Initial Provided Files.

Part1/basic.asm

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+; A simple boot sector program that loops forever
+loop:
+    jmp loop
+; the line below fills in remainder with zeros up to 510 bytes
+times 510-($-$$) db 0
+; 386 CPUs required this number at end to recognize as bootsector
+dw 0xaa55
+; Total Size is 512 bytes with two bytes for our bootloader code:
+
+;eb - the jump opcode
+;fe - the relative offset (-2)
+; Note the LittleEndian ordering when memory shown in hexdump
+

Part1/print.asm

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+mov ah, 0x0e ; set tty mode (teletype mode) of Interrupt 10h for character output (0x0e)
+mov al, 'W'  ; set a single byte, the output character
+int 0x10     ; Call the interrupt routine
+mov al, 'e'
+int 0x10
+mov al, 'l'
+int 0x10
+mov al, 'c'
+int 0x10
+mov al, 'o'
+int 0x10
+mov al, 'm'
+int 0x10
+mov al, 'e'
+int 0x10
+mov al, ' '
+int 0x10
+mov al, 't'
+int 0x10
+mov al, 'o'
+int 0x10
+mov al, ' '
+int 0x10
+mov al, ' '
+int 0x10
+mov al, 'O'
+int 0x10
+mov al, 'S'
+int 0x10
+mov al, '3'
+int 0x10
+mov al, '5'
+int 0x10
+mov al, '0'
+int 0x10
+mov al, '2'
+int 0x10
+mov al, '!'
+int 0x10
+
+jmp $ ; jump to current address = infinite loop this is your boot program
+
+; padding and magic number
+times 510 - ($-$$) db 0
+dw 0xaa55