dos33fsprogs/mist/dni_ending.s

634 lines
16 KiB
ArmAsm

; Ending with page steps
;
; DNI_PROGRESS
; 5 writing
; 6 say text both
; 7 say give me page (until you do)
; 8 say other give me page
; 9 takes page
; 10 hold book
; 11 puts page in book (right thing)
; 12 looks sad (sons)
; 13 touches link
; 14 zaps into book
; 15 pause
; 16 zaps out of book
; 17 (link again) page3/it is done
; 18 (holds book) page4/reward
; 19 (places book) page5/stick around
; 20 writing loop 1
; 21 writing loop 2
;
; effect of clicking is now myst linking book
; red/blue book in myst replaced and no longer can click on
; all red/blue/white pages cleared out
; atrus no longer talks in green book
HAVE_PAGE_START = 5
ATRUS_WRITING = 20 ; must be even
atrus_text:
.word atrus_text_nothing ; 0
.word atrus_text_both ; 1
.word atrus_text_nopage1 ; 2
.word atrus_text_nopage2 ; 3
.word atrus_text_nothing ; 4
.word atrus_text_nothing ; 5
.word atrus_text_both ; 6
.word atrus_gimme_page1 ; 7
.word atrus_gimme_page2 ; 8
.word atrus_text_nothing ; 9
.word atrus_text_right ; 10
.word atrus_text_right ; 11
.word atrus_text_sons ; 12
.word atrus_text_nothing ; 13
.word atrus_text_nothing ; 14
.word atrus_text_nothing ; 15
.word atrus_text_nothing ; 16
.word atrus_text_itisdone ; 17
.word atrus_text_reward ; 18
.word atrus_text_foe ; 19
.word atrus_text_nothing ; 20
.word atrus_text_nothing ; 21
atrus_sprites:
.word atrus_sprite_writing1 ; 0
.word atrus_sprite_talking ; 1
.word atrus_sprite_facepalm ; 2
.word atrus_sprite_talking ; 3
.word atrus_sprite_writing1 ; 4
.word atrus_sprite_writing1 ; 5
.word atrus_sprite_talking ; 6
.word atrus_sprite_reaching ; 7
.word atrus_sprite_reaching ; 8
.word atrus_sprite_hold_page ; 9
.word atrus_sprite_hold_book ; 10
.word atrus_sprite_place_page ; 11
.word atrus_sprite_sad ; 12
.word atrus_sprite_link ; 13
.word atrus_sprite_going ; 14
.word atrus_sprite_gone ; 15
.word atrus_sprite_going ; 16
.word atrus_sprite_link ; 17
.word atrus_sprite_hold_book ; 18
.word atrus_sprite_book_down ; 19
.word atrus_sprite_writing1 ; 20
.word atrus_sprite_writing2 ; 21
atrus_xy:
.byte 13,6, 16,6, 16,6 ; 0 1 2
.byte 16,6, 13,6 ; 3 4
.byte 13,6, 16,6 ; 5 6
.byte 14,6, 14,6 ; 7 8
.byte 15,6, 15,6, 15,6 ; 9 10 11
.byte 14,14, 15,6, 13,6 ; 12 13 14
.byte 13,6, 13,6, 15,6 ; 15 16 17
.byte 15,6, 15,6 ; 18 19
.byte 15,22, 15,22 ; 20 21
atrus_delay:
.byte $1,$80, $0,$00, $0,$00 ; 0 1 2
.byte $0,$00, $0,$00 ; 3 4
.byte $1,$80, $0,$00 ; 5 6
.byte $1,$00, $1,$00 ; 7 8
.byte $1,$80, $1,$00, $1,$00 ; 9 10 11
.byte $0,$00, $1,$c0, $1,$c0 ; 12 13 14
.byte $0,$00, $1,$c0, $0,$00 ; 15 16 17
.byte $0,$00, $0,$00 ; 18 19
.byte $0,$00, $0,$00 ; 20 21
atrus_sprite_writing1: ; 15,22
.byte 1,1
.byte $AA
atrus_sprite_writing2:
.byte 5,3
.byte $ff,$dd,$0d,$dd,$dd
.byte $fd,$bd,$b0,$0d,$dd
.byte $ff,$bb,$bb,$bb,$0d
atrus_sprite_facepalm:
.byte 10,12
.byte $00,$55,$77,$77,$77,$77,$77,$77,$77,$77
.byte $00,$77,$77,$77,$88,$88,$88,$87,$77,$77
.byte $00,$77,$77,$88,$b8,$b8,$bb,$bb,$77,$77
.byte $00,$77,$77,$bb,$3b,$3b,$bb,$bb,$77,$77
.byte $00,$f7,$df,$bb,$3b,$33,$33,$3b,$f7,$77
.byte $ff,$df,$dd,$8b,$33,$33,$33,$33,$ff,$ff
.byte $ff,$dd,$dd,$88,$88,$83,$83,$53,$ff,$ff
.byte $ff,$dd,$dd,$df,$f8,$f8,$f8,$55,$ff,$ff
.byte $dd,$dd,$dd,$dd,$ff,$ff,$dd,$55,$ff,$ff
.byte $bd,$dd,$dd,$dd,$dd,$dd,$dd,$dd,$dd,$ff
.byte $bb,$bb,$7d,$7d,$7d,$7d,$7d,$7d,$dd,$df
.byte $77,$77,$77,$07,$57,$55,$55,$55,$55,$5d
atrus_sprite_talking:
.byte 8,11
.byte $00,$55,$77,$77,$77,$77,$77,$77
.byte $00,$77,$77,$77,$88,$88,$88,$87
.byte $00,$77,$77,$88,$bb,$bb,$b8,$bb
.byte $00,$77,$77,$bb,$0b,$3b,$0b,$bb
.byte $00,$f7,$df,$bb,$bb,$33,$bb,$bb
.byte $ff,$df,$dd,$8b,$88,$88,$88,$8b
.byte $ff,$dd,$dd,$88,$88,$80,$88,$88
.byte $ff,$dd,$dd,$df,$f8,$f8,$f8,$dd
.byte $dd,$dd,$dd,$dd,$ff,$ff,$dd,$dd
.byte $bd,$dd,$dd,$dd,$dd,$dd,$dd,$bd
.byte $bb,$bb,$7d,$7d,$7d,$7d,$bb,$bb
atrus_sprite_nothing:
.byte 1,1
.byte $AA
; good ending
atrus_sprite_reaching: ; at 14,6
.byte 10,14
.byte $00,$00,$00,$55,$77,$77,$77,$77,$77,$77
.byte $77,$00,$00,$77,$77,$77,$88,$88,$88,$87
.byte $77,$70,$00,$77,$77,$88,$bb,$bb,$b8,$88
.byte $77,$77,$00,$77,$77,$bb,$0b,$3b,$0b,$bb
.byte $77,$77,$00,$f7,$df,$bb,$bb,$33,$bb,$bb
.byte $77,$77,$ff,$df,$dd,$8b,$88,$88,$88,$8b
.byte $77,$f7,$ff,$dd,$dd,$88,$88,$80,$88,$88
.byte $f7,$ff,$ff,$dd,$dd,$df,$f8,$f8,$f8,$dd
.byte $ff,$ff,$dd,$dd,$dd,$dd,$ff,$ff,$ff,$dd
.byte $ff,$fd,$fd,$fd,$dd,$dd,$dd,$dd,$dd,$bd
.byte $ff,$bb,$bb,$bb,$ff,$7d,$7d,$7d,$bb,$bb
.byte $ff,$55,$bb,$bb,$ff,$07,$57,$55,$55,$5b
.byte $ff,$55,$bb,$5b,$ff,$85,$50,$50,$50,$50
.byte $8f,$f5,$f5,$f5,$8f,$80,$80,$80,$80,$80
atrus_sprite_hold_page: ; at 15,6
.byte 9,11
.byte $00,$00,$55,$77,$77,$77,$77,$77,$77
.byte $00,$00,$77,$77,$77,$88,$88,$88,$87
.byte $70,$00,$77,$77,$88,$bb,$bb,$b8,$88
.byte $77,$00,$77,$77,$bb,$0b,$3b,$0b,$bb
.byte $77,$00,$f7,$df,$bb,$bb,$33,$bb,$bb
.byte $77,$ff,$df,$dd,$8b,$88,$88,$88,$8b
.byte $f7,$ff,$dd,$dd,$88,$88,$80,$88,$88
.byte $ff,$ff,$dd,$dd,$df,$f8,$f8,$f8,$dd
.byte $ff,$dd,$dd,$dd,$dd,$ff,$ff,$dd,$dd
.byte $fd,$bd,$bd,$bd,$fd,$fd,$fd,$fd,$bd
.byte $bb,$bb,$bb,$fb,$ff,$ff,$ff,$bb,$bb
atrus_sprite_hold_book: ; at 15,6
.byte 9,12
.byte $00,$00,$55,$77,$87,$87,$87,$77,$77
.byte $00,$00,$77,$87,$b8,$b8,$88,$88,$77
.byte $70,$00,$77,$b8,$bb,$bb,$bb,$b8,$77
.byte $77,$00,$77,$bb,$b0,$33,$b0,$bb,$77
.byte $77,$00,$f7,$bb,$8b,$83,$8b,$bb,$d7
.byte $77,$ff,$df,$88,$88,$08,$88,$88,$dd
.byte $f7,$ff,$dd,$f8,$88,$88,$88,$d8,$dd
.byte $ff,$ff,$dd,$dd,$df,$ff,$ff,$fd,$dd
.byte $ff,$dd,$dd,$88,$88,$88,$88,$88,$dd
.byte $fd,$bd,$bd,$b8,$88,$88,$88,$88,$bd
.byte $bb,$bb,$bb,$8b,$88,$88,$88,$bb,$bb
.byte $77,$77,$77,$78,$08,$58,$58,$58,$5b
atrus_sprite_place_page: ; at 15,6
.byte 10,12
.byte $00,$00,$55,$77,$87,$87,$87,$77,$77,$77
.byte $00,$00,$77,$87,$b8,$b8,$88,$88,$77,$77
.byte $70,$00,$77,$b8,$bb,$bb,$bb,$b8,$77,$77
.byte $77,$00,$77,$bb,$b0,$33,$b0,$bb,$77,$77
.byte $77,$00,$f7,$bb,$8b,$83,$8b,$bb,$d7,$d7
.byte $77,$ff,$df,$88,$88,$08,$88,$88,$dd,$dd
.byte $f7,$ff,$dd,$f8,$88,$88,$88,$d8,$dd,$dd
.byte $ff,$ff,$dd,$dd,$df,$ff,$ff,$fd,$dd,$dd
.byte $ff,$77,$7d,$dd,$dd,$ff,$ff,$dd,$dd,$dd
.byte $ff,$bd,$77,$7d,$dd,$dd,$dd,$bd,$bd,$fd
.byte $bb,$bb,$bb,$77,$7d,$7d,$7b,$7b,$bb,$ff
.byte $87,$87,$87,$87,$08,$58,$58,$58,$5b,$5f
atrus_sprite_sad: ; at 14,14
.byte 11,8
.byte $77,$77,$00,$f7,$f7,$b0,$33,$b3,$b8,$88,$d7
.byte $77,$77,$ff,$df,$df,$8b,$33,$bb,$bb,$ff,$dd
.byte $77,$f7,$ff,$dd,$fd,$88,$80,$88,$fb,$ff,$fd
.byte $f7,$ff,$ff,$dd,$dd,$df,$f8,$f8,$ff,$ff,$ff
.byte $ff,$ff,$df,$dd,$dd,$dd,$ff,$dd,$ff,$ff,$ff
.byte $ff,$ff,$dd,$dd,$dd,$dd,$dd,$dd,$dd,$ff,$ff
.byte $bb,$bb,$dd,$dd,$7d,$7d,$7d,$7d,$7d,$df,$ff
.byte $ff,$57,$57,$57,$57,$08,$58,$58,$58,$58,$8f
atrus_sprite_link: ; at 15,6
.byte 10,12
.byte $00,$00,$55,$77,$87,$87,$87,$77,$77,$77
.byte $00,$00,$77,$87,$b8,$b8,$88,$88,$77,$77
.byte $70,$00,$77,$b8,$bb,$bb,$bb,$b8,$77,$77
.byte $77,$00,$77,$bb,$b0,$33,$b0,$bb,$77,$77
.byte $77,$00,$f7,$bb,$8b,$83,$8b,$bb,$d7,$d7
.byte $77,$ff,$df,$88,$88,$08,$88,$88,$dd,$dd
.byte $f7,$ff,$dd,$f8,$88,$88,$88,$d8,$dd,$dd
.byte $ff,$ff,$dd,$dd,$df,$ff,$ff,$fd,$dd,$dd
.byte $ff,$df,$dd,$dd,$dd,$ff,$ff,$dd,$dd,$dd
.byte $ff,$dd,$dd,$dd,$dd,$dd,$dd,$bd,$bd,$fd
.byte $bb,$bb,$bd,$bd,$7d,$7d,$7b,$7b,$bb,$ff
.byte $87,$87,$57,$57,$08,$58,$58,$58,$58,$5f
atrus_sprite_going: ; at 13,6
.byte 15,12
.byte $77,$00,$00,$00,$55,$77,$77,$87,$77,$77,$77,$77,$77,$07,$00
.byte $77,$77,$00,$00,$77,$77,$78,$b7,$78,$77,$77,$77,$77,$00,$00
.byte $77,$77,$70,$00,$77,$77,$7b,$b7,$7b,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$70,$37,$70,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$7b,$87,$7b,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$78,$07,$78,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$f7,$78,$87,$78,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$d7,$7f,$f7,$7f,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$50,$7d,$d7,$7d,$f7,$7f,$77,$77,$77,$77,$00,$00
.byte $77,$77,$f7,$55,$7d,$d7,$7d,$d7,$77,$b7,$b7,$f7,$77,$00,$00
.byte $77,$ff,$bb,$bb,$bd,$bd,$7d,$f7,$fb,$fb,$bb,$ff,$77,$00,$00
.byte $22,$ff,$8f,$8f,$8f,$8f,$08,$58,$58,$58,$58,$8f,$87,$40,$00
atrus_sprite_gone: ; at 13,6
.byte 15,13
.byte $77,$00,$00,$00,$55,$77,$77,$77,$77,$77,$77,$77,$77,$07,$00
.byte $77,$77,$00,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$70,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$00,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$50,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$55,$77,$77,$77,$77,$77,$77,$77,$77,$77,$00,$00
.byte $77,$77,$77,$55,$77,$77,$f7,$f7,$f7,$f7,$77,$77,$77,$00,$00
.byte $22,$87,$8f,$8f,$8f,$8f,$08,$58,$58,$58,$58,$87,$87,$40,$00
.byte $22,$25,$85,$85,$85,$85,$85,$50,$50,$50,$50,$40,$44,$04,$80
atrus_sprite_book_down: ; at 15,6
.byte 12,12
.byte $00,$00,$55,$77,$87,$87,$87,$77,$77,$77,$77,$07
.byte $00,$00,$77,$87,$b8,$b8,$88,$88,$77,$77,$77,$00
.byte $70,$00,$77,$b8,$bb,$bb,$bb,$b8,$77,$77,$77,$00
.byte $77,$00,$77,$bb,$b0,$33,$b0,$bb,$77,$77,$77,$00
.byte $77,$00,$f7,$bb,$8b,$83,$8b,$bb,$d7,$d7,$77,$00
.byte $77,$ff,$df,$88,$88,$08,$88,$88,$dd,$dd,$dd,$00
.byte $f7,$ff,$dd,$f8,$88,$88,$88,$d8,$dd,$dd,$ff,$f0
.byte $ff,$ff,$dd,$dd,$df,$ff,$ff,$fd,$dd,$dd,$ff,$ff
.byte $ff,$ff,$dd,$dd,$dd,$ff,$dd,$dd,$dd,$dd,$ff,$ff
.byte $ff,$bd,$dd,$dd,$dd,$88,$88,$88,$88,$b8,$bb,$bb
.byte $bb,$bb,$bb,$db,$dd,$d8,$d8,$d8,$d8,$d8,$5b,$55
.byte $7b,$7b,$7b,$7d,$0d,$5d,$5d,$5d,$5d,$5d,$5f,$4f
;
; ending, both
;
; 1 2 3
;0123456789012345678901234567890123456789
atrus_text_both:
.byte 5,20,"AH, MY FRIEND. YOU'VE RETURNED.",0
.byte 10,21,"WE MEET FACE-TO-FACE.",0
.byte 2,22,"AND THE PAGE, DID YOU BRING THE PAGE?",0
.byte 0,23," ",0
; ending, no white page
;
atrus_text_nopage1:
.byte 7,20,"YOU DIDN'T BRING THE PAGE.",0
.byte 7,21,"YOU DIDN'T BRING THE PAGE!",0
.byte 7,22,"WHAT KIND OF FOOL ARE YOU?!",0
.byte 1,23,"DID YOU NOT TAKE MY WARNING SERIOUSLY?",0
atrus_text_nopage2:
.byte 17,20,"*SIGH*",0
.byte 0,21," ",0
.byte 12,22,"WELCOME TO D'NI",0
.byte 2,23,"YOU AND I WILL LIVE HERE... FOREVER.",0
; ending, with white page
atrus_gimme_page1:
.byte 0,20," ",0
.byte 3,21,"GIVE IT TO ME... GIVE ME THE PAGE",0
.byte 0,22," ",0
.byte 0,23," ",0
atrus_gimme_page2:
.byte 0,20," ",0
.byte 8,21,"PLEASE GIVE THE PAGE...",0
.byte 0,22," ",0
.byte 0,23," ",0
;0123456789012345678901234567890123456789
atrus_text_right:
.byte 0,20," ",0
.byte 6,21,"YOU'VE DONE THE RIGHT THING.",0
.byte 3,22,"I HAVE A DIFFICULT CHOICE TO MAKE.",0
.byte 0,23," ",0
atrus_text_sons:
.byte 0,20," ",0
.byte 10,21,"MY SONS BETRAYED ME.",0
.byte 9,22,"I KNOW WHAT I MUST DO.",0
.byte 9,23,"I SHALL RETURN SHORTLY",0
; [links away]
; [links in]
atrus_text_itisdone:
;01234567890123456789012345678901234567890
.byte 3,20,"IT IS DONE. I HAVE MANY QUESTIONS,",0
.byte 2,21,"BUT MY WRITING CANNOT WAIT. MY DELAY",0
.byte 2,22,"MAY HAVE HAD A CATASTROPHIC IMPACT ON",0
.byte 1,23,"THE WORLD WHERE MY WIFE IS HELD HOSTAGE",0
atrus_text_reward:
;01234567890123456789012345678901234567890
.byte 2,20,"A REWARD? I'M SORRY BUT ALL I HAVE TO",0
.byte 2,21,"OFFER IS THE LIBRARY ON MYST AND THE",0
.byte 10,22,"BOOKS CONTAINED THERE.",0
.byte 2,23,"FEEL FREE TO EXPLORE AT YOUR LEISURE.",0
atrus_text_foe:
;01234567890123456789012345678901234567890
.byte 1,20,"ALSO: I AM FIGHTING A FOE MUCH GREATER",0
.byte 8,21,"THAN MY SONS CAN IMAGINE.",0
.byte 5,22,"I MIGHT REQUEST YOUR ASSISTANCE.",0
.byte 6,23,"UNTIL THEN, HAVE FUN ON MYST",0
atrus_text_nothing:
.byte 0,20," ",0
.byte 0,21," ",0
.byte 0,22," ",0
.byte 0,23," ",0
; just speed up talking
; also, bump past giving page
; so 0,1,2 -> increment
; 3,4 -> no increment
; 7,8 -> 9
; 9..ATRUS_WRITING -> increment
; ATRUS_WRITING+ -> nothing
poke_atrus:
lda DNI_PROGRESS
cmp #ATRUS_WRITING
bcs no_speedup ; bge
cmp #3 ; don't skip too far in no page case
beq no_speedup
cmp #4
beq no_speedup
cmp #7
beq give_atrus_page
cmp #8
bne no_extra_skip
give_atrus_page:
lda #8
sta DNI_PROGRESS
lda #0
sta HOLDING_PAGE
no_extra_skip:
jsr skip_to_next_stage
no_speedup:
rts
;==================================
; skip_to_next_stage
;==================================
skip_to_next_stage:
inc DNI_PROGRESS
lda DNI_PROGRESS
asl
tay
lda atrus_delay,Y
sta FRAMEH
lda atrus_delay+1,Y
sta FRAMEL
lda DNI_PROGRESS
cmp #19
bne all_done_inc
; update state now that game is over
lda #1
sta GAME_COMPLETE
jsr update_game_complete
all_done_inc:
rts
;====================================
; draw atrus
;====================================
draw_atrus:
; handle writing separately
lda DNI_PROGRESS
cmp #ATRUS_WRITING
bcc not_writing ; blt
atrus_is_writing:
lda FRAMEL
and #$3f
bne done_increment
lda DNI_PROGRESS
eor #$1
sta DNI_PROGRESS
jmp done_increment
;======================
; not writing
;======================
not_writing:
; calc next frame
lda FRAMEH
cmp #$2
bne done_increment ; only increment occasionally
do_increment:
jsr skip_to_next_stage
lda DNI_PROGRESS ; special cases
cmp #4 ; if 4, done nopage case
bne next_case
lda #ATRUS_WRITING ; if not have it, end of text, skip to end
sta DNI_PROGRESS
jmp done_increment
next_case:
; have him ask until you give page
cmp #9
bne done_increment
lda #7
sta DNI_PROGRESS
done_increment:
; only draw the words if looking at atrus
lda DIRECTION
and #$f
cmp #DIRECTION_N
bne done_draw_atrus
; put words
bit TEXTGR ; in case turned off by turning mid-speech
jsr clear_bottom
lda DNI_PROGRESS
asl
tay
lda atrus_text,Y
sta OUTL
lda atrus_text+1,Y
sta OUTH
lda #$09 ; ora
sta ps_smc1
lda #$80
sta ps_smc1+1 ; set regular text
jsr move_and_print
jsr move_and_print
jsr move_and_print
jsr move_and_print
lda #$29 ; and
sta ps_smc1
lda #$3f
sta ps_smc1+1 ; restore inverse text
; draw sprite
lda DNI_PROGRESS
asl
tay
lda atrus_xy,Y
sta XPOS
lda atrus_xy+1,Y
sta YPOS
lda atrus_sprites,Y
sta INL
lda atrus_sprites+1,Y
sta INH
jsr put_sprite_crop
done_draw_atrus:
rts
;==========================
; visit atrus
; mostly has to do with getting dialog right
visit_atrus:
; start part-way through pause
lda #1
sta FRAMEH
lda #$80
sta FRAMEL ; want consistent timers
; see if it's the first time we've opened book
lda DNI_PROGRESS
beq actually_talk_with_atrus
; skip to just writing if not
lda #ATRUS_WRITING
sta DNI_PROGRESS
actually_talk_with_atrus:
lda HOLDING_PAGE
and #$c0
cmp #HOLDING_WHITE_PAGE
bne not_holding_page
lda #HAVE_PAGE_START
sta DNI_PROGRESS
not_holding_page:
lda #DIRECTION_N|DIRECTION_SPLIT|DIRECTION_ONLY_POINT
sta DIRECTION
lda #DNI_DESK
sta LOCATION
jmp change_location
;==========================
; update game complete
;==========================
; hook up linking books
; disable poking of atrus
update_game_complete:
lda GAME_COMPLETE
beq done_update_game_complete ; do nothing if not
ldy #LOCATION_NORTH_EXIT
lda #DNI_MIST_BOOK
sta location1,Y ; DNI_DESK
ldy #LOCATION_NORTH_EXIT_DIR
lda #DIRECTION_N
sta location1,Y ; DNI_DESK
ldy #LOCATION_SPECIAL_EXIT
lda #$ff
sta location1,Y ; DNI_DESK
done_update_game_complete:
rts