(macro begin-k (lambda body-tail
		 (if (null? (cdr body-tail))
		     (car body-tail)
		     `(with-win (begin-k ,@(cdr body-tail))
			(with-lose $win
			  ,(car body-tail))))))


(text
 (begin-k (nop)
	  (alt (nop)
	       (begin-k (nop)
			(inv z!))
	       (nop))
	  (nop)))

; 00000000  90                nop
; 00000001  90                nop
; 00000002  EB04              jmp short 0x8
; 00000004  90                nop
; 00000005  7501              jnz 0x8
; 00000007  90                nop
; 00000008  90                nop