mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-07-02 09:29:39 +00:00
267 lines
3.8 KiB
ArmAsm
267 lines
3.8 KiB
ArmAsm
|
|
;==================================
|
|
; elevator stuff
|
|
;==================================
|
|
|
|
|
|
;==============================
|
|
; handle elevator button pushes
|
|
|
|
elevator_button:
|
|
lda CURSOR_Y
|
|
cmp #24
|
|
bcs elevator_goto_ground
|
|
cmp #20
|
|
bcs elevator_goto_half
|
|
|
|
elevator_goto_top:
|
|
|
|
; set exit to top floor
|
|
|
|
ldy #LOCATION_EAST_EXIT
|
|
lda #MECHE_TOP_FLOOR
|
|
sta location26,Y
|
|
|
|
; set bg to top-floor backround
|
|
|
|
ldy #LOCATION_EAST_BG
|
|
|
|
lda #<elevator_top_e_lzsa
|
|
sta location26,Y
|
|
lda #>elevator_top_e_lzsa
|
|
|
|
jmp elevator_button_done
|
|
|
|
|
|
elevator_goto_ground:
|
|
|
|
; set exit to top floor
|
|
|
|
ldy #LOCATION_EAST_EXIT
|
|
lda #MECHE_ELEVATOR_PATH
|
|
sta location26,Y
|
|
|
|
; set bg to top-floor backround
|
|
|
|
ldy #LOCATION_EAST_BG
|
|
|
|
lda #<elevator_ground_e_lzsa
|
|
sta location26,Y
|
|
lda #>elevator_ground_e_lzsa
|
|
|
|
jmp elevator_button_done
|
|
|
|
|
|
|
|
|
|
elevator_goto_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
|
|
|
|
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
|