#lang br/quicklang

(provide (rename-out [z-module-begin #%module-begin])
         val
         z-ld)

(define-macro (z-module-begin (z-program LINE ...))
   #'(#%module-begin
      (define-values (A B C D E F H L)
                     (values 0 0 0 0 0 0 0 0))
      (set! A 8)
      LINE ...
      (displayln
         (format "A: ~a ; F: ~a\nB: ~a ; C: ~a\nD: ~a ; E: ~a\nH: ~a ; L: ~a"
                 A F B C D E H L))))

(define (val h x)
  (if (symbol? x)
      (hash-ref h x)
      x))

(define-macro-cases z-ld
   [(_ (z-r8 S) (_ D)) #'(set! S (val D))])