Leave the part

gistfile1.asm

;;
; Template code to use in order to jump to the demosystem at the
; end of your part.
;
; LIMITATIONS:
;  - code must placed in main memory
;  - code accessible in a memory zone different than 0x4000-0x7ffff
;

; We cut the interruption to avoid issues with the stack and interruptions
    di

; Reset your interrupted code if any
    ld hl, 0xc9fb
    ld (0x38), hl

; We select the right memory configuration in order to
; access to the demosystem
    ld bc, 0x7fc1
    out (c), c

; We select the Id of the menu
    xor a

; We jump to the demo system which loads the menu
    jp 0xe000