mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-08-15 02:29:09 +00:00
8916a0bd30
was playing actual Myst and noticed it's helpful to be able to look up to figure out elevator also fixed crashing bug if you try to turn around at controls
1011 lines
15 KiB
ArmAsm
1011 lines
15 KiB
ArmAsm
;===============================
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; top floor up
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;===============================
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goto_top_floor_up:
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lda #MECHE_TOP_FLOOR_UP
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sta LOCATION
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jmp change_location
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;==============================
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; book page stuff
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;==============================
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grab_blue_page:
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lda BLUE_PAGES_TAKEN
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and #MECHE_PAGE
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bne missing_page
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lda #MECHE_PAGE
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jmp take_blue_page
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grab_red_page:
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lda RED_PAGES_TAKEN
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and #MECHE_PAGE
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bne missing_page
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lda #MECHE_PAGE
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jmp take_red_page
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missing_page:
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rts
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enter_blue_secret:
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lda #MECHE_BLUE_SECRET_DOOR
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sta LOCATION
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jsr change_location
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rts
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enter_red_secret:
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lda #MECHE_RED_SECRET_DOOR
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sta LOCATION
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jsr change_location
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rts
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;===============================
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;===============================
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; exit puzzle stuff
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;===============================
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;===============================
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exit_puzzle_button_press:
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jsr click_speaker ; click speaker
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lda CURSOR_Y
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cmp #40
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bcs check_valid ; bge
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; handle 4 chars
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lda CURSOR_X
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cmp #10
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bcc handle_char1
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cmp #20
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bcc handle_char2
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cmp #30
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bcc handle_char3
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bcs handle_char4
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handle_char1:
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inc MECHE_LOCK1
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lda MECHE_LOCK1
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cmp #10
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bne wrap_lock1
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lda #0
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sta MECHE_LOCK1
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wrap_lock1:
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rts
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handle_char2:
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inc MECHE_LOCK2
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lda MECHE_LOCK2
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cmp #10
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bne wrap_lock2
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lda #0
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sta MECHE_LOCK2
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wrap_lock2:
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rts
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handle_char3:
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inc MECHE_LOCK3
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lda MECHE_LOCK3
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cmp #10
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bne wrap_lock3
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lda #0
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sta MECHE_LOCK3
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wrap_lock3:
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rts
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handle_char4:
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inc MECHE_LOCK4
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lda MECHE_LOCK4
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cmp #10
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bne wrap_lock4
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lda #0
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sta MECHE_LOCK4
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wrap_lock4:
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rts
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check_valid:
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jsr check_puzzle_solved
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bcs proper_code
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bcc not_valid
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proper_code:
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; move to in front of open door
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lda #MECHE_BOOK_STAIRS
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sta LOCATION
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jsr change_location
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not_valid:
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rts
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;=======================
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; check if puzzle solved
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;=======================
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check_puzzle_solved:
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lda MECHE_LOCK1
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cmp #2
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bne keep_door_closed
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lda MECHE_LOCK2
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cmp #8
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bne keep_door_closed
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lda MECHE_LOCK3
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cmp #5
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bne keep_door_closed
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lda MECHE_LOCK4
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cmp #1
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bne keep_door_closed
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keep_door_open:
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; change to open stairwell
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ldy #LOCATION_NORTH_BG
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lda #<entrance_open_n_lzsa
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sta location4,Y
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lda #>entrance_open_n_lzsa
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sta location4+1,Y
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; path to stairs handled elsewhere
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; set carry to indicate open
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sec
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rts
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keep_door_closed:
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; change to closed stairwell
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ldy #LOCATION_NORTH_BG
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lda #<entrance_n_lzsa
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sta location4,Y
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lda #>entrance_n_lzsa
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sta location4+1,Y
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; path to stairs handled elsewhere
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; clear carry to indicate closed
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clc
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rts
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;========================
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; draw sprites
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draw_exit_puzzle_sprites:
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lda MECHE_LOCK1
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asl
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tay
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lda exit_puzzle_sprites,Y
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sta INL
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lda exit_puzzle_sprites+1,Y
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sta INH
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lda #5
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sta XPOS
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lda #8
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sta YPOS
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jsr put_sprite_crop
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lda MECHE_LOCK2
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asl
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tay
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lda exit_puzzle_sprites,Y
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sta INL
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lda exit_puzzle_sprites+1,Y
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sta INH
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lda #14
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sta XPOS
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lda #8
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sta YPOS
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jsr put_sprite_crop
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lda MECHE_LOCK3
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asl
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tay
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lda exit_puzzle_sprites,Y
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sta INL
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lda exit_puzzle_sprites+1,Y
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sta INH
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lda #23
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sta XPOS
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lda #8
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sta YPOS
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jsr put_sprite_crop
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lda MECHE_LOCK4
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asl
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tay
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lda exit_puzzle_sprites,Y
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sta INL
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lda exit_puzzle_sprites+1,Y
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sta INH
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lda #32
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sta XPOS
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lda #8
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sta YPOS
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jsr put_sprite_crop
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rts
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;=========================================
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; exit puzzle first
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;
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; we have two exits to puzzle, one N and W, try to handle both
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; not really opitmal
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; also handle path to book
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try_exit_puzzle:
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lda DIRECTION
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and #$f
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cmp #DIRECTION_N
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beq exit_facing_north
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exit_facing_west:
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lda CURSOR_X
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cmp #29
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bcs go_to_puzzle ; bge
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; didn't click on the puzzle so instead go to MECHE_ARRIVAL
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lda #MECHE_ARRIVAL
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sta LOCATION
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jmp change_location
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go_to_puzzle:
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lda #DIRECTION_N
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sta DIRECTION
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jmp do_puzzle
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exit_facing_north:
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lda CURSOR_X
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cmp #14
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bcc do_puzzle ; if less than 14 go to puzzle
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cmp #23 ; if greater than 22 go to MECHE_FORT_VIEW
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bcs cant_go_there
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exit_check_for_tunnel:
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; not puzzle, instead go down steps if available
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jsr check_puzzle_solved
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bcc cant_go_there
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lda #MECHE_BOOK_STAIRS
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sta LOCATION
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jmp change_location
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cant_go_there:
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lda #MECHE_FORT_VIEW
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sta LOCATION
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jmp change_location
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do_puzzle:
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lda #MECHE_EXIT_PUZZLE
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sta LOCATION
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jsr change_location
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rts
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;=================================
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;=================================
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; rotation stuff
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;=================================
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;=================================
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handle_rotation_controls:
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lda CURSOR_Y
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cmp #34
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bcs rot_button_press
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lda CURSOR_X
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cmp #19
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bcc handle_left ; blt
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handle_right:
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lda MECHE_LEVERS
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eor #RIGHT_LEVER
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sta MECHE_LEVERS
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rts
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handle_left:
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lda MECHE_LEVERS
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eor #LEFT_LEVER
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sta MECHE_LEVERS
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; if flip to 0, then update rotation
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and #LEFT_LEVER
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bne done_handle_left
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jsr rotate_fortress
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done_handle_left:
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rts
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rot_button_press:
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; get outside and face elevator
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lda #MECHE_TOP_FLOOR
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sta LOCATION
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lda #DIRECTION_W
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sta DIRECTION
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; change to plain elevator
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ldy #LOCATION_WEST_BG
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lda #<top_floor_ye_w_lzsa
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sta location27,Y ; MECHE_TOP_FLOOR
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lda #>top_floor_ye_w_lzsa
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sta location27+1,Y ; MECHE_TOP_FLOOR
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; change destination to controls
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ldy #LOCATION_WEST_EXIT
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lda #MECHE_IN_ELEVATOR
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sta location27,Y ; MECHE_TOP_FLOOR
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; restore ability to look up
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ldy #LOCATION_SPECIAL_EXIT
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lda #DIRECTION_W
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sta location27,Y ; MECHE_TOP_FLOOR
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jmp change_location ; tail call
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;=================================
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; draw rotation controls
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;=================================
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draw_rotation_controls:
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;==========================
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; rotate, where applicable
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lda MECHE_LEVERS
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and #LEFT_LEVER
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beq draw_rotation
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lda MECHE_LEVERS
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and #RIGHT_LEVER
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beq draw_rotation
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lda FRAMEL
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and #$f
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bne draw_rotation
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inc MECHE_ROTATION
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lda MECHE_ROTATION
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and #$f
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sta MECHE_ROTATION
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draw_rotation:
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; draw rotation
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lda MECHE_ROTATION
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lsr
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lsr
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; 0 -> $C1 at 19,8
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; 1 -> $10 at 21,4
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; 2 -> $01 at 19,2
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; 3 -> $10 at 17,4
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beq rot0
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cmp #1
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beq rot1
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cmp #2
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beq rot2
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bne rot3
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rot0:
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lda #$C1
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sta $613
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sta $A13
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jmp draw_levers
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rot1:
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lda #$10
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sta $515
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sta $915
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jmp draw_levers
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rot2:
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lda #$01
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sta $493
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sta $893
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jmp draw_levers
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rot3:
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lda #$10
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sta $511
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sta $911
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jmp draw_levers
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draw_levers:
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; draw left lever
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lda #<lever_sprite
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sta INL
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lda #>lever_sprite
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sta INH
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lda #15
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sta XPOS
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lda MECHE_LEVERS
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and #LEFT_LEVER
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eor #LEFT_LEVER
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asl
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asl
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asl
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clc
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adc #20
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sta YPOS
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jsr put_sprite_crop
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; draw right lever
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lda #<lever_sprite
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sta INL
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lda #>lever_sprite
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sta INH
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lda #21
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sta XPOS
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lda MECHE_LEVERS
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and #RIGHT_LEVER
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eor #RIGHT_LEVER
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asl
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asl
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clc
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adc #20
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sta YPOS
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jsr put_sprite_crop
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rts
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lever_sprite:
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.byte 4,3
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.byte $0A,$00,$00,$0A
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.byte $00,$00,$05,$00
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.byte $A0,$00,$00,$A0
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;========================
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; rotate fortress
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rotate_fortress:
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lda MECHE_ROTATION
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lsr
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lsr
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beq fortress_south
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cmp #1
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beq fortress_east
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cmp #2
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beq fortress_north
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bne fortress_west
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fortress_south:
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; point exit south (original entry point)
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ldy #LOCATION_SOUTH_EXIT
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lda #MECHE_BRIDGE2
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sta location8,Y ; MECH_FORT_ENTRY
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ldy #LOCATION_SOUTH_EXIT_DIR
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lda #DIRECTION_S
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sta location8,Y ; MECH_FORT_ENTRY
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; set bg to orig entry background
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ldy #LOCATION_SOUTH_BG
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lda #<fort_entry_s_lzsa
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sta location8,Y
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lda #>fort_entry_s_lzsa
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jmp rotate_fortress_done
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fortress_west:
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; point exit south (original entry point)
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ldy #LOCATION_SOUTH_EXIT
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lda #MECHE_WEST_PLATFORM
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sta location8,Y ; MECH_FORT_ENTRY
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ldy #LOCATION_SOUTH_EXIT_DIR
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lda #DIRECTION_W
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sta location8,Y ; MECH_FORT_ENTRY
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; set bg to orig entry background
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ldy #LOCATION_SOUTH_BG
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lda #<fort_exit_w_lzsa
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sta location8,Y
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lda #>fort_exit_w_lzsa
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jmp rotate_fortress_done
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fortress_east:
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; point exit south (original entry point)
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ldy #LOCATION_SOUTH_EXIT
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lda #MECHE_EAST_PLATFORM
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sta location8,Y ; MECH_FORT_ENTRY
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ldy #LOCATION_SOUTH_EXIT_DIR
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lda #DIRECTION_E
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sta location8,Y ; MECH_FORT_ENTRY
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; set bg to orig entry background
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ldy #LOCATION_SOUTH_BG
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lda #<fort_exit_e_lzsa
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sta location8,Y
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lda #>fort_exit_e_lzsa
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jmp rotate_fortress_done
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fortress_north:
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; point exit south (original entry point)
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ldy #LOCATION_SOUTH_EXIT
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lda #MECHE_NORTH_PLATFORM
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sta location8,Y ; MECH_FORT_ENTRY
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ldy #LOCATION_SOUTH_EXIT_DIR
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lda #DIRECTION_N
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sta location8,Y ; MECH_FORT_ENTRY
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; set bg to orig entry background
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ldy #LOCATION_SOUTH_BG
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lda #<fort_exit_n_lzsa
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sta location8,Y
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lda #>fort_exit_n_lzsa
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jmp rotate_fortress_done
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rotate_fortress_done:
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sta location8+1,Y
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rts
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;==================================
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; elevator stuff
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;==================================
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;==============================
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; handle elevator button pushes
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elevator_button:
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lda CURSOR_Y
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cmp #24
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bcs elevator_goto_ground
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cmp #20
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bcs elevator_goto_half
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elevator_goto_top:
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; set exit to top floor
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ldy #LOCATION_EAST_EXIT
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lda #MECHE_TOP_FLOOR
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sta location26,Y
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; set bg to top-floor backround
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ldy #LOCATION_EAST_BG
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lda #<elevator_top_e_lzsa
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sta location26,Y
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lda #>elevator_top_e_lzsa
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|
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jmp elevator_button_done
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elevator_goto_ground:
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; set exit to top floor
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|
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ldy #LOCATION_EAST_EXIT
|
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lda #MECHE_ELEVATOR_PATH
|
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sta location26,Y
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; set bg to top-floor backround
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ldy #LOCATION_EAST_BG
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lda #<elevator_ground_e_lzsa
|
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sta location26,Y
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lda #>elevator_ground_e_lzsa
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jmp elevator_button_done
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elevator_goto_half:
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|
|
; if at top kick outside and lower
|
|
; TODO: animation?
|
|
|
|
ldy #LOCATION_EAST_EXIT
|
|
lda location26,Y
|
|
cmp #MECHE_TOP_FLOOR
|
|
bne regular_half
|
|
|
|
half_and_controls:
|
|
;=============================
|
|
; kick us out, lower controls
|
|
|
|
; get outside and face elevator
|
|
lda #MECHE_TOP_FLOOR
|
|
sta LOCATION
|
|
lda #DIRECTION_W
|
|
sta DIRECTION
|
|
|
|
; change to elevator roof
|
|
ldy #LOCATION_WEST_BG
|
|
lda #<top_floor_ne_w_lzsa
|
|
sta location27,Y ; MECHE_TOP_FLOOR
|
|
lda #>top_floor_ne_w_lzsa
|
|
sta location27+1,Y ; MECHE_TOP_FLOOR
|
|
|
|
; change destination to controls
|
|
ldy #LOCATION_WEST_EXIT
|
|
lda #MECHE_ROTATE_CONTROLS
|
|
sta location27,Y ; MECHE_TOP_FLOOR
|
|
|
|
; disable ability to look up
|
|
ldy #LOCATION_SPECIAL_EXIT
|
|
lda #$ff
|
|
sta location27,Y ; MECHE_TOP_FLOOR
|
|
|
|
jmp elevator_button_done_no_update
|
|
|
|
regular_half:
|
|
; set exit to top floor
|
|
|
|
ldy #LOCATION_EAST_EXIT
|
|
lda #$ff
|
|
sta location26,Y
|
|
|
|
; set bg to half-floor backround
|
|
|
|
ldy #LOCATION_EAST_BG
|
|
|
|
lda #<elevator_half_e_lzsa
|
|
sta location26,Y
|
|
lda #>elevator_half_e_lzsa
|
|
|
|
jmp elevator_button_done
|
|
|
|
|
|
|
|
elevator_goto_controls:
|
|
|
|
elevator_button_done:
|
|
|
|
sta location26+1,Y
|
|
|
|
elevator_button_done_no_update:
|
|
|
|
jsr change_location ; tail call?
|
|
|
|
rts
|
|
|
|
|
|
;=================
|
|
; elevator panel clicked
|
|
|
|
; behavior a bit different in real game (it slides around more)
|
|
; also in theory could animate handle
|
|
; Apple II doesn't let you know length of keypress
|
|
|
|
elevator_panel_clicked:
|
|
|
|
lda MECHE_ELEVATOR
|
|
clc
|
|
adc #1
|
|
and #$83
|
|
sta MECHE_ELEVATOR
|
|
|
|
jsr adjust_basement_door
|
|
|
|
rts
|
|
|
|
|
|
;=====================
|
|
; draw elevator panel
|
|
|
|
draw_elevator_panel:
|
|
|
|
lda MECHE_ELEVATOR
|
|
and #$f
|
|
asl
|
|
tay
|
|
|
|
lda elevator_rotation_sprites,Y
|
|
sta INL
|
|
lda elevator_rotation_sprites+1,Y
|
|
sta INH
|
|
|
|
lda #13
|
|
sta XPOS
|
|
lda #20
|
|
sta YPOS
|
|
|
|
jsr put_sprite_crop
|
|
|
|
rts
|
|
|
|
;==================================
|
|
; basement door button
|
|
;==================================
|
|
|
|
basement_button:
|
|
|
|
; flip switch
|
|
|
|
lda #$80
|
|
eor MECHE_ELEVATOR
|
|
sta MECHE_ELEVATOR
|
|
|
|
jsr adjust_basement_door
|
|
|
|
jsr change_location
|
|
|
|
rts
|
|
|
|
;==================================
|
|
; adjust basement door
|
|
;==================================
|
|
|
|
adjust_basement_door:
|
|
|
|
lda MECHE_ELEVATOR
|
|
bmi floor_open
|
|
|
|
floor_closed:
|
|
and #$f
|
|
cmp #2
|
|
beq floor_closed_elevator_on
|
|
bne floor_closed_elevator_off
|
|
|
|
floor_open:
|
|
|
|
; point exit to basement
|
|
|
|
ldy #LOCATION_WEST_EXIT
|
|
lda #MECHE_BASEMENT
|
|
sta location18,Y
|
|
|
|
lda MECHE_ELEVATOR
|
|
and #$f
|
|
cmp #2
|
|
beq floor_open_elevator_on
|
|
bne floor_open_elevator_off
|
|
|
|
floor_open_elevator_on:
|
|
|
|
; point background to open floor / open elevator
|
|
|
|
ldy #LOCATION_WEST_BG
|
|
lda #<red_button_of_oe_w_lzsa
|
|
sta location18,Y
|
|
lda #>red_button_of_oe_w_lzsa
|
|
jmp adjust_basement_door_done
|
|
|
|
floor_open_elevator_off:
|
|
|
|
; point background to open floor / closed elevator
|
|
|
|
ldy #LOCATION_WEST_BG
|
|
|
|
lda #<red_button_of_ce_w_lzsa
|
|
sta location18,Y
|
|
lda #>red_button_of_ce_w_lzsa
|
|
jmp adjust_basement_door_done
|
|
|
|
floor_closed_elevator_on:
|
|
|
|
; point hallway to elevator path
|
|
|
|
ldy #LOCATION_WEST_EXIT
|
|
lda #MECHE_ELEVATOR_PATH
|
|
sta location18,Y
|
|
|
|
ldy #LOCATION_WEST_BG
|
|
|
|
lda #<red_button_cf_oe_w_lzsa
|
|
sta location18,Y
|
|
lda #>red_button_cf_oe_w_lzsa
|
|
jmp adjust_basement_door_done
|
|
|
|
|
|
floor_closed_elevator_off:
|
|
|
|
; disabl exit
|
|
|
|
ldy #LOCATION_WEST_EXIT
|
|
lda #$ff
|
|
sta location18,Y
|
|
|
|
ldy #LOCATION_WEST_BG
|
|
|
|
lda #<red_button_cf_ce_w_lzsa
|
|
sta location18,Y
|
|
lda #>red_button_cf_ce_w_lzsa
|
|
jmp adjust_basement_door_done
|
|
|
|
|
|
adjust_basement_door_done:
|
|
sta location18+1,Y
|
|
rts
|
|
|
|
adjust_fortress_rotation:
|
|
|
|
rts
|
|
|
|
|
|
;==================================
|
|
; sprites
|
|
;==================================
|
|
|
|
elevator_rotation_sprites:
|
|
.word elevator0,elevator1,elevator2,elevator3
|
|
|
|
elevator0:
|
|
.byte 3,2
|
|
.byte $00,$ff,$00
|
|
.byte $f0,$0f,$f0
|
|
|
|
elevator1:
|
|
.byte 3,2
|
|
.byte $0f,$f0,$f0
|
|
.byte $f0,$0f,$0f
|
|
|
|
elevator2:
|
|
.byte 3,2
|
|
.byte $1f,$f1,$1f
|
|
.byte $11,$ff,$11
|
|
|
|
elevator3:
|
|
.byte 3,2
|
|
.byte $f0,$f0,$0f
|
|
.byte $0f,$0f,$f0
|
|
|
|
|
|
|
|
exit_puzzle_sprites:
|
|
.word exit_char0,exit_char1,exit_char2,exit_char3,exit_char4
|
|
.word exit_char5,exit_char6,exit_char7,exit_char8,exit_char9
|
|
|
|
exit_char0: ; +
|
|
.byte 4,5
|
|
.byte $ff,$4f,$4f,$ff
|
|
.byte $ff,$44,$44,$ff
|
|
.byte $44,$44,$44,$44
|
|
.byte $ff,$44,$44,$ff
|
|
.byte $ff,$f4,$f4,$ff
|
|
|
|
exit_char1: ; half circle
|
|
.byte 4,5
|
|
.byte $ff,$4f,$44,$ff
|
|
.byte $4f,$44,$44,$ff
|
|
.byte $44,$44,$44,$ff
|
|
.byte $ff,$44,$44,$ff
|
|
.byte $ff,$ff,$f4,$ff
|
|
|
|
exit_char2: ; Cyan Logo
|
|
.byte 4,5
|
|
.byte $4f,$f4,$f4,$4f
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $f4,$ff,$ff,$f4
|
|
|
|
exit_char3: ; Right Triangle
|
|
.byte 4,5
|
|
.byte $44,$44,$44,$44
|
|
.byte $44,$44,$44,$ff
|
|
.byte $44,$44,$f4,$ff
|
|
.byte $44,$f4,$ff,$ff
|
|
.byte $f4,$ff,$ff,$ff
|
|
|
|
exit_char4: ; split square
|
|
.byte 4,5
|
|
.byte $44,$f4,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $f4,$ff,$f4,$f4
|
|
|
|
exit_char5: ; spikes with ball
|
|
.byte 4,5
|
|
.byte $ff,$44,$44,$ff
|
|
.byte $ff,$f4,$f4,$ff
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $f4,$ff,$ff,$f4
|
|
|
|
exit_char6: ; ping pong
|
|
.byte 4,5
|
|
.byte $44,$ff,$44,$44
|
|
.byte $f4,$4f,$ff,$ff
|
|
.byte $ff,$f4,$4f,$ff
|
|
.byte $ff,$ff,$f4,$4f
|
|
.byte $ff,$ff,$ff,$f4
|
|
|
|
exit_char7: ; zig-zag
|
|
.byte 4,5
|
|
.byte $f4,$44,$4f,$ff
|
|
.byte $ff,$4f,$44,$f4
|
|
.byte $f4,$44,$4f,$ff
|
|
.byte $ff,$4f,$44,$f4
|
|
.byte $f4,$f4,$ff,$ff
|
|
|
|
exit_char8: ; triangles alternating
|
|
.byte 4,5
|
|
.byte $44,$44,$ff,$44
|
|
.byte $44,$44,$ff,$44
|
|
.byte $44,$ff,$4f,$44
|
|
.byte $44,$ff,$44,$44
|
|
.byte $f4,$ff,$f4,$f4
|
|
|
|
exit_char9: ; circle with square
|
|
.byte 4,5
|
|
.byte $4f,$f4,$f4,$4f
|
|
.byte $44,$4f,$4f,$44
|
|
.byte $44,$44,$44,$44
|
|
.byte $44,$ff,$ff,$44
|
|
.byte $ff,$f4,$f4,$ff
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|