;license:MIT
;(c) 2018-2021 by 4am & qkumba
;
; Functions to launch games and self-running demos
;
; /!\ These live in LC RAM 2 and rely on the ProRWTS code which is also in LC RAM 2. /!\
; Code in LC RAM 1 (which is most program code) should call the functions in glue.launch
; which handle bank switching for you.

LaunchInternal
         tsx                         ; back up stack pointer
         stx   STACKPTR + 1
         inx
-        pla
         sta   STACKBASE - $100 + gStackSize,x
                                     ; back up stack
         inx
         bne   -
         stx   RestoreStackNextTime + 1
                                     ; tell |Reenter| to restore the stack and stack pointer

         txa
         ldy   #$18
-        sta   $bf57,y
         dey
         bne   -
         jmp   $106                  ; jump to pre-launch code