From 1be7bfc2e21f9574a8b7da9ccf1573e96e7230e6 Mon Sep 17 00:00:00 2001
From: Memotech Bill <64212746+Memotech-Bill@users.noreply.github.com>
Date: Sat, 13 Apr 2024 16:10:37 +0100
Subject: [PATCH] Select OS specific version of Directory Traversal Routines

---
 src/memu/CMakeLists.txt | 353 +++++++++++++++++++++-------------------
 1 file changed, 182 insertions(+), 171 deletions(-)

diff --git a/src/memu/CMakeLists.txt b/src/memu/CMakeLists.txt
index 6a015c4..11a43fb 100644
--- a/src/memu/CMakeLists.txt
+++ b/src/memu/CMakeLists.txt
@@ -48,44 +48,44 @@ if("${TARGET}" STREQUAL "Pico")
 elseif("${TARGET}" STREQUAL "FBuf")
   
   set (fbuf_src
-      ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
-      ${CMAKE_CURRENT_LIST_DIR}/common.c
-      ${CMAKE_CURRENT_LIST_DIR}/config.c
-      ${CMAKE_CURRENT_LIST_DIR}/cpm.c
-      ${CMAKE_CURRENT_LIST_DIR}/ctc.c
-      ${CMAKE_CURRENT_LIST_DIR}/dart.c
-      ${CMAKE_CURRENT_LIST_DIR}/diag.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirt_unix.c
-      ${CMAKE_CURRENT_LIST_DIR}/dis.c
-      ${CMAKE_CURRENT_LIST_DIR}/joy_lin.c
-      ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
-      ${CMAKE_CURRENT_LIST_DIR}/main.c
-      ${CMAKE_CURRENT_LIST_DIR}/mem.c
-      ${CMAKE_CURRENT_LIST_DIR}/memu.c
-      ${CMAKE_CURRENT_LIST_DIR}/mon.c
-      ${CMAKE_CURRENT_LIST_DIR}/monprom.c
-      ${CMAKE_CURRENT_LIST_DIR}/nfx.c
-      ${CMAKE_CURRENT_LIST_DIR}/printer.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
-      ${CMAKE_CURRENT_LIST_DIR}/sid.c
-      ${CMAKE_CURRENT_LIST_DIR}/snd.c
-      ${CMAKE_CURRENT_LIST_DIR}/spec.c
-      ${CMAKE_CURRENT_LIST_DIR}/tape.c
-      ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
-      ${CMAKE_CURRENT_LIST_DIR}/ui.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
-      ${CMAKE_CURRENT_LIST_DIR}/vga.c
-      ${CMAKE_CURRENT_LIST_DIR}/vid.c
-      ${CMAKE_CURRENT_LIST_DIR}/win.c
-      ${CMAKE_CURRENT_LIST_DIR}/win_fb.c
-      )
-    
+    ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
+    ${CMAKE_CURRENT_LIST_DIR}/common.c
+    ${CMAKE_CURRENT_LIST_DIR}/config.c
+    ${CMAKE_CURRENT_LIST_DIR}/cpm.c
+    ${CMAKE_CURRENT_LIST_DIR}/ctc.c
+    ${CMAKE_CURRENT_LIST_DIR}/dart.c
+    ${CMAKE_CURRENT_LIST_DIR}/diag.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirt_unix.c
+    ${CMAKE_CURRENT_LIST_DIR}/dis.c
+    ${CMAKE_CURRENT_LIST_DIR}/joy_lin.c
+    ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
+    ${CMAKE_CURRENT_LIST_DIR}/main.c
+    ${CMAKE_CURRENT_LIST_DIR}/mem.c
+    ${CMAKE_CURRENT_LIST_DIR}/memu.c
+    ${CMAKE_CURRENT_LIST_DIR}/mon.c
+    ${CMAKE_CURRENT_LIST_DIR}/monprom.c
+    ${CMAKE_CURRENT_LIST_DIR}/nfx.c
+    ${CMAKE_CURRENT_LIST_DIR}/printer.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
+    ${CMAKE_CURRENT_LIST_DIR}/sid.c
+    ${CMAKE_CURRENT_LIST_DIR}/snd.c
+    ${CMAKE_CURRENT_LIST_DIR}/spec.c
+    ${CMAKE_CURRENT_LIST_DIR}/tape.c
+    ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
+    ${CMAKE_CURRENT_LIST_DIR}/ui.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
+    ${CMAKE_CURRENT_LIST_DIR}/vga.c
+    ${CMAKE_CURRENT_LIST_DIR}/vid.c
+    ${CMAKE_CURRENT_LIST_DIR}/win.c
+    ${CMAKE_CURRENT_LIST_DIR}/win_fb.c
+    )
+  
   if( NOT (${CMAKE_VERSION} VERSION_LESS "3.12.0"))
     
     add_library(memu_src INTERFACE)
@@ -171,145 +171,156 @@ elseif("${TARGET}" STREQUAL "RPi")
 
 elseif("${TARGET}" STREQUAL "Win")
   set (win_src
-      ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
-      ${CMAKE_CURRENT_LIST_DIR}/common.c
-      ${CMAKE_CURRENT_LIST_DIR}/config.c
-      ${CMAKE_CURRENT_LIST_DIR}/cpm.c
-      ${CMAKE_CURRENT_LIST_DIR}/ctc.c
-      ${CMAKE_CURRENT_LIST_DIR}/diag.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirt_w32.c
-      ${CMAKE_CURRENT_LIST_DIR}/dis.c
-      ${CMAKE_CURRENT_LIST_DIR}/joy_w32.c
-      ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
-      ${CMAKE_CURRENT_LIST_DIR}/main.c
-      ${CMAKE_CURRENT_LIST_DIR}/mem.c
-      ${CMAKE_CURRENT_LIST_DIR}/memu.c
-      ${CMAKE_CURRENT_LIST_DIR}/mfx.c
-      ${CMAKE_CURRENT_LIST_DIR}/mon.c
-      ${CMAKE_CURRENT_LIST_DIR}/monprom.c
-      ${CMAKE_CURRENT_LIST_DIR}/printer.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdcard.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
-      ${CMAKE_CURRENT_LIST_DIR}/sid.c
-      ${CMAKE_CURRENT_LIST_DIR}/snd.c
-      ${CMAKE_CURRENT_LIST_DIR}/spec.c
-      ${CMAKE_CURRENT_LIST_DIR}/tape.c
-      ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
-      ${CMAKE_CURRENT_LIST_DIR}/ui.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdp.c
-      ${CMAKE_CURRENT_LIST_DIR}/vga.c
-      ${CMAKE_CURRENT_LIST_DIR}/vid.c
-      ${CMAKE_CURRENT_LIST_DIR}/win.c
-      ${CMAKE_CURRENT_LIST_DIR}/win_w32.c
-      )
-    
-    add_library(memu_src INTERFACE)
-    
-    target_include_directories(memu_src INTERFACE
-      ${CMAKE_CURRENT_LIST_DIR}
-      )
-    
-    target_sources(memu_src INTERFACE ${win_src})
-    
-  elseif("${TARGET}" STREQUAL "Circle")
-    
-    add_library(memu_src INTERFACE)
-    
-    target_include_directories(memu_src INTERFACE
-      ${CMAKE_CURRENT_LIST_DIR}
-      )
+    ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
+    ${CMAKE_CURRENT_LIST_DIR}/common.c
+    ${CMAKE_CURRENT_LIST_DIR}/config.c
+    ${CMAKE_CURRENT_LIST_DIR}/cpm.c
+    ${CMAKE_CURRENT_LIST_DIR}/ctc.c
+    ${CMAKE_CURRENT_LIST_DIR}/diag.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirt_w32.c
+    ${CMAKE_CURRENT_LIST_DIR}/dis.c
+    ${CMAKE_CURRENT_LIST_DIR}/joy_w32.c
+    ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
+    ${CMAKE_CURRENT_LIST_DIR}/main.c
+    ${CMAKE_CURRENT_LIST_DIR}/mem.c
+    ${CMAKE_CURRENT_LIST_DIR}/memu.c
+    ${CMAKE_CURRENT_LIST_DIR}/mfx.c
+    ${CMAKE_CURRENT_LIST_DIR}/mon.c
+    ${CMAKE_CURRENT_LIST_DIR}/monprom.c
+    ${CMAKE_CURRENT_LIST_DIR}/printer.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdcard.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
+    ${CMAKE_CURRENT_LIST_DIR}/sid.c
+    ${CMAKE_CURRENT_LIST_DIR}/snd.c
+    ${CMAKE_CURRENT_LIST_DIR}/spec.c
+    ${CMAKE_CURRENT_LIST_DIR}/tape.c
+    ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
+    ${CMAKE_CURRENT_LIST_DIR}/ui.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdp.c
+    ${CMAKE_CURRENT_LIST_DIR}/vga.c
+    ${CMAKE_CURRENT_LIST_DIR}/vid.c
+    ${CMAKE_CURRENT_LIST_DIR}/win.c
+    ${CMAKE_CURRENT_LIST_DIR}/win_w32.c
+    )
+  
+  add_library(memu_src INTERFACE)
+  
+  target_include_directories(memu_src INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}
+    )
+  
+  target_sources(memu_src INTERFACE ${win_src})
+  
+elseif("${TARGET}" STREQUAL "Circle")
+  
+  add_library(memu_src INTERFACE)
+  
+  target_include_directories(memu_src INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}
+    )
 
-    target_sources(memu_src INTERFACE
-      ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
-      ${CMAKE_CURRENT_LIST_DIR}/circleio.cpp
-      ${CMAKE_CURRENT_LIST_DIR}/common.c
-      ${CMAKE_CURRENT_LIST_DIR}/config.c
-      ${CMAKE_CURRENT_LIST_DIR}/console_cir.cpp
-      ${CMAKE_CURRENT_LIST_DIR}/cpm.c
-      ${CMAKE_CURRENT_LIST_DIR}/ctc.c
-      ${CMAKE_CURRENT_LIST_DIR}/diag.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirt_ff.c
-      ${CMAKE_CURRENT_LIST_DIR}/dis.c
-      ${CMAKE_CURRENT_LIST_DIR}/ff_stdio.c
-      ${CMAKE_CURRENT_LIST_DIR}/gpio.c
-      ${CMAKE_CURRENT_LIST_DIR}/hardware.c
-      ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
-      ${CMAKE_CURRENT_LIST_DIR}/mem.c
-      ${CMAKE_CURRENT_LIST_DIR}/memu.c
-      ${CMAKE_CURRENT_LIST_DIR}/misc.cpp
-      ${CMAKE_CURRENT_LIST_DIR}/mon.c
-      ${CMAKE_CURRENT_LIST_DIR}/monprom.c
-      ${CMAKE_CURRENT_LIST_DIR}/printer.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
-      ${CMAKE_CURRENT_LIST_DIR}/sid.c
-      ${CMAKE_CURRENT_LIST_DIR}/snd.c
-      ${CMAKE_CURRENT_LIST_DIR}/spec.c
-      ${CMAKE_CURRENT_LIST_DIR}/tape.c
-      ${CMAKE_CURRENT_LIST_DIR}/TxtRead.c
-      ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
-      ${CMAKE_CURRENT_LIST_DIR}/ui.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
-      ${CMAKE_CURRENT_LIST_DIR}/vid.c
-      ${CMAKE_CURRENT_LIST_DIR}/vga.c
-      ${CMAKE_CURRENT_LIST_DIR}/win.c
-      ${CMAKE_CURRENT_LIST_DIR}/win_cir.c
-      )
+  target_sources(memu_src INTERFACE
+    ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
+    ${CMAKE_CURRENT_LIST_DIR}/circleio.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/common.c
+    ${CMAKE_CURRENT_LIST_DIR}/config.c
+    ${CMAKE_CURRENT_LIST_DIR}/console_cir.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/cpm.c
+    ${CMAKE_CURRENT_LIST_DIR}/ctc.c
+    ${CMAKE_CURRENT_LIST_DIR}/diag.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirt_ff.c
+    ${CMAKE_CURRENT_LIST_DIR}/dis.c
+    ${CMAKE_CURRENT_LIST_DIR}/ff_stdio.c
+    ${CMAKE_CURRENT_LIST_DIR}/gpio.c
+    ${CMAKE_CURRENT_LIST_DIR}/hardware.c
+    ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
+    ${CMAKE_CURRENT_LIST_DIR}/mem.c
+    ${CMAKE_CURRENT_LIST_DIR}/memu.c
+    ${CMAKE_CURRENT_LIST_DIR}/misc.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/mon.c
+    ${CMAKE_CURRENT_LIST_DIR}/monprom.c
+    ${CMAKE_CURRENT_LIST_DIR}/printer.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
+    ${CMAKE_CURRENT_LIST_DIR}/sid.c
+    ${CMAKE_CURRENT_LIST_DIR}/snd.c
+    ${CMAKE_CURRENT_LIST_DIR}/spec.c
+    ${CMAKE_CURRENT_LIST_DIR}/tape.c
+    ${CMAKE_CURRENT_LIST_DIR}/TxtRead.c
+    ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
+    ${CMAKE_CURRENT_LIST_DIR}/ui.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
+    ${CMAKE_CURRENT_LIST_DIR}/vid.c
+    ${CMAKE_CURRENT_LIST_DIR}/vga.c
+    ${CMAKE_CURRENT_LIST_DIR}/win.c
+    ${CMAKE_CURRENT_LIST_DIR}/win_cir.c
+    )
 
 elseif("${TARGET}" STREQUAL "SDL")
-    
+  
   set (sdl_src
-      ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
-      ${CMAKE_CURRENT_LIST_DIR}/common.c
-      ${CMAKE_CURRENT_LIST_DIR}/config.c
-      ${CMAKE_CURRENT_LIST_DIR}/cpm.c
-      ${CMAKE_CURRENT_LIST_DIR}/ctc.c
-      ${CMAKE_CURRENT_LIST_DIR}/dart.c
-      ${CMAKE_CURRENT_LIST_DIR}/diag.c
-      ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
+    ${CMAKE_CURRENT_LIST_DIR}/cfx2.c
+    ${CMAKE_CURRENT_LIST_DIR}/common.c
+    ${CMAKE_CURRENT_LIST_DIR}/config.c
+    ${CMAKE_CURRENT_LIST_DIR}/cpm.c
+    ${CMAKE_CURRENT_LIST_DIR}/ctc.c
+    ${CMAKE_CURRENT_LIST_DIR}/dart.c
+    ${CMAKE_CURRENT_LIST_DIR}/diag.c
+    ${CMAKE_CURRENT_LIST_DIR}/dirmap.c
+    ${CMAKE_CURRENT_LIST_DIR}/dis.c
+    ${CMAKE_CURRENT_LIST_DIR}/joy_sdl.c
+    ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
+    ${CMAKE_CURRENT_LIST_DIR}/main.c
+    ${CMAKE_CURRENT_LIST_DIR}/mem.c
+    ${CMAKE_CURRENT_LIST_DIR}/memu.c
+    ${CMAKE_CURRENT_LIST_DIR}/mfx.c
+    ${CMAKE_CURRENT_LIST_DIR}/mon.c
+    ${CMAKE_CURRENT_LIST_DIR}/monprom.c
+    ${CMAKE_CURRENT_LIST_DIR}/nfx.c
+    ${CMAKE_CURRENT_LIST_DIR}/printer.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdcard.c
+    ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
+    ${CMAKE_CURRENT_LIST_DIR}/sid.c
+    ${CMAKE_CURRENT_LIST_DIR}/snd_sdl.c
+    ${CMAKE_CURRENT_LIST_DIR}/spec.c
+    ${CMAKE_CURRENT_LIST_DIR}/tape.c
+    ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
+    ${CMAKE_CURRENT_LIST_DIR}/ui.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
+    ${CMAKE_CURRENT_LIST_DIR}/vdp.c
+    ${CMAKE_CURRENT_LIST_DIR}/vga.c
+    ${CMAKE_CURRENT_LIST_DIR}/vid.c
+    ${CMAKE_CURRENT_LIST_DIR}/win.c
+    ${CMAKE_CURRENT_LIST_DIR}/win_sdl.c
+    )
+
+  if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    list(APPEND sdl_src
       ${CMAKE_CURRENT_LIST_DIR}/dirt_unix.c
-      ${CMAKE_CURRENT_LIST_DIR}/dis.c
-      ${CMAKE_CURRENT_LIST_DIR}/joy_sdl.c
-      ${CMAKE_CURRENT_LIST_DIR}/kbd2.c
-      ${CMAKE_CURRENT_LIST_DIR}/main.c
-      ${CMAKE_CURRENT_LIST_DIR}/mem.c
-      ${CMAKE_CURRENT_LIST_DIR}/memu.c
-      ${CMAKE_CURRENT_LIST_DIR}/mfx.c
-      ${CMAKE_CURRENT_LIST_DIR}/mon.c
-      ${CMAKE_CURRENT_LIST_DIR}/monprom.c
-      ${CMAKE_CURRENT_LIST_DIR}/nfx.c
-      ${CMAKE_CURRENT_LIST_DIR}/printer.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_os.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_assem.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_basic.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_boot_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/rom_sdx_type07.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdcard.c
-      ${CMAKE_CURRENT_LIST_DIR}/sdxfdc.c
-      ${CMAKE_CURRENT_LIST_DIR}/sid.c
-      ${CMAKE_CURRENT_LIST_DIR}/snd_sdl.c
-      ${CMAKE_CURRENT_LIST_DIR}/spec.c
-      ${CMAKE_CURRENT_LIST_DIR}/tape.c
-      ${CMAKE_CURRENT_LIST_DIR}/txtwin.c
-      ${CMAKE_CURRENT_LIST_DIR}/ui.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdeb.c
-      ${CMAKE_CURRENT_LIST_DIR}/vdp.c
-      ${CMAKE_CURRENT_LIST_DIR}/vga.c
-      ${CMAKE_CURRENT_LIST_DIR}/vid.c
-      ${CMAKE_CURRENT_LIST_DIR}/win.c
-      ${CMAKE_CURRENT_LIST_DIR}/win_sdl.c
       )
+  elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+    list(APPEND sdl_src
+      ${CMAKE_CURRENT_LIST_DIR}/dirt_win.c
+      )
+  else()
+    message(FATAL_ERROR "Directory Traversal Routines not supported")
+  endif()
   
   if( NOT (${CMAKE_VERSION} VERSION_LESS "3.12.0"))