From 572fcbf1d56e7e1bdecbebb8b3d8dd554bcddb33 Mon Sep 17 00:00:00 2001
From: tomcw <tomcw@users.noreply.github.com>
Date: Tue, 31 Oct 2023 21:01:37 +0000
Subject: [PATCH] Add Disk2 LSS ROM

---
 resource/341-0028-a.rom | 65 +++++++++++++++++++++++++++++++++++++++++
 resource/Applewin.rc    |  1 +
 resource/resource.h     |  1 +
 source/Disk.cpp         |  5 ++++
 source/Disk.h           |  3 ++
 5 files changed, 75 insertions(+)
 create mode 100644 resource/341-0028-a.rom

diff --git a/resource/341-0028-a.rom b/resource/341-0028-a.rom
new file mode 100644
index 00000000..09e9d838
--- /dev/null
+++ b/resource/341-0028-a.rom
@@ -0,0 +1,65 @@
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\ No newline at end of file
diff --git a/resource/Applewin.rc b/resource/Applewin.rc
index 046ed933..176631e1 100644
--- a/resource/Applewin.rc
+++ b/resource/Applewin.rc
@@ -354,6 +354,7 @@ IDR_PRAVETS_8C_ROM      ROM                     "Pravets8C.rom"
 IDR_TK3000_2E_ROM       ROM                     "TK3000e.rom"
 IDR_BASE_64A_ROM        ROM                     "Base64A.rom"
 IDR_FREEZES_F8_ROM      ROM                     "FREEZES_NON-AUTOSTART_F8_ROM.rom"
+IDR_DISK2_341_0028_A    ROM                     "341-0028-a.rom"
 
 /////////////////////////////////////////////////////////////////////////////
 //
diff --git a/resource/resource.h b/resource/resource.h
index cbe032fc..8c93e1df 100644
--- a/resource/resource.h
+++ b/resource/resource.h
@@ -52,6 +52,7 @@
 #define IDR_APPLE2_JPLUS_VIDEO_ROM      152
 #define IDR_BASE_64A_ROM                153
 #define IDR_BASE64A_VIDEO_ROM           154
+#define IDR_DISK2_341_0028_A            155
 #define IDC_KEYB_BUFFER_ENABLE          1005
 #define IDC_SAVESTATE                   1006
 #define IDC_SAVESTATE_ON_EXIT           1007
diff --git a/source/Disk.cpp b/source/Disk.cpp
index bc0a2c11..164de359 100644
--- a/source/Disk.cpp
+++ b/source/Disk.cpp
@@ -2376,6 +2376,11 @@ void Disk2InterfaceCard::InitializeIO(LPBYTE pCxRomPeripheral)
 	res = GetFirmware(IDR_DISK2_16SECTOR_FW, m_16SectorFirmware);
 	_ASSERT(res);
 
+	BYTE* pData = GetFrame().GetResource(IDR_DISK2_341_0028_A, "ROM", DISK2_LSS_SIZE);
+	_ASSERT(pData);
+	if (pData)
+		memcpy(m_16SectorLSSROM, pData, DISK2_LSS_SIZE);
+
 	// Note: We used to disable the track stepping delay in the Disk II controller firmware by
 	// patching $C64C with $A9,$00,$EA. Now not doing this since:
 	// . Authentic Speed should be authentic
diff --git a/source/Disk.h b/source/Disk.h
index 7b7f2520..94b42e9d 100644
--- a/source/Disk.h
+++ b/source/Disk.h
@@ -269,6 +269,9 @@ private:
 	bool m_is13SectorFirmware;
 	bool m_force13SectorFirmware;
 
+	static const UINT DISK2_LSS_SIZE = 256;
+	BYTE m_16SectorLSSROM[DISK2_LSS_SIZE];
+
 	WORD m_currDrive;
 	FloppyDrive m_floppyDrive[NUM_DRIVES];
 	BYTE m_floppyLatch;