From 946355b6876456970f7881b0e383de6b2cfb3159 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Hord=C3=A9?= <nicolas@palon.fr>
Date: Sun, 7 Oct 2018 14:53:48 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20ajout=20d'une=20commande=20view=20qui?=
 =?UTF-8?q?=20permet=20de=20voir=20la=20m=C3=A9moire,=20=C3=A0=20rajouter?=
 =?UTF-8?q?=20visu=20ASCII=20+=20taille?=
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Content-Transfer-Encoding: 8bit

---
 include/shell.h |  1 +
 include/video.h |  1 +
 lib/shell.c     | 31 +++++++++++++++++++++++++++++--
 lib/video.c     |  9 +++++++++
 4 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/include/shell.h b/include/shell.h
index 714cdf8..d310260 100644
--- a/include/shell.h
+++ b/include/shell.h
@@ -18,4 +18,5 @@ int clear();
 int regs();
 int info();
 int err();
+int view();
 int test(void);
diff --git a/include/video.h b/include/video.h
index 0877148..9396755 100755
--- a/include/video.h
+++ b/include/video.h
@@ -18,6 +18,7 @@ typedef struct console {
 
 void showhex(u8 src);
 void putchar(u8 thechar);
+void clearscreen(void);
 u32 print(u8* string);
 u32 printf (const u8 *string, ...);
 void changevc(u8 vc);
diff --git a/lib/shell.c b/lib/shell.c
index 3bd76ac..77cb726 100644
--- a/lib/shell.c
+++ b/lib/shell.c
@@ -25,6 +25,7 @@ static command commands[] = {
 	{"info"      , "", &info},
 	{"err"      , "", &err},
 	{"test"      , "", &test},
+	{"view"      , "", &view},
 };
 
 /*******************************************************************************/
@@ -66,6 +67,33 @@ int test(void)
 /*******************************************************************************/
 /* Génère des exceptions */
 
+int view(u8* commandline)
+{
+	u8 arg[] = "       \000";
+    u32 address;
+    u8 size;
+    u8* pointer;
+	if (strgetnbitems(commandline, ' ') < 3)
+    {
+		print("Syntaxe de la commande VIEW\r\nview \33[32madresse taille\r\n\r\n \33[32madresse\33[0m - Adresse a visualiser\r\n \33[32mtaille\33[0m - nombre d'octets a visualiser <256\r\n");
+        return;
+    }
+	strgetitem(commandline, &arg, ' ', 1);
+    address=strtoint(&arg);
+	strgetitem(commandline, &arg, ' ', 2);
+    size=strtoint(&arg);
+    printf("Adresse %Y - % hhu",address,size);
+    pointer=address;
+    for(u32 i=0;i<size;i++) {
+        if (i%16==0)
+            printf("\r\n:%Y - ",pointer);
+        else
+            printf("%hhY ",*(pointer++));
+   }
+}
+/*******************************************************************************/
+/* Génère des exceptions */
+
 int err(u8* commandline)
 {
 	u8 arg[] = "       \000";
@@ -200,8 +228,7 @@ int mode(u8* commandline)
 
 int clear()
 {
-	fill(0x00);
-	gotoscr(0, 0);
+    clearscreen();
 	return 0;
 }
 
diff --git a/lib/video.c b/lib/video.c
index 67a31b4..37f073b 100755
--- a/lib/video.c
+++ b/lib/video.c
@@ -193,6 +193,15 @@ bool makeansi(u8 c)
 	vc[usedvc].ansi = 0;
 	return 0;		/* Ansi fini ;) */
 }
+/*******************************************************************************/
+/* Efface la console en cours d'utilisation */
+void clearscreen(void)
+{
+    fill(0x00);
+    vc[usedvc].cursX=0;
+    vc[usedvc].cursY=0;
+    gotoscr(0,0);
+}
 
 /*******************************************************************************/
 /* Change la console en cours d'utilisation */