diff --git a/source/frontends/ncurses/world.cpp b/source/frontends/ncurses/world.cpp
index ee46f29f..2f89baa0 100644
--- a/source/frontends/ncurses/world.cpp
+++ b/source/frontends/ncurses/world.cpp
@@ -534,12 +534,12 @@ BYTE    KeybGetKeycode ()
   return 0;
 }
 
-BYTE __stdcall KeybReadData (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
+BYTE KeybReadData()
 {
   return nextKey;
 }
 
-BYTE __stdcall KeybReadFlag (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
+BYTE KeybReadFlag()
 {
   BYTE result = keyReady ? nextKey : 0;
   nextKey = 0;
diff --git a/source/frontends/qapple/video.cpp b/source/frontends/qapple/video.cpp
index 4edf45b5..f4fabf1e 100644
--- a/source/frontends/qapple/video.cpp
+++ b/source/frontends/qapple/video.cpp
@@ -433,25 +433,13 @@ BYTE    KeybGetKeycode ()
   return keyCode;
 }
 
-BYTE __stdcall KeybReadData (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
+BYTE KeybReadData()
 {
-    Q_UNUSED(pc)
-    Q_UNUSED(addr)
-    Q_UNUSED(bWrite)
-    Q_UNUSED(d)
-    Q_UNUSED(uExecutedCycles)
-
     return keyCode | (keyWaiting ? 0x80 : 0x00);
 }
 
-BYTE __stdcall KeybReadFlag (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
+BYTE KeybReadFlag()
 {
-    Q_UNUSED(pc)
-    Q_UNUSED(addr)
-    Q_UNUSED(bWrite)
-    Q_UNUSED(d)
-    Q_UNUSED(uExecutedCycles)
-
     keyWaiting = false;
     return keyCode;
 }
diff --git a/source/linux/dummies.cpp b/source/linux/dummies.cpp
index cc21eee9..ba19a4b4 100644
--- a/source/linux/dummies.cpp
+++ b/source/linux/dummies.cpp
@@ -142,11 +142,6 @@ int           g_nAltCharSetOffset  = 0; // alternate character set
 #define  SW_PAGE2         (g_uVideoMode & VF_PAGE2)
 #define  SW_TEXT          (g_uVideoMode & VF_TEXT)
 
-bool    VideoGetSW80COL()
-{
-  return SW_80COL ? true : false;
-}
-
 bool    VideoGetVblBar(DWORD uExecutedCycles)
 {
   // get video scanner position
@@ -346,6 +341,46 @@ WORD VideoGetScannerAddress(bool* pbVblBar_OUT, const DWORD uExecutedCycles)
   return static_cast<WORD>(nAddress);
 }
 
+bool VideoGetSW80COL(void)
+{
+	return SW_80COL ? true : false;
+}
+
+bool VideoGetSWDHIRES(void)
+{
+	return SW_DHIRES ? true : false;
+}
+
+bool VideoGetSWHIRES(void)
+{
+	return SW_HIRES ? true : false;
+}
+
+bool VideoGetSW80STORE(void)
+{
+	return SW_80STORE ? true : false;
+}
+
+bool VideoGetSWMIXED(void)
+{
+	return SW_MIXED ? true : false;
+}
+
+bool VideoGetSWPAGE2(void)
+{
+	return SW_PAGE2 ? true : false;
+}
+
+bool VideoGetSWTEXT(void)
+{
+	return SW_TEXT ? true : false;
+}
+
+bool VideoGetSWAltCharSet(void)
+{
+	return g_nAltCharSetOffset != 0;
+}
+
 // NTSC
 
 void NTSC_VideoUpdateCycles( long cyclesLeftToUpdate )
diff --git a/source/linux/interface.h b/source/linux/interface.h
index 448b26a5..cbbbb5d8 100644
--- a/source/linux/interface.h
+++ b/source/linux/interface.h
@@ -16,8 +16,8 @@ void FrameRefreshStatus(int x, bool);
 // Keyboard
 
 BYTE    KeybGetKeycode ();
-BYTE __stdcall KeybReadData (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles);
-BYTE __stdcall KeybReadFlag (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles);
+BYTE KeybReadData();
+BYTE KeybReadFlag();
 
 // Joystick
 
diff --git a/source/linux/wincompat.h b/source/linux/wincompat.h
index 6086b561..63662395 100644
--- a/source/linux/wincompat.h
+++ b/source/linux/wincompat.h
@@ -312,6 +312,8 @@ typedef struct tagOFN {
 
 typedef OPENFILENAME OPENFILENAME_NT4;
 
+typedef int LCID;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/linux/wwrapper.cpp b/source/linux/wwrapper.cpp
index de0f9a42..3587c9b7 100644
--- a/source/linux/wwrapper.cpp
+++ b/source/linux/wwrapper.cpp
@@ -8,10 +8,11 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <time.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <boost/lexical_cast.hpp>
+#include <iomanip>
+#include <ctime>
 
 #include "../resource/resource.h"
 #include "Log.h"
@@ -250,3 +251,25 @@ BOOL WINAPI PostMessage(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 {
   return TRUE;
 }
+
+int GetDateFormat(LCID Locale, DWORD dwFlags, CONST SYSTEMTIME *lpDate, LPCSTR lpFormat, LPSTR lpDateStr, int cchDate)
+{
+  std::time_t t = std::time(nullptr);
+  std::tm tm = *std::localtime(&t);
+  std::ostringstream ss;
+  ss << std::put_time(&tm, "%D");
+  const std::string str = ss.str();
+  strncpy(lpDateStr, str.c_str(), cchDate);
+  return cchDate; // not 100% sure, but it is never used
+}
+
+int GetTimeFormat(LCID Locale, DWORD dwFlags, CONST SYSTEMTIME *lpTime, LPCSTR lpFormat, LPSTR lpTimeStr, int cchTime)
+{
+  std::time_t t = std::time(nullptr);
+  std::tm tm = *std::localtime(&t);
+  std::ostringstream ss;
+  ss << std::put_time(&tm, "%T");
+  const std::string str = ss.str();
+  strncpy(lpTimeStr, str.c_str(), cchTime);
+  return cchTime; // not 100% sure, but it is never used
+}
diff --git a/source/linux/wwrapper.h b/source/linux/wwrapper.h
index dcde0413..ddfe952a 100644
--- a/source/linux/wwrapper.h
+++ b/source/linux/wwrapper.h
@@ -136,3 +136,8 @@ int MessageBox(HWND, const char *, const char *, UINT);
 
 // used in TestCPU6502
 #define _tmain main
+
+#define LOCALE_SYSTEM_DEFAULT 0x0800
+
+int GetDateFormat(LCID Locale, DWORD dwFlags, CONST SYSTEMTIME *lpDate, LPCSTR lpFormat, LPSTR lpDateStr, int cchDate);
+int GetTimeFormat(LCID Locale, DWORD dwFlags, CONST SYSTEMTIME *lpTime, LPCSTR lpFormat, LPSTR lpTimeStr, int cchTime);
diff --git a/test/TestCPU6502/dummy.cpp b/test/TestCPU6502/dummy.cpp
index b99fd29c..5c8f3bfb 100644
--- a/test/TestCPU6502/dummy.cpp
+++ b/test/TestCPU6502/dummy.cpp
@@ -16,8 +16,8 @@ void FrameRefreshStatus(int x, bool) { }
 // Keyboard
 
 BYTE    KeybGetKeycode () { return 0; }
-BYTE __stdcall KeybReadData (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft) { return 0; }
-BYTE __stdcall KeybReadFlag (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft) { return 0; }
+BYTE KeybReadData() { return 0; }
+BYTE KeybReadFlag() { return 0; }
 
 // Joystick