Add script to extract the byte array of bootloader binary plus instructions

.gitignore

@@ -1,3 +1,4 @@
 bin/
 bin/*.exe
-res/resource.o
+res/*.o
+bootloader/*.bin

Makefile

@@ -14,4 +14,4 @@ main: $(BIN)
 
 clean:
 	@echo "Cleaning up..."
-	@rm -fr bin/* res/*.o
+	@rm -fr bin/* res/*.o bootloader/*.bin

bootloader/README.org

@@ -0,0 +1,7 @@
+#+TITLE: Bootloader
+
+This is the bootloader source code of Y2K. to build run ~nasm bootloader.asm -o bootloader.bin~
+
+You can execute the ~python getHex.py bootloader.bin~ to get the formated bootloader bytes plus
+the size of the generated array and put it in the bootloader contant in =src/payloads.h= alongside
+with the printed size.

bootloader/bootloader.asm

@@ -0,0 +1,166 @@
+[BITS	16]	; Bootloader file 16 bits
+[ORG	0x7C00]	; Memory region that BIOS load the file
+
+
+; Setup video segment 320x200 - 256 color
+; Setup
+cli
+push 0x0A000
+pop es
+xor di, di
+mov ax, 0x13
+int 	0x10
+
+; The code realy starts here
+mov cx, 0x15
+call sleep
+mov si, str1
+mov dl, 0x0c
+mov dh, 0x0a
+call cursor
+call print
+
+mov cx, 0x15
+call sleep
+mov si, str2
+mov dl, 0x06
+mov dh, 0x0c
+call cursor
+call print
+
+; Prepare for notepad_rules mode...	
+mov cx, 0x15
+call sleep
+
+xor dl, dl
+xor dh, dh
+call cursor
+
+mov si, str3
+mov bl, 0x7
+sigma:
+	mov ah, 0xe
+	lodsb
+	int 0x10
+	or al, al
+	jnz sigma
+	
+add dl, 0x10
+call cursor
+
+notepad_rules:
+	; Read char from keyboard
+	xor ah, ah
+	int 0x16
+
+	; Verify if Backspace key was pressed
+	cmp al, 0x8
+	je delete_char
+
+	; Verify if Enter key was pressed
+	cmp al, 0x0d
+	je inc_y
+
+	; Verify if the line reached on end
+	cmp dl, 0x27
+	jge inc_y
+
+	; Check for keys to call egg function
+	cmp al, 0x1b ; ESC
+	je e1
+	cmp al, 0x36 ; 6
+	je e2
+	cmp al, 0x39 ; 9
+	je e3
+	cmp al, 0x09 ; TAB
+	je e4
+
+		
+	; Print char on screen
+	mov ah, 0x0a
+	xor bh, bh
+	mov bl, 0x0f
+	mov cx, 0x01
+	int 0x10
+
+	inc dl
+	call cursor
+	jmp notepad_rules
+
+	inc_y:
+		xor dl, dl
+		inc dh
+		call cursor
+		jmp notepad_rules
+
+	delete_char:
+		dec dl
+		call cursor
+		jmp notepad_rules
+
+e1:
+	mov si, easter1
+	jmp eternal
+e2:
+	mov si, easter2
+	jmp eternal
+e3: 
+	mov si, easter3
+	jmp eternal
+e4:
+	mov si, easter4
+	; jmp eternal (it down here)
+
+eternal:
+	xor dl, dl
+	xor dh, dh
+	call cursor
+	call print
+	hlt
+
+
+; Set cursor position
+; dl - Columns 	- x
+; dh - Rows	- y
+cursor:
+	cli
+	mov ah, 0x2
+	mov bh, 0x0
+	int 	0x10
+	ret
+
+; Print some gay string
+; si - string
+print:
+	cli
+	mov bl, 0x21
+	l:
+		mov ah, 0xe
+		lodsb
+		inc bl
+		int 	0x10
+		or al, al
+		jnz l
+	ret
+
+; Delay
+; cx - delay value in microsseconds
+sleep:
+	cli
+	mov ah, 0x86
+	mov dx, 0x0
+	int 0x15
+	ret
+
+str1 db "Happy new Year!", 0
+str2 db "Enjoy this useless payload...", 0
+str3 db "Type something: ", 0
+
+easter1 db "You find a EasterEgg, OMG!", 0
+easter2 db "This Code is so buggy. >:C", 0
+easter3 db "I really hate this mbr payload.", 0
+easter4 db "You're very gay. B)", 0
+
+
+times 510 - ($-$$) db 0 ; Fill the file with 0 510 times'
+dw 0xAA55 ; Magic number used by BIOS to identify the file

bootloader/getHex.py

@@ -0,0 +1,26 @@
+from sys import argv,exit as exitc
+
+if len(argv) != 2:
+    print('Please inform just one file!')
+    exitc(1)
+
+try:
+    file = open(argv[1], 'rb')
+
+except FileNotFoundError:
+    print('The specified file was not found!')
+    exitc(2)
+
+content = file.read()
+file.close()
+
+for i in range(len(content)):
+    if i%12 == 0:
+        print('')
+
+    print(format(content[i], '#04x'), end='')
+
+    if i != len(content)-1:
+        print(', ', end='')
+
+print('\nSize:', len(content))