From 873155068837421a44bab87c0769da3b59766b95 Mon Sep 17 00:00:00 2001
From: "Such Meme, Many Skill" <owen.vanrijn@gmail.com>
Date: Sat, 7 Dec 2019 21:49:58 +0100
Subject: [PATCH] print hex

---
 source/libs/fatfs/ff.c       |  2 +-
 source/tegraexplorer/fs.c    | 52 +++++++++++++++++++++++++++++++++---
 source/tegraexplorer/fs.h    |  3 ++-
 source/tegraexplorer/gfx.c   |  5 ++++
 source/tegraexplorer/gfx.h   |  3 ++-
 source/tegraexplorer/tools.c |  2 +-
 6 files changed, 59 insertions(+), 8 deletions(-)

diff --git a/source/libs/fatfs/ff.c b/source/libs/fatfs/ff.c
index 3c254a7..8bf67ee 100644
--- a/source/libs/fatfs/ff.c
+++ b/source/libs/fatfs/ff.c
@@ -6134,7 +6134,7 @@ FRESULT f_fdisk (
 		sz_part = (DWORD)sz_cyl * p_cyl;
 		if (i == 0) {	/* Exclude first track of cylinder 0 */
 			s_hd = 1;
-			s_part += 32831; sz_part -= 32831;
+			s_part += 32768; sz_part -= 32768;
 		} else {
 			s_hd = 0;
 		}
diff --git a/source/tegraexplorer/fs.c b/source/tegraexplorer/fs.c
index dea00d4..dd99858 100644
--- a/source/tegraexplorer/fs.c
+++ b/source/tegraexplorer/fs.c
@@ -17,15 +17,16 @@ u8 clipboardhelper = 0;
 extern const char sizevalues[4][3];
 extern int launch_payload(char *path);
 
-menu_item explfilemenu[8] = {
+menu_item explfilemenu[9] = {
     {"-- File Menu --", COLOR_BLUE, -1, 0},
     {"FILE", COLOR_GREEN, -1, 0},
     {"\nSIZE", COLOR_VIOLET, -1, 0},
     {"\n\n\nBack", COLOR_WHITE, -1, 1},
     {"\nCopy to clipboard", COLOR_BLUE, COPY, 1},
     {"Move to clipboard", COLOR_BLUE, MOVE, 1},
-    {"\nDelete file", COLOR_RED, DELETE, 1},
-    {"\nLaunch Payload", COLOR_ORANGE, PAYLOAD, 1}
+    {"\nDelete file\n", COLOR_RED, DELETE, 1},
+    {"Launch Payload", COLOR_ORANGE, PAYLOAD, 1},
+    {"View Hex", COLOR_GREEN, HEXVIEW, 1}
 };
 
 void writecurpath(const char *in){
@@ -104,6 +105,46 @@ bool checkfile(char* path){
         return true;
 }
 
+void viewbytes(char *path){
+    FIL in;
+    u8 print[2048];
+    u32 size;
+    QWORD offset = 0;
+    int res;
+
+    clearscreen();
+    res = f_open(&in, path, FA_READ | FA_OPEN_EXISTING);
+    if (res != FR_OK){
+        message("fuck", COLOR_RED);
+        return;
+    }
+
+    msleep(200);
+
+    while (1){
+        f_lseek(&in, offset * 16);
+
+        res = f_read(&in, &print, 2048 * sizeof(u8), &size);
+        if (res != FR_OK){
+            message("ohgod", COLOR_RED);
+        }
+
+        printbytes(print, size, offset * 16);
+        res = btn_read();
+
+        if (!res)
+            res = btn_wait();
+
+        if (res & BTN_VOL_DOWN && 2048 * sizeof(u8) == size)
+            offset++;
+        if (res & BTN_VOL_UP && offset > 0)
+            offset--;
+        if (res & BTN_POWER)
+            break;
+    }
+    f_close(&in);
+}
+
 void addobject(char* name, int spot, bool isfol, bool isarc){
     size_t size = strlen(name) + 1;
     fileobjects[spot].property = 0;
@@ -206,7 +247,7 @@ void filemenu(const char *startpath){
                 else
                     explfilemenu[7].property = -1;
 
-                tempint = makemenu(explfilemenu, 8);
+                tempint = makemenu(explfilemenu, 9);
 
                 switch (tempint){
                     case COPY:
@@ -227,6 +268,9 @@ void filemenu(const char *startpath){
                     case PAYLOAD:
                         launch_payload(getnextloc(currentpath, fileobjects[res - 1].name));
                         break;
+                    case HEXVIEW:
+                        viewbytes(getnextloc(currentpath, fileobjects[res - 1].name));
+                        break;
                 }
             }
         }
diff --git a/source/tegraexplorer/fs.h b/source/tegraexplorer/fs.h
index 5a2b5f0..de5638e 100644
--- a/source/tegraexplorer/fs.h
+++ b/source/tegraexplorer/fs.h
@@ -30,7 +30,8 @@ enum filemenuoptions {
     COPY = 1,
     MOVE,
     DELETE,
-    PAYLOAD
+    PAYLOAD,
+    HEXVIEW
 };
 
 int readfolder(const char *path);
diff --git a/source/tegraexplorer/gfx.c b/source/tegraexplorer/gfx.c
index fd1aa1a..77b97bf 100644
--- a/source/tegraexplorer/gfx.c
+++ b/source/tegraexplorer/gfx.c
@@ -80,6 +80,11 @@ int makemenu(menu_item menu[], int menuamount){
     }
 }
 
+void printbytes(u8 print[], u32 size, u32 offset){
+    gfx_con_setpos(0, 31);
+    gfx_hexdump(offset, print, size * sizeof(u8));
+}
+
 void printfsentry(fs_entry file, bool highlight, bool refresh){
     int size = 0;
     char *display;
diff --git a/source/tegraexplorer/gfx.h b/source/tegraexplorer/gfx.h
index cf9806c..729820a 100644
--- a/source/tegraexplorer/gfx.h
+++ b/source/tegraexplorer/gfx.h
@@ -5,4 +5,5 @@
 int makemenu(menu_item menu[], int menuamount);
 int message(char* message, u32 color);
 void clearscreen();
-int makefilemenu(fs_entry *files, int amount, char *path);
\ No newline at end of file
+int makefilemenu(fs_entry *files, int amount, char *path);
+void printbytes(u8 print[], u32 size, u32 offset);
\ No newline at end of file
diff --git a/source/tegraexplorer/tools.c b/source/tegraexplorer/tools.c
index a8ed9c3..69be6a9 100644
--- a/source/tegraexplorer/tools.c
+++ b/source/tegraexplorer/tools.c
@@ -31,7 +31,7 @@ void displayinfo(){
     temp_sect = tot_sect;
     temp_sect -= 61145088;
 
-    gfx_printf("\n1st part: %d\n2nd part: 61145088\n\n", temp_sect);
+    gfx_printf("\n%k1st part: %d\n2nd part: 61145088\n\n%k", COLOR_RED, temp_sect, COLOR_WHITE);
 
     disk_initialize(0);
     disk_ioctl(0, GET_SECTOR_COUNT, &sz_disk);