diff --git a/firmware/Makefile b/firmware/Makefile
index 1076a6f8..9902e95e 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -45,6 +45,7 @@ OBJECTS=\
 	tofe_eeprom.o \
 	uptime.o \
 	version.o \
+	crop.o \
 	$(FIRMBUILD_DIRECTORY)/version_data.o \
 	$(FIRMBUILD_DIRECTORY)/hdmi_in1.o \
 	boot-helper-$(CPU).o
diff --git a/firmware/ci.c b/firmware/ci.c
index fa6277c2..d3a0ed6d 100644
--- a/firmware/ci.c
+++ b/firmware/ci.c
@@ -49,7 +49,7 @@
 #include "tofe_eeprom.h"
 #include "uptime.h"
 #include "version.h"
-
+#include "crop.h"
 #include "ci.h"
 
 int status_enabled;
@@ -97,18 +97,37 @@ static void help_heartbeat(void)
 	wputs("  heartbeat <on/off>             - Turn on/off heartbeat feature");
 }
 
+static void help_crop(void)
+{
+        wputs("change crop status (alias: 'cr')");
+        wputs("  crop <on/off>             - Turn on/off crop feature");
+}
+
 static void heartbeat_enable(void)
 {
 	hb_status(true);
 	wprintf("Heartbeat enabled\n");
 }
 
+static void crop_enable(void)
+{
+	crop_status(true);
+	wprintf("crop enable\n");
+}
+
 static void heartbeat_disable(void)
 {
 	hb_status(false);
 	wprintf("Heartbeat disabled\n");
 }
 
+static void crop_disable(void)
+{
+
+       	crop_status(false);
+        wprintf("crop disabled\n");
+}
+
 #ifdef CSR_HDMI_OUT0_BASE
 static void help_output0(void)
 {
@@ -191,6 +210,7 @@ static void ci_help(void)
 	wputs("mdio_status - show mdio status");
 #endif
 	wputs("pattern (p) - select next pattern");
+	wputs("version - show firmware version");
 	wputs("");
 	help_status();
 	wputs("");
@@ -202,6 +222,9 @@ static void ci_help(void)
 	wputs("");
 	help_hdp_toggle();
 	wputs("");
+        help_crop();
+        wputs("");
+
 #ifdef CSR_HDMI_OUT0_BASE
 	help_output0();
 	wputs("");
@@ -1134,6 +1157,15 @@ void ci_service(void)
 		token = get_token(&str);
 		hdp_toggle(atoi(token));
 	}
+        else if((strcmp(token, "crop") == 0) || (strcmp(token, "cr") == 0)) {
+                token = get_token(&str);
+                if((strcmp(token, "on") == 0) )
+                        crop_enable();
+                else if((strcmp(token, "off") == 0) )
+                        crop_disable();
+                else
+                        help_crop();
+        }
 #ifdef CSR_HDMI_OUT0_BASE
 	else if((strcmp(token, "output0") == 0) || (strcmp(token, "o0") == 0)) {
 		token = get_token(&str);
diff --git a/firmware/crop.c b/firmware/crop.c
new file mode 100644
index 00000000..2d5f0967
--- /dev/null
+++ b/firmware/crop.c
@@ -0,0 +1,68 @@
+
+#include <generated/csr.h>
+#include <generated/mem.h>
+#include <hw/flags.h>
+#include <system.h>
+#include <time.h>
+
+#include "hdmi_in0.h"
+#include "hdmi_in1.h"
+#include "crop.h"
+#include "processor.h"
+#include "pattern.h"
+#include "stdio_wrap.h"
+
+static bool crop_stat = false;
+
+void crop_status(bool val)
+{
+	crop_stat = val;
+}
+
+void crop_service(fb_ptrdiff_t fb_offset,int top)
+{
+	static int last_event;
+	static int counter;
+	static bool color_v;
+
+	if (crop_stat==1) {
+		crop_fill(color_v, fb_offset,top);
+	}
+}
+
+void crop_fill(bool color_v, fb_ptrdiff_t fb_offset,int top)
+{
+	int addr1,addr2,addr3,addr4, i, j,k;
+	unsigned int color;
+	unsigned int *framebuffer = fb_ptrdiff_to_main_ram(fb_offset);
+
+	addr1 = 0 + (processor_h_active/2)*(processor_v_active-top);
+	addr2 = 0;
+	addr3 = 0 + (processor_h_active/2)*top + (processor_h_active/2) - top;
+	addr4 = 0 + (processor_h_active/2)*top;
+
+	for (i=0; i<processor_h_active/2; i++)
+	{
+		for (j=0; j<processor_v_active - top; j++)
+		{
+			framebuffer[addr1+i+(processor_h_active/2)*j] = YCBCR422_BLACK;
+		}
+		for (k=0; k<top; k++)
+		{
+			framebuffer[addr2+i+(processor_h_active/2)*k] = YCBCR422_BLACK;
+		}
+	} /*Bottom clipping & top clipping*/
+
+	for (i=0; i<top; i++)
+	{
+		for (j=0; j<processor_v_active - top; j++)
+		{
+			framebuffer[addr3+i+(processor_h_active/2)*j] = YCBCR422_BLACK;
+		}
+		for (k=0; k<processor_v_active-top; k++)
+		{
+			framebuffer[addr4+i+(processor_h_active/2)*k] = YCBCR422_BLACK;
+		}
+
+	} /*right clipping & left clipping*/
+}
diff --git a/firmware/crop.h b/firmware/crop.h
new file mode 100644
index 00000000..ccd8d9b0
--- /dev/null
+++ b/firmware/crop.h
@@ -0,0 +1,10 @@
+#ifndef __CROP_H
+#define __CROP_H
+
+#include <stdbool.h>
+#include "framebuffer.h"
+
+void crop_status(bool val);
+void crop_service(fb_ptrdiff_t fb_offset,int top) ;
+void crop_fill(bool color_v, fb_ptrdiff_t fb_offset,int top);
+
diff --git a/firmware/processor.c b/firmware/processor.c
index 171fbbd7..e8837d25 100644
--- a/firmware/processor.c
+++ b/firmware/processor.c
@@ -33,7 +33,7 @@
 #include "mmcm.h"
 #include "processor.h"
 #include "heartbeat.h"
-
+#include "crop.h"
 /*
  ----------------->>> Time ----------->>>
 
@@ -703,11 +703,17 @@ void processor_update(void)
 	/*  hdmi_out0 */
 #ifdef CSR_HDMI_IN0_BASE
 	if(processor_hdmi_out0_source == VIDEO_IN_HDMI_IN0)
+	{
+		crop_service(hdmi_in0_framebuffer_base(hdmi_in0_fb_index),40);
 		hdmi_out0_core_initiator_base_write(hdmi_in0_framebuffer_base(hdmi_in0_fb_index));
+	}	
 #endif
 #ifdef CSR_HDMI_IN1_BASE
 	if(processor_hdmi_out0_source == VIDEO_IN_HDMI_IN1)
+	{
+		crop_service(hdmi_in1_framebuffer_base(hdmi_in1_fb_index),40);
 		hdmi_out0_core_initiator_base_write(hdmi_in1_framebuffer_base(hdmi_in1_fb_index));
+	}
 #endif
 	if(processor_hdmi_out0_source == VIDEO_IN_PATTERN)
 		hdmi_out0_core_initiator_base_write(pattern_framebuffer_base());
@@ -744,6 +750,8 @@ void processor_update(void)
 		encoder_reader_base_write(pattern_framebuffer_base());
 #endif
 
+	crop_service(pattern_framebuffer_base(),40);
+
 #ifdef CSR_HDMI_IN0_BASE
 	hb_service(hdmi_in0_framebuffer_base(hdmi_in0_fb_index));
 #endif