mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-04 05:05:13 +00:00
300 lines
4.2 KiB
ArmAsm
300 lines
4.2 KiB
ArmAsm
; Ootw Checkpoint5 -- Running around the Caves
|
|
|
|
|
|
; call once before entering cave for first time
|
|
ootw_cave_init:
|
|
lda #0
|
|
sta WHICH_CAVE
|
|
sta BLASTED_WALL
|
|
; yes you fall in facing left for some reason
|
|
sta NUM_DOORS
|
|
|
|
lda #1
|
|
sta HAVE_GUN
|
|
sta DIRECTION ; right
|
|
|
|
lda #0
|
|
sta PHYSICIST_X
|
|
lda #24
|
|
sta PHYSICIST_Y
|
|
|
|
;====================
|
|
; reset doors
|
|
lda #DOOR_STATUS_CLOSED
|
|
sta c4_r0_door0_status
|
|
|
|
|
|
rts
|
|
|
|
|
|
;===========================
|
|
; enter new room in cave
|
|
;===========================
|
|
|
|
ootw_cave:
|
|
|
|
;==============================
|
|
; each room init
|
|
|
|
|
|
;==============================
|
|
; setup per-room variables
|
|
|
|
lda WHICH_CAVE
|
|
bne cave1
|
|
|
|
jsr init_shields
|
|
|
|
; Room0 entrance
|
|
cave0:
|
|
lda #(0+128)
|
|
sta LEFT_LIMIT
|
|
lda #(39+128)
|
|
sta RIGHT_LIMIT
|
|
|
|
; set right exit
|
|
lda #$ff
|
|
sta cer_smc+1
|
|
|
|
; set left exit
|
|
lda #0
|
|
sta cel_smc+1
|
|
|
|
; set up doors
|
|
|
|
lda #1
|
|
sta NUM_DOORS
|
|
|
|
lda #<door_c4_r0
|
|
sta setup_door_table_loop_smc+1
|
|
lda #>door_c4_r0
|
|
sta setup_door_table_loop_smc+2
|
|
jsr setup_door_table
|
|
|
|
not_falling_in:
|
|
lda #24
|
|
sta PHYSICIST_Y
|
|
|
|
; load background
|
|
lda #>(temple_center_w_rle)
|
|
sta GBASH
|
|
lda #<(temple_center_w_rle)
|
|
sta GBASL
|
|
lda #$c ; load to page $c00
|
|
jsr load_rle_gr ; tail call
|
|
|
|
;=====================
|
|
; setup walk collision
|
|
jsr recalc_walk_collision
|
|
|
|
|
|
cave1:
|
|
|
|
ootw_cave_already_set:
|
|
;===========================
|
|
; Enable graphics
|
|
|
|
bit LORES
|
|
bit SET_GR
|
|
bit FULLGR
|
|
|
|
;===========================
|
|
; Setup pages (is this necessary?)
|
|
|
|
lda #0
|
|
sta DRAW_PAGE
|
|
lda #1
|
|
sta DISP_PAGE
|
|
|
|
;=================================
|
|
; setup vars
|
|
|
|
lda #0
|
|
sta GAIT
|
|
sta GAME_OVER
|
|
|
|
;============================
|
|
;============================
|
|
; Cave Loop
|
|
;============================
|
|
;============================
|
|
cave_loop:
|
|
|
|
;================================
|
|
; copy background to current page
|
|
|
|
jsr gr_copy_to_current
|
|
|
|
;==================================
|
|
; draw background action
|
|
|
|
lda WHICH_CAVE
|
|
|
|
bg_cave0:
|
|
|
|
|
|
c5_no_bg_action:
|
|
|
|
;============================
|
|
; switch bg if exploded
|
|
|
|
lda BLASTED_WALL
|
|
cmp #1
|
|
bne wall_good
|
|
|
|
; load background
|
|
lda #>(temple_center_ex_rle)
|
|
sta GBASH
|
|
lda #<(temple_center_ex_rle)
|
|
sta GBASL
|
|
lda #$c ; load to page $c00
|
|
jsr load_rle_gr ; tail call
|
|
|
|
inc BLASTED_WALL
|
|
wall_good:
|
|
|
|
;===============================
|
|
; check keyboard
|
|
|
|
jsr handle_keypress
|
|
|
|
;===============================
|
|
; move physicist
|
|
;===============================
|
|
|
|
jsr move_physicist
|
|
|
|
;===============
|
|
; check room limits
|
|
|
|
jsr check_screen_limit
|
|
|
|
;=================
|
|
; adjust floor
|
|
|
|
|
|
check_floor0_done:
|
|
|
|
check_floor1:
|
|
|
|
|
|
;===============
|
|
; draw physicist
|
|
|
|
jsr draw_physicist
|
|
|
|
|
|
;===============
|
|
; handle gun
|
|
|
|
jsr handle_gun
|
|
|
|
|
|
;===============
|
|
; handle doors
|
|
|
|
jsr handle_doors
|
|
|
|
;=========
|
|
; jsr draw_doors
|
|
|
|
;========================
|
|
; draw foreground action
|
|
|
|
c5_no_fg_action:
|
|
|
|
|
|
|
|
;================
|
|
; move fg objects
|
|
;================
|
|
|
|
|
|
|
|
;===============
|
|
; page flip
|
|
|
|
jsr page_flip
|
|
|
|
;================
|
|
; inc frame count
|
|
|
|
inc FRAMEL
|
|
bne cave_frame_no_oflo
|
|
inc FRAMEH
|
|
cave_frame_no_oflo:
|
|
|
|
;==========================
|
|
; check if done this level
|
|
;==========================
|
|
|
|
lda GAME_OVER
|
|
beq still_in_cave
|
|
|
|
cmp #$ff ; if $ff, we died
|
|
beq done_cave
|
|
|
|
;===============================
|
|
; check if exited room to right
|
|
cmp #1
|
|
beq cave_exit_left
|
|
|
|
;=================
|
|
; exit to right
|
|
|
|
cave_right_yes_exit:
|
|
|
|
lda #0
|
|
sta PHYSICIST_X
|
|
cer_smc:
|
|
lda #$0 ; smc+1 = exit location
|
|
sta WHICH_CAVE
|
|
jmp done_cave
|
|
|
|
;=====================
|
|
; exit to left
|
|
|
|
cave_exit_left:
|
|
|
|
lda #37
|
|
sta PHYSICIST_X
|
|
cel_smc:
|
|
lda #0 ; smc+1
|
|
sta WHICH_CAVE
|
|
jmp done_cave
|
|
|
|
; loop forever
|
|
still_in_cave:
|
|
lda #0
|
|
sta GAME_OVER
|
|
|
|
jmp cave_loop
|
|
|
|
done_cave:
|
|
rts
|
|
|
|
|
|
door_c4_r0:
|
|
.word door_c4_r0_status
|
|
.word door_c4_r0_x
|
|
.word door_c4_r0_y
|
|
.word door_c4_r0_xmin
|
|
.word door_c4_r0_xmax
|
|
|
|
door_c4_r0_status:
|
|
c4_r0_door0_status: .byte DOOR_STATUS_CLOSED
|
|
|
|
door_c4_r0_x:
|
|
c4_r0_door0_x: .byte 19
|
|
|
|
door_c4_r0_y:
|
|
c4_r0_door0_y: .byte 20
|
|
|
|
door_c4_r0_xmin:
|
|
c4_r0_door0_xmin: .byte 11 ; 7-4-5
|
|
|
|
door_c4_r0_xmax:
|
|
c4_r0_door0_xmax: .byte 24 ; 7+4
|
|
|
|
|