mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-27 17:29:49 +00:00
226 lines
3.6 KiB
ArmAsm
226 lines
3.6 KiB
ArmAsm
; The Channely Wood level
|
|
|
|
; by deater (Vince Weaver) <vince@deater.net>
|
|
|
|
; Zero Page
|
|
.include "zp.inc"
|
|
.include "hardware.inc"
|
|
.include "common_defines.inc"
|
|
.include "common_routines.inc"
|
|
|
|
channel_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 initial location
|
|
|
|
jsr change_location
|
|
|
|
lda #1
|
|
sta CURSOR_VISIBLE ; visible at first
|
|
|
|
lda #0
|
|
sta ANIMATE_FRAME
|
|
|
|
; reset elevators and bridges at start
|
|
; actual game does this too?
|
|
; do this in the linking book otherwise this happens
|
|
; when we take the elevator back down
|
|
|
|
; lda CHANNEL_SWITCHES
|
|
; ; hack to avoid "RANGE ERROR" on some versions of ca65
|
|
; and #<(~(CHANNEL_BRIDGE_UP|CHANNEL_PIPE_EXTENDED|CHANNEL_BOOK_ELEVATOR_UP))
|
|
; sta CHANNEL_SWITCHES
|
|
|
|
; set up bridges
|
|
|
|
jsr adjust_after_changes
|
|
|
|
|
|
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 #CHANNEL_TANK_CLOSE
|
|
beq fg_draw_faucet
|
|
|
|
cmp #CHANNEL_WINDMILL
|
|
beq fg_draw_windmill_handle
|
|
|
|
cmp #CHANNEL_BOOK_OPEN
|
|
beq animate_mist_book
|
|
|
|
jmp nothing_special
|
|
|
|
fg_draw_windmill_handle:
|
|
jsr draw_windmill_handle
|
|
jmp nothing_special
|
|
|
|
fg_draw_faucet:
|
|
jsr draw_water_faucet
|
|
jmp nothing_special
|
|
|
|
animate_mist_book:
|
|
lda DIRECTION
|
|
cmp #DIRECTION_S
|
|
bne done_animate_book
|
|
|
|
lda ANIMATE_FRAME
|
|
cmp #6
|
|
bcc mist_book_good ; blt
|
|
|
|
lda #0
|
|
sta ANIMATE_FRAME
|
|
|
|
mist_book_good:
|
|
|
|
asl
|
|
tay
|
|
lda mist_movie,Y
|
|
sta INL
|
|
lda mist_movie+1,Y
|
|
sta INH
|
|
|
|
lda #24
|
|
sta XPOS
|
|
|
|
lda #12
|
|
sta YPOS
|
|
|
|
jsr put_sprite_crop
|
|
|
|
lda FRAMEL
|
|
and #$f
|
|
bne done_animate_book
|
|
|
|
inc ANIMATE_FRAME
|
|
|
|
done_animate_book:
|
|
jmp nothing_special
|
|
|
|
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
|
|
|
|
|
|
look_at_faucet:
|
|
lda #CHANNEL_TANK_CLOSE
|
|
sta LOCATION
|
|
jmp change_location
|
|
|
|
toggle_windmill:
|
|
lda CHANNEL_SWITCHES
|
|
eor #CHANNEL_SW_WINDMILL
|
|
sta CHANNEL_SWITCHES
|
|
rts
|
|
|
|
toggle_faucet:
|
|
lda CHANNEL_SWITCHES
|
|
eor #CHANNEL_SW_FAUCET
|
|
sta CHANNEL_SWITCHES
|
|
rts
|
|
|
|
|
|
;==========================
|
|
; includes
|
|
;==========================
|
|
|
|
; level graphics
|
|
.include "graphics_channel/channel_graphics.inc"
|
|
|
|
; sound
|
|
.include "simple_sounds.s"
|
|
|
|
; puzzles
|
|
.include "channel_switches.s"
|
|
|
|
; level data
|
|
.include "leveldata_channel.inc"
|
|
|
|
; linking books
|
|
.include "link_book_mist.s"
|
|
|