mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-08-18 07:29:33 +00:00
195 lines
2.9 KiB
ArmAsm
195 lines
2.9 KiB
ArmAsm
; Viewer in the room by the dock
|
|
|
|
; by deater (Vince Weaver) <vince@deater.net>
|
|
|
|
; Zero Page
|
|
.include "zp.inc"
|
|
.include "hardware.inc"
|
|
.include "common_defines.inc"
|
|
.include "common_routines.inc"
|
|
|
|
viewer_start:
|
|
;===================
|
|
; init screen
|
|
jsr TEXT
|
|
jsr HOME
|
|
bit KEYRESET
|
|
|
|
bit SET_GR
|
|
bit PAGE0
|
|
bit LORES
|
|
bit FULLGR
|
|
|
|
;=================
|
|
; set up location
|
|
;=================
|
|
|
|
lda #<locations
|
|
sta LOCATIONS_L
|
|
lda #>locations
|
|
sta LOCATIONS_H
|
|
|
|
|
|
lda #0
|
|
sta DRAW_PAGE
|
|
sta LEVEL_OVER
|
|
|
|
; init cursor
|
|
|
|
lda #20
|
|
sta CURSOR_X
|
|
sta CURSOR_Y
|
|
|
|
; set up ship backgrounds
|
|
jsr setup_backgrounds
|
|
|
|
; set up initial location
|
|
|
|
jsr change_location
|
|
|
|
lda #1
|
|
sta CURSOR_VISIBLE ; visible at first
|
|
|
|
lda #0
|
|
sta ANIMATE_FRAME
|
|
|
|
game_loop:
|
|
;=================
|
|
; reset things
|
|
;=================
|
|
|
|
lda #0
|
|
sta IN_SPECIAL
|
|
sta IN_RIGHT
|
|
sta IN_LEFT
|
|
|
|
;====================================
|
|
; copy background to current page
|
|
;====================================
|
|
|
|
jsr gr_copy_to_current
|
|
|
|
;====================================
|
|
; handle special-case forground logic
|
|
;====================================
|
|
|
|
lda LOCATION
|
|
cmp #VIEWER_CONTROL_PANEL
|
|
beq control_panel
|
|
cmp #VIEWER_POOL_CLOSE
|
|
beq look_at_pool
|
|
jmp reset_animation
|
|
|
|
look_at_pool:
|
|
jsr display_viewer
|
|
|
|
jmp nothing_special
|
|
|
|
control_panel:
|
|
jsr display_panel_code
|
|
|
|
jmp reset_animation
|
|
|
|
reset_animation:
|
|
lda #0
|
|
sta ANIMATE_FRAME
|
|
|
|
nothing_special:
|
|
|
|
|
|
|
|
;====================================
|
|
; draw pointer
|
|
;====================================
|
|
|
|
jsr draw_pointer
|
|
|
|
;====================================
|
|
; page flip
|
|
;====================================
|
|
|
|
jsr page_flip
|
|
|
|
;====================================
|
|
; handle keypress/joystick
|
|
;====================================
|
|
|
|
jsr handle_keypress
|
|
|
|
|
|
;====================================
|
|
; inc frame count
|
|
;====================================
|
|
|
|
inc FRAMEL
|
|
bne room_frame_no_oflo
|
|
inc FRAMEH
|
|
room_frame_no_oflo:
|
|
|
|
;====================================
|
|
; check level over
|
|
;====================================
|
|
|
|
lda LEVEL_OVER
|
|
bne really_exit
|
|
jmp game_loop
|
|
|
|
really_exit:
|
|
jmp end_level
|
|
|
|
|
|
|
|
back_to_mist:
|
|
|
|
lda #$ff
|
|
sta LEVEL_OVER
|
|
|
|
lda #MIST_ARRIVAL_DOCK ; the dock
|
|
sta LOCATION
|
|
lda #DIRECTION_E
|
|
sta DIRECTION
|
|
|
|
lda #LOAD_MIST
|
|
sta WHICH_LOAD
|
|
|
|
rts
|
|
|
|
|
|
; handle ship up or down
|
|
setup_backgrounds:
|
|
|
|
lda SHIP_RAISED
|
|
beq done_raised
|
|
|
|
ldy #LOCATION_EAST_BG
|
|
|
|
lda #<viewer_entrance_ship_e_lzsa
|
|
sta location0,Y ; VIEWER_ENTRANCE
|
|
lda #>viewer_entrance_ship_e_lzsa
|
|
sta location0+1,Y ; VIEWER_ENTRANCE
|
|
|
|
lda #<viewer_stairs_ship_e_lzsa
|
|
sta location1,Y ; VIEWER_SHIP
|
|
lda #>viewer_stairs_ship_e_lzsa
|
|
sta location1+1,Y ; VIEWER_SHIP
|
|
|
|
done_raised:
|
|
rts
|
|
|
|
|
|
;==========================
|
|
; includes
|
|
;==========================
|
|
|
|
; graphics
|
|
.include "graphics_viewer/viewer_graphics.inc"
|
|
.include "number_sprites.inc"
|
|
|
|
; puzzles
|
|
.include "viewer_controls.s"
|
|
|
|
; leveldata
|
|
.include "leveldata_viewer.inc"
|
|
|
|
|