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dreamcast: Default broadcast follows the region

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Broadcast has a Default entry in the settings (value 4), but
fixUpDCFlash() only writes values in range, so Default left the flash
byte alone: NTSC from the factory block on a fresh flash, or whatever
the last explicit choice had written. A PAL game booted in NTSC with
Broadcast on Default.

Region's own Default is resolved from IP.BIN just above; resolve
Broadcast the same way: PAL for Europe, NTSC otherwise. Applied with
override() at load, like the region, so the saved setting stays Default.

Testing: compiles on macOS arm64.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
Joseph MattielloandClaude Opus 5.5 authored and flyinghead committed 2026-10-27 11:48:03 +01:00
1 parent 11ba75f843
commit 1b63c8a367
1 file changed
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core/emulator.cpp
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@@ -238,6 +238,13 @@ static void loadSpecialSettings()
}
else
WARN_LOG(BOOT, "No region specified in IP.BIN");
// Broadcast left on Default follows the region, the way Region's own
// Default follows IP.BIN above: PAL for Europe, NTSC otherwise.
// fixUpDCFlash() skips the out-of-range Default value, which left the
// flash byte at the factory setting (NTSC) or at whatever the last
// explicit choice wrote.
if (config::Broadcast == 4)
config::Broadcast.override(config::Region == 2 ? 1 : 0);
if (config::Cable <= 1 && (!ip_meta.supportsVGA()
|| prod_id == "T-12504N" // Caesar's Palace (NTSC)
|| prod_id == "12502D-50")) // Caesar's Palace (PAL)