4cade/src/demo/sammy.lightfoot.a

;license:MIT
;(c) 2021-2022 by Frank M., qkumba

!cpu 6502
!to "build/DEMO/SAMMY.LIGHTFOOT#06BA00",plain
*=$BA00

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

         +READ_RAM2_WRITE_RAM2
         jsr   EnableAccelerator
         +LOAD_FILE_KEEP_DIR sammy_lightfoot, sammy_lightfoot_dir_e-sammy_lightfoot_dir_b
         lda   #$60
         sta   $4094
         lda   #$FF
         sta   $4206
         jsr   $4000      ; decompress 1
         jsr   $B7B5      ; decompress 2

         lda   #$10
         sta   $68C5      ; clear keyboard strobe

         lda   #$04
         sta   $4FBE      ; reduce number of sparkles

         ldx   #3-1
-        lda   patch1,x
         sta   $22B,x     ; disable initial key detection
         lda   patch2,x
         sta   $B050,x
         sta   $7DB9,x
         sta   $B15A,x
         sta   $5035,x
         sta   $5184,x    ; (moved to $7864)
         dex
         bpl   -

         lda   #$D0
         sta   $6EE9      ; disable sound

         lda   #$AD
         sta   $209
         sta   $211
         sta   $21C
         +DISABLE_ACCEL
         jmp   $B7A1

patch1   !byte $A9,$01,$EA
patch2   !byte $4C,$00,$01

sammy_lightfoot
         !byte sammy_lightfoot_e-sammy_lightfoot_b
sammy_lightfoot_b
sammy_lightfoot_dir_b
         !text "X/SAMMY.LIGHTFOOT"
sammy_lightfoot_dir_e
         !text "/SAMMY.LIGHTFOOT"
sammy_lightfoot_e

!if * > $BB00 {
  !error "code is too large, ends at ", *
}