Mbr doing nothing

Readme.md

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+== Instruction ==
+
+Build with
+ nasm -f bin mbr.asm -o mbr
+
+Run with
+ qemu-system-x86_64 -boot a -fda  mbr
+
+== Bios Memory ==
+
+0x0     -   0x03FF      ;IVT
+0x400   -   0x4FF       ;BIOS Data
+0x500   -   0x7BFF      ;Unused
+0x7C00  -   0x7D77      ;Bootloader
+0x7E00  -   0x9FFFF     ;Unused
+0xA0000 -   0xBFFFF     ;Video memory
+0xB0000 -   0xB7777     ;Video memory monochrome
+0xB8000 -   0xBFFFF     ;Video memory color
+0xC0000 -   0xC7FFF     ;BIOS ROM
+0x80000 -   0xEFFFF     ;BIOS shadow memory
+0xF0000 -   0xFFFFF     ;BIOS System
+
+
+== Interrupt Vector Table ==
+INT_NUM     |   Short Description PM
+----------- | ----------------------
+0x00        |  Division by zero
+0x01        |  Debugger
+0x02        |  NMI
+0x03        |  Breakpoint
+0x04        |  Overflow
+0x05        |  Bounds
+0x06        |  Invalid Opcode
+0x07        |  Coprocessor not available
+0x08        |  Double fault
+0x09        |  Coprocessor Segment Overrun (386 or earlier only)
+0x0A        |  Invalid Task State Segment
+0x0B        |  Segment not present
+0x0C        |  Stack Fault
+0x0D        |  General protection fault
+0x0E        |  Page fault
+0x0F        |  reserved
+0x10        |  Math Fault
+0x11        |  Alignment Check
+0x12        |  Machine Check
+0x13        |  SIMD Floating-Point Exception
+0x14        |  Virtualization Exception
+0x15        |  Control Protection Exception

mbr.asm

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+bits 16				; mode 16bits
+org 0x7C00			; mbr ae loaded at 0x7C00
+times 510 - ($ - $$) db 0	; fill up to 510 with 0
+dw 0xAA55			; MBR magic number