diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 71f38c139..b6dc66333 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -48,7 +48,11 @@ if(NOT WIN32 OR PTHREAD)
 	target_sources(86Box PRIVATE thread.c)
 	if(WIN32 AND VCPKG_TOOLCHAIN)
 		find_package(pthreads REQUIRED)
-		target_link_libraries(86Box pthreads)
+		if (PThreads4W_FOUND)
+			target_link_libraries(86Box PThreads4W::PThreads4W)
+		else()
+			target_link_libraries(86Box pthreads)
+		endif()
 	else()
 		set(THREADS_PREFER_PTHREAD_FLAG TRUE)
 		find_package(Threads REQUIRED)
diff --git a/src/config.c b/src/config.c
index 995bb801a..68f7b16c7 100644
--- a/src/config.c
+++ b/src/config.c
@@ -505,7 +505,7 @@ load_general(void)
 
     video_fullscreen_scale = config_get_int(cat, "video_fullscreen_scale", 0);
 
-    video_fullscreen_first = config_get_int(cat, "video_fullscreen_first", 1);
+    video_fullscreen_first = config_get_int(cat, "video_fullscreen_first", 0);
 
     video_filter_method = config_get_int(cat, "video_filter_method", 1);
 
@@ -524,7 +524,10 @@ load_general(void)
     update_icons = config_get_int(cat, "update_icons", 1);
 
     window_remember = config_get_int(cat, "window_remember", 0);
-    if (window_remember) {
+    if (window_remember || (vid_resize & 2)) {
+	if (!window_remember)
+		config_delete_var(cat, "window_remember");
+
 	p = config_get_string(cat, "window_coordinates", NULL);
 	if (p == NULL)
 		p = "0, 0, 0, 0";
@@ -2162,8 +2165,11 @@ save_general(void)
       else
 	config_set_int(cat, "update_icons", update_icons);
 
-    if (window_remember) {
-	config_set_int(cat, "window_remember", window_remember);
+    if (window_remember || (vid_resize & 2)) {
+	if (window_remember)
+		config_set_int(cat, "window_remember", window_remember);
+	else
+		config_delete_var(cat, "window_remember");
 
 	sprintf(temp, "%i, %i, %i, %i", window_w, window_h, window_x, window_y);
 	config_set_string(cat, "window_coordinates", temp);
diff --git a/src/scsi/scsi_ncr5380.c b/src/scsi/scsi_ncr5380.c
index c48af0ae5..2413c30a5 100644
--- a/src/scsi/scsi_ncr5380.c
+++ b/src/scsi/scsi_ncr5380.c
@@ -1362,7 +1362,7 @@ t128_read(uint32_t addr, void *priv)
 			if (ncr_dev->t128.host_pos == MIN(512, dev->buffer_length)) {
 				ncr_dev->t128.status &= ~0x04;
 				ncr_log("Transfer busy read, status = %02x, period = %lf\n", ncr_dev->t128.status, ncr_dev->period);
-				if (ncr_dev->period == 0.2)
+				if (ncr_dev->period == 0.2 || ncr_dev->period == 0.02)
 					timer_on_auto(&ncr_dev->timer, 40.2);
 			}
 		}
diff --git a/src/thread.c b/src/thread.c
index 916132fb2..b5151e573 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -2,8 +2,13 @@
 #include <stdio.h>
 #include <time.h>
 #include <pthread.h>
+#ifndef _MSC_VER
 #include <sys/param.h>
 #include <unistd.h>
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
 #include <inttypes.h>
 #include <86box/86box.h>
 #include <86box/plat.h>
@@ -103,6 +108,17 @@ thread_wait_event(event_t *handle, int timeout)
     event_pthread_t *event = (event_pthread_t *)handle;
     struct timespec abstime;
 
+#ifdef _MSC_VER
+    /* Taken from https://stackoverflow.com/a/31335254 with some modifications. */
+    FILETIME systime;
+    uint64_t systimeint = 0;
+    GetSystemTimeAsFileTime(&systime);
+    systimeint |= systime.dwLowDateTime;
+    systimeint |= (uint64_t)systime.dwHighDateTime << 32i64;
+    systimeint -= 116444736000000000i64;
+    abstime.tv_sec = systimeint / 10000000i64;
+    abstime.tv_nsec = systimeint % 10000000i64 * 100;
+#else
     clock_gettime(CLOCK_REALTIME, &abstime);
     abstime.tv_nsec += (timeout % 1000) * 1000000;
     abstime.tv_sec += (timeout / 1000);
@@ -110,6 +126,7 @@ thread_wait_event(event_t *handle, int timeout)
 	abstime.tv_nsec -= 1000000000;
 	abstime.tv_sec++;
     }
+#endif
 
     pthread_mutex_lock(&event->mutex);
     if (timeout == -1) {
@@ -138,7 +155,11 @@ thread_destroy_event(event_t *handle)
 void
 thread_sleep(int t)
 {
+#ifdef _WIN32
+    Sleep(t);
+#else
     usleep(t * 1000);
+#endif
 }
 
 
diff --git a/src/video/vid_s3.c b/src/video/vid_s3.c
index a1e52e02e..f13fbf980 100644
--- a/src/video/vid_s3.c
+++ b/src/video/vid_s3.c
@@ -386,6 +386,38 @@ static uint32_t s3_accel_in_l(uint16_t port, void *p);
 static uint8_t	s3_pci_read(int func, int addr, void *p);
 static void	s3_pci_write(int func, int addr, uint8_t val, void *p);
 
+/*Remap address for chain-4/doubleword style layout*/
+static __inline uint32_t
+dword_remap(svga_t *svga, uint32_t in_addr)
+{
+		if (svga->packed_chain4)
+			return in_addr;
+	
+        return ((in_addr << 2) & 0x3fff0) |
+                ((in_addr >> 14) & 0xc) |
+                (in_addr & ~0x3fffc);
+}
+static __inline uint32_t
+dword_remap_w(svga_t *svga, uint32_t in_addr)
+{
+		if (svga->packed_chain4)
+			return in_addr;	
+	
+        return ((in_addr << 2) & 0x1fff8) |
+                ((in_addr >> 14) & 0x6) |
+                (in_addr & ~0x1fffe);
+}
+static __inline uint32_t 
+dword_remap_l(svga_t *svga, uint32_t in_addr)
+{
+		if (svga->packed_chain4)
+			return in_addr;	
+	
+        return ((in_addr << 2) & 0xfffc) |
+                ((in_addr >> 14) & 0x3) |
+                (in_addr & ~0xffff);
+}
+
 static void
 s3_update_irqs(s3_t *s3)
 {
@@ -1742,6 +1774,7 @@ s3_hwcursor_draw(svga_t *svga, int displine)
 	int offset = svga->hwcursor_latch.x - svga->hwcursor_latch.xoff;
 	uint32_t fg, bg;
 	uint32_t real_addr;
+	uint32_t remapped_addr;
 
 	switch (svga->bpp)
 	{	       
@@ -1806,8 +1839,10 @@ s3_hwcursor_draw(svga_t *svga, int displine)
 
 	for (x = 0; x < 64; x += 16)
 	{
-		dat[0] = (svga->vram[real_addr & s3->vram_mask] << 8) | svga->vram[(real_addr + 1) & s3->vram_mask];
-		dat[1] = (svga->vram[(real_addr + 2) & s3->vram_mask] << 8) | svga->vram[(real_addr + 3) & s3->vram_mask];
+		remapped_addr = dword_remap(svga, real_addr);
+		
+		dat[0] = (svga->vram[remapped_addr & s3->vram_mask] << 8) | svga->vram[(remapped_addr + 1) & s3->vram_mask];
+		dat[1] = (svga->vram[(remapped_addr + 2) & s3->vram_mask] << 8) | svga->vram[(remapped_addr + 3) & s3->vram_mask];
 
                 if (svga->crtc[0x55] & 0x10) {
                         /*X11*/
@@ -2420,6 +2455,8 @@ s3_out(uint16_t addr, uint8_t val, void *p)
 		{
 			case 0x31:
 			s3->ma_ext = (s3->ma_ext & 0x1c) | ((val & 0x30) >> 4);
+			if (!svga->packed_chain4)
+				svga->force_dword_mode = val & 0x08;
 			break;
 			case 0x32:
 			if ((svga->crtc[0x31] & 0x30) && (svga->crtc[0x51] & 0x01) && (val & 0x40))
@@ -2804,16 +2841,6 @@ static void s3_recalctimings(svga_t *svga)
 				s3->width = 1024;
 		}
 	}
-	
-	if (s3->chip != S3_TRIO64 && s3->chip != S3_TRIO32) {
-		if (svga->crtc[0x31] & 0x08) {/*This would typically force dword mode, but we are encountering accel bugs with it, so force byte mode instead*/
-			if (!(svga->gdcreg[6] & 1) && !(svga->attrregs[0x10] & 1))
-				svga->force_byte_mode = 0;
-			else
-				svga->force_byte_mode = 1;
-		} else
-			svga->force_byte_mode = 0;
-	}
 
 	if ((svga->gdcreg[5] & 0x40) && (svga->crtc[0x3a] & 0x10)) {
 		switch (svga->bpp) {
@@ -3205,14 +3232,17 @@ s3_updatemapping(s3_t *s3)
 					svga->banked_mask = 0xffff;
 				}
 			} else {
-				if (s3->chip >= S3_TRIO64V)
+				if (s3->chip >= S3_TRIO64V) {
 					s3->linear_base &= 0xfc000000;
-				else if (s3->chip == S3_VISION968 || s3->chip == S3_VISION868)
+					svga->fb_only = 1;
+				} else if (s3->chip == S3_VISION968 || s3->chip == S3_VISION868)
 					s3->linear_base &= 0xfe000000;
 				mem_mapping_set_addr(&s3->linear_mapping, s3->linear_base, s3->linear_size);
 			}
 		} else {		
 			mem_mapping_disable(&s3->linear_mapping);
+			if (s3->chip >= S3_TRIO64V)
+				svga->fb_only = 0;
 		}
 
 		/* Memory mapped I/O. */
@@ -4215,10 +4245,10 @@ polygon_setup(s3_t *s3)
 	}
 }
 
-#define READ(addr, dat) if (s3->bpp == 0)      dat = svga->vram[(addr) & s3->vram_mask]; \
-			    else if (s3->bpp == 1) dat = vram_w[(addr) & (s3->vram_mask >> 1)]; \
-				else if (s3->bpp == 2) dat = svga->vram[(addr) & s3->vram_mask]; \
-				else dat = vram_l[(addr) & (s3->vram_mask >> 2)];
+#define READ(addr, dat) if (s3->bpp == 0)      dat = svga->vram[dword_remap(svga, addr) & s3->vram_mask]; \
+			    else if (s3->bpp == 1) dat = vram_w[dword_remap_w(svga, addr) & (s3->vram_mask >> 1)]; \
+				else if (s3->bpp == 2) dat = svga->vram[dword_remap(svga, addr) & s3->vram_mask]; \
+				else dat = vram_l[dword_remap_l(svga, addr) & (s3->vram_mask >> 2)];
 
 #define MIX_READ {											       \
 			switch ((mix_dat & mix_mask) ? (s3->accel.frgd_mix & 0xf) : (s3->accel.bkgd_mix & 0xf)) \
@@ -4523,23 +4553,23 @@ polygon_setup(s3_t *s3)
 
 #define WRITE(addr, dat)     if (s3->bpp == 0)									       \
 			{											       \
-				svga->vram[(addr) & s3->vram_mask] = dat;					  \
-				svga->changedvram[((addr) & s3->vram_mask) >> 12] = changeframecount;		   \
+				svga->vram[dword_remap(svga, addr) & s3->vram_mask] = dat;					  \
+				svga->changedvram[(dword_remap(svga, addr) & s3->vram_mask) >> 12] = changeframecount;		   \
 			}											       \
 			else if (s3->bpp == 1)									  \
 			{											       \
-				vram_w[(addr) & (s3->vram_mask >> 1)] = dat;				       \
-				svga->changedvram[((addr) & (s3->vram_mask >> 1)) >> 11] = changeframecount;	    \
+				vram_w[dword_remap_w(svga, addr) & (s3->vram_mask >> 1)] = dat;				       \
+				svga->changedvram[(dword_remap_w(svga, addr) & (s3->vram_mask >> 1)) >> 11] = changeframecount;	    \
 			}											       \
 			else if (s3->bpp == 2)									  \
 			{											       \
-				svga->vram[(addr) & s3->vram_mask] = dat;					  \
-				svga->changedvram[((addr) & s3->vram_mask) >> 12] = changeframecount;		   \
+				svga->vram[dword_remap(svga, addr) & s3->vram_mask] = dat;					  \
+				svga->changedvram[(dword_remap(svga, addr) & s3->vram_mask) >> 12] = changeframecount;		   \
 			}					\
 			else											    \
 			{											       \
-				vram_l[(addr) & (s3->vram_mask >> 2)] = dat;				       \
-				svga->changedvram[((addr) & (s3->vram_mask >> 2)) >> 10] = changeframecount;	    \
+				vram_l[dword_remap_l(svga, addr) & (s3->vram_mask >> 2)] = dat;				       \
+				svga->changedvram[(dword_remap_l(svga, addr) & (s3->vram_mask >> 2)) >> 10] = changeframecount;	    \
 			}
 
 
@@ -6983,13 +7013,14 @@ static void *s3_init(const device_t *info)
 			return NULL;
 	}
 
+	if (s3->chip >= S3_TRIO64V)
+		svga->packed_chain4 = 1;
+
 	if (s3->pci)
 		s3->card = pci_add_card(PCI_ADD_VIDEO, s3_pci_read, s3_pci_write, s3);
 
 	s3->i2c = i2c_gpio_init("ddc_s3");
 	s3->ddc = ddc_init(i2c_gpio_get_bus(s3->i2c));
-	
-	svga->packed_chain4 = 1;
 
 	return s3;
 }
diff --git a/src/win/win.c b/src/win/win.c
index 615d9a022..6f0a43ca3 100644
--- a/src/win/win.c
+++ b/src/win/win.c
@@ -1048,10 +1048,10 @@ plat_setfullscreen(int on)
     int dpi = win_get_dpi(hwndMain);
 
     /* Are we changing from the same state to the same state? */
-    if ((!!on) == (!!video_fullscreen))
+    if ((!!(on & 1)) == (!!video_fullscreen))
 	return;
 
-    if (on && video_fullscreen_first) {
+    if (on && (start_in_fullscreen || video_fullscreen_first)) {
 	video_fullscreen |= 2;
 	if (ui_msgbox_header(MBX_INFO | MBX_DONTASK, (wchar_t *) IDS_2134, (wchar_t *) IDS_2052) == 10) {
 		video_fullscreen_first = 0;
@@ -1061,13 +1061,14 @@ plat_setfullscreen(int on)
     }
 
     /* OK, claim the video. */
-    win_mouse_close();
+    if (!(on & 2))
+	win_mouse_close();
 
     /* Close the current mode, and open the new one. */
-    video_fullscreen = on | 2;
+    video_fullscreen = (on & 1) | 2;
     if (vid_apis[vid_api].set_fs)
-	vid_apis[vid_api].set_fs(on);
-    if (!on) {
+	vid_apis[vid_api].set_fs(on & 1);
+    if (!(on & 1)) {
 	plat_resize(scrnsz_x, scrnsz_y);
 	if (vid_resize) {
 		/* scale the screen base on DPI */
@@ -1115,26 +1116,31 @@ plat_setfullscreen(int on)
     }
     video_fullscreen &= 1;
     video_force_resize_set(1);
-    if (!on)
+    if (!(on & 1))
 	doresize = 1;
 
     win_mouse_init();
 
-    /* Release video and make it redraw the screen. */
-    device_force_redraw();
+    if (!(on & 2)) {
+	/* Release video and make it redraw the screen. */
+	device_force_redraw();
 
-    /* Send a CTRL break code so CTRL does not get stuck. */
-    keyboard_input(0, 0x01D);
+	/* Send a CTRL break code so CTRL does not get stuck. */
+	keyboard_input(0, 0x01D);
+    }
 
     /* Finally, handle the host's mouse cursor. */
     /* win_log("%s full screen, %s cursor\n", on ? "enter" : "leave", on ? "hide" : "show"); */
     show_cursor(video_fullscreen ? 0 : -1);
 
-    /* This is needed for OpenGL. */
-    plat_vidapi_enable(0);
-    plat_vidapi_enable(1);
+    if (!(on & 2)) {
+	/* This is needed for OpenGL. */
+	plat_vidapi_enable(0);
+	plat_vidapi_enable(1);
+    }
 }
 
+
 void
 plat_vid_reload_options(void)
 {
diff --git a/src/win/win_sdl.c b/src/win/win_sdl.c
index 303fb5f69..ffd589ce0 100644
--- a/src/win/win_sdl.c
+++ b/src/win/win_sdl.c
@@ -234,7 +234,7 @@ sdl_blit(int x, int y, int w, int h)
     SDL_Rect r_src;
     int ret;
 
-    if (!sdl_enabled || (h <= 0) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
+    if (!sdl_enabled || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (sdl_render == NULL) || (sdl_tex == NULL)) {
 	video_blit_complete();
 	return;
     }
@@ -277,6 +277,11 @@ sdl_destroy_window(void)
 static void
 sdl_destroy_texture(void)
 {
+    if (sdl_tex != NULL) {
+	SDL_DestroyTexture(sdl_tex);
+	sdl_tex = NULL;
+    }
+
     /* SDL_DestroyRenderer also automatically destroys all associated textures. */
     if (sdl_render != NULL) {
 	SDL_DestroyRenderer(sdl_render);
@@ -339,13 +344,8 @@ sdl_select_best_hw_driver(void)
 
 
 static void
-sdl_reinit_texture(void)
+sdl_init_texture(void)
 {
-    if (sdl_flags == -1)
-        return;
-
-    sdl_destroy_texture();
-
     if (sdl_flags & RENDERER_HARDWARE) {
 	sdl_render = SDL_CreateRenderer(sdl_win, -1, SDL_RENDERER_ACCELERATED);
 	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, video_filter_method ? "1" : "0");
@@ -357,6 +357,17 @@ sdl_reinit_texture(void)
 }
 
 
+static void
+sdl_reinit_texture(void)
+{
+    if (sdl_flags == -1)
+        return;
+
+    sdl_destroy_texture();
+    sdl_init_texture();
+}
+
+
 void
 sdl_set_fs(int fs)
 {
@@ -365,7 +376,6 @@ sdl_set_fs(int fs)
 
     SDL_LockMutex(sdl_mutex);
     sdl_enabled = 0;
-    sdl_destroy_texture();
 
     if (fs) {
 	ShowWindow(sdl_parent_hwnd, TRUE);
@@ -408,7 +418,7 @@ sdl_set_fs(int fs)
     else
 	sdl_flags &= ~RENDERER_FULL_SCREEN;
 
-    sdl_reinit_texture();
+    // sdl_reinit_texture();
     sdl_enabled = 1;
     SDL_UnlockMutex(sdl_mutex);
 }
@@ -456,6 +466,7 @@ sdl_init_common(int flags)
     }
 
     sdl_win = SDL_CreateWindowFrom((void *)hwndRender);
+    sdl_init_texture();
     sdl_set_fs(video_fullscreen & 1);
 
     /* Make sure we get a clean exit. */
@@ -554,16 +565,16 @@ sdl_enable(int enable)
     SDL_UnlockMutex(sdl_mutex);
 }
 
+
 void
 sdl_reload(void)
 {
-	if (sdl_flags & RENDERER_HARDWARE)
-	{
-		SDL_LockMutex(sdl_mutex);
+    if (sdl_flags & RENDERER_HARDWARE) {
+	SDL_LockMutex(sdl_mutex);
 
-		SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, video_filter_method ? "1" : "0");
-		sdl_reinit_texture();
+	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, video_filter_method ? "1" : "0");
+	sdl_reinit_texture();
 
-		SDL_UnlockMutex(sdl_mutex);
-	}
-}
\ No newline at end of file
+	SDL_UnlockMutex(sdl_mutex);
+    }
+}
diff --git a/src/win/win_ui.c b/src/win/win_ui.c
index 79cc3a121..a778d60e7 100644
--- a/src/win/win_ui.c
+++ b/src/win/win_ui.c
@@ -1427,7 +1427,8 @@ ui_init(int nCmdShow)
     }
 
     /* Initialize the mouse module. */
-    win_mouse_init();
+    if (!start_in_fullscreen && !video_fullscreen_first)
+	win_mouse_init();
 
     /*
      * Before we can create the Render window, we first have
@@ -1457,16 +1458,16 @@ ui_init(int nCmdShow)
     else
 	plat_resize(scrnsz_x, scrnsz_y);
 
+    /* Initialize the rendering window, or fullscreen. */
+    if (start_in_fullscreen || video_fullscreen_first)
+	plat_setfullscreen(3);
+
     /* Fire up the machine. */
     pc_reset_hard_init();
 
     /* Set the PAUSE mode depending on the renderer. */
     plat_pause(0);
 
-    /* Initialize the rendering window, or fullscreen. */
-    if (start_in_fullscreen)
-	plat_setfullscreen(1);
-
     /* If so requested via the command line, inform the
      * application that started us of our HWND, using the
      * the hWnd and unique ID the application has given