mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
426 lines
7.7 KiB
ArmAsm
426 lines
7.7 KiB
ArmAsm
;=============================
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; elevator1 handle pulled
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;=============================
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; TODO: animate
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elev1_handle:
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; click speaker
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bit SPEAKER
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; check for water power
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lda CHANNEL_SWITCHES
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bpl no_elev1_water_power ; water on is high bit
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; check for proper valves
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lda CHANNEL_VALVES
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and #$0b ; check V1,V2,V4,V5
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cmp #$01 ; want V1 on, V2,V4,V5 off
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beq elev1_water_power_good
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no_elev1_water_power:
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rts
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elev1_water_power_good:
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; go to bottom floor, which involves moving to CHANNEL level
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lda #CHANNEL_IN_ELEV1_CLOSED
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sta LOCATION
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lda #DIRECTION_E
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sta DIRECTION
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lda #LOAD_CHANNEL
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sta WHICH_LOAD
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lda #$ff
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sta LEVEL_OVER
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lda CHANNEL_SWITCHES ; make elevator down
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and #<(~CHANNEL_ELEVATOR1_UP)
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sta CHANNEL_SWITCHES
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rts
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;=========================
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;=========================
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; close elevator1 door
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;=========================
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;=========================
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elev1_close_door:
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lda #ARBOR_INSIDE_ELEV1
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sta LOCATION
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jmp change_location
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;==================================
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;==================================
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; hut handle, toggle top stair gate
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;==================================
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;==================================
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hut_handle:
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lda CHANNEL_SWITCHES
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eor #CHANNEL_SW_GATE_TOP
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sta CHANNEL_SWITCHES
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jsr update_arbor_state
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jmp change_location
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;=============================
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;=============================
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; elevator2 handle pulled
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;=============================
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;=============================
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; TODO: animate
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elevator2_handle:
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; click speaker
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bit SPEAKER
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; check for water power
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lda CHANNEL_SWITCHES
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bpl no_elev2_water_power ; water on is high bit
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; check for proper valves
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lda CHANNEL_VALVES
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and #$1 ; check V1
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beq elev2_water_power_good ; want V1 off
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no_elev2_water_power:
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rts
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elev2_water_power_good:
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lda #NIBEL_IN_ELEV2_TOP_CLOSED
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sta LOCATION
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lda #LOAD_NIBEL
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sta WHICH_LOAD
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lda #$ff
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sta LEVEL_OVER
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rts
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;=========================
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;=========================
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; close elevator2 door
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;=========================
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;=========================
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elevator2_close_door:
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lda #ARBOR_INSIDE_ELEV2_CLOSED
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sta LOCATION
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jmp change_location
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;=========================
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;=========================
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; handle_top_gate
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;=========================
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;=========================
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handle_top_gate:
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lda CHANNEL_SWITCHES
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and #CHANNEL_SW_GATE_TOP
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beq done_handle_top_gate ; if gate not open
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lda #ARBOR_STEPS_TOP
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sta LOCATION
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jsr change_location
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done_handle_top_gate:
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rts
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;=================================
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;=================================
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; handle gate at bottom of stairs
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;=================================
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;=================================
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stair_gate:
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lda CHANNEL_SWITCHES
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and #CHANNEL_SW_GATE_BOTTOM
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beq stair_gate_closed ; if gate not open
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stair_gate_open:
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; 13-16 close gate
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lda CURSOR_X
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cmp #16
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bcc close_stair_gate
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; otherwise, exit back to channelwood
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lda #CHANNEL_STEPS_DOOR
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sta LOCATION
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lda #DIRECTION_E
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sta DIRECTION
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lda #LOAD_CHANNEL
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sta WHICH_LOAD
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lda #$ff
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sta LEVEL_OVER
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rts
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close_stair_gate:
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; open the gate
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lda CHANNEL_SWITCHES
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and #<(~CHANNEL_SW_GATE_BOTTOM)
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jmp update_stair_gate
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stair_gate_closed:
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; open the gate
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lda CHANNEL_SWITCHES
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ora #CHANNEL_SW_GATE_BOTTOM
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update_stair_gate:
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sta CHANNEL_SWITCHES
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jsr update_arbor_state
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jmp change_location
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;===============================================
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; draw bridge1 bg
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;===============================================
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; if the elevator is down, erase it
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; doing it this way is abour 40 bytes
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; doing it with dedicated bg image would be about 400 bytes
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draw_bridge1_bg:
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; only if bridge down
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lda CHANNEL_SWITCHES
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and #CHANNEL_ELEVATOR1_UP
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bne done_bridge1_bg
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; only if facing east
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lda DIRECTION
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and #$f
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cmp #DIRECTION_E
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bne done_bridge1_bg
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lda #18
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sta XPOS
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lda #10
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sta YPOS
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lda #<elev_down_patch_sprite
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sta INL
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lda #>elev_down_patch_sprite
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sta INH
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jsr put_sprite_crop
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done_bridge1_bg:
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rts
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elev_down_patch_sprite:
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.byte 4,6
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.byte $55,$00,$00,$55
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.byte $55,$00,$00,$55
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.byte $55,$00,$00,$55
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.byte $55,$00,$00,$55
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.byte $55,$00,$00,$55
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.byte $58,$08,$08,$58
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;===============================================
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;===============================================
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; update all backgrounds based on switch states
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;===============================================
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;===============================================
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update_arbor_state:
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; update on elevator1
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lda CHANNEL_SWITCHES
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and #CHANNEL_ELEVATOR1_UP
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beq make_elevator1_down
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make_elevator1_up:
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; change elevator view
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ldy #LOCATION_EAST_BG
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lda #<arrival_e_lzsa
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sta location2,Y ; ARBOR_ARRIVAL_CLOSED
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lda #>arrival_e_lzsa
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sta location2+1,Y ; ARBOR_ARRIVAL_CLOSED
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; connect elevator exit
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ldy #LOCATION_EAST_EXIT
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lda #ARBOR_ARRIVAL_OPEN
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sta location2,Y ; ARBOR_ARRIVAL_CLOSED
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jmp make_elevator1_done
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make_elevator1_down:
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; change elevator view
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ldy #LOCATION_EAST_BG
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lda #<arrival_noelev_e_lzsa
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sta location2,Y ; ARBOR_ARRIVAL_CLOSED
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lda #>arrival_noelev_e_lzsa
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sta location2+1,Y ; ARBOR_ARRIVAL_CLOSED
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; disconnect elevator exit
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ldy #LOCATION_EAST_EXIT
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lda #ARBOR_ARRIVAL_NOELEV
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sta location2,Y ; ARBOR_ARRIVAL_CLOSED
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make_elevator1_done:
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; update based on switches
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lda CHANNEL_SWITCHES
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and #CHANNEL_SW_GATE_TOP
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beq top_gate_closed
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top_gate_open:
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; change top gate to open
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; change far view
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ldy #LOCATION_SOUTH_BG
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lda #<switch_hut_open_s_lzsa
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sta location14,Y ; ARBOR_SWITCH_HUT
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lda #>switch_hut_open_s_lzsa
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sta location14+1,Y ; ARBOR_SWITCH_HUT
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; change bridge view
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ldy #LOCATION_WEST_BG
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lda #<bridge7_open_w_lzsa
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sta location22,Y ; ARBOR_BRIDGE7
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lda #>bridge7_open_w_lzsa
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sta location22+1,Y ; ARBOR_BRIDGE7
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; change doors, elevator closed view
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; should be gate open, elevator closed
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lda #<doors_open_elev2_closed_w_lzsa
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sta location23,Y ; ARBOR_DOORS
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lda #>doors_open_elev2_closed_w_lzsa
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sta location23+1,Y ; ARBOR_DOORS
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; change doors, elevator open view
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; should be gate open, elevator open
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lda #<doors_open_w_lzsa
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sta location24,Y ; ARBOR_DOORS_ELEV2_OPEN
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lda #>doors_open_w_lzsa
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sta location24+1,Y ; ARBOR_DOORS_ELEV2_OPEN
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; change to allow traversing gate
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ldy #LOCATION_SPECIAL_EXIT
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lda #DIRECTION_W
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sta location23,Y ; ARBOR_DOORS
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sta location24,Y ; ARBOR_DOORS_ELEV2_OPEN
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jmp top_gate_done
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top_gate_closed:
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; change top gate to closed
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; change far view
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ldy #LOCATION_SOUTH_BG
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lda #<switch_hut_closed_s_lzsa
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sta location14,Y ; ARBOR_SWITCH_HUT
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lda #>switch_hut_closed_s_lzsa
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sta location14+1,Y ; ARBOR_SWITCH_HUT
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; change bridge view
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ldy #LOCATION_WEST_BG
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lda #<bridge7_closed_w_lzsa
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sta location22,Y ; ARBOR_BRIDGE7
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lda #>bridge7_closed_w_lzsa
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sta location22+1,Y ; ARBOR_BRIDGE7
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; change doors, elevator closed view
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; should be gate closed, elevator closed
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lda #<doors_closed_w_lzsa
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sta location23,Y ; ARBOR_DOORS
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lda #>doors_closed_w_lzsa
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sta location23+1,Y ; ARBOR_DOORS
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; change doors, elevator open view
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; should be gate closed, elevator open
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lda #<doors_elev2_open_w_lzsa
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sta location24,Y ; ARBOR_DOORS_ELEV2_OPEN
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lda #>doors_elev2_open_w_lzsa
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sta location24+1,Y ; ARBOR_DOORS_ELEV2_OPEN
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; change to disallow traversing gate
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ldy #LOCATION_SPECIAL_EXIT
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lda #$ff
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sta location23,Y ; ARBOR_DOORS
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sta location24,Y ; ARBOR_DOORS_ELEV2_OPEN
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top_gate_done:
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update_stair_door:
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lda CHANNEL_SWITCHES
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and #CHANNEL_SW_GATE_BOTTOM
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beq bottom_gate_closed
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bottom_gate_open:
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; change bottom gate to open
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ldy #LOCATION_WEST_BG
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lda #<steps_bottom_open_w_lzsa
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sta location30,Y ; ARBOR_STEPS_BOTTOM
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lda #>steps_bottom_open_w_lzsa
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sta location30+1,Y ; ARBOR_STEPS_BOTTOM
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jmp bottom_gate_done
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bottom_gate_closed:
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ldy #LOCATION_WEST_BG
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lda #<steps_bottom_closed_w_lzsa
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sta location30,Y ; ARBOR_STEPS_BOTTOM
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lda #>steps_bottom_closed_w_lzsa
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sta location30+1,Y ; ARBOR_STEPS_BOTTOM
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bottom_gate_done:
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done_update_arbor_state:
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rts
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