mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-12 12:07:53 +00:00
1e4c13d4e2
it was left a mess by March Vince, and just wasn't salvagable to re-use the pure animation ending, had to split off the sprites and do the laser gun manually a huge pain, did save some disk space though
599 lines
9.5 KiB
ArmAsm
599 lines
9.5 KiB
ArmAsm
; Ootw mesa at far right
|
|
|
|
ootw_mesa:
|
|
|
|
;===========================
|
|
; 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 right/left exit paramaters
|
|
|
|
lda BEAST_OUT ; if beast out, we can go full right
|
|
beq beast_not_out_yet
|
|
|
|
lda #(128+39) ; aliens trigger
|
|
sta RIGHT_LIMIT
|
|
sta RIGHT_WALK_LIMIT
|
|
jmp mesa_left
|
|
|
|
beast_not_out_yet:
|
|
lda #(128+20) ; beast trigger
|
|
sta RIGHT_LIMIT
|
|
sta RIGHT_WALK_LIMIT
|
|
mesa_left:
|
|
lda #(128-4)
|
|
sta LEFT_LIMIT
|
|
sta LEFT_WALK_LIMIT
|
|
|
|
;=============================
|
|
; Load background to $c00
|
|
|
|
lda #>(cavern3_rle)
|
|
sta GBASH
|
|
lda #<(cavern3_rle)
|
|
sta GBASL
|
|
lda #$c ; load image off-screen $c00
|
|
jsr load_rle_gr
|
|
|
|
|
|
;=================================
|
|
; setup vars
|
|
|
|
lda #0
|
|
sta GAIT
|
|
sta GAME_OVER
|
|
sta LEVELEND_PROGRESS
|
|
|
|
lda #2
|
|
sta WHICH_CAVE
|
|
|
|
jsr setup_beast
|
|
|
|
;============================
|
|
;============================
|
|
;============================
|
|
; Mesa main Loop
|
|
;============================
|
|
;============================
|
|
;============================
|
|
mesa_loop:
|
|
|
|
;===================================
|
|
; Check if in end-of-level animation
|
|
;===================================
|
|
|
|
lda LEVELEND_PROGRESS
|
|
beq no_levelend
|
|
|
|
jsr l1_end_level
|
|
|
|
jmp mesa_no_beast
|
|
|
|
no_levelend:
|
|
|
|
;==================================
|
|
; copy background to current page
|
|
;==================================
|
|
|
|
jsr gr_copy_to_current
|
|
|
|
;beyond_mesa_normal:
|
|
|
|
lda LEVELEND_PROGRESS ; only draw if not in end animation
|
|
bne level1_ending
|
|
|
|
;===============================
|
|
; check keyboard
|
|
;===============================
|
|
|
|
jsr handle_keypress
|
|
|
|
;===============================
|
|
; Move physicist
|
|
;===============================
|
|
|
|
jsr move_physicist
|
|
|
|
;===============================
|
|
; check limits
|
|
;===============================
|
|
|
|
jsr check_screen_limit
|
|
|
|
;===============
|
|
; draw physicist
|
|
;===============
|
|
|
|
jsr draw_physicist
|
|
|
|
mesa_no_check_levelend:
|
|
|
|
|
|
|
|
;================
|
|
; handle beast
|
|
|
|
lda BEAST_OUT
|
|
beq mesa_no_beast
|
|
|
|
;================
|
|
; move beast
|
|
;=================
|
|
|
|
jsr move_beast
|
|
|
|
;================
|
|
; draw beast
|
|
;================
|
|
|
|
jsr draw_beast
|
|
|
|
mesa_no_beast:
|
|
|
|
level1_ending:
|
|
|
|
;===============
|
|
; page flip
|
|
;===============
|
|
|
|
jsr page_flip
|
|
|
|
;================
|
|
; inc frame count
|
|
|
|
inc FRAMEL
|
|
bne mesa_frame_no_oflo
|
|
inc FRAMEH
|
|
|
|
mesa_frame_no_oflo:
|
|
|
|
|
|
;========================================
|
|
;========================================
|
|
; check if triggering beast
|
|
;========================================
|
|
;========================================
|
|
lda BEAST_OUT
|
|
bne mesa_done_check_beast
|
|
|
|
lda PHYSICIST_X
|
|
cmp #19
|
|
bne mesa_done_check_beast ; blt
|
|
|
|
trigger_beast:
|
|
;=======================
|
|
; trigger beast emerging
|
|
lda #1
|
|
sta BEAST_OUT
|
|
|
|
lda #26
|
|
sta BEAST_Y
|
|
|
|
lda #0
|
|
sta BEAST_DIRECTION
|
|
sta BEAST_GAIT
|
|
sta BEAST_STATE ; B_STANDING
|
|
sta GAME_OVER
|
|
sta PHYSICIST_STATE ; stop in tracks
|
|
|
|
lda #50
|
|
sta BEAST_COUNT
|
|
|
|
lda #30
|
|
sta BEAST_X
|
|
|
|
lda #(39+128) ; update right side of screen
|
|
sta RIGHT_LIMIT ; this is mostly for testing
|
|
sta RIGHT_WALK_LIMIT
|
|
|
|
; show cutscene of arrival
|
|
jsr beast_arrival_cutscene
|
|
|
|
jmp not_done_mesa
|
|
|
|
|
|
mesa_done_check_beast:
|
|
|
|
;========================================
|
|
;========================================
|
|
; check if at edge of screen or game over
|
|
;========================================
|
|
;========================================
|
|
l1_game_over_check:
|
|
lda GAME_OVER ; if not game over, skip ahead
|
|
beq not_done_mesa
|
|
|
|
cmp #$ff ; check if died, if so exit
|
|
beq done_mesa
|
|
|
|
cmp #$5 ; check if defeated, if so exit
|
|
beq done_mesa
|
|
|
|
;====================
|
|
; check if leaving room
|
|
mesa_check_right:
|
|
cmp #$2
|
|
bne mesa_check_left
|
|
|
|
;=====================
|
|
; off screen to right
|
|
; trigger ending
|
|
|
|
lda #MAX_PROGRESSION
|
|
sta LEVELEND_PROGRESS
|
|
|
|
lda #0
|
|
sta GAME_OVER
|
|
|
|
lda #30
|
|
sta PHYSICIST_X ; debugging
|
|
|
|
jmp not_done_mesa
|
|
|
|
|
|
|
|
mesa_check_left:
|
|
cmp #$1
|
|
bne not_done_mesa
|
|
|
|
;============================
|
|
; off screen to left
|
|
mesa_off_left:
|
|
lda #37
|
|
sta PHYSICIST_X
|
|
lda #1
|
|
sta WHICH_CAVE ; go left one screen
|
|
|
|
jmp ootw_cavern
|
|
|
|
not_done_mesa:
|
|
|
|
; loop forever
|
|
|
|
jmp mesa_loop
|
|
|
|
done_mesa:
|
|
rts
|
|
|
|
|
|
;=====================
|
|
; long(er) wait
|
|
; waits approximately 10ms * X
|
|
|
|
long_wait:
|
|
lda #64
|
|
jsr WAIT ; delay 1/2(26+27A+5A^2) us, 11,117
|
|
dex
|
|
bne long_wait
|
|
rts
|
|
|
|
|
|
MAX_PROGRESSION = 106
|
|
|
|
endl1_progression:
|
|
.word black_rle,black_rle
|
|
.word l1end51_rle,l1end50_rle,l1end49_rle,l1end48_rle,l1end47_rle
|
|
.word l1end46_rle,l1end45_rle,l1end44_rle,l1end43_rle,l1end42_rle
|
|
.word l1end41_rle,l1end40_rle,l1end39_rle,l1end38_rle,l1end37_rle
|
|
.word l1end36_rle
|
|
.word gunguy_rle,peace_rle
|
|
.word l1end33_rle,l1end32_rle,l1end31_rle,l1end30_rle
|
|
.word l1end29_rle,l1end28_rle,l1end27_rle,l1end26_rle,l1end25_rle
|
|
.word l1end24_rle,l1end23_rle,l1end22_rle,l1end21_rle,l1end20_rle
|
|
.word l1end19_rle,l1end18_rle,l1end17_rle,l1end16_rle,l1end15_rle
|
|
.word l1end14_rle,l1end13_rle,l1end12_rle,l1end11_rle,l1end10_rle
|
|
.word l1end09_rle,l1end08_rle,l1end07_rle,l1end06_rle,l1end05_rle
|
|
.word l1end04_rle,l1end03_rle,l1end02_rle,l1end01_rle
|
|
|
|
; pause is *before* image indicated
|
|
endl_pauses:
|
|
; fading out
|
|
.byte 10,10 ; black,black
|
|
.byte 10,10,10,10,220 ; 51,50,49,48,47
|
|
; getting shot
|
|
.byte 3,3,3,3,3 ; 46,45,44,43,42
|
|
.byte 3,3,3,3,3 ; 41,40,39,38,37
|
|
.byte 250 ; 36
|
|
.byte 230,80 ; gun, peace 35,34
|
|
; raising hand
|
|
.byte 20,150,20,20 ; 33,32,31,30
|
|
; getting up
|
|
.byte 20,20,150,10,10 ; 29,28,27,26,25
|
|
.byte 10,10,10,10,10 ; 24,23,22,21,20
|
|
; shooting of beast
|
|
.byte 3,3,3,3,3 ; 19,18,17,16,15
|
|
.byte 3,3,3,3,3 ; 14,13,12,11,10
|
|
.byte 3,3,3,3,3 ; 09,08,07,06,05
|
|
.byte 3,3,3,3 ; 04,03,02,01
|
|
|
|
|
|
|
|
|
|
;==========================
|
|
; Draw level-end animation
|
|
;==========================
|
|
|
|
l1_end_level:
|
|
|
|
|
|
check_if_first:
|
|
|
|
cmp #MAX_PROGRESSION ; only load background on first frame
|
|
bne levelend_not_first
|
|
|
|
lda #<cavern3_rle
|
|
sta GBASL
|
|
lda #>cavern3_rle
|
|
|
|
sta GBASH
|
|
lda #$C ; load image off-screen $C00
|
|
jsr load_rle_gr
|
|
|
|
lda #0
|
|
sta BEAST_DEAD
|
|
sta BEAST_ZAPPING
|
|
|
|
;=============================
|
|
|
|
levelend_not_first:
|
|
|
|
|
|
make_levelend_progress:
|
|
lda LEVELEND_PROGRESS ; if beast not zapped, can't go beyond19
|
|
|
|
cmp #(MAX_PROGRESSION-38) ; always go if not to afterzap
|
|
bcs levelend_dec ; bge
|
|
|
|
lda BEAST_DEAD
|
|
beq not_beginning_of_end
|
|
|
|
; jmp not_beginning_of_end
|
|
|
|
levelend_dec:
|
|
dec LEVELEND_PROGRESS
|
|
dec LEVELEND_PROGRESS
|
|
|
|
bne not_beginning_of_end
|
|
|
|
beginning_of_end:
|
|
lda #5
|
|
sta GAME_OVER
|
|
jmp l1_game_over_check
|
|
|
|
not_beginning_of_end:
|
|
|
|
ldx LEVELEND_PROGRESS
|
|
lda endl1_progression,X
|
|
sta GBASL
|
|
lda endl1_progression+1,X
|
|
sta GBASH
|
|
lda #$10 ; load image off-screen $1000
|
|
jsr load_rle_gr
|
|
|
|
jsr gr_overlay_40x40
|
|
|
|
|
|
;=====================================
|
|
; see if we should start zapping beast
|
|
|
|
lda BEAST_DEAD
|
|
beq beast_notdead ; skip all if dead
|
|
jmp ending_no_draw_beast
|
|
beast_notdead:
|
|
lda BEAST_ZAPPING
|
|
bne already_zapping ; already zapping
|
|
|
|
; if it's greater than 18, zap away
|
|
|
|
lda BEAST_X
|
|
cmp #18
|
|
bcc beast_nozapped ; blt
|
|
|
|
lda #1
|
|
sta BEAST_ZAPPING
|
|
|
|
beast_nozapped:
|
|
already_zapping:
|
|
|
|
ldx BEAST_ZAPPING
|
|
beq beast_draw_regular
|
|
|
|
beast_draw_zapping:
|
|
|
|
dex ; one past
|
|
|
|
; adjust X
|
|
sec
|
|
lda BEAST_X
|
|
sbc beast_zap_xadj,X
|
|
sta BEAST_X
|
|
sta XPOS
|
|
|
|
; adjust y
|
|
clc
|
|
lda BEAST_Y
|
|
adc beast_zap_yadj,X
|
|
sta BEAST_Y
|
|
sta YPOS
|
|
|
|
; draw laser
|
|
|
|
|
|
lda #$0f
|
|
sta hlin_mask_smc+1
|
|
lda #$10
|
|
sta hlin_color_smc+1
|
|
|
|
ldy #28 ; at 29
|
|
|
|
|
|
; from left to center of beast if all but last frame
|
|
|
|
cpx #5
|
|
beq last_frame
|
|
|
|
sec
|
|
lda #37
|
|
sbc BEAST_X
|
|
tax
|
|
lda BEAST_X
|
|
clc
|
|
adc #2
|
|
jmp not_last_frame
|
|
|
|
last_frame:
|
|
|
|
lda BEAST_X
|
|
clc
|
|
adc #2
|
|
tax
|
|
lda #0
|
|
|
|
not_last_frame:
|
|
jsr hlin
|
|
|
|
ldx BEAST_ZAPPING
|
|
dex
|
|
lda beast_zap_progression_hi,X
|
|
sta INH
|
|
lda beast_zap_progression_lo,X
|
|
sta INL
|
|
|
|
jsr put_sprite_crop
|
|
|
|
; adjust to next zapitude
|
|
|
|
inc BEAST_ZAPPING
|
|
|
|
lda BEAST_ZAPPING
|
|
cmp #7
|
|
bne beast_not_dead_yet
|
|
|
|
lda #1
|
|
sta BEAST_DEAD
|
|
|
|
ldx BEAST_X
|
|
dex
|
|
dex
|
|
stx BEAST_X
|
|
|
|
lda BEAST_Y
|
|
clc
|
|
adc #8
|
|
sta BEAST_Y
|
|
|
|
beast_not_dead_yet:
|
|
jmp done_check_dead_beast
|
|
|
|
beast_draw_regular:
|
|
|
|
; draw beast
|
|
|
|
; move a bit faster than normal due to low frame rate
|
|
; in cutscene
|
|
|
|
; if make it to 20, stop
|
|
|
|
lda BEAST_X
|
|
cmp #19
|
|
bcs beast_full_stop ; bge
|
|
|
|
; if closer than #10, slow a bit
|
|
|
|
; lda BEAST_X
|
|
; cmp #4
|
|
; bcs beast_half_speed ; bge
|
|
; bcc beast_inc_speed
|
|
;beast_half_speed:
|
|
; lda LEVELEND_PROGRESS
|
|
; lsr
|
|
; and #$1
|
|
; beq beast_full_stop
|
|
|
|
beast_inc_speed:
|
|
inc BEAST_X
|
|
inc BEAST_GAIT
|
|
|
|
beast_full_stop:
|
|
jsr draw_beast
|
|
|
|
ending_no_draw_beast:
|
|
|
|
; draw dead beast if frame >=19
|
|
; but *not* frame with peace 34
|
|
; we count down, so we want if less than (MAX_PROGRESSION-36)
|
|
|
|
lda LEVELEND_PROGRESS
|
|
cmp #(MAX_PROGRESSION-68) ; peace
|
|
beq done_check_dead_beast
|
|
lda BEAST_DEAD
|
|
beq done_check_dead_beast
|
|
|
|
lda BEAST_X
|
|
sta XPOS
|
|
lda BEAST_Y
|
|
sta YPOS
|
|
|
|
lda #<beast_dead_sprite
|
|
sta INL
|
|
lda #>beast_dead_sprite
|
|
sta INH
|
|
|
|
jsr put_sprite_crop
|
|
|
|
|
|
done_check_dead_beast:
|
|
|
|
;looploop:
|
|
; lda KEYPRESS
|
|
; bpl looploop
|
|
; bit KEYRESET
|
|
|
|
;====================
|
|
; pause
|
|
lda LEVELEND_PROGRESS
|
|
lsr
|
|
tax
|
|
lda endl_pauses,X
|
|
tax
|
|
jmp long_wait
|
|
|
|
|
|
beast_zap_progression_hi:
|
|
.byte >beast_blast_sprite0
|
|
.byte >beast_blast_sprite1
|
|
.byte >beast_blast_sprite2
|
|
.byte >beast_blast_sprite3
|
|
.byte >beast_blast_sprite4
|
|
.byte >beast_blast_sprite5
|
|
|
|
beast_zap_progression_lo:
|
|
.byte <beast_blast_sprite0
|
|
.byte <beast_blast_sprite1
|
|
.byte <beast_blast_sprite2
|
|
.byte <beast_blast_sprite3
|
|
.byte <beast_blast_sprite4
|
|
.byte <beast_blast_sprite5
|
|
|
|
|
|
beast_zap_xadj:
|
|
.byte 1,2,5,1,4,2
|
|
|
|
beast_zap_yadj:
|
|
.byte 254,254,254,0,2,2
|
|
|
|
|