mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-13 03:29:32 +00:00
ootw: can now walk right
added over-complicaetd flipped sprite routine hack rather than flipping the sprites as per previous tradition
This commit is contained in:
Vince Weaver
parent
3ac5dd4ba0
commit
23208b3636
12
ootw/TODO
Normal file
12
ootw/TODO
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
|
||||
+ only erase the middle of screen where things change
|
||||
+ walking animation
|
||||
+ crouching animation
|
||||
+ kicking animation
|
||||
+ death scenes (slugs + tentacles)
|
||||
+ some sort of "level over" message
|
||||
+ water ripples
|
||||
|
||||
|
||||
far-out:
|
||||
+ add the shooting-in-hallway scene
|
||||
|
|
@ -148,3 +148,165 @@ put_sprite_done_draw:
|
|||
rts ; return ; 6
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
;=============================================
|
||||
; put_sprite_flipped
|
||||
;=============================================
|
||||
; Sprite to display in INH,INL
|
||||
; Location is XPOS,YPOS
|
||||
; Note, only works if YPOS is multiple of two
|
||||
|
||||
; transparent color is $A (grey #2)
|
||||
; this means we can have black ($0) in a sprite
|
||||
|
||||
|
||||
put_sprite_flipped:
|
||||
|
||||
ldy #0 ; byte 0 is xsize ; 2
|
||||
lda (INL),Y ; 5
|
||||
sta CH ; xsize is in CH ; 3
|
||||
iny ; 2
|
||||
|
||||
|
||||
lda (INL),Y ; byte 1 is ysize ; 5
|
||||
sta CV ; ysize is in CV ; 3
|
||||
dey ; make Y zero again ; 2
|
||||
|
||||
lda INH
|
||||
sta ppf_smc+2
|
||||
clc
|
||||
lda INL
|
||||
adc #1 ; add one (not two) because X counts
|
||||
; from CH to 1 (not CH-1 to 0)
|
||||
sta ppf_smc+1
|
||||
bcc psf16
|
||||
inc ppf_smc+2
|
||||
psf16:
|
||||
|
||||
|
||||
lda YPOS ; make a copy of ypos ; 3
|
||||
|
||||
sta TEMPY ; as we modify it ; 3
|
||||
;===========
|
||||
; 28
|
||||
|
||||
|
||||
|
||||
put_spritef_loop:
|
||||
sty TEMP ; save sprite pointer ; 3
|
||||
ldy TEMPY ; 3
|
||||
lda gr_offsets,Y ; lookup low-res memory address ; 4
|
||||
clc ; 2
|
||||
adc XPOS ; add in xpos ; 3
|
||||
sta OUTL ; store out low byte of addy ; 3
|
||||
lda gr_offsets+1,Y ; look up high byte ; 4
|
||||
adc DRAW_PAGE ; ; 3
|
||||
sta OUTH ; and store it out ; 3
|
||||
ldy TEMP ; restore sprite pointer ; 3
|
||||
|
||||
; OUTH:OUTL now points at right place
|
||||
|
||||
ldx CH ; load xsize into x ; 3
|
||||
;===========
|
||||
; 34
|
||||
put_spritef_pixel:
|
||||
ppf_smc:
|
||||
lda $C000,X ; get sprite colors ; 5
|
||||
iny ; increment sprite pointer ; 2
|
||||
|
||||
sty TEMP ; save sprite pointer ; 3
|
||||
ldy #$0 ; 2
|
||||
|
||||
; check if completely transparent
|
||||
; if so, skip
|
||||
|
||||
cmp #$aa ; if all zero, transparent ; 2
|
||||
beq put_spritef_done_draw ; don't draw it ; 2nt/3
|
||||
;==============
|
||||
; 16/17
|
||||
|
||||
sta COLOR ; save color for later ; 3
|
||||
|
||||
; check if top pixel transparent
|
||||
|
||||
and #$f0 ; check if top nibble zero ; 2
|
||||
cmp #$a0
|
||||
bne put_spritef_bottom ; if not skip ahead ; 2nt/3
|
||||
;==============
|
||||
; 7/8
|
||||
|
||||
lda COLOR
|
||||
and #$0f
|
||||
sta COLOR
|
||||
|
||||
lda #$f0 ; setup mask ; 2
|
||||
sta MASK ; 3
|
||||
bmi put_spritef_mask ; always? ; 3
|
||||
;=============
|
||||
; 8
|
||||
|
||||
put_spritef_bottom:
|
||||
lda COLOR ; re-load color ; 3
|
||||
and #$0f ; check if bottom nibble zero ; 2
|
||||
cmp #$0a
|
||||
bne put_spritef_all ; if not, skip ahead ; 2nt/3
|
||||
;=============
|
||||
; 7/8
|
||||
|
||||
lda COLOR
|
||||
and #$f0
|
||||
sta COLOR
|
||||
lda #$0f ; 2
|
||||
sta MASK ; setup mask ; 3
|
||||
;===========
|
||||
; 5
|
||||
|
||||
put_spritef_mask:
|
||||
lda (OUTL),Y ; get color at output ; 5
|
||||
and MASK ; mask off unneeded part ; 3
|
||||
ora COLOR ; or the color in ; 3
|
||||
sta (OUTL),Y ; store it back ; 6
|
||||
|
||||
jmp put_spritef_done_draw ; we are done ; 3
|
||||
;===========
|
||||
; 20
|
||||
|
||||
put_spritef_all:
|
||||
lda COLOR ; load color ; 3
|
||||
sta (OUTL),Y ; and write it out ; 6
|
||||
;============
|
||||
; 9
|
||||
|
||||
put_spritef_done_draw:
|
||||
|
||||
ldy TEMP ; restore sprite pointer ; 3
|
||||
|
||||
inc OUTL ; increment output pointer ; 5
|
||||
dex ; decrement x counter ; 2
|
||||
bne put_spritef_pixel ; if not done, keep looping ; 2nt/3
|
||||
;==============
|
||||
; 12/13
|
||||
|
||||
inc TEMPY ; each line has two y vars ; 5
|
||||
inc TEMPY ; 5
|
||||
|
||||
lda CH
|
||||
clc
|
||||
adc ppf_smc+1
|
||||
sta ppf_smc+1
|
||||
bcc psfo
|
||||
inc ppf_smc+2
|
||||
psfo:
|
||||
|
||||
dec CV ; decemenet total y count ; 5
|
||||
bne put_spritef_loop ; loop if not done ; 2nt/3
|
||||
;==============
|
||||
; 17/18
|
||||
|
||||
rts ; return ; 6
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,11 @@
|
|||
5 HOME
|
||||
10 PRINT "OOTW V0.1 BY DEATER"
|
||||
10 PRINT "OOTW PROOF-OF-CONCEPT V0.5 BY DEATER"
|
||||
20 PRINT:PRINT
|
||||
30 PRINT "ORIGINAL BY ERIC CHAHI"
|
||||
40 PRINT "INSPIRED BY PAUL NICHOLAS PICO-8 VERSION"
|
||||
50 PRINT
|
||||
60 PRINT "WASD OR ARROWS TO MOVE"
|
||||
70 PRINT "SPACEBAR FOR ACTION"
|
||||
80 PRINT
|
||||
100 PRINT CHR$ (4)"BRUN OOTW"
|
||||
|
||||
|
|
|
|||
34
ootw/ootw.s
34
ootw/ootw.s
|
|
@ -185,32 +185,26 @@ draw_physicist:
|
|||
sta GAIT
|
||||
tax
|
||||
|
||||
lda DIRECTION
|
||||
beq facing_left
|
||||
|
||||
facing_right:
|
||||
|
||||
lda adv_walk_right_progression,X
|
||||
lda phys_walk_progression,X
|
||||
sta INL
|
||||
|
||||
lda adv_walk_right_progression+1,X
|
||||
lda phys_walk_progression+1,X
|
||||
sta INH
|
||||
jmp draw_him
|
||||
|
||||
lda PHYSICIST_X
|
||||
sta XPOS
|
||||
lda PHYSICIST_Y
|
||||
sta YPOS
|
||||
|
||||
lda DIRECTION
|
||||
bne facing_right
|
||||
|
||||
facing_left:
|
||||
lda adv_walk_left_progression,X
|
||||
sta INL
|
||||
lda adv_walk_left_progression+1,X
|
||||
sta INH
|
||||
|
||||
draw_him:
|
||||
|
||||
lda PHYSICIST_X
|
||||
sta XPOS
|
||||
lda PHYSICIST_Y
|
||||
sta YPOS
|
||||
|
||||
jsr put_sprite ; make this a "jmp"?
|
||||
rts
|
||||
|
||||
facing_right:
|
||||
jsr put_sprite_flipped
|
||||
|
||||
rts
|
||||
|
||||
|
|
|
|||
|
|
@ -1,36 +1,17 @@
|
|||
adv_walk_left_progression:
|
||||
.word adv_stand_left
|
||||
.word adv_walk_left1
|
||||
.word adv_walk_left2
|
||||
.word adv_walk_left3
|
||||
.word adv_walk_left4
|
||||
.word adv_walk_left5
|
||||
.word adv_walk_left6
|
||||
.word adv_walk_left7
|
||||
phys_walk_progression:
|
||||
.word phys_stand
|
||||
.word phys_walk_left1
|
||||
.word phys_walk_left2
|
||||
.word phys_walk_left3
|
||||
.word phys_walk_left4
|
||||
.word phys_walk_left5
|
||||
.word phys_walk_left6
|
||||
.word phys_walk_left7
|
||||
|
||||
adv_walk_right_progression:
|
||||
.word adv_stand_right
|
||||
.word adv_walk_left1
|
||||
.word adv_walk_left2
|
||||
.word adv_walk_left3
|
||||
.word adv_walk_left4
|
||||
.word adv_walk_left5
|
||||
.word adv_walk_left6
|
||||
.word adv_walk_left7
|
||||
;====================
|
||||
; Going Left
|
||||
|
||||
|
||||
adv_stand_right:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$99,$bb,$aa
|
||||
.byte $aa,$0b,$aa,$aa
|
||||
.byte $aa,$bb,$aa,$aa
|
||||
.byte $aa,$bb,$aa,$aa
|
||||
.byte $aa,$44,$aa,$aa
|
||||
.byte $aa,$44,$aa,$aa
|
||||
.byte $aa,$f4,$fa,$aa
|
||||
|
||||
adv_stand_left:
|
||||
phys_stand:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -41,7 +22,7 @@ adv_stand_left:
|
|||
.byte $aa,$aa,$44,$aa
|
||||
.byte $aa,$fa,$f4,$aa
|
||||
|
||||
adv_walk_left1:
|
||||
phys_walk_left1:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -52,7 +33,7 @@ adv_walk_left1:
|
|||
.byte $aa,$cc,$44,$aa
|
||||
.byte $aa,$fa,$f4,$a5
|
||||
|
||||
adv_walk_left2:
|
||||
phys_walk_left2:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -63,7 +44,7 @@ adv_walk_left2:
|
|||
.byte $aa,$cc,$44,$4a
|
||||
.byte $aa,$a5,$fc,$f4
|
||||
|
||||
adv_walk_left3:
|
||||
phys_walk_left3:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -74,7 +55,7 @@ adv_walk_left3:
|
|||
.byte $aa,$cc,$a4,$4a
|
||||
.byte $5a,$5c,$fa,$f4
|
||||
|
||||
adv_walk_left4:
|
||||
phys_walk_left4:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -85,7 +66,7 @@ adv_walk_left4:
|
|||
.byte $aa,$aa,$c4,$4a
|
||||
.byte $aa,$5a,$5f,$af
|
||||
|
||||
adv_walk_left5:
|
||||
phys_walk_left5:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -96,7 +77,7 @@ adv_walk_left5:
|
|||
.byte $aa,$44,$c4,$aa
|
||||
.byte $af,$5f,$5c,$aa
|
||||
|
||||
adv_walk_left6:
|
||||
phys_walk_left6:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
@ -107,7 +88,7 @@ adv_walk_left6:
|
|||
.byte $aa,$aa,$44,$aa
|
||||
.byte $fa,$f4,$5c,$5c
|
||||
|
||||
adv_walk_left7:
|
||||
phys_walk_left7:
|
||||
.byte $4,$8
|
||||
.byte $aa,$9a,$9a,$aa
|
||||
.byte $aa,$bb,$99,$aa
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user