;license:MIT
;(c) 2022 by qkumba

!cpu 6502
!to "build/DEMO/KARATEKA#060200",plain
*=$200

    !source "src/prelaunch/common.a"

         !source "src/constants.a"   ; no code in these
         !source "src/macros.a"

         +READ_RAM2_WRITE_RAM2
         jsr   EnableAccelerator
reset
         +LOAD_FILE_KEEP_DIR karateka, $3FF6, karateka_dir_e-karateka_dir_b
         +READ_ROM_NO_WRITE
         lda   #$60
         sta   $4013
         jsr   $3FF6      ; decompress
         ldx   #5
-        lda   $100,x
         sta   $BF29+return-callback1,x
         dex
         bpl   -
         ldx   #callback_e-callback_b
-        lda   callback_b-1,x
         sta   $BF29-1,x
         dex
         bne   -
         lda   #$AD
         sta   $A4A6
         lda   #<callback1
         sta   $A51C
         lda   #>callback1
         sta   $A51D
         txa
         jmp   $A495

callback_b !pseudopc $329 {
callback1
         lda   #<callback2
         sta   $20F
         lda   #>callback2
         sta   $210
         jmp   $200

callback2
         jsr   $104
         ldx   #3-1
-        lda   patch,x
         sta   $B7EA,x
         sta   $B7EF,x
         sta   $B80C,x
         sta   $B818,x
         dex
         bpl   -
         lda   #$AD
         sta   $D0A
         sta   $C59
         sta   $C68
         sta   $C78
         sta   $C8D
         sta   $CB9
         sta   $D72
         sta   $D88
         sta   $DDF
         lda   #$60
         sta   $777F
         ldx   #2-1
-        lda   patch2,x
         sta   $B7FD,x
         sta   $D16,x
         sta   $B5D8,x
         sta   $3F2,x
         dex
         bpl   -
         jsr   $FB6F

         +DISABLE_ACCEL
         lda   #0
         rts

patch    !byte $A9,$00,$EA
patch2   !word return

return
}
callback_e

karateka
         !byte karateka_e-karateka_b
karateka_b
karateka_dir_b
         !text "X/KARATEKA"
karateka_dir_e
         !text "/KARATEKA"
karateka_e

!if * > $3F0 {
  !error "code is too large, ends at ", *
}