gearmulator

commit e8c5c87500f39f80250d7a824882f5b803268da7
parent bda357886a32743c9dddb4a35e4f2142d9568f3f
Author: dsp56300 <dsp56300@users.noreply.github.com>
Date:   Sat,  8 Jun 2024 02:01:31 +0200

add support for Virus A .mid OS update firmware file

Diffstat:
M
doc/changelog.txt
 | 
4
++++
M
source/virusLib/romloader.cpp
 | 
14
++++++++++++--

2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/doc/changelog.txt b/doc/changelog.txt
@@ -59,6 +59,10 @@ OsTIrus:
 
 - [Fix] Arpeggiator pattern was always displayed for part 1 regardless of part selection
 
+Osirus:
+
+- [Imp] Add support for Virus A .mid OS update firmware file
+
 Vavra:
 
 - [Fix] Excessive parameter changes were sent to host when loading a preset
diff --git a/source/virusLib/romloader.cpp b/source/virusLib/romloader.cpp
@@ -8,7 +8,7 @@
 
 namespace virusLib
 {
-	static constexpr uint32_t g_midiSizeMinABC = 512 * 1024;
+	static constexpr uint32_t g_midiSizeMinABC = 500 * 1024;
 	static constexpr uint32_t g_midiSizeMaxABC = 600 * 1024;
 
 	static constexpr uint32_t g_binSizeTImin = 6 * 1024 * 1024;
@@ -104,7 +104,17 @@ namespace virusLib
 		data.data = midiLoader.getData();
 
 		if(data.data.size() != (ROMFile::getRomSizeModelABC()>>1))
-			return {};
+		{
+			if(data.data.size() == 0x38000)
+			{
+				// Virus A midi OS update has $2000 less than all others
+				data.data.resize(ROMFile::getRomSizeModelABC()>>1, 0xff);
+			}
+			else
+			{
+				return {};
+			}
+		}
 
 		if(midiLoader.getFirstSector() == 0)
 			data.type = MidiRom;