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