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iidx: show error message for emulated I/O mismatch in LDJ/TDJ sub overlay (#555)

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## Link to GitHub Issue, if one exists
#345 

## Description of change
When DLL is configured to use TDJ I/O but spice is in LDJ mode, show an
error in LED ticker suggesting the user to turn on `-iidxtdj`.

When DLL is configured to use LDJ I/O but spice is in TDJ mode, show an
error in TDJ overaly suggesting the user to fix the DLL.

Fix a small bug that caused a white window to be created when `-w` is
enabled even when `-iidxtdj` is not, but DLL is using TDJ I/O.
This commit is contained in:
bicarus
2026-02-15 19:49:07 -08:00
committed by GitHub
parent 408ed17521
commit dc82c980b1
7 changed files with 47 additions and 9 deletions
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src/spice2x/overlay/windows/iidx_sub.cpp
+14 -4
View File
@@ -12,11 +12,9 @@ namespace overlay::windows {
this->title = "IIDX TDJ Subscreen";
if (GRAPHICS_IIDX_WSUB) {
this->disabled_message =
"Close this overlay and use the second window (ALT+TAB).\n"
"If you don't see the window, double check your DLL type and apply TDJ I/O patches as needed.";
this->disabled_message = "Close this overlay and use the second window. (try ALT+TAB)";
} else if (games::iidx::IIDX_TDJ_MONITOR_WARNING) {
this->disabled_message = "TDJ mode subscreen overlay is not compatible with -monitor option";
this->disabled_message = "TDJ mode subscreen overlay is not compatible with -monitor option.";
}
float size = 0.5f;
@@ -44,6 +42,18 @@ namespace overlay::windows {
ImGui::GetIO().DisplaySize.y - this->init_size.y - (ImGui::GetFrameHeight() / 2));
}
void IIDXSubScreen::check_for_errors() {
if (games::iidx::CURRENT_IO_EMULATION_STATE ==
games::iidx::iidx_aio_emulation_state::bi2a_com2) {
// explicitly check if LDJ I/O is enabled (as opposed to checking if NOT TDJ I/O)
// to account for the fact that I/O emulation may be disabled
this->disabled_message =
"LDJ I/O detected; TDJ mode subscreen overlay requires TDJ I/O.\n"
"Ensure you apply applicable TDJ I/O patches, or run with TDJ DLL.";
}
}
void IIDXSubScreen::touch_transform(const ImVec2 xy_in, LONG *x_out, LONG *y_out) {
if (!this->get_active()) {
return;