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Gigantic Games 2
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Gigantic Games 2.iso
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_a_
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atoms
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atoms.asm
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Assembly Source File
|
1994-12-23
|
29KB
|
1,837 lines
; Watch out! It's The ATOMS game on the Amiga!!!! Done by Tom. Excellent.
openlibrary = -552
allocmem = -198
freemem = -210
logosize = 40*44*3
memsize = 40*200*4+logosize
bplcon0 = $100
bplcon1 = $102
bplcon2 = $104
bpl1mod = $108
bpl2mod = $10a
ddfstrt = $92
ddfstop = $94
diwstrt = $8e
diwstop = $90
bpl1pth = $e0
bpl1ptl = $e2
bpl2pth = $e4
bpl2ptl = $e6
bpl3pth = $e8
bpl3ptl = $ea
bpl4pth = $ec
bpl4ptl = $ee
col00 = $180
col01 = $182
col02 = $184
col03 = $186
col04 = $188
col05 = $18a
col06 = $18c
col07 = $18e
col08 = $190
col09 = $192
col10 = $194
col11 = $196
col12 = $198
col13 = $19a
col14 = $19c
col15 = $19e
col16 = $1a0
col17 = $1a2
col18 = $1a4
col19 = $1a6
spr0pth = $120
spr0ptl = $122
spr1pth = $124
spr1ptl = $126
spr2pth = $128
spr2ptl = $12a
spr3pth = $12c
spr3ptl = $12e
spr4pth = $130
spr4ptl = $132
spr5pth = $134
spr5ptl = $136
spr6pth = $138
spr6ptl = $13a
spr7pth = $13c
spr7ptl = $13e
section Atoms+++++++++,CODE_C
start:
lea $dff000,a5
bsr killsystem
bsr waitblit
bsr allocate
tst.l d0
beq.s error
bsr initvars2
bsr newcopper
playagain:
jsr mt_init
bsr initvariables
bsr askplayers
bsr initcolours
st musicflag
bsr startscreen
bsr mainloop
tst.b d4
beq.s playagain
bsr waitblit
bsr oldcopper
bsr free
jsr mt_end
error:
bsr freesystem
clr.l d0
rts
waitblit:
btst #14,2(a5)
bne.s waitblit
rts
blankplane:
btst #14,2(a5)
bne.s blankplane
move.l planeaddr,$54(a5)
clr.w $42(a5)
clr.w $66(a5)
move.l #-1,$44(a5)
move.w #%100000000,$40(a5)
move.w #200*64+20,$58(a5)
rts
blankplane2:
btst #14,2(a5)
bne.s blankplane2
move.l planeaddr,$54(a5)
clr.w $42(a5)
clr.w $66(a5)
move.l #-1,$44(a5)
move.w #%100000000,$40(a5)
move.w #800*64+20,$58(a5)
rts
askplayers:
bsr blankplane2
bsr waitblit
lea text1,a0
move.w #40*20,d0
bsr textoutput
lea text2,a0
move.w #40*50+16,d0
bsr textoutput
wb:
btst #6,$bfe001
bne.s wb
move.w mousex,d0
move.w mousey,d1
cmp.w #45,d1
blt.s wb
cmp.w #60,d1
bgt.s wb
cmp.w #118,d0
blt.s wb
moveq #2,d4
cmp.w #145,d0
blt.s hit
moveq #3,d4
cmp.w #178,d0
blt.s hit
moveq #4,d4
cmp.w #208,d0
bgt.s wb
hit:
subq #1,d4
move.w d4,players
move.w d4,playerno
rts
textoutput:
lea font,a2
move.l planeaddr,a1
add.w d0,a1
nextchar:
clr.w d0
move.b (a0)+,d0
blt.s endtext
sub.b #'a',d0
blt.s space
add.w d0,d0
moveq #15,d7
move.l a1,a3
textloop:
move.w 0(a2,d0.w),(a3)
add.w #480/8,d0
lea 40(a3),a3
dbf d7,textloop
space:
lea 2(a1),a1
bra.s nextchar
endtext:
rts
startscreen:
cmp.w #1,framecount
blt.s startscreen
clr.w framecount
move.w #1590,d0
sub.w distance,d0
move.w d0,rot
bsr rotateaxis
bsr blankplane
bsr drawgrid
add.w #20,distance
cmp.w #1610,distance
ble.s startscreen
bsr initscreen
rts
rotateaxis:
move.w rot,d0
add.w d0,d0
lea sinewave,a0
lea 1800(a0),a1
move.w 0(a1,d0.w),d1
move.w 0(a0,d0.w),d0
move.w d0,sin1+2
move.w d0,sin2+2
move.w d1,cos1+2
move.w d1,cos2+2
rts
rotate:
movem.w d0-1,-(sp)
move.w d2,d0
move.w d3,d1
sin1 muls #0,d2
cos1 muls #0,d3
add.l d2,d3
asr.l #7,d3
sin2 muls #0,d1
cos2 muls #0,d0
sub.l d1,d0
asr.l #7,d0
move.w d0,d2
movem.w (sp)+,d0-1
rts
drawgrid:
lea coords,a0
move.w (a0)+,d7
nextline:
move.w (a0)+,d2
move.w (a0)+,d3
bsr rotate
move.w distance,d4
move.w d2,d0
move.w d3,d1
ext.l d0
ext.l d1
asl.l #8,d0
asl.l #8,d1
divs d4,d0
divs d4,d1
add.w #160,d0
add.w #96,d1
move.w (a0)+,d2
move.w (a0)+,d3
bsr rotate
move.w distance,d4
ext.l d2
ext.l d3
asl.l #8,d2
asl.l #8,d3
divs d4,d2
divs d4,d3
add.w #160,d2
add.w #96,d3
bsr drawline
dbf d7,nextline
rts
initvars2:
clr.w musicflag
clr.w colours+6
st fadeflag
clr.w slider
clr.w framecount
move.w #-16,slider2
clr.w mousex
clr.w mousey
clr.w oldmousex
clr.w oldmousey
rts
initvariables:
clr.w xrot
move.w #650,yrot
clr.w rot
clr.w explosion
move.w #-1,winner
move.w #20,distance
clr.w quitflag
clr.w player
lea playersin,a0
move.l #$01010101,(a0)
lea startdata,a0
lea enddata,a1
loop10:
clr.b (a0)+
cmp.l a0,a1
bne.s loop10
lea blocklookup,a0
lea tiles+32,a1
move.w #255,d7
clr.l d2
loop13:
move.l d2,d3
divu #19,d3
move.l d3,d4
swap d4
add.w d4,d4
mulu #38*16,d3
add.w d4,d3
lea 0(a1,d3.w),a2
move.l a2,(a0)+
add.w #1,d2
dbf d7,loop13
rts
drawline:
movem.l d0-7/a0-6,-(sp)
bsr clipping
tst.w d5
bne noline
moveq #40,d4
muls d1,d4
moveq #-$10,d5
and.w d0,d5
asr.w #3,d5
add.w d5,d4
add.l planeaddr,d4
clr.l d5
sub.w d1,d3
roxl.b #1,d5
tst.w d3
bge.s y2gy1
neg.w d3
y2gy1:
sub.w d0,d2
roxl.b #1,d5
tst.w d2
bge.s x2gx1
neg.w d2
x2gx1:
move.w d3,d1
sub.w d2,d1
bge.s dygdx
exg d2,d3
dygdx:
roxl.b #1,d5
tst.w d3
beq noline
wblit:
btst #14,2(a5)
bne.s wblit
move.b octant_table(pc,d5.w),d5
add.w d2,d2
move.w d2,$62(a5)
sub.w d3,d2
bgt.s signn1
or.b #$40,d5
signn1:
move.w d2,$52(a5)
sub.w d3,d2
move.w d2,$64(a5)
move.w #$8000,$74(a5)
move.w #$ffff,$72(a5)
move.w #$ffff,$44(a5)
and.w #$f,d0
ror.w #4,d0
or.w #$bca,d0
move.w d0,$40(a5)
move.w d5,$42(a5)
move.l d4,$54(a5)
move.l d4,$48(a5)
move.w #40,$66(a5)
move.w #40,$60(a5)
lsl.w #6,d3
addq #2,d3
move.w d3,$58(a5)
noline:
movem.l (sp)+,d0-7/a0-6
rts
octant_table dc.b 1,17,9,21,5,25,13,29
initscreen:
lea blocksequ,a0
move.w #59,d7
nextblock6:
cmp.w #1,framecount
blt.s nextblock6
clr.w framecount
move.w (a0)+,d0
ext.l d0
divu #10,d0
move.l d0,d1
swap d0
move.w #19*12,d2
bsr drawblock
dbf d7,nextblock6
lea playersin,a0
move.w #19*12+2,d2
clr.w d0
moveq #6,d1
move.w players,d7
playerloop:
bsr drawblock
addq #1,d0
addq #1,d2
dbf d7,playerloop
rts
mainloop:
cmp.w #1,framecount
blt.s mainloop
clr.w framecount
bsr morphhandle
bsr leftclick
bsr playerhandler
btst #10,$16(a5)
beq nowinn
add.w #1,toggler
and.w #1,toggler
tst.w quitflag
beq.s mainloop
sf musicflag
jsr mt_end
lea text3,a0
move.w #40*8+12,d0
bsr textoutput
lea text4,a0
move.w #40*26+6,d0
bsr textoutput
wb2:
btst #6,$bfe001
bne.s wb2
cmp.w #25,mousey
blt.s wb2
cmp.w #40,mousey
bgt.s wb2
cmp.w #230,mousex
blt.s wb2
clr.w d4
cmp.w #260,mousex
blt.s exit
st d4
cmp.w #290,mousex
bgt.s wb2
exit:
rts
nowinn:
st d4
rts
playerhandler:
move.w player,d0
lea collook,a0
add.w d0,d0
move.w 0(a0,d0.w),pointercol
rts
morphhandle:
lea sequences,a1
lea datatable,a2
lea inusetable,a4
lea morphtable,a0
tst.w (a0)
beq.s nomorphs
move.w 2(a0),d0
move.w 4(a0),d1
move.w d0,d4
move.w d1,d5
mulu #10,d5
add.w d5,d4
clr.l d5
move.b 0(a2,d4.w),d5
add.w d5,d5
add.w d5,d5
move.l 0(a1,d5.w),a3
add.w 6(a0),a3
add.w #2,6(a0)
move.w (a3),d2
blt.s endmorph
move.w 8(a0),d3
mulu #19*3,d3
add.w d3,d2
bsr drawblock
nomorphs:
rts
endmorph:
add.b #1,0(a2,d4.w)
clr.w (a0)
clr.b 0(a4,d4.w)
bsr checkreactions
bsr rubexplosion
lea playersin,a0
playerout:
add.w #1,player
move.w players,d6
cmp.w player,d6
bge.s firstplayer
clr.w player
firstplayer:
move.w player,d0
tst.b 0(a0,d0.w)
beq.s playerout
rts
noreact:
rts
checkreactions:
tst.w quitflag
bne.s noreact
movem.l d0-7/a0-6,-(sp)
move.w d0,d2
move.w d1,d3
mulu #10,d3
add.w d2,d3
move.w d3,d4
move.w d0,d2
move.w d1,d3
ext.l d2
ext.l d3
divu #10,d2
divu #6,d3
swap d2
swap d3
tst.w d2
beq.s edge1
cmp.w #9,d2
beq.s edge1
tst.w d3
beq.s edge2
cmp.w #5,d3
beq.s edge2
centre:
move.w #4,d3
bra.s checkexplode
edge1:
tst.w d3
beq.s corner
cmp.w #5,d3
beq.s corner
bra.s edge3
edge2:
tst.w d2
beq.s corner
cmp.w #9,d2
beq.s corner
edge3:
move.w #3,d3
bra.s checkexplode
corner:
move.w #2,d3
checkexplode:
lea datatable,a2
cmp.b 0(a2,d4.w),d3
ble.s explode
movem.l (sp)+,d0-7/a0-6
rts
explode:
bsr rubexplosion
lea ownertable,a3
lea inusetable,a4
clr.b 0(a2,d4.w)
clr.b 0(a4,d4.w)
clr.b 0(a3,d4.w)
move.w #19*12+1,d2
move.w #1,explosion
move.w d0,explosion+2
move.w d1,explosion+4
bsr drawblock
waitframe:
cmp.w #5,framecount
blt.s waitframe
clr.w framecount
move.w d1,-(sp)
addq #1,d1
bsr spread
subq #2,d1
bsr spread
move.w (sp)+,d1
addq #1,d0
bsr spread
subq #2,d0
bsr spread
bsr checkforwinner
movem.l (sp)+,d0-7/a0-6
rts
rubexplosion:
tst.w explosion
beq.s oldexplosion
movem.w d0-2,-(sp)
move.w explosion+2,d0
move.w explosion+4,d1
move.w #19*12,d2
clr.w explosion
bsr drawblock
movem.w (sp)+,d0-2
oldexplosion:
rts
checkforwinner:
movem.l d3-4/d7/a0,-(sp)
lea flags,a1
clr.l (a1)
lea ownertable,a0
move.w #10*6-1,d7
loop19:
clr.w d4
move.b (a0)+,d4
subq #1,d4
blt.s emptysquare2
add.b #1,0(a1,d4.w)
emptysquare2:
dbf d7,loop19
lea playersin,a0
move.w players,d7
clr.w d2
loop21:
tst.b (a0)
beq.s stillthere
tst.b (a1)
bne.s stillthere
movem.w d0-2,-(sp)
move.w d2,d0
add.w #19*12+6,d2
moveq #6,d1
bsr drawblock
movem.w (sp)+,d0-2
clr.b (a0)
sub.w #1,playerno
bne.s stillthere
st quitflag
lea playersin,a0
clr.w d2
testnext:
move.w d2,winner
tst.b (a0)+
bne.s gameover
addq #1,d2
bra.s testnext
stillthere:
add.l #1,a0
add.l #1,a1
addq #1,d2
dbf d7,loop21
gameover:
movem.l (sp)+,d3-4/d7/a0
rts
spread:
movem.w d0-7/a0-2,-(sp)
tst.w d0
blt.s nospread
tst.w d1
blt.s nospread
cmp.w #5,d1
bgt.s nospread
cmp.w #9,d0
bgt.s nospread
move.w d0,d2
move.w d1,d3
mulu #10,d3
add.w d2,d3
lea ownertable,a0
lea datatable,a1
lea sequ,a2
move.w player,d4
move.w d4,d5
addq #1,d4
move.b d4,0(a0,d3.w)
add.b #1,0(a1,d3.w)
clr.w d2
move.b 0(a1,d3.w),d2
add.w d2,d2
move.w 0(a2,d2.w),d2
mulu #19*3,d5
add.w d5,d2
bsr drawblock
bsr checkreactions
nospread:
movem.w (sp)+,d0-7/a0-2
rts
drawblock:
movem.l d0-7/a0-6,-(sp)
mulu #40*16,d1
add.w d0,d0
add.w d0,d1
move.l planeaddr,a0
add.w d1,a0
add.l #10+48*40,a0
lea blocklookup,a1
add.w d2,d2
add.w d2,d2
move.l 0(a1,d2.w),a1
move.w #15,d7
loop12:
move.w (a1),(a0)
move.w 208*38(a1),200*40(a0)
move.w 2*208*38(a1),2*200*40(a0)
move.w 3*208*38(a1),3*200*40(a0)
lea 38(a1),a1
lea 40(a0),a0
dbf d7,loop12
movem.l (sp)+,d0-7/a0-6
rts
leftclick:
btst #6,$bfe001
beq.s buttondown
clr.w buttonflag
rts
buttondown:
tst.w buttonflag
bne.s nohit
st buttonflag
move.w mousex,d0
move.w mousey,d1
lsr.w #4,d0
lsr.w #4,d1
sub.w #5,d0
blt.s nohit
sub.w #3,d1
blt.s nohit
cmp.w #10,d0
bge.s nohit
cmp.w #6,d1
bge.s nohit
bsr startmorph
nohit:
rts
startmorph:
move.w d0,d4
move.w d1,d5
mulu #10,d5
add.w d5,d4
lea inusetable,a1
lea datatable,a2
lea ownertable,a3
move.w player,d3
addq.w #1,d3
move.b 0(a3,d4.w),d2
beq.s emptysquare
cmp.b d3,d2
bne.s inusemate
emptysquare:
cmp.b #4,0(a2,d4.w)
beq.s inusemate
tst.b 0(a1,d4.w)
bne.s inusemate
lea morphtable,a0
tst.w (a0)
beq.s foundspace
rts
foundspace:
move.b #1,0(a1,d4.w)
move.w #1,(a0)
move.w d0,2(a0)
move.w d1,4(a0)
clr.w 6(a0)
move.w player,8(a0)
move.b d3,0(a3,d4.w)
inusemate:
rts
allocate:
move.l #$10002,d1
move.l #memsize,d0
move.l 4,a6
jsr allocmem(a6)
move.l d0,planeaddr
move.l d0,d1
add.l #40*200*4,d1
move.l d1,logoaddr
rts
free:
move.l planeaddr,a1
move.l #memsize,d0
move.l 4,a6
jsr freemem(a6)
rts
newcopper:
bsr initplanes
bsr initcolours2
bsr initsprites
move.l #copperlist,$80(a5)
clr.w $88(a5)
move.w #$83e0,$96(a5)
move.w #$c010,$9a(a5)
rts
initsprites:
lea sprites,a0
move.l #mousepointer,d0
move.w d0,2(a0)
swap d0
move.w d0,6(a0)
lea 8(a0),a0
move.l #blanksprite,d0
move.w #6,d7
loop7:
move.w d0,2(a0)
swap d0
move.w d0,6(a0)
swap d0
lea 8(a0),a0
dbf d7,loop7
rts
initcolours:
lea colours,a0
lea tiles,a1
moveq #15,d7
loop2:
move.w (a1)+,2(a0)
lea 4(a0),a0
dbf d7,loop2
rts
initcolours2:
lea colours2,a0
moveq #7,d7
loop91:
clr.w 2(a0)
lea 4(a0),a0
dbf d7,loop91
rts
initplanes:
lea planes,a0
move.l planeaddr,d0
moveq #3,d7
loop1:
move.w d0,2(a0)
swap d0
move.w d0,6(a0)
swap d0
add.l #40*200,d0
lea 8(a0),a0
dbf d7,loop1
lea planes2,a0
move.l logoaddr,d0
moveq #2,d7
loop90:
move.w d0,2(a0)
swap d0
move.w d0,6(a0)
swap d0
add.l #44*40,d0
lea 8(a0),a0
dbf d7,loop90
rts
oldcopper:
clr.l d0
lea grname,a1
move.l 4,a6
jsr openlibrary(a6)
move.l d0,a1
move.l 38(a1),$80(a5)
clr.w $88(a5)
rts
killsystem:
move.w 2(a5),d0
or.w #$8000,d0
move.w d0,dmasave+2
move.w $1c(a5),d0
or.w #$c000,d0
move.w d0,intsave+2
move.l $6c,vecsave+2
move.w #$7fff,d0
move.w d0,$96(a5)
move.w d0,$9a(a5)
move.l #inter,$6c
rts
freesystem:
vecsave move.l #0,$6c
dmasave move.w #0,$96(a5)
intsave move.w #0,$9a(a5)
rts
inter:
movem.l d0-7/a0-6,-(sp)
lea $dff000,a5
add.w #1,framecount
bsr readmouse
bsr drawlogo
bsr fades
move.w slider,colours+6
cmp.w #$fff,slider
beq.s white
add.w #$111,slider
white:
tst.w musicflag
beq.s nomusic
jsr mt_music
nomusic:
lea $dff000,a5
move.w #$10,$9c(a5)
movem.l (sp)+,d0-7/a0-6
rte
drawlogo:
btst #14,2(a5)
bne.s drawlogo
move.l logoaddr,d0
add.l #10,d0
move.l d0,$54(a5)
clr.w $42(a5)
move.w #%100000000,$40(a5)
move.l #-1,$44(a5)
move.w #40-20,$66(a5)
move.w #44*3*64+10,$58(a5)
lea sinewave,a0
lea 1800(a0),a1
move.w xrot,d0
move.w yrot,d2
add.w d0,d0
add.w d2,d2
move.w 0(a1,d0.w),d1
move.w 0(a0,d0.w),d0
move.w 0(a1,d2.w),d3
move.w 0(a1,d2.w),d2
move.l d2,-(sp)
add.w #128,d2
muls d0,d2
blt.s behind
move.l (sp)+,d2
bsr blitlogo
asr.w #3,d0
asr.w #3,d1
asr.w #3,d2
muls d2,d0
asr.w #4,d0
add.w #154,d0
add.w #16,d1
bsr bob
bra.s infront
behind:
move.l (sp)+,d2
asr.w #3,d0
asr.w #3,d1
asr.w #3,d2
muls d2,d0
asr.w #4,d0
add.w #154,d0
add.w #16,d1
bsr bob
bsr blitlogo
infront:
sub.w #100,xrot
bge.s nolim
add.w #3600,xrot
nolim:
sub.w #5,yrot
bge.s nolim2
add.w #3600,yrot
nolim2:
rts
blitlogo:
movem.w d0-3,-(sp)
move.l #logo+16,d3
move.l #mask,d4
wblit8:
btst #14,2(a5)
bne.s wblit8
move.l logoaddr,d0
add.l #10,d0
move.l d3,$50(a5)
move.w #40-20,$60(a5)
clr.w $42(a5)
move.w #40-20,$66(a5)
move.w #4,$64(a5)
move.w #4,$62(a5)
move.l #-1,$44(a5)
move.w #%111111110010,$40(a5)
moveq #2,d7
wblit7:
btst #14,2(a5)
bne.s wblit7
move.l d0,$54(a5)
move.l d0,$48(a5)
move.l d4,$4c(a5)
move.w #44*64+10,$58(a5)
add.l #44*40,d0
dbf d7,wblit7
movem.w (sp)+,d0-3
rts
bob:
movem.l d0-7/a0-6,-(sp)
wblt9:
btst #14,2(a5)
bne.s wblt9
mulu #40,d1
move.l logoaddr,d2
add.l d1,d2
move.w d0,d3
lsr.w #3,d0
bclr #0,d0
add.w d0,d2
and.w #15,d3
ror.w #4,d3
move.w d3,$42(a5)
or.w #%111111110010,d3
move.w d3,$40(a5)
move.l #$ffff0000,$44(a5)
move.l #logo+16+20,d0
move.l #mask+20,d1
move.w #40-4,$66(a5)
move.w #40-4,$60(a5)
move.w #20,$64(a5)
move.w #20,$62(a5)
moveq #2,d7
nextplane:
btst #14,2(a5)
bne.s nextplane
move.l d0,$50(a5)
move.l d1,$4c(a5)
move.l d2,$54(a5)
move.l d2,$48(a5)
move.w #8*64+2,$58(a5)
add.l #44*40,d2
add.l #44*24,d0
dbf d7,nextplane
movem.l (sp)+,d0-7/a0-6
rts
fades:
tst.w fadeflag
beq.s nomorefades
tst.w slider2
beq.s nomorefades
add.w #1,slider2
move.w slider2,d4
lea logo,a0
lea colours2,a1
moveq #7,d7
loop901:
move.w (a0)+,d0
move.w d0,d1
move.w d0,d2
and.w #$f,d0
and.w #$f0,d1
and.w #$f00,d2
lsr.w #4,d1
lsr.w #8,d2
add.w d4,d0
bge.s norm1
clr.w d0
norm1:
add.w d4,d1
bge.s norm2
clr.w d1
norm2:
add.w d4,d2
bge.s norm3
clr.w d2
norm3:
lsl.w #4,d1
lsl.w #8,d2
or.w d1,d0
or.w d2,d0
move.w d0,2(a1)
lea 4(a1),a1
dbf d7,loop901
nomorefades:
rts
readmouse:
move.w $a(a5),d0
move.w d0,d1
and.w #$ff,d0
lsr.w #8,d1
move.w oldmousex,d2
move.w oldmousey,d3
move.w d0,oldmousex
move.w d1,oldmousey
sub.w d2,d0
sub.w d3,d1
cmp.w #-127,d0
bgt.s nounder1
add.w #255,d0
nounder1:
cmp.w #-127,d1
bgt.s nounder2
add.w #255,d1
nounder2:
cmp.w #127,d0
blt.s noover1
sub.w #255,d0
noover1:
cmp.w #127,d1
blt.s noover2
sub.w #255,d1
noover2:
add.w mousex,d0
bge.s border1
clr.w d0
border1:
add.w mousey,d1
bge.s border2
clr.w d1
border2:
cmp.w #318,d0
blt.s border3
move.w #317,d0
border3:
cmp.w #148,d1
blt.s border4
move.w #147,d1
border4:
move.w d0,mousex
move.w d1,mousey
bsr setsprite
rts
clipping:
movem.l d6-7,-(sp)
move.w d6,d7
clr.w d5
cmp.w d1,d3
blt.s greater
exg d1,d3
exg d0,d2
greater:
tst.w d1
blt.s offscreen
cmp.w #200,d3
bge.s offscreen
cmp.w #200,d1
blt.s notd1down
bsr clipd1down
notd1down:
tst.w d3
bge.s notd3up
bsr clipd3up
notd3up:
cmp.w d0,d2
blt.s greater2
exg d1,d3
exg d0,d2
greater2:
tst.w d0
blt.s offscreen
cmp.w #320,d2
bge.s offscreen
tst.w d2
bge.s notd2left
bsr clipd2left
notd2left:
cmp.w #320,d0
blt.s notd0right
bsr clipd0right
notd0right:
movem.l (sp)+,d6-7
rts
offscreen:
move.w #1,d5
movem.l (sp)+,d6-7
rts
clipd1down:
move.w d3,d4
sub.w d1,d3
beq.s vertical2
sub.w #200,d1
move.w d0,d6
sub.w d2,d6
muls d1,d6
divs d3,d6
add.w d6,d0
vertical2:
move.w #199,d1
move.w d4,d3
rts
clipd0right:
move.w d2,d4
sub.w d0,d2
beq.s vertical4
sub.w #320,d0
move.w d1,d6
move.w d1,d7
sub.w d3,d6
muls d0,d6
divs d2,d6
add.w d6,d1
vertical4:
move.w #319,d0
move.w d4,d2
rts
clipd3up:
move.w d1,d4
sub.w d3,d1
beq.s vertical1
move.w d2,d6
sub.w d0,d6
muls d3,d6
divs d1,d6
add.w d6,d2
vertical1:
clr.w d3
move.w d4,d1
rts
clipd2left:
move.w d0,d4
sub.w d2,d0
beq.s vertical3
move.w d3,d6
sub.w d1,d6
muls d2,d6
divs d0,d6
add.w d6,d3
vertical3:
clr.w d2
move.w d4,d0
rts
setsprite:
add.w #$2c+3*16,d1
add.w #$81,d0
move.w d1,d3
clr.w d2
lsl.w #8,d1
roxl.b #1,d2
add.w #19,d3
lsl.w #8,d3
roxl.b #1,d2
lsr.w #1,d0
roxl.b #1,d2
or.w d2,d3
or.w d0,d1
lea mousepointer,a0
move.w d3,2(a0)
move.w d1,(a0)
rts
copperlist:
sprites:
dc.w spr0ptl,0,spr0pth,0,spr1ptl,0,spr1pth,0,spr2ptl,0,spr2pth,0,spr3ptl,0,spr3pth,0,spr4ptl,0,spr4pth,0,spr5ptl,0,spr5pth,0,spr6ptl,0,spr6pth,0,spr7ptl,0,spr7pth,0
dc.w ddfstrt,$38,ddfstop,$d0
dc.w diwstrt,$3081,diwstop,$0ac1
dc.w bplcon0,$3000,bplcon1,0,bplcon2,0,bpl1mod,0,bpl2mod,0
planes2:
dc.w bpl1ptl,0,bpl1pth,0,bpl2ptl,0,bpl2pth,0,bpl3ptl,0,bpl3pth,0
colours2:
dc.w col00,0,col01,0,col02,0,col03,0,col04,0,col05,0,col06,0,col07,0
dc.w $5ad9,$fffe
dc.w bplcon0,$4000,bplcon1,0,bplcon2,%100100,bpl1mod,0,bpl2mod,0
planes:
dc.w bpl1ptl,0,bpl1pth,0,bpl2ptl,0,bpl2pth,0,bpl3ptl,0,bpl3pth,0,bpl4ptl,0,bpl4pth,0
colours:
dc.w col00,0,col01,0,col02,0,col03,0,col04,0,col05,0,col06,0,col07,0,col08,0,col09,0,col10,0,col11,0,col12,0,col13,0,col14,0,col15,0
dc.w col16,0,col17
pointercol:
dc.w $fff,col18,0,col19,0
dc.w $d009,$fffe,$9c,$8010
dc.w $ffff,$fffe
blanksprite dc.w 0,0
mousepointer dc.w 0,0
dc.w %0000000000000000,%1100000000000000
dc.w %0100000000000000,%1010000000000000
dc.w %0110000000000000,%1001000000000000
dc.w %0111000000000000,%1000100000000000
dc.w %0111100000000000,%1000010000000000
dc.w %0111110000000000,%1000001000000000
dc.w %0111111000000000,%1000000100000000
dc.w %0111111100000000,%1000000010000000
dc.w %0111111110000000,%1000000001000000
dc.w %0111111100000000,%1000000010000000
dc.w %0111111000000000,%1000000100000000
dc.w %0111111100000000,%1000000010000000
dc.w %0111111100000000,%1000000010000000
dc.w %0111011110000000,%1000100001000000
dc.w %0110011110000000,%1001100001000000
dc.w %0100001111000000,%1010010000100000
dc.w %0000001110000000,%0100010001000000
dc.w %0000000000000000,%0000001110000000
dc.w 0,0
grname dc.b 'graphics.library',0
even
planeaddr dc.l 0
logoaddr dc.l 0
musicflag dc.w 0
player dc.w 0
oldmousex dc.w 0
slider dc.w 0
players dc.w 0
rot dc.w 0
winner dc.w 0
distance dc.w 0
oldmousey dc.w 0
slider2 dc.w 0
fadeflag dc.w 0
mousex dc.w 0
mousey dc.w 0
quitflag dc.w 0
toggler dc.w 0
buttonflag dc.w 0
framecount dc.w 0
xrot dc.w 0
yrot dc.w 0
startdata:
datatable dcb.b 10*6,0
inusetable dcb.b 10*6,0
ownertable dcb.b 10*6,0
morphtable dcb.w 1*10,0
enddata:
coords dc.w 17,-500,-300,500,-300,-500,-200,500,-200,-500,-100,500,-100,-500,0,500,0,-500,100,500,100,-500,200,500,200,-500,300,500,300
dc.w -500,-300,-500,300,-400,-300,-400,300,-300,-300,-300,300,-200,-300,-200,300,-100,-300,-100,300,0,-300,0,300,100,-300,100,300,200,-300,200,300,300,-300,300,300,400,-300,400,300,500,-300,500,300
blocksequ dc.w 59,58,49,57,48,39,56,47,38,29,55,46,37,28,19,54,45,36,27,18,09,53,44,35,26,17,08
dc.w 52,43,34,25,16,07,51,42,33,24,15,06,50,41,32,23,14,05,40,31,22,13,04,30,21,12,03
dc.w 20,11,02,10,01,00
playersin dc.b 0,0,0,0
flags dc.b 0,0,0,0
playerno dc.w 0
explosion dc.w 0,0,0
collook dc.w $f00,$0f0,$f80,$00f
sequences dc.l sequence1,sequence2,sequence3,sequence4
sequence1 dc.w 0,-1
sequence2 dc.w 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,-1
sequence3 dc.w 19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,-1
sequence4 dc.w 38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,-1
sequ dc.w 0,0,18,37,56
text1 dc.b ' how many players',-1
text2 dc.b 124,0,125,0,126,-1
text3 dc.b 'well done ',-1
text4 dc.b 'play again y n',-1
even
blocklookup dcb.l 256,0
tiles incbin "ram:atomtiles.bitmap"
sinewave incbin "ram:sinewavetable2"
logo incbin "ram:atomslogo.bitmap"
mask incbin "ram:atomslogo.mask"
font incbin "ram:atomfont.bitmap"
mt_init:lea mt_data,a0
lea $3b8(a0),a1
moveq #$7f,d0
moveq #0,d2
moveq #0,d1
mt_lop2:move.b (a1)+,d1
cmp.b d2,d1
ble.s mt_lop
move.l d1,d2
mt_lop: dbf d0,mt_lop2
addq.b #1,d2
asl.l #8,d2
asl.l #2,d2
lea 4(a1,d2.l),a2
lea mt_samplestarts(pc),a1
add.w #42,a0
moveq #$1e,d0
mt_lop3:clr.l (a2)
move.l a2,(a1)+
moveq #0,d1
move.w (a0),d1
clr.b 2(a0)
asl.l #1,d1
add.l d1,a2
add.l #$1e,a0
dbf d0,mt_lop3
or.b #2,$bfe001
move.b #6,mt_speed
moveq #0,d0
lea $dff000,a0
move.w d0,$a8(a0)
move.w d0,$b8(a0)
move.w d0,$c8(a0)
move.w d0,$d8(a0)
clr.b mt_songpos
clr.b mt_counter
clr.w mt_pattpos
rts
mt_end: clr.w $dff0a8
clr.w $dff0b8
clr.w $dff0c8
clr.w $dff0d8
move.w #$f,$dff096
rts
mt_music:
lea mt_data,a0
addq.b #1,mt_counter
move.b mt_counter(pc),d0
cmp.b mt_speed(pc),d0
blt mt_nonew
clr.b mt_counter
lea mt_data,a0
lea $c(a0),a3
lea $3b8(a0),a2
lea $43c(a0),a0
moveq #0,d0
moveq #0,d1
move.b mt_songpos(pc),d0
move.b (a2,d0.w),d1
lsl.w #8,d1
lsl.w #2,d1
add.w mt_pattpos(pc),d1
clr.w mt_dmacon
lea $dff0a0,a5
lea mt_voice1(pc),a4
bsr mt_playvoice
addq.l #4,d1
lea $dff0b0,a5
lea mt_voice2(pc),a4
bsr mt_playvoice
addq.l #4,d1
lea $dff0c0,a5
lea mt_voice3(pc),a4
bsr mt_playvoice
addq.l #4,d1
lea $dff0d0,a5
lea mt_voice4(pc),a4
bsr mt_playvoice
move.w mt_dmacon(pc),d0
beq.s mt_nodma
bsr mt_wait
or.w #$8000,d0
move.w d0,$dff096
bsr mt_wait
mt_nodma:
lea mt_voice1(pc),a4
lea $dff000,a3
move.l $a(a4),$a0(a3)
move.w $e(a4),$a4(a3)
move.l $a+$1c(a4),$b0(a3)
move.w $e+$1c(a4),$b4(a3)
move.l $a+$38(a4),$c0(a3)
move.w $e+$38(a4),$c4(a3)
move.l $a+$54(a4),$d0(a3)
move.w $e+$54(a4),$d4(a3)
add.w #$10,mt_pattpos
cmp.w #$400,mt_pattpos
bne.s mt_exit
mt_next:clr.w mt_pattpos
clr.b mt_break
addq.b #1,mt_songpos
and.b #$7f,mt_songpos
move.b -2(a2),d0
cmp.b mt_songpos(pc),d0
bne.s mt_exit
move.b -1(a2),mt_songpos
mt_exit:tst.b mt_break
bne.s mt_next
rts
mt_wait:moveq #3,d3
mt_wai2:move.b $dff006,d2
mt_wai3:cmp.b $dff006,d2
beq.s mt_wai3
dbf d3,mt_wai2
moveq #8,d2
mt_wai4:dbf d2,mt_wai4
rts
mt_nonew:
lea mt_voice1(pc),a4
lea $dff0a0,a5
bsr mt_com
lea mt_voice2(pc),a4
lea $dff0b0,a5
bsr mt_com
lea mt_voice3(pc),a4
lea $dff0c0,a5
bsr mt_com
lea mt_voice4(pc),a4
lea $dff0d0,a5
bsr mt_com
bra.s mt_exit
mt_mulu:
dc.w 0,$1e,$3c,$5a,$78,$96,$b4,$d2,$f0,$10e,$12c,$14a
dc.w $168,$186,$1a4,$1c2,$1e0,$1fe,$21c,$23a,$258,$276
dc.w $294,$2b2,$2d0,$2ee,$30c,$32a,$348,$366,$384,$3a2
mt_playvoice:
move.l (a0,d1.l),(a4)
moveq #0,d2
move.b 2(a4),d2
lsr.b #4,d2
move.b (a4),d0
and.b #$f0,d0
or.b d0,d2
beq.s mt_oldinstr
lea mt_samplestarts-4(pc),a1
asl.w #2,d2
move.l (a1,d2.l),4(a4)
lsr.w #1,d2
move.w mt_mulu(pc,d2.w),d2
move.w (a3,d2.w),8(a4)
move.w 2(a3,d2.w),$12(a4)
moveq #0,d3
move.w 4(a3,d2.w),d3
tst.w d3
beq.s mt_noloop
move.l 4(a4),d0
asl.w #1,d3
add.l d3,d0
move.l d0,$a(a4)
move.w 4(a3,d2.w),d0
add.w 6(a3,d2.w),d0
move.w d0,8(a4)
bra.s mt_hejaSverige
mt_noloop:
move.l 4(a4),d0
add.l d3,d0
move.l d0,$a(a4)
mt_hejaSverige:
move.w 6(a3,d2.w),$e(a4)
moveq #0,d0
move.b $13(a4),d0
move.w d0,8(a5)
mt_oldinstr:
move.w (a4),d0
and.w #$fff,d0
beq mt_com2
tst.w 8(a4)
beq.s mt_stopsound
tst.b $12(a4)
bne.s mt_stopsound
move.b 2(a4),d0
and.b #$f,d0
cmp.b #5,d0
beq.s mt_setport
cmp.b #3,d0
beq.s mt_setport
move.w (a4),$10(a4)
and.w #$fff,$10(a4)
move.w $1a(a4),$dff096
clr.b $19(a4)
move.l 4(a4),(a5)
move.w 8(a4),4(a5)
move.w $10(a4),6(a5)
move.w $1a(a4),d0
or.w d0,mt_dmacon
bra mt_com2
mt_stopsound:
move.w $1a(a4),$dff096
bra mt_com2
mt_setport:
move.w (a4),d2
and.w #$fff,d2
move.w d2,$16(a4)
move.w $10(a4),d0
clr.b $14(a4)
cmp.w d0,d2
beq.s mt_clrport
bge mt_com2
move.b #1,$14(a4)
bra mt_com2
mt_clrport:
clr.w $16(a4)
rts
mt_port:move.b 3(a4),d0
beq.s mt_port2
move.b d0,$15(a4)
clr.b 3(a4)
mt_port2:
tst.w $16(a4)
beq.s mt_rts
moveq #0,d0
move.b $15(a4),d0
tst.b $14(a4)
bne.s mt_sub
add.w d0,$10(a4)
move.w $16(a4),d0
cmp.w $10(a4),d0
bgt.s mt_portok
move.w $16(a4),$10(a4)
clr.w $16(a4)
mt_portok:
move.w $10(a4),6(a5)
mt_rts: rts
mt_sub: sub.w d0,$10(a4)
move.w $16(a4),d0
cmp.w $10(a4),d0
blt.s mt_portok
move.w $16(a4),$10(a4)
clr.w $16(a4)
move.w $10(a4),6(a5)
rts
mt_sin:
dc.b 0,$18,$31,$4a,$61,$78,$8d,$a1,$b4,$c5,$d4,$e0,$eb,$f4
dc.b $fa,$fd
dc.b $ff,$fd,$fa,$f4,$eb,$e0,$d4,$c5,$b4,$a1,$8d,$78,$61
dc.b $4a,$31,$18
mt_vib: move.b $3(a4),d0
beq.s mt_vib2
move.b d0,$18(a4)
mt_vib2:move.b $19(a4),d0
lsr.w #2,d0
and.w #$1f,d0
moveq #0,d2
move.b mt_sin(pc,d0.w),d2
move.b $18(a4),d0
and.w #$f,d0
mulu d0,d2
lsr.w #7,d2
move.w $10(a4),d0
tst.b $19(a4)
bmi.s mt_vibsub
add.w d2,d0
bra.s mt_vib3
mt_vibsub:
sub.w d2,d0
mt_vib3:move.w d0,6(a5)
move.b $18(a4),d0
lsr.w #2,d0
and.w #$3c,d0
add.b d0,$19(a4)
rts
mt_arplist:
dc.b 0,1,2,0,1,2,0,1,2,0,1,2,0
dc.b 1,2,0,1,2,0,1,2,0,1,2,0,1,2,0,1,2,0,1
mt_arp: moveq #0,d0
move.b mt_counter(pc),d0
move.b mt_arplist(pc,d0.w),d0
beq.s mt_arp0
cmp.b #2,d0
beq.s mt_arp2
mt_arp1:moveq #0,d0
move.b 3(a4),d0
lsr.b #4,d0
bra.s mt_arpdo
mt_arp2:moveq #0,d0
move.b 3(a4),d0
and.b #$f,d0
mt_arpdo:
asl.w #1,d0
move.w $10(a4),d1
and.w #$fff,d1
lea mt_periods(pc),a0
moveq #$24,d2
mt_arp3:cmp.w (a0)+,d1
bge.s mt_arpfound
dbf d2,mt_arp3
mt_arp0:move.w $10(a4),6(a5)
rts
mt_arpfound:
move.w -2(a0,d0.w),6(a5)
rts
mt_normper:
move.w $10(a4),6(a5)
rts
mt_com: move.w 2(a4),d0
and.w #$fff,d0
beq.s mt_normper
move.b 2(a4),d0
and.b #$f,d0
tst.b d0
beq.s mt_arp
cmp.b #1,d0
beq.s mt_portup
cmp.b #2,d0
beq.s mt_portdown
cmp.b #3,d0
beq mt_port
cmp.b #4,d0
beq mt_vib
cmp.b #5,d0
beq.s mt_volport
cmp.b #6,d0
beq.s mt_volvib
move.w $10(a4),6(a5)
cmp.b #$a,d0
beq.s mt_volslide
rts
mt_portup:
moveq #0,d0
move.b 3(a4),d0
sub.w d0,$10(a4)
move.w $10(a4),d0
cmp.w #$71,d0
bpl.s mt_portup2
move.w #$71,$10(a4)
mt_portup2:
move.w $10(a4),6(a5)
rts
mt_portdown:
moveq #0,d0
move.b 3(a4),d0
add.w d0,$10(a4)
move.w $10(a4),d0
cmp.w #$358,d0
bmi.s mt_portdown2
move.w #$358,$10(a4)
mt_portdown2:
move.w $10(a4),6(a5)
rts
mt_volvib:
bsr mt_vib2
bra.s mt_volslide
mt_volport:
bsr mt_port2
mt_volslide:
moveq #0,d0
move.b 3(a4),d0
lsr.b #4,d0
beq.s mt_vol3
add.b d0,$13(a4)
cmp.b #$40,$13(a4)
bmi.s mt_vol2
move.b #$40,$13(a4)
mt_vol2:moveq #0,d0
move.b $13(a4),d0
move.w d0,8(a5)
rts
mt_vol3:move.b 3(a4),d0
and.b #$f,d0
sub.b d0,$13(a4)
bpl.s mt_vol4
clr.b $13(a4)
mt_vol4:moveq #0,d0
move.b $13(a4),d0
move.w d0,8(a5)
rts
mt_com2:move.b $2(a4),d0
and.b #$f,d0
cmp.b #$e,d0
beq.s mt_filter
cmp.b #$d,d0
beq.s mt_pattbreak
cmp.b #$b,d0
beq.s mt_songjmp
cmp.b #$c,d0
beq.s mt_setvol
cmp.b #$f,d0
beq.s mt_setspeed
rts
mt_filter:
move.b 3(a4),d0
and.b #1,d0
asl.b #1,d0
and.b #$fd,$bfe001
or.b d0,$bfe001
rts
mt_pattbreak:
move.b #1,mt_break
rts
mt_songjmp:
move.b #1,mt_break
move.b 3(a4),d0
subq.b #1,d0
move.b d0,mt_songpos
rts
mt_setvol:
cmp.b #$40,3(a4)
bls.s mt_sv2
move.b #$40,3(a4)
mt_sv2: moveq #0,d0
move.b 3(a4),d0
move.b d0,$13(a4)
move.w d0,8(a5)
rts
mt_setspeed:
moveq #0,d0
move.b 3(a4),d0
cmp.b #$1f,d0
bls.s mt_sp2
moveq #$1f,d0
mt_sp2: tst.w d0
bne.s mt_sp3
moveq #1,d0
mt_sp3: move.b d0,mt_speed
rts
mt_periods:
dc.w $358,$328,$2fa,$2d0,$2a6,$280,$25c,$23a,$21a,$1fc,$1e0
dc.w $1c5,$1ac,$194,$17d,$168,$153,$140,$12e,$11d,$10d,$fe
dc.w $f0,$e2,$d6,$ca,$be,$b4,$aa,$a0,$97,$8f,$87
dc.w $7f,$78,$71,0
mt_speed: dc.b 6
mt_counter: dc.b 0
mt_pattpos: dc.w 0
mt_songpos: dc.b 0
mt_break: dc.b 0
mt_dmacon: dc.w 0
mt_samplestarts:dcb.l $1f,0
mt_voice1: dcb.w 13,0
dc.w 1
mt_voice2: dcb.w 13,0
dc.w 2
mt_voice3: dcb.w 13,0
dc.w 4
mt_voice4: dcb.w 13,0
dc.w 8
mt_data incbin "df0:mod.mainmod"
end: