convert.py

if __name__ == '__main__':
    with open("quine.asm") as f:
        with open("quine.small.asm", "w") as fw:
                lines = f.readlines()
                lines = map(lambda line: line.strip().replace('\t', '').replace('\n', ''), lines)
                fw.write('\\\\'.join(lines))

Makefile

quine.small.asm: quine.asm
	python convert.py human_to_small

quine.bin: quine.asm
	nasm -f bin -o quine.bin quine.asm

floppy: quine.bin
	dd status=noxfer conv=notrunc if=quine.bin of=floppy

emu: floppy
	qemu -fda floppy

clean:
	rm quine.small.asm
	rm floppy
	rm *.bin

quine.asm

[bits 16]
start:
	mov ax, 07C0h
	mov ds, ax 
	mov ah, 0
	mov al, 03h 
	int 10h
	mov si, code
	call print_string
	jmp $
print_string:
	mov ah, 0Eh
.repeat:
	lodsb
	cmp al, 0
	je .done
	cmp bx, 0x42
	jne .special
.continue:
	int 10h
	jmp .repeat
.special:
	cmp al, 94 
	je .rec
	cmp al, 45
	je .quote
	jmp .continue	
.quote:
	mov al, 34
	jmp .continue
.rec:
	push si
	mov bx, 0x42
	mov si, code
	call print_string
	mov bx, 0
	pop si	
	jmp print_string
	
.done:
	ret

code: db "[bits 16]\\start:\\mov ax, 07C0h\\mov ds, ax\\mov ah, 0\\mov al, 03h\\int 10h\\mov si, code\\call print_string\\jmp $\\print_string:\\mov ah, 0Eh\\.repeat:\\lodsb\\cmp al, 0\\je .done\\cmp bx, 0x42\\jne .special\\.continue:\\int 10h\\jmp .repeat\\.special:\\cmp al, 94\\je .rec\\cmp al, 45\\je .quote\\jmp .continue\\.quote:\\mov al, 34\\jmp .continue\\.rec:\\push si\\mov bx, 0x42\\mov si, code\\call print_string\\mov bx, 0\\pop si\\jmp print_string\\\\.done:\\ret\\\\code: db -^-\\times 510-($-$$) db 0\\dw 0xAA55"
times 510-($-$$) db 0
dw 0xAA55