mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-30 07:30:04 +00:00
998 lines
12 KiB
ArmAsm
998 lines
12 KiB
ArmAsm
.include "zp.inc"
|
|
|
|
JO EQU $00 ; fireball out
|
|
JX EQU $01
|
|
JY EQU $02
|
|
JA EQU $03
|
|
KO EQU $04 ; core out
|
|
KXL EQU $05
|
|
KXH EQU $06
|
|
KY EQU $07
|
|
KV EQU $08
|
|
BO EQU $09 ; blue portal
|
|
BXL EQU $0A
|
|
BXH EQU $0B
|
|
BY EQU $0C
|
|
GO EQU $0D ; orange portal
|
|
GXL EQU $0E
|
|
GXH EQU $0F
|
|
GY EQU $10
|
|
PR EQU $11
|
|
SXH EQU $12
|
|
SXL EQU $13
|
|
SY EQU $14
|
|
UXL EQU $15
|
|
UXH EQU $16
|
|
UY EQU $17
|
|
TIME EQU $18
|
|
|
|
HGR_SHAPE EQU $1A
|
|
HGR_SHAPEH EQU $1B
|
|
HGR_BITS EQU $1C
|
|
HGR_COUNT EQU $1D
|
|
HGR_DX EQU $D0
|
|
HGR_DY EQU $D2
|
|
HGR_QUADRANT EQU $D3
|
|
HGR_E EQU $D4
|
|
HGR_EH EQU $D5
|
|
HGR_X EQU $E0
|
|
HGR_Y EQU $E2
|
|
HGR_COLOR EQU $E4
|
|
HGR_HORIZ EQU $E5
|
|
HGR_PAGE EQU $E6
|
|
HGR_SCALE EQU $E7
|
|
HGR_COLLISIONS EQU $EA
|
|
HGR_ROTATION EQU $F9
|
|
|
|
X1 EQU $FD
|
|
X2 EQU $FE
|
|
Y1 EQU $FF
|
|
|
|
SOUND1 EQU $302
|
|
SOUND2 EQU $303
|
|
|
|
HGR EQU $F3E2
|
|
HCLR EQU $F3F2
|
|
HPOSN EQU $F411
|
|
HPLOT0 EQU $F457
|
|
HGLIN EQU $F53A
|
|
XDRAW1 EQU $F661
|
|
COLORTBL EQU $F6F6
|
|
|
|
|
|
ending:
|
|
|
|
;==========================
|
|
; Init vars
|
|
;==========================
|
|
|
|
lda #0
|
|
sta JO ; jam out
|
|
sta KO ; core out
|
|
sta TIME
|
|
|
|
lda #1
|
|
sta PR ; portals horizontal
|
|
|
|
|
|
;==========================
|
|
; Setup Graphics
|
|
;==========================
|
|
|
|
; We can't use HGR as it clears the screen
|
|
; jsr HGR
|
|
|
|
jsr HOME
|
|
|
|
bit PAGE0 ; first graphics page
|
|
lda #$20
|
|
sta HGR_PAGE
|
|
bit TEXTGR ; mixed text/graphics
|
|
bit HIRES ; hires mode !!!
|
|
; !!!! trouble when we use 80 col later
|
|
bit SET_GR ; graphics mode
|
|
|
|
|
|
;======================
|
|
; Draw Chell
|
|
;======================
|
|
|
|
lda #1
|
|
sta HGR_SCALE
|
|
lda #<chell_right
|
|
sta HGR_SHAPE
|
|
lda #>chell_right
|
|
sta HGR_SHAPE+1
|
|
|
|
; HFNS puts X-coord in Y,X, Y-coord in A
|
|
; HPOSN sets up GBASL/GBASH
|
|
|
|
ldy #0
|
|
lda #112
|
|
ldx #69
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1
|
|
|
|
;============
|
|
; Draw blue core
|
|
;============
|
|
|
|
lda #150
|
|
sta KXL
|
|
lda #0
|
|
sta KXH
|
|
lda #65
|
|
sta KY
|
|
jsr draw_core
|
|
|
|
|
|
;============================
|
|
; Start with blue portal out
|
|
;============================
|
|
|
|
lda #0
|
|
sta BO
|
|
sta SXH
|
|
lda #45
|
|
sta SXL
|
|
lda #100
|
|
sta SY
|
|
jsr draw_blue_no_sound
|
|
|
|
;============================
|
|
; Start with orange portal out
|
|
;============================
|
|
|
|
lda #0
|
|
sta GO
|
|
sta SXH
|
|
lda #119
|
|
sta SXL
|
|
lda #115
|
|
sta SY
|
|
jsr draw_orange_no_sound
|
|
|
|
|
|
game_loop:
|
|
lda KXL ; update core co-ords
|
|
sta UXL
|
|
lda KY
|
|
sta UY
|
|
lda KXH
|
|
sta UXH
|
|
|
|
lda TIME
|
|
beq no_time
|
|
|
|
inc TIME
|
|
|
|
cmp #15
|
|
bne time_30
|
|
time_15:
|
|
lda #1
|
|
sta SXH
|
|
lda #3
|
|
sta SXL
|
|
lda #50
|
|
sta SY
|
|
jsr draw_blue
|
|
|
|
jmp no_time
|
|
time_30:
|
|
cmp #30
|
|
bne no_time
|
|
|
|
lda #0
|
|
sta SXH
|
|
lda #149
|
|
sta SXL
|
|
lda #119
|
|
sta SY
|
|
jsr draw_orange
|
|
|
|
|
|
no_time:
|
|
|
|
;===================
|
|
; Physics Engine
|
|
;===================
|
|
|
|
; Draw/Move Fireball
|
|
|
|
ldx JO
|
|
beq jo_not_out
|
|
dex
|
|
beq jo_out
|
|
jmp done_jo
|
|
|
|
jo_not_out:
|
|
lda #1 ; If JO=0 THEN JO=1
|
|
sta JO
|
|
lda #45
|
|
sta JX ; JX=45
|
|
lda #10
|
|
sta JY ; JY=10
|
|
lda #5
|
|
sta JA ; JA=5
|
|
|
|
lda #200 ; POKE 768,200:POKE 769,10:CALL 770
|
|
sta SOUND1
|
|
lda #10
|
|
sta SOUND2
|
|
jsr sound
|
|
|
|
jmp jo_draw ; XDRAW 6 AT JX,JY
|
|
|
|
jo_out:
|
|
jsr draw_j ; erase old jo
|
|
clc
|
|
lda JY
|
|
adc JA
|
|
sta JY
|
|
jo_draw:
|
|
jsr draw_j ; draw new jo
|
|
|
|
done_jo:
|
|
|
|
; Move Blue Core
|
|
|
|
lda KO
|
|
beq done_move
|
|
; IF KO=1 THEN KY=KY-KV:KV=KV-4.5
|
|
|
|
sec
|
|
lda KY
|
|
sbc KV
|
|
sta KY
|
|
|
|
sec
|
|
lda KV
|
|
sbc #4
|
|
sta KV
|
|
|
|
done_move:
|
|
;====================================
|
|
; Portal Collision Detection
|
|
;====================================
|
|
|
|
; Portal/Core
|
|
|
|
lda KO
|
|
beq portal_fb ; IF KO=0 GOTO 206
|
|
|
|
; IF KX>BX-12 AND KX<BX+12 AND KY<BY+6 AND KY>BY-6 THEN SCALE=1:KX=GX:KY=GY+6
|
|
|
|
lda GXL
|
|
sec
|
|
sbc #12
|
|
cmp KXL
|
|
bcs no_g_core ; IF KX>GX-12 AND
|
|
|
|
lda GXL
|
|
clc
|
|
adc #12
|
|
cmp KXL
|
|
bcc no_g_core ; KX<GX+12 AND
|
|
|
|
lda GY
|
|
clc
|
|
adc #6
|
|
cmp KY
|
|
bcc no_g_core ; KY<GY+6 AND
|
|
|
|
lda GY
|
|
sec
|
|
sbc #6
|
|
cmp KY
|
|
bcs no_g_core ; KY>GY-6 THEN SCALE=1:KX=BX:KY=BY+6
|
|
|
|
lda BXH
|
|
sta KXH
|
|
|
|
lda BXL
|
|
sta KXL
|
|
lda BY
|
|
clc
|
|
adc #6
|
|
sta KY
|
|
|
|
no_g_core:
|
|
|
|
; Portal/Fireball
|
|
portal_fb:
|
|
lda JO
|
|
beq done_portal_fireball ; IF L=1 OR JO=0 GOTO 210
|
|
|
|
; Check blue
|
|
|
|
lda BXL
|
|
sec
|
|
sbc #12
|
|
cmp JX
|
|
bcs no_b_fb ; IF JX>BX-12 AND
|
|
|
|
lda BXL
|
|
clc
|
|
adc #12
|
|
cmp JX
|
|
bcc no_b_fb ; JX<BX+12 AND
|
|
|
|
lda BY
|
|
clc
|
|
adc #6
|
|
cmp JY
|
|
bcc no_b_fb ; JY<BY+6 AND
|
|
|
|
lda BY
|
|
sec
|
|
sbc #6
|
|
cmp JY
|
|
bcs no_b_fb ; JY>BY-6 THEN
|
|
|
|
jsr draw_j ; SCALE=2:XDRAW 6 AT JX,JY
|
|
|
|
lda GXL
|
|
sta JX ; JX=GX
|
|
|
|
lda GY
|
|
sec
|
|
sbc #6
|
|
sta JY ; JY=GY-6
|
|
|
|
lda JA
|
|
eor #$FF
|
|
clc
|
|
adc #$1
|
|
sta JA ; JA=-JA
|
|
|
|
jsr draw_j ; XDRAW 6 AT JX,JY
|
|
|
|
no_b_fb:
|
|
|
|
; 207 IF JX>BX-12 AND JX<BX+12 AND JY<BY+6 AND JY>BY-6 THEN SCALE=2:XDRAW 6 AT JX,JY:JX=GX:JY=GY-6:JA=-JA:XDRAW 6 AT JX,JY
|
|
|
|
no_o_fb:
|
|
|
|
|
|
; 208 IF JX>GX-12 AND JX<GX+12 AND JY<GY+6 AND JY>GY-6 THEN SCALE=2:XDRAW 6 AT JX,JY:JX=BX:JY=BY-6:JA=-JA:XDRAW 6 AT JX,JY
|
|
done_portal_fireball:
|
|
|
|
;=====================================
|
|
; Wall Collision Detection
|
|
;=====================================
|
|
|
|
; Dropping Blob
|
|
|
|
lda JO
|
|
beq collide_object
|
|
bmi collide_object ; IF JO<=0 GOTO 229
|
|
|
|
;225 IF JX>CX-5 AND JX<CX+5 AND JY>CY-7 AND JY<CY+7 THEN GOTO 800
|
|
|
|
lda JY
|
|
cmp #120
|
|
bcc jo_off
|
|
|
|
jsr draw_j ; IF JY>120 THEN SCALE=2:XDRAW 6 AT JX,JY:JO=0
|
|
|
|
lda #0
|
|
sta JO
|
|
jo_off:
|
|
|
|
lda JA
|
|
bpl jo_not_up
|
|
lda JY
|
|
cmp #5
|
|
bcs jo_not_up ; IF JA<0 AND JY<5 THEN SCALE=2:XDRAW 6 AT JX,JY:JO=0
|
|
|
|
jsr draw_j
|
|
|
|
lda #0
|
|
sta JO
|
|
jo_not_up:
|
|
|
|
; check if hitting glados
|
|
|
|
; IF JX>110 AND JX<130 AND JY>60 AND JY<85 THEN GOSUB 3000
|
|
|
|
lda JX
|
|
cmp #110
|
|
bcc jo_no_hit
|
|
cmp #130
|
|
bcs jo_no_hit
|
|
lda JY
|
|
cmp #60
|
|
bcc jo_no_hit
|
|
cmp #85
|
|
bcs jo_no_hit
|
|
|
|
jsr hit_glados
|
|
|
|
jo_no_hit:
|
|
|
|
|
|
|
|
|
|
collide_object:
|
|
; Object and floor
|
|
lda KO
|
|
beq done_collide
|
|
|
|
lda KY
|
|
cmp #115
|
|
bcc check_incinerator
|
|
; IF KY>115 THEN KY=115:KV=0
|
|
lda #115
|
|
sta KY
|
|
lda #0
|
|
sta KV
|
|
|
|
check_incinerator:
|
|
; Object in Incinerator
|
|
|
|
lda KY
|
|
cmp #100
|
|
bcc done_collide
|
|
|
|
lda KXH
|
|
bne incinerated
|
|
lda KXL
|
|
cmp #240
|
|
bcc done_collide
|
|
incinerated:
|
|
jmp explosion ; IF KX>240 AND KY>100 THEN GOSUB 4000
|
|
|
|
|
|
done_collide:
|
|
|
|
|
|
|
|
|
|
;===============================
|
|
; Draw Objects
|
|
;===============================
|
|
|
|
; Core
|
|
|
|
lda UXH
|
|
cmp KXH
|
|
bne blah
|
|
|
|
lda UXL
|
|
cmp KXL
|
|
bne blah
|
|
|
|
lda UY
|
|
cmp KY
|
|
beq done_draw_objects ; IF UX=KX AND UY=KY GOTO 300
|
|
|
|
blah:
|
|
jsr erase_core ; SCALE=1:XDRAW 7 AT UX,UY:XDRAW 7 AT KX,KY
|
|
|
|
done_draw_objects:
|
|
|
|
lda #228
|
|
jsr WAIT
|
|
|
|
jmp game_loop
|
|
|
|
|
|
|
|
;======================================
|
|
; Draw J
|
|
;======================================
|
|
draw_j:
|
|
lda #2
|
|
sta HGR_SCALE ; SCALE=2
|
|
|
|
; XDRAW 6 AT JX,JY
|
|
|
|
lda #<fireball
|
|
sta HGR_SHAPE
|
|
lda #>fireball
|
|
sta HGR_SHAPE+1
|
|
|
|
; HFNS puts X-coord in Y,X, Y-coord in A
|
|
; HPOSN sets up GBASL/GBASH
|
|
|
|
ldy #0
|
|
lda JY
|
|
ldx JX
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1 ; (tail call?)
|
|
|
|
rts
|
|
|
|
|
|
;======================
|
|
; Draw Blue Core
|
|
;======================
|
|
erase_core:
|
|
lda #<blue_core
|
|
sta HGR_SHAPE
|
|
lda #>blue_core
|
|
sta HGR_SHAPE+1
|
|
|
|
; HFNS puts X-coord in Y,X, Y-coord in A
|
|
; HPOSN sets up GBASL/GBASH
|
|
|
|
lda #1
|
|
sta HGR_SCALE
|
|
|
|
; 2005 SCALE=1:KX=150:KY=65:XDRAW 7 AT KX,KY:KO=0
|
|
|
|
ldy UXH
|
|
ldx UXL
|
|
lda UY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1
|
|
|
|
draw_core:
|
|
lda #<blue_core
|
|
sta HGR_SHAPE
|
|
lda #>blue_core
|
|
sta HGR_SHAPE+1
|
|
|
|
; HFNS puts X-coord in Y,X, Y-coord in A
|
|
; HPOSN sets up GBASL/GBASH
|
|
|
|
lda #1
|
|
sta HGR_SCALE
|
|
|
|
; 2005 SCALE=1:KX=150:KY=65:XDRAW 7 AT KX,KY:KO=0
|
|
|
|
ldy KXH
|
|
ldx KXL
|
|
lda KY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1
|
|
|
|
|
|
rts
|
|
|
|
;==============================
|
|
; Draw Blue Portal
|
|
;==============================
|
|
draw_blue:
|
|
; 6002 POKE 768,143:POKE 769,40:CALL 770
|
|
lda #143
|
|
sta SOUND1
|
|
lda #40
|
|
sta SOUND2
|
|
jsr sound
|
|
|
|
draw_blue_no_sound:
|
|
|
|
; Erase old
|
|
; lda PR ; 0 = vertical
|
|
; bne blue_horizontal
|
|
|
|
; lda #2
|
|
; sta HGR_SCALE
|
|
|
|
; lda #<portal_vert
|
|
; sta HGR_SHAPE
|
|
; lda #>portal_vert
|
|
; sta HGR_SHAPE+1
|
|
|
|
; jmp blue_portal_erase
|
|
|
|
blue_horizontal:
|
|
lda #1
|
|
sta HGR_SCALE
|
|
|
|
lda #<portal_horiz
|
|
sta HGR_SHAPE
|
|
lda #>portal_horiz
|
|
sta HGR_SHAPE+1
|
|
|
|
blue_portal_erase:
|
|
|
|
lda BO
|
|
beq blue_portal_draw
|
|
|
|
; 6004 SCALE=2: IF PR=1 THEN SCALE=1
|
|
; 6005 IF BO=1 THEN XDRAW 2+PR AT BX,BY
|
|
; 6010 BX=SX:BY=SY
|
|
; 6020 BO=1:XDRAW 2+PR AT BX,BY
|
|
|
|
ldy BXH
|
|
ldx BXL
|
|
lda BY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1
|
|
|
|
blue_portal_draw:
|
|
|
|
lda SXH
|
|
sta BXH
|
|
lda SXL
|
|
sta BXL
|
|
lda SY
|
|
sta BY
|
|
|
|
lda #<portal_horiz
|
|
sta HGR_SHAPE
|
|
lda #>portal_horiz
|
|
sta HGR_SHAPE+1
|
|
|
|
lda #1
|
|
sta BO
|
|
|
|
ldy BXH
|
|
ldx BXL
|
|
lda BY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jmp XDRAW1
|
|
|
|
; IF BO=1 AND GO=1 AND L=1 THEN GOTO 7000
|
|
|
|
; rts
|
|
|
|
;=============================
|
|
; Draw Orange Portal
|
|
;=============================
|
|
draw_orange:
|
|
; POKE 768,72:POKE 769,40:CALL 770
|
|
lda #72
|
|
sta SOUND1
|
|
lda #40
|
|
sta SOUND2
|
|
jsr sound
|
|
|
|
draw_orange_no_sound:
|
|
|
|
; Erase old
|
|
; lda PR ; 0 = vertical
|
|
; bne orange_horizontal
|
|
|
|
; lda #2
|
|
; sta HGR_SCALE
|
|
|
|
; lda #<portal_vert
|
|
; sta HGR_SHAPE
|
|
; lda #>portal_vert
|
|
; sta HGR_SHAPE+1
|
|
|
|
; jmp orange_portal_erase
|
|
|
|
orange_horizontal:
|
|
lda #1
|
|
sta HGR_SCALE
|
|
|
|
lda #<portal_horiz
|
|
sta HGR_SHAPE
|
|
lda #>portal_horiz
|
|
sta HGR_SHAPE+1
|
|
|
|
orange_portal_erase:
|
|
|
|
lda GO
|
|
beq orange_portal_draw
|
|
|
|
;6104 SCALE=2: IF PR=1 THEN SCALE=1
|
|
;6105 IF GO=1 THEN XDRAW 2+PR AT GX,GY
|
|
;6110 GX=SX+1:GY=SY
|
|
;6120 GO=1:XDRAW 2+PR AT GX,GY
|
|
|
|
ldy GXH
|
|
ldx GXL
|
|
lda GY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jsr XDRAW1
|
|
|
|
orange_portal_draw:
|
|
|
|
lda SXH
|
|
sta GXH
|
|
ldx SXL
|
|
inx
|
|
stx GXL ; FIXME: overflow
|
|
lda SY
|
|
sta GY
|
|
|
|
lda #<portal_horiz
|
|
sta HGR_SHAPE
|
|
lda #>portal_horiz
|
|
sta HGR_SHAPE+1
|
|
|
|
lda #1
|
|
sta GO
|
|
|
|
ldy GXH
|
|
ldx GXL
|
|
lda GY
|
|
|
|
jsr HPOSN
|
|
|
|
lda #0 ; rotation
|
|
|
|
jmp XDRAW1
|
|
|
|
|
|
; IF BO=1 AND GO=1 AND L=1 THEN GOTO 7000
|
|
|
|
; rts
|
|
|
|
;=====================================
|
|
; Draw Explosion
|
|
;=====================================
|
|
explosion:
|
|
|
|
; HCOLOR=5
|
|
ldx #5
|
|
lda COLORTBL,X ; get color pattern from table
|
|
sta HGR_COLOR
|
|
|
|
;4010 FOR X=0 TO 278 STEP 5:HPLOT X,0 TO 120,85:V=PEEK(-16336):NEXT X
|
|
lda #0
|
|
sta X1
|
|
sta X2
|
|
loop1:
|
|
|
|
bit $C030
|
|
|
|
; HPLOT X,0 to 120,85
|
|
; X= (y,x), Y=a
|
|
ldy X2
|
|
ldx X1
|
|
lda #0
|
|
|
|
jsr HPLOT0
|
|
|
|
; X=(x,a), y=Y
|
|
lda #120
|
|
ldx #0
|
|
ldy #85
|
|
jsr HGLIN
|
|
|
|
clc
|
|
lda X1
|
|
adc #5
|
|
sta X1
|
|
lda X2
|
|
adc #0
|
|
sta X2
|
|
|
|
cmp #1
|
|
bne loop1
|
|
lda X1
|
|
cmp #22
|
|
bcc loop1
|
|
|
|
;4015 FOR Y=0 TO 159 STEP 5:HPLOT 278,Y TO 120,85:V=PEEK(-16336):NEXT Y
|
|
|
|
lda #0
|
|
sta Y1
|
|
loop2:
|
|
|
|
bit $C030
|
|
|
|
; HPLOT 278,Y to 120,85
|
|
; X= (y,x), Y=a
|
|
ldy #1
|
|
ldx #22
|
|
lda Y1
|
|
|
|
jsr HPLOT0
|
|
|
|
; X=(x,a), y=Y
|
|
lda #120
|
|
ldx #0
|
|
ldy #85
|
|
jsr HGLIN
|
|
|
|
clc
|
|
lda Y1
|
|
adc #5
|
|
sta Y1
|
|
|
|
cmp #159
|
|
bcc loop2
|
|
|
|
;4020 FOR X=278 TO 0 STEP -5:HPLOT X,159 TO 120,85:V=PEEK(-16336):NEXT X
|
|
lda #22
|
|
sta X1
|
|
lda #1
|
|
sta X2
|
|
loop3:
|
|
|
|
bit $C030
|
|
|
|
; HPLOT X,159 to 120,85
|
|
; X= (y,x), Y=a
|
|
ldy X2
|
|
ldx X1
|
|
lda #159
|
|
|
|
jsr HPLOT0
|
|
|
|
; X=(x,a), y=Y
|
|
lda #120
|
|
ldx #0
|
|
ldy #85
|
|
jsr HGLIN
|
|
|
|
sec
|
|
lda X1
|
|
sbc #5
|
|
sta X1
|
|
lda X2
|
|
sbc #0
|
|
sta X2
|
|
|
|
cmp #0
|
|
bne loop3
|
|
lda X1
|
|
cmp #5
|
|
bcs loop3
|
|
|
|
;4025 FOR Y=159 TO 0 STEP -5:HPLOT 0,Y TO 120,85:V=PEEK(-16336):NEXT Y
|
|
|
|
lda #159
|
|
sta Y1
|
|
loop4:
|
|
|
|
bit $C030
|
|
|
|
; HPLOT 0,Y to 120,85
|
|
; X= (y,x), Y=a
|
|
ldy #0
|
|
ldx #0
|
|
lda Y1
|
|
|
|
jsr HPLOT0
|
|
|
|
; X=(x,a), y=Y
|
|
lda #120
|
|
ldx #0
|
|
ldy #85
|
|
jsr HGLIN
|
|
|
|
sec
|
|
lda Y1
|
|
sbc #5
|
|
sta Y1
|
|
|
|
cmp #$ff
|
|
bne loop4
|
|
|
|
rts
|
|
|
|
;===============================
|
|
; hit glados
|
|
;===============================
|
|
hit_glados:
|
|
; 3000 HTAB 3:VTAB 21:PRINT " Nice job breaking it, hero. "
|
|
|
|
ldy #10
|
|
boom_loop:
|
|
sty TEMPY
|
|
|
|
lda #110
|
|
sta JX
|
|
lda #60
|
|
sta JY
|
|
jsr draw_j ; XDRAW 7 AT 110,60
|
|
bit $C030 ; V=PEEK(-16336)
|
|
lda #130
|
|
sta JX
|
|
jsr draw_j ; XDRAW 7 AT 130,60
|
|
lda #85
|
|
sta JY
|
|
jsr draw_j ; XDRAW 7 AT 130,85
|
|
bit $C030 ; V=PEEK(-16336)
|
|
lda #110
|
|
sta JX
|
|
jsr draw_j ; XDRAW 7 AT 110,85
|
|
lda #120
|
|
sta JX
|
|
jsr draw_j ; XDRAW 7 AT 120,85
|
|
bit $C030 ; V=PEEK(-16336)
|
|
|
|
ldy TEMPY
|
|
dey
|
|
bne boom_loop
|
|
|
|
lda #$ff
|
|
sta JO ; JO=-1
|
|
|
|
|
|
; Release the orb
|
|
lda #1
|
|
sta KO ; KO=1
|
|
|
|
; start time counting
|
|
lda #1
|
|
sta TIME
|
|
|
|
rts
|
|
|
|
|
|
|
|
; Script
|
|
; shape, x, y
|
|
; plasma drop
|
|
; plasma drop
|
|
; plasma drop
|
|
; hit!
|
|
; ball fall
|
|
; ball fall
|
|
; ball fall
|
|
; move portal blue
|
|
; move portal orange
|
|
; ball fall
|
|
; ball fall
|
|
; ball fall
|
|
; ending
|
|
|
|
|
|
;=============================
|
|
; sound
|
|
;=============================
|
|
; Violin sound, based on: https://gist.github.com/thelbane/9291cc81ed0d8e0266c8
|
|
sound:
|
|
; 300
|
|
; 301
|
|
ldy SOUND2 ; 302
|
|
sound_l5:
|
|
lda SOUND1 ; 305
|
|
sta $FA
|
|
sound_l4:
|
|
ldx SOUND1
|
|
sound_l2:
|
|
cpx $FA
|
|
bne sound_l1
|
|
lda $C030
|
|
sound_l1:
|
|
dex
|
|
bne sound_l2
|
|
lda $C030
|
|
dey
|
|
beq sound_l3
|
|
dec $FA
|
|
bne sound_l4
|
|
jmp sound_l5
|
|
sound_l3:
|
|
rts
|
|
|
|
|
|
; 6 FOR L=770 TO 804:READ V:POKE L,V:NEXT L
|
|
|
|
|
|
|
|
|
|
; Shape Table
|
|
.include "objects_shape.inc"
|
|
|
|
.align $400
|
|
|
|
; Graphics Background
|
|
.incbin "GLADOS.HGR",4
|