4cade/src/prelaunch/jungle.hunt.a

;license:MIT
;(c) 2019, 2022 by qkumba/Frank M.

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

    !source "src/prelaunch/common.a"

         jmp   +

callback
         txa
         pha
         jsr   $BD47

         +GET_MACHINE_STATUS
         and   #CHEATS_ENABLED
         beq   no_hook

         lda   #$60
         sta   $D6F       ; no timer
         ldx   #$A5
         lda   $BDB1
         cmp   #$C1
         beq   hook_A
         cmp   #$C1
         beq   hook_A
         cmp   #$C3
         beq   hook_C
         cmp   #$C6
         beq   hook_F
         cmp   #$C8
         bne   no_hook
         stx   $775E      ; no secondary timer
         stx   $7965      ; don't decrease lives
         beq   no_hook

hook_F
         stx   $78e0      ; don't decrease lives
         beq   no_hook

hook_C
         stx   $78dc      ; don't decrease lives
         beq   no_hook

hook_A
         stx   $7bd3      ; don't decrease lives

no_hook
         pla
         tax
         rts

+
         +ENABLE_ACCEL
         lda   #$60
         sta   $81E
         jsr   $800

         lda   #$60
         sta   $BD44
         jsr   $BD00

         lda   #1
         sta   $0A6C
         lda   #0
         sta   $0A67 ; reset vector patch

         lda   #<callback
         sta   $1D2D
         lda   #>callback
         sta   $1D2E

         +DISABLE_ACCEL
         jmp   $A00

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