;license:MIT
;(c) 2020 by Frank M.

!cpu 6502
!to "build/PRELAUNCH.INDEXED/NI",plain
*=$106

    !source "src/prelaunch/common.a"

         +ENABLE_ACCEL
         lda   #$60
         sta   $404B
         jsr   $4000      ; decompress

         lda   #<callback ; lets fix ROM calls to WAIT/$FCA8
         sta   $16A9      ; which behave differently
         sta   $80EE      ; on different machines
         sta   $8799      ; (fixes slow scream on //c+ & //gs)
         sta   $8C8F
         sta   $8CC4
         sta   $8CE1
         lda   #>callback
         sta   $16AA
         sta   $80EF
         sta   $879A
         sta   $8C90
         sta   $8CC5
         sta   $8CE2

         +DISABLE_ACCEL
         jmp   $1206

callback sec              ; non-ROM WAIT
wait2    pha
wait3    sbc   #$01
         bne   wait3
         pla
         sbc   #$01
         bne   wait2
         rts

!if * > $1C0 {
  !error "code is too large, ends at ", *
}