diff --git a/src/include/86box/resource.h b/src/include/86box/resource.h
index 7cd019093..a72822b99 100644
--- a/src/include/86box/resource.h
+++ b/src/include/86box/resource.h
@@ -259,7 +259,7 @@
 
 
 #define IDM_ABOUT		40001
-#define  IDC_ABOUT_ICON		65535
+#define IDC_ABOUT_ICON		65535
 #define IDM_ACTION_RCTRL_IS_LALT	40010
 #define IDM_ACTION_SCREENSHOT	40011
 #define IDM_ACTION_HRESET	40012
@@ -275,16 +275,7 @@
 #define IDM_VID_REMEMBER	40041
 #define IDM_VID_SDL_SW		40050
 #define IDM_VID_SDL_HW		40051
-#ifdef USE_D2D
-#define IDM_VID_D2D		40052
-#ifdef USE_VNC
-#define IDM_VID_VNC		40053
-#endif
-#else
-#ifdef USE_VNC
 #define IDM_VID_VNC		40052
-#endif
-#endif
 #define IDM_VID_SCALE_1X	40055
 #define IDM_VID_SCALE_2X	40056
 #define IDM_VID_SCALE_3X	40057
diff --git a/src/include/86box/win.h b/src/include/86box/win.h
index 597ebaa59..33d38a175 100644
--- a/src/include/86box/win.h
+++ b/src/include/86box/win.h
@@ -64,11 +64,7 @@
 /* The emulator has shut down. */
 #define WM_HAS_SHUTDOWN		0x8897
 
-#ifdef USE_VNC
 #define RENDERERS_NUM		3
-#else
-#define RENDERERS_NUM		2
-#endif
 
 
 #ifdef __cplusplus
diff --git a/src/machine/m_at_socket7_s7.c b/src/machine/m_at_socket7_s7.c
index 2d8db5946..9b4a615db 100644
--- a/src/machine/m_at_socket7_s7.c
+++ b/src/machine/m_at_socket7_s7.c
@@ -575,7 +575,7 @@ machine_at_tx97_init(const machine_t *model)
     device_add(&i430tx_device);
     device_add(&piix4_device);
     device_add(&keyboard_ps2_pci_device);
-    device_add(&w83977tf_device);
+    device_add(&w83877tf_acorp_device);
     device_add(&intel_flash_bxt_device);
 
     hwm_values_t machine_hwm = {
diff --git a/src/sio_w83977f.c b/src/sio_w83977f.c
index 27082516d..469428fe6 100644
--- a/src/sio_w83977f.c
+++ b/src/sio_w83977f.c
@@ -100,7 +100,7 @@ w83977f_lpt_handler(w83977f_t *dev)
 {
     uint16_t io_mask, io_base = (dev->dev_regs[1][0x30] << 8) | dev->dev_regs[1][0x31];
     int io_len = get_lpt_length(dev);
-    io_base &= (0xfff & ~io_len);
+    io_base &= (0xff8 | io_len);
     io_mask = 0xffc;
     if (io_len == 8)
 	io_mask = 0xff8;
diff --git a/src/vnc.c b/src/vnc.c
index 55f3227d3..5813767fb 100644
--- a/src/vnc.c
+++ b/src/vnc.c
@@ -83,8 +83,8 @@ vnc_ptrevent(int but, int x, int y, rfbClientPtr cl)
    if (x>=0 && x<allowedX && y>=0 && y<allowedY) {
 	/* VNC uses absolute positions within the window, no deltas. */
 	if (x != ptr_x || y != ptr_y) {
-		mouse_x += (x - ptr_x);
-		mouse_y += (y - ptr_y);
+		mouse_x += (x - ptr_x) / 100;
+		mouse_y += (y - ptr_y) / 100;
 		ptr_x = x; ptr_y = y;
 	}
 
diff --git a/src/win/86Box.rc b/src/win/86Box.rc
index 30a8edfa2..049fd5412 100644
--- a/src/win/86Box.rc
+++ b/src/win/86Box.rc
@@ -68,12 +68,7 @@ BEGIN
         BEGIN
             MENUITEM "&SDL (Software)",         IDM_VID_SDL_SW
             MENUITEM "&SDL (Hardware)",         IDM_VID_SDL_HW
-#ifdef USE_D2D
-            MENUITEM "Direct&2D 1.0",           IDM_VID_D2D
-#endif
-#ifdef USE_VNC
             MENUITEM "&VNC",                    IDM_VID_VNC
-#endif
         END
         MENUITEM SEPARATOR
         MENUITEM "F&orce 4:3 display ratio",    IDM_VID_FORCE43
diff --git a/src/win/Makefile.mingw b/src/win/Makefile.mingw
index b1da998a4..73cad4331 100644
--- a/src/win/Makefile.mingw
+++ b/src/win/Makefile.mingw
@@ -80,9 +80,6 @@ ifeq ($(DEV_BUILD), y)
  ifndef VGAWONDER
   VGAWONDER	:= y
  endif
- ifndef VNC
-  VNC		:= y
- endif
  ifndef XL24
   XL24		:= y
  endif
@@ -132,9 +129,6 @@ else
  ifndef VGAWONDER
   VGAWONDER	:= n
  endif
- ifndef VNC
-  VNC		:= n
- endif
  ifndef XL24
   XL24		:= n
  endif
@@ -379,16 +373,12 @@ MUNTOBJ		:= midi_mt32.o \
 		    Tables.o TVA.o TVF.o TVP.o sha1.o c_interface.o
 endif
 
-ifeq ($(VNC), y)
-OPTS		+= -DUSE_VNC
-RFLAGS		+= -DUSE_VNC
  ifneq ($(VNC_PATH), )
   OPTS		+= -I$(VNC_PATH)\INCLUDE
   VNCLIB	:= -L$(VNC_PATH)\LIB
  endif
 VNCLIB		+= -lvncserver
 VNCOBJ		:= vnc.o vnc_keymap.o
-endif
 
 ifeq ($(DISCORD), y)
 OPTS		+= -DUSE_DISCORD
@@ -677,9 +667,7 @@ ifeq ($(DEBUG), y)
  LIBS    += -lssp
 endif
 
-ifeq ($(VNC), y)
 LIBS		+= $(VNCLIB) -lws2_32
-endif
 ifneq ($(WX), n)
 LIBS		+= $(WX_LIBS) -lm
 endif
diff --git a/src/win/Makefile_ndr.mingw b/src/win/Makefile_ndr.mingw
index 63aa78608..e8bdacd58 100644
--- a/src/win/Makefile_ndr.mingw
+++ b/src/win/Makefile_ndr.mingw
@@ -80,9 +80,6 @@ ifeq ($(DEV_BUILD), y)
  ifndef VGAWONDER
   VGAWONDER	:= y
  endif
- ifndef VNC
-  VNC		:= y
- endif
  ifndef XL24
   XL24		:= y
  endif
@@ -135,9 +132,6 @@ else
  ifndef VGAWONDER
   VGAWONDER	:= n
  endif
- ifndef VNC
-  VNC		:= n
- endif
  ifndef XL24
   XL24		:= n
  endif
@@ -388,16 +382,12 @@ MUNTOBJ		:= midi_mt32.o \
 		    Tables.o TVA.o TVF.o TVP.o sha1.o c_interface.o
 endif
 
-ifeq ($(VNC), y)
-OPTS		+= -DUSE_VNC
-RFLAGS		+= -DUSE_VNC
  ifneq ($(VNC_PATH), )
   OPTS		+= -I$(VNC_PATH)\INCLUDE
   VNCLIB	:= -L$(VNC_PATH)\LIB
  endif
 VNCLIB		+= -lvncserver
 VNCOBJ		:= vnc.o vnc_keymap.o
-endif
 
 ifeq ($(DISCORD), y)
 OPTS		+= -DUSE_DISCORD
@@ -678,9 +668,7 @@ endif
 LIBS		:= -mwindows -lcomctl32 \
 		   -lopenal -lole32
 
-ifeq ($(VNC), y)
 LIBS		+= $(VNCLIB) -lws2_32
-endif
 ifneq ($(WX), n)
 LIBS		+= $(WX_LIBS) -lm
 endif
diff --git a/src/win/win.c b/src/win/win.c
index e79844528..7323e13b7 100644
--- a/src/win/win.c
+++ b/src/win/win.c
@@ -42,9 +42,7 @@
 #include <86box/plat.h>
 #include <86box/plat_midi.h>
 #include <86box/ui.h>
-#ifdef USE_VNC
-# include <86box/vnc.h>
-#endif
+#include <86box/vnc.h>
 #include <86box/win_sdl.h>
 #include <86box/win.h>
 
@@ -88,17 +86,13 @@ static const struct {
 } vid_apis[2][RENDERERS_NUM] = {
   {
     {	"SDL_Software", 1, (int(*)(void*))sdl_inits, sdl_close, NULL, sdl_pause, sdl_enable		},
-    {	"SDL_Hardware", 1, (int(*)(void*))sdl_inith, sdl_close, NULL, sdl_pause, sdl_enable		}
-#ifdef USE_VNC
-    ,{	"VNC", 0, vnc_init, vnc_close, vnc_resize, vnc_pause, NULL					}
-#endif
+    {	"SDL_Hardware", 1, (int(*)(void*))sdl_inith, sdl_close, NULL, sdl_pause, sdl_enable		},
+    {	"VNC", 0, vnc_init, vnc_close, vnc_resize, vnc_pause, NULL					}
   },
   {
     {	"SDL_Software", 1, (int(*)(void*))sdl_inits_fs, sdl_close, sdl_resize, sdl_pause, sdl_enable	},
-    {	"SDL_Hardware", 1, (int(*)(void*))sdl_inith_fs, sdl_close, sdl_resize, sdl_pause, sdl_enable	}
-#ifdef USE_VNC
-    ,{	"VNC", 0, vnc_init, vnc_close, vnc_resize, vnc_pause, NULL					}
-#endif
+    {	"SDL_Hardware", 1, (int(*)(void*))sdl_inith_fs, sdl_close, sdl_resize, sdl_pause, sdl_enable	},
+    {	"VNC", 0, vnc_init, vnc_close, vnc_resize, vnc_pause, NULL					}
   },
 };
 
@@ -691,12 +685,9 @@ plat_vidapi_name(int api)
 		break;
 	case 1:
 		break;
-
-#ifdef USE_VNC
 	case 2:
 		name = "vnc";
 		break;
-#endif
 	default:
 		fatal("Unknown renderer: %i\n", api);
 		break;
diff --git a/src/win/win_mouse.c b/src/win/win_mouse.c
index f3fb44851..09a27f052 100644
--- a/src/win/win_mouse.c
+++ b/src/win/win_mouse.c
@@ -89,7 +89,6 @@ win_mouse_handle(PRAWINPUT raw)
 		 * seems to work fine for RDP on Windows 10
 		 * Not sure about other environments.
 		 */
-		x=state.lLastX, y=state.lLastY;
 		mousestate.dx += (state.lLastX - x)/100;
 		mousestate.dy += (state.lLastY - y)/100;
 		x=state.lLastX; 
diff --git a/src/win/win_ui.c b/src/win/win_ui.c
index 9901d9ad7..900fb137a 100644
--- a/src/win/win_ui.c
+++ b/src/win/win_ui.c
@@ -119,12 +119,6 @@ ResetAllMenus(void)
     EnableMenuItem(menuMain, IDM_CONFIG_SAVE, MF_DISABLED);
 #endif
 
-#ifdef USE_D2D
-    /* Disable Direct2D menu option on NT5 */
-    if(LOBYTE(LOWORD(GetVersion())) < 6)
-        EnableMenuItem(menuMain, IDM_VID_D2D, MF_GRAYED);
-#endif
-
     CheckMenuItem(menuMain, IDM_ACTION_RCTRL_IS_LALT, MF_UNCHECKED);
 
     CheckMenuItem(menuMain, IDM_UPDATE_ICONS, MF_UNCHECKED);
@@ -160,12 +154,7 @@ ResetAllMenus(void)
     CheckMenuItem(menuMain, IDM_VID_RESIZE, MF_UNCHECKED);
     CheckMenuItem(menuMain, IDM_VID_SDL_SW, MF_UNCHECKED);
     CheckMenuItem(menuMain, IDM_VID_SDL_HW, MF_UNCHECKED);
-#ifdef USE_D2D
-    CheckMenuItem(menuMain, IDM_VID_D2D, MF_UNCHECKED);
-#endif
-#ifdef USE_VNC
     CheckMenuItem(menuMain, IDM_VID_VNC, MF_UNCHECKED);
-#endif
     CheckMenuItem(menuMain, IDM_VID_FS_FULL+0, MF_UNCHECKED);
     CheckMenuItem(menuMain, IDM_VID_FS_FULL+1, MF_UNCHECKED);
     CheckMenuItem(menuMain, IDM_VID_FS_FULL+2, MF_UNCHECKED);
@@ -447,12 +436,7 @@ MainWindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 
 			case IDM_VID_SDL_SW:
 			case IDM_VID_SDL_HW:
-#ifdef USE_D2D
-			case IDM_VID_D2D:
-#endif
-#ifdef USE_VNC
 			case IDM_VID_VNC:
-#endif
 				CheckMenuItem(hmenu, IDM_VID_SDL_SW + vid_api, MF_UNCHECKED);
 				plat_setvid(LOWORD(wParam) - IDM_VID_SDL_SW);
 				CheckMenuItem(hmenu, IDM_VID_SDL_SW + vid_api, MF_CHECKED);