos=0;
break;
}
chan[i].trace[chan[i].tracePos++]=chan[i].readPos;
if (chan[i].tracePos>=DIV_MAX_CSTRACE) {
chan[i].tracePos=0;
}
unsigned char next=stream.readC();
unsigned char command=0;
bool mustTell=true;

115
src/gui/csPlayer.cpp
View file

@ -20,8 +20,85 @@
#include "gui.h"
#include <fmt/printf.h>
#include "imgui.h"
#include "guiConst.h"
// TODO: memory safety
String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr) {
if (addr>=bufLen) return "???";
if (buf[addr]<0xb4) {
return fmt::sprintf("note %s",noteNames[buf[addr]]);
} else switch (buf[addr]) {
case 0xb4:
return "note null";
break;
case 0xb5:
return "off";
break;
case 0xb6:
return "offrel";
break;
case 0xb7:
return "mrel";
break;
case 0xb8:
return fmt::sprintf("ins $%.2x",(int)buf[addr+1]);
break;
case 0xbe:
return fmt::sprintf("pan $%x, $%x",(int)buf[addr+1],(int)buf[addr+2]);
break;
case 0xc0:
return fmt::sprintf("preporta $%.2x",(int)buf[addr+1]);
break;
case 0xc2:
return fmt::sprintf("vib %d, %d",(int)buf[addr+1],(int)buf[addr+2]);
break;
case 0xc3:
return fmt::sprintf("vibrange %d",(int)buf[addr+1]);
break;
case 0xc4:
return fmt::sprintf("vibshape %d",(int)buf[addr+1]);
break;
case 0xc5:
return fmt::sprintf("pitch $%.2x",(int)buf[addr+1]);
break;
case 0xc6:
return fmt::sprintf("arp %d, %d",(int)buf[addr+1],(int)buf[addr+2]);
break;
case 0xc7:
return fmt::sprintf("vol $%.2x",(int)buf[addr+1]);
break;
case 0xc8:
return fmt::sprintf("volslide %d",(int)((short)(buf[addr+1]|(buf[addr+2]<<8))));
break;
case 0xc9:
return fmt::sprintf("porta %d, %d",(int)buf[addr+1],(int)buf[addr+2]);
break;
case 0xca:
return fmt::sprintf("legato %d",(int)buf[addr+1]);
break;
case 0xe0: case 0xe1: case 0xe2: case 0xe3:
case 0xe4: case 0xe5: case 0xe6: case 0xe7:
case 0xe8: case 0xe9: case 0xea: case 0xeb:
case 0xec: case 0xed: case 0xee: case 0xef:
return fmt::sprintf("qwait (%d)",(int)(buf[addr]-0xe0));
break;
case 0xfc:
return fmt::sprintf("waits %d",(int)(buf[addr+1]|(buf[addr+2]<<8)));
break;
case 0xfd:
return fmt::sprintf("waitc %d",(int)buf[addr+1]);
break;
case 0xfe:
return "wait 1";
break;
case 0xff:
return "stop";
break;
default:
return "ill";
break;
}
return "TODO";
}
@ -124,6 +201,44 @@ void FurnaceGUI::drawCSPlayer() {
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Trace")) {
ImGui::PushFont(patFont);
if (ImGui::BeginTable("CSTrace",chans,ImGuiTableFlags_SizingFixedSame|ImGuiTableFlags_Borders|ImGuiTableFlags_ScrollX)) {
char tempID[32];
for (int i=0; i<chans; i++) {
snprintf(tempID,31,"c%d",i);
ImGui::TableSetupColumn(tempID,ImGuiTableColumnFlags_WidthFixed,200.0*dpiScale);
}
ImGui::TableNextRow(ImGuiTableRowFlags_Headers);
for (int i=0; i<chans; i++) {
DivCSChannelState* state=cs->getChanState(i);
ImGui::TableNextColumn();
ImGui::Text("%d: $%.4x",i,state->readPos);
}
ImGui::TableNextRow();
unsigned char* buf=cs->getData();
size_t bufSize=cs->getDataLen();
for (int i=0; i<chans; i++) {
DivCSChannelState* state=cs->getChanState(i);
ImGui::TableNextColumn();
int maxItems=(ImGui::GetContentRegionAvail().y/MAX(ImGui::GetTextLineHeightWithSpacing(),1.0f));
if (maxItems>=DIV_MAX_CSTRACE) maxItems=DIV_MAX_CSTRACE-1;
int tracePos=state->tracePos;
for (int j=(tracePos-maxItems)&(DIV_MAX_CSTRACE-1); j!=tracePos; j=(j+1)&(DIV_MAX_CSTRACE-1)) {
if (state->trace[j]==0) {
ImGui::TextUnformatted("...");
} else {
String dis=disasmCmd(buf,bufSize,state->trace[j]);
ImGui::Text("%.4x: %s",state->trace[j],dis.c_str());
}
}
}
ImGui::EndTable();
}
ImGui::PopFont();
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Disassemble")) {