/
North.s
3978 lines (3472 loc) · 101 KB
/
North.s
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; North Jaguar
;
; - implementer la prot
; OK - recaler l'ecran en 50 HZ
; OK - tracer ligne en 256 couleur
; OK - pouvoir ralentir la transformation, + de 128 étapes
; OK - mise en place de la structure
; OK - tracer une ligne au blitter au GPU
; OK - rotation des points au GPU, calculs complets, seule astuce : *1/x à la place de div
; OK - effacement au blitter
; OK - musique FC au 68000+DSP
; OK - scrolling en bas : qui rebondit en fonction de la musique / couleur en fonction de la ligne / couleur en fonction d'une table
; OK - logo en haut
; OK - effacer au blitter avant les calculs 3D
; OK - couleur 3D : B8B0C0 ( 77C0) ou F8B028 (E9F8)
; OK - bloc fixe motif en fond
; OK - scrolling en 2 plan réels, inversé, transparent. p1p1p2p2 etc / shlq
; - BUG : music plante au bout d'un moment
; - OK : tester sans music
; - tester sans interruptions dsp/68000
; - tester avec I2S sans
temps_GPU=0
;tracer_de_lignes_au_blitter_ON=1
copie_du_scrolling_au_GPU=0
avancer_le_scrolling=1
DEBUG_BIGPEMU=0
SCROLLING_ON=1
CALCS_3D_ON=1
LIGNES3D_ON=1
MUSIC_ON=1
nb_etapes_transformation = 256
couleur_de_fond = $742F
couleur_de_fond_BORD1 = 0 ; $1828
couleur_de_fond_BORD2 = 0 ; $2F
numero_couleur_ligne_3D_256c=200
couleur_rouge = -1 ; $D0C1D0C1
couleur_CLUT_1 = $742F ; $d0c1 ; $E9F8
couleur_CLUT_200 = $E9F8 ; $E9F8
valeur_zoom = ($7cff06) ; $7cff06
NBPTS .EQU $90 ;9*16=144 POINTS
XMILIEU .EQU 160
YMILIEU .EQU 100
NBLIGNES .EQU 165 ;NB LIGNES A AFFICHER AU TOTAL
NBCOLS .EQU 192 ;NB PIXELS DE LARGEUR
rotation_en_X=2 ; 2
rotation_en_Y=1 ; 1
rotation_en_Z=1 ; 3
inc_pos_initiale_X=0
inc_pos_initiale_Y=0
inc_pos_initiale_Z=0
; scroll
hauteur_scrolling=8
couleur_du_scrolling=13
;-------------------------
;CC (Carry Clear) = %00100
;CS (Carry Set) = %01000
;EQ (Equal) = %00010
;MI (Minus) = %11000
;NE (Not Equal) = %00001
;PL (Plus) = %10100
;HI (Higher) = %00101
;T (True) = %00000
;-------------------------
include "jaguar.inc"
GPU_STACK_SIZE equ 4 ; long words
GPU_USP equ (G_ENDRAM-(4*GPU_STACK_SIZE))
GPU_ISP equ (GPU_USP-(4*GPU_STACK_SIZE))
CLEAR_BSS .equ 1 ; 1=efface toute la BSS jusqu'a la fin de la ram utilisée
ob_list_1 equ (ENDRAM-52000) ; address of read list =
ob_list_2 equ (ENDRAM-104000) ; address of read list =
nb_octets_par_ligne equ 320
nb_lignes equ 240
logo_DUNE_POSX=320-64
logo_DUNE_POSY=26-16
zone3D_POSX = (16+16) ; 16+46
zone3D_POSY = 58+10-16 ; (58+(91*2))
hauteur_zone_3D = 240-(58/2)
zone_scrolling_POSX = 0
zone_scrolling_POSY = (2*(240-24))+26-10-16
.opt "~Oall"
.text
.68000
move.l #$70007,G_END
move.l #$70007,D_END
move.l #INITSTACK-128, sp
move.w #%0000011011000001, VMODE ; 320x256 / CRY / $6C7
move.w #$100,JOYSTICK
move.w #801,VI ; stop VI
; clear BSS
lea DEBUT_BSS,a0
lea FIN_RAM,a1
moveq #0,d0
boucle_clean_BSS:
move.b d0,(a0)+
cmp.l a0,a1
bne.s boucle_clean_BSS
; clear stack
lea INITSTACK-100,a0
lea INITSTACK,a1
moveq #0,d0
boucle_clean_BSS2:
move.b d0,(a0)+
cmp.l a0,a1
bne.s boucle_clean_BSS2
; wait for gpu to stop
lea G_CTRL,A0
wait_STOP_GPU:
move.l (a0),d0
btst #0,d0
bne.s wait_STOP_GPU
.if MUSIC_ON=1
; init replay FC
lea Paula_custom-$A0,a1
lea module_FC,a0
bsr fcInit
jsr PAULA_init
;move.l #interrupt_DSP,LEVEL0 ; Install 68K LEVEL0 handler
;move.w #%10,J_INT ; configurer JINT ($F10020) en activant le bit1
;move.w #%10001,INT1
;and.w #%1111100011111111,sr ; 1111100011111111 => bits 8/9/10 = 0
.endif
; transforme sincos en .L
lea SINCOS,a0
move.w #(8*64)-1,d7 ; 256 valeurs
boucle_transforme_sincos_en_L:
move.w 2(a0),d0
ext.l d0
move.l d0,(a0)+
dbf d7,boucle_transforme_sincos_en_L
; traduit le scrolling
.if 1=0
lea texte_du_scrolling,a0
lea table_traduction_texte_scrolling,a1
lea texte_scrolling_traduit,a4
move.l #fonte,D4
boucle_traduction_scrolling:
move.l a1,a2
move.b (a0)+,d0
cmp.b #-1,d0
beq.s boucle_traduction_scrolling__sortie
moveq #0,d1
boucle_traduction_scrolling2:
cmp.b (a2)+,d0
beq.s boucle_traduction_scrolling__trouve
addq.w #1,d1
bra.s boucle_traduction_scrolling2
boucle_traduction_scrolling__trouve:
; d1 = numero dans la fonte
divs #20,d1
move.w d1,d2
ext.l d2
mulu #(24*320),d2
add.l d4,d2 ; + fonte
swap d1
ext.l d1
lsl.l #4,d1 ; remainder * 16
add.l d1,d2
move.l d2,(a4)+
bra.s boucle_traduction_scrolling
boucle_traduction_scrolling__sortie:
.endif
; version rapide
lea table_traduction_texte_scrolling_direct,a1
lea texte_du_scrolling,a0
lea texte_scrolling_traduit,a4
boucle_traduction_scrolling:
move.b (a0)+,d0
cmp.b #-1,d0
beq.s boucle_traduction_scrolling__sortie
ext.w d0
sub.w #32,d0
lsl.w #2,d0 ; *4
move.l (a1,d0.w),(a4)+
bra.s boucle_traduction_scrolling
boucle_traduction_scrolling__sortie:
move.l #-1,(a4) ; tag de fin
; copie du code GPU
move.l #0,G_CTRL
; copie du code GPU dans la RAM GPU
lea GPU_debut,A0
lea G_RAM,A1
move.l #GPU_fin-GPU_base_memoire,d0
lsr.l #2,d0
sub.l #1,D0
boucle_copie_bloc_GPU:
move.l (A0)+,(A1)+
dbf D0,boucle_copie_bloc_GPU
bsr RAPTOR_InitVideo
; creer les object listes
lea ob_list_1,a6
bsr preparation_OL
lea ob_list_2,a6
bsr preparation_OL
; remplace la couleur 02 de la fonte par 0
lea fonte,a0
lea FIN_fonte,a1
boucle_modif_fonte:
;move.w #200,d1
move.b (a0),d0
cmp.b #01,d0
beq.s boucle_modif_fonte__pas_01
moveq #0,d0
boucle_modif_fonte__pas_01:
move.b d0,(a0)+
cmp.l a0,a1
bne.s boucle_modif_fonte
; init a vide la zone de scrolling
lea zone_scrolling_dessus_256c_640pixels__zone1,a0
lea zone_scrolling_dessus_256c_640pixels__zone2,a1
move.w #(24*640)-1,d7
move.w #01,d0 ; 01=vide / 0=sans fond edz
vide_zone_texte_scrolling_avec_couleur_200:
move.b d0,(a0)+
move.b d0,(a1)+
dbf d7,vide_zone_texte_scrolling_avec_couleur_200
; copie un objet dans points_en_cours__en_word, pour test
.if 1=0
lea OBJ1,A0
lea points_en_cours__en_word,A1
move.w #(NBPTS*3)-1,d7
test_remplir_objet:
move.b (a0)+,d0 ; X
ext.w d0
add.w d0,d0
asl.w #6,d0
move.w d0,(a1)+
dbf d7,test_remplir_objet
.endif
; launch GPU
move.l #REGPAGE,G_FLAGS
move.l #GPU_init,G_PC
move.l #RISCGO,G_CTRL ; START GPU
.if 1=0
; test zone 1 plan scrolling
lea zone_resultat_scrolling_256c,a0
move.l #$FF,d0
move.w #(24-1),d7
test1P:
move.b d0,64(a0)
move.b d0,319(a0)
lea 320(a0),a0
;move.b d0,64(a0)
;move.b d0,319(a0)
;move.b d0,200(a0)
;lea 320(a0),a0
dbf d7,test1P
.endif
; remplissage de test zone dessus
.if 1=0
lea zone_scrolling_dessus_256c_640pixels,a0
move.w #(24-1),d7
move.l #$FF,d0
test1P2:
move.b d0,64(a0)
move.b d0,64+16(a0)
move.b d0,64+32(a0)
move.b d0,64+48(a0)
move.b d0,310(a0)
lea 320(a0),a0
move.b d0,64(a0)
move.b d0,64+16(a0)
move.b d0,64+32(a0)
move.b d0,64+48(a0)
move.b d0,310(a0)
lea 320(a0),a0
dbf d7,test1P2
.endif
;--------------
; cLUT
lea CLUT,a2
move.w #couleur_de_fond,(a2)+
move.w #couleur_CLUT_1,(a2)+ ; $d0c1 = rouge bof
lea table_couleur,a0
move.w #62-1,d7
SET_CLUT:
move.w (a0)+,(a2)+
dbf d7,SET_CLUT
; couleur 200
lea CLUT+(200*2),a2
move.w #couleur_CLUT_200,(a2)+ ; $d0c1 = rouge bof
; blitter au 68000
.if 1=0
move.l #zone_scrolling_dessus_256c_640pixels,A1_BASE ; A1 = Source
move.l #$0,A1_PIXEL
move.l #PIXEL8|XADDINC|PITCH1|WID320,A1_FLAGS
move.l #$00010000,A1_STEP
move.l #$00000000,A1_FSTEP
move.l #$00000001,A1_INC
move.l #$00000000,A1_FINC
move.l #$00000008,A1_PIXEL
move.l #zone_resultat_scrolling_256c,A2_BASE ; A2 = DEST
move.l #$0,A2_PIXEL
move.l #PIXEL8|XADDPIX|PITCH1|WID320,A2_FLAGS
move.w #24,d0
swap d0
move.l #320,d1
move.w d1,d0
move.l d0,B_COUNT
move.l #LFU_REPLACE|SRCEN|DSTA2|UPDA1,B_CMD
.endif
main:
cmp.l #0,Paula_flag_Tick_50Hz
bne.s main
move.l #1,Paula_flag_Tick_50Hz
bsr fcTick
move.l #2,Paula_flag_Tick_50Hz
.waitint1:
nop
move.l D_CTRL,d0
btst #6,d0
bne.s .waitint1
or.l #DSPINT0,D_CTRL ; interrupt pour prise en compte des valeurs FC par le DSP
bra.s main
interrupt_DSP:
;move.w #$7451,BORD1
movem.l d0-d7/a0-a6,-(a7)
; interruption 50 hz
move.l #1,Paula_flag_Tick_50Hz
bsr fcTick
move.l #2,Paula_flag_Tick_50Hz
.waitint1:
nop
move.l D_CTRL,d0
btst #6,d0
bne.s .waitint1
or.l #DSPINT0,D_CTRL ; interrupt pour prise en compte des valeurs FC par le DSP
move.w #%1000000010001,INT1
move.w #%1000000010,J_INT ; configurer JINT ($F10020) en activant le bit1
move.w #$0,INT2
movem.l (a7)+,d0-d7/a0-a6
;move.w #$0,BORD1
rte
;-----------------------------------------------------------------------------------
; preparation de l'Objects list
; Condition codes (CC):
;
; Values Comparison/Branch
; --------------------------------------------------
; 000 Branch on equal (VCnt==VC)
; 001 Branch on less than (VCnt>VC)
; 010 Branch on greater than (VCnt<VC)
; 011 Branch if OP flag is set
; input A6=adresse object list
preparation_OL:
move.l a6,a1
;lea ob_list_1,a1
;
; ============== insertion de Branch if YPOS < 0 a X+16
move.l #$00000003,d0 ; branch
or.l #%0100000000000000,d0 ; <
move.l GPU_premiere_ligne,d3
;add.l d3,d3 ; *2 : half line
lsl.l #3,d3
or.l d3,d0 ; Ymax
move.l a1,d1
add.l #16,d1
lsr.l #3,d1
move.l d1,d2
lsl.l #8,d1 ; <<24 : 8 bits
lsl.l #8,d1
lsl.l #8,d1
or.l d1,d0
lsr.l #8,d2
move.l d2,(a1)+
move.l d0,(a1)+
; ============== insertion de Branch if YPOS < Ymax à X+16
move.l #$00000003,d0 ; branch
or.l #%0100000000000000,d0 ; <
;move.l #derniere_ligne,d3
;add.l d3,d3 ; *2 : half line
;moveq #0,d3
move.l GPU_derniere_ligne,d3
;add.l d3,d3 ; *2 : half line
lsl.l #3,d3
or.l d3,d0 ; Ymax
move.l a1,d1
add.l #16,d1
lsr.l #3,d1
move.l d1,d2
lsl.l #8,d1 ; <<24 : 8 bits
lsl.l #8,d1
lsl.l #8,d1
or.l d1,d0
lsr.l #8,d2
move.l d2,(a1)+
move.l d0,(a1)+
; ============== insertion de STOP
moveq #0,d0
move.l d0,(a1)+
move.l #4,d0
move.l d0,(a1)+
lea 48(a6),a2
; insertion d'un bra < GPU_derniere_ligne
move.l #$00000003,d0 ; branch
or.l #%0100000000000000,d0 ; <
move.l GPU_derniere_ligne,d4
subq.l #2,d4
;add.l d4,d4 ; (*2 : half line)
lsl.l #3,d4
or.l d4,d0 ; VC
move.l a2,d1
lsr.l #3,d1
move.l d1,d2
lsl.l #8,d1 ; <<24 : 8 bits
lsl.l #8,d1
lsl.l #8,d1
or.l d1,d0
lsr.l #8,d2
move.l d2,(a1)+
move.l d0,(a1)+
; insertion GPU object
moveq #0,d0
move.l d0,(a1)+
move.l #$3FFA,d0 ; $3FFA
move.l d0,(a1)+
; insertion de STOP
moveq #0,d0
move.l d0,(a1)+
move.l #4,d0
move.l d0,(a1)+
; insertion de STOP
moveq #0,d0
move.l d0,(a1)+
move.l #4,d0
move.l d0,(a1)+
; insertion de STOP
moveq #0,d0
move.l d0,(a1)+
move.l #4,d0
move.l d0,(a1)+
; insertion de STOP
moveq #0,d0
move.l d0,(a1)+
move.l #4,d0
move.l d0,(a1)+
; insertion de STOP
moveq #0,d0
move.l d0,(a2)+
move.l #4,d0
move.l d0,(a2)+
rts
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Procedure: InitVideo
;;
RAPTOR_InitVideo:
movem.l d0-d6,-(sp)
move.w CONFIG,d0 ; Also is joystick register
andi.w #VIDTYPE,d0 ; 0 = PAL, 1 = NTSC
beq.s .palvals
.ntscvals: move.w #RAPTOR_NTSC_HMID,d2
move.w #RAPTOR_NTSC_WIDTH,d0
move.w #RAPTOR_NTSC_VMID,d6
move.w #RAPTOR_NTSC_HEIGHT,d4
;move.w #8,raptor_topclip_val
move.l #26-26+8,GPU_premiere_ligne
move.l #508-26+8,GPU_derniere_ligne
move.l #60,_50ou60hertz
bra.s .calc_vals
.palvals: move.w #RAPTOR_PAL_HMID,d2
move.w #RAPTOR_PAL_WIDTH,d0
move.w #RAPTOR_PAL_VMID+30,d6 ; +30 322
move.w #RAPTOR_PAL_HEIGHT,d4
move.l #26+16+16,GPU_premiere_ligne
move.l #(256*2)+26+16+16,GPU_derniere_ligne
move.l #60,_50ou60hertz
;move.w #8,raptor_topclip_val
.calc_vals: ;move.w d0,raptor_width
;move.w d4,raptor_height
move.w d0,d1
asr #1,d1 ; Width/2
sub.w d1,d2 ; Mid - Width/2
add.w #4,d2 ; (Mid - Width/2)+4
sub.w #1,d1 ; Width/2 - 1
ori.w #$400,d1 ; (Width/2 - 1)|$400
;move.w d1,raptor_a_hde
move.w d1,a_hde
move.w d1,HDE
;move.w d2,raptor_a_hdb
move.w d2,a_hdb
move.w d2,HDB1
move.w d2,HDB2
move.w d6,d5
sub.w d4,d5
add.w #16,d5
move.w d5,a_vdb
;move.w d5,raptor_a_vdb
add.w d4,d6
move.w d6,a_vde
;move.w d6,raptor_a_vde
move.w d5,VDB
move.w #$ffff,VDE
move.w #couleur_de_fond_BORD1,BORD1 ; Black border
move.w #couleur_de_fond_BORD2,BORD2 ; Black border
move.w #couleur_de_fond,BG ; Init line buffer to black
; force ntsc pour pal
movem.l (sp)+,d0-d6
rts
;-------------------------------------------
; VIDEO INITIALIZATION CONSTANTS
;-------------------------------------------
;NTSC_WIDTH EQU 1409 ; Width of screen in pixel clocks
;NTSC_HMID EQU 823 ; Middle of screen in pixel clocks
;NTSC_HEIGHT EQU 241 ; Height of screen in scanlines
;NTSC_VMID EQU 266 ; Middle of screen in halflines
;PAL_WIDTH EQU 1381 ; Same as above for PAL...
;PAL_HMID EQU 843
;PAL_HEIGHT EQU 287
;PAL_VMID EQU 322
; 320 PIXELS WIDE
RAPTOR_NTSC_WIDTH EQU 1229 ; Width of screen in pixel clocks
RAPTOR_NTSC_HMID EQU 787 ; Middle of screen in pixel clocks
RAPTOR_NTSC_HEIGHT EQU 241 ; 225 ; Height of screen in scanlines
RAPTOR_NTSC_VMID EQU 266 ; Middle of screen in halflines
; 3.923295454545455
RAPTOR_PAL_WIDTH EQU 1255 ; Same as above for PAL...
RAPTOR_PAL_HMID EQU 821
RAPTOR_PAL_HEIGHT EQU 256 ; 225
RAPTOR_PAL_VMID EQU 322
;*************************************************************************
;
; AMIGA Future Composer v1.4 player
; v1.3 support added by Leonard
;
;*************************************************************************
; A0=pointeur sur le module FC3 ou FC4
; A1=pCustomChip = $dff000
; lea (Paula_custom-$A0),a1
; lea module_FC,a0
;bra.s fcInit
;bra fcTick
;bra.s fcEnd
; -----------------------------------------------
fcEnd:
;moveq #$f,d0
;trap #1 ;bsr writeDmacon
move.l #$F,dmacon
.waitint1:
nop
move.l D_CTRL,d0
btst #6,d0
bne.s .waitint1
or.l #DSPINT0,D_CTRL
rts
; -----------------------------------------------
fcInit:
move.l a1,pCustom
; bset #1,$bfe001
lea pModule(pc),a1
move.l a0,(a1)
lea dataClearStart(pc),a1
move.w #(dataClearEnd - dataClearStart) - 1,d1
.dClear:
clr.b (a1)+
dbf d1,.dClear
tst.b bSoundBankReloc
bne.s .already
lea FCSoundBank(pc),a1
move.l a1,d1
lea SOUNDINFO+(90*16)(pc),a1
move.w #256-90-1,d2
.rLoop:
add.l d1,(a1)
lea 16(a1),a1
dbf d2,.rLoop
st bSoundBankReloc
.already:
move.w #1,onoff
lea bFc14(pc),a1
cmpi.l #'FC14',(a0)
seq (a1)
lea 100(a0),a1
tst.b bFc14
beq.s .no14
lea 180(a0),a1
.no14:
move.l a1,SEQpoint
move.l a0,a1
add.l 8(a0),a1
move.l a1,PATpoint
move.l a0,a1
add.l 16(a0),a1
move.l a1,FRQpoint
move.l a0,a1
add.l 24(a0),a1
move.l a1,VOLpoint
lea 40(a0),a1
lea SOUNDINFO+4(pc),a2
moveq #10-1,d1
initloop:
move.w (a1)+,(a2)+
move.l (a1)+,(a2)+
adda.w #10,a2
dbf d1,initloop
move.l a0,d1
add.l 32(a0),d1
lea SOUNDINFO(pc),a3
move.l d1,(a3)+
moveq #9-1,d3
moveq #0,d2
moveq #0,d4
tst.b bFc14
beq.s .no142
moveq #2,d4
.no142:
initloop1:
move.w (a3),d2
add.l d2,d1
add.l d2,d1
add.l d4,d1 ; +0 ou +2 selon FC13 ou FC14
adda.w #12,a3
move.l d1,(a3)+
dbf d3,initloop1
tst.b bFc14
beq.s init13
;---------------- init FC14
lea 100(a0),a1
lea SOUNDINFO+(10*16)(pc),a2
move.l a0,a3
add.l 36(a0),a3
moveq #47-1,d1
moveq #0,d2
initloop2:
move.l a3,(a2)+
move.b (a1)+,d2
move.w d2,(a2)+
clr.w (a2)+
move.w d2,(a2)+
addq.w #6,a2
add.w d2,a3
add.w d2,a3
dbf d1,initloop2
bra.s skipInit13
;--------------------- init FC13
sndInfo3:
dc.b $10,$10,$10,$10,$10,$10,$10,$10
dc.b $10,$10,$10,$10,$10,$10,$10,$10
dc.b $10,$10,$10,$10,$10,$10,$10,$10
dc.b $10,$10,$10,$10,$10,$10,$10,$10
dc.b $08,$08,$08,$08,$08,$08,$08,$08
dc.b $10,$08,$10,$10,$08,$08,$18
even
init13:
lea SOUNDINFO+(10*16)(pc),a2
lea sndInfo3(pc),a3
moveq #80-1,d1
moveq #0,d2
lea waveForms,a4
.mloop:
move.l a4,(a2)+
moveq #0,d0
move.b (a3)+,d0 ; TODO: Bug in original AMIGA routine: Read more entries than the sndInfo3 contains !!
move.w d0,(a2)+ ; length
clr.w (a2)+ ; repeat start = 0
move.w d0,(a2)+ ; repeat length = length
add.w d0,d0 ; word to bytes
add.w d0,a4
addq.w #6,a2
dbf d1,.mloop
;--------------------------------------------
skipInit13:
move.l SEQpoint(pc),a0
moveq #0,d2
move.b 12(a0),d2 ;Get replay speed
bne.s speedok
move.b #3,d2 ;Set default speed
speedok:
move.w d2,respcnt ;Init repspeed counter
move.w d2,repspd
INIT2:
clr.w audtemp
; move.w #$000f,$dff096 ;Disable audio DMA
; move.w #$0780,$dff09a ;Disable audio IRQ
;moveq #$f,d0
;trap #1 ; bsr writeDmacon
move.l #$F,dmacon
.waitint1:
nop
move.l D_CTRL,d0
btst #6,d0
bne.s .waitint1
or.l #DSPINT0,D_CTRL
moveq #0,d7
move.l pModule(pc),a0
move.l 4(a0),d0
divu #13,d0
mulu.w #13,d0
moveq #0,d6 ;Number of soundchannels-1
lea V1data(pc),a0 ;Point to 1st voice data area
lea SILENT(pc),a1
initloop3:
move.l a1,10(a0)
move.l a1,18(a0)
clr.w 4(a0)
move.w #$000d,6(a0)
clr.w 8(a0)
clr.l 14(a0)
move.b #$01,23(a0)
move.b #$01,24(a0)
clr.b 25(a0)
clr.l 26(a0)
clr.w 30(a0)
clr.l 38(a0)
clr.w 42(a0)
clr.l 44(a0)
clr.l 48(a0)
clr.w 56(a0)
moveq #0,d4
bset d6,d4
move.w d4,32(a0)
move.l pCustom(pc),a6
lea $a0(a6),a6 ; pointe sur les registres audio
move.w d6,d1
lsl.w #4,d1 ; channel * 16
add.w d1,a6
move.l #nullSample,(a6)
move.w #$0100,4(a6)
move.w #$0000,6(a6)
move.w #$0000,8(a6)
move.l a6,60(a0)
move.l SEQpoint(pc),(a0)
move.l SEQpoint(pc),52(a0)
move.w d6,d5
mulu.w #3,d5
add.l d5,52(a0)
add.l d5,(a0)
add.l d0,52(a0)
move.l (a0),a3
moveq #0,d1
move.b (a3),d1
lsl.w #6,d1
move.l PATpoint(pc),a4
adda.w d1,a4
move.l a4,34(a0)
move.b 1(a3),44(a0)
move.b 2(a3),22(a0)
lea 74(a0),a0 ;Point to next voice's data area
addq.w #1,d6
cmpi.w #4,d6
bne initloop3
rts
; -----------------------------------------------
; Tick de replay
; -----------------------------------------------
fcTick:
lea audtemp(pc),a5
tst.w 8(a5)
bne.s music_on
rts
music_on:
moveq #0,d5 ; [ARNAUD] BUG in original code: D5 and D6 were not settet properly in no new note !!!
moveq #6,d6
subq.w #1,4(a5) ;Decrease replayspeed counter
bne.s nonewnote
move.w 6(a5),4(a5) ;Restore replayspeed counter
lea V1data(pc),a0 ;Point to voice1 data area
bsr.w new_note
lea V2data(pc),a0 ;Point to voice2 data area
bsr.w new_note
lea V3data(pc),a0 ;Point to voice3 data area
bsr.w new_note
lea V4data(pc),a0 ;Point to voice4 data area
bsr.w new_note
nonewnote:
clr.w (a5)
; lea custom(pc),a6
move.l pCustom(pc),a6
lea V1data(pc),a0
bsr.w EFFECTS
move.l d0,$a6(a6) ; ecriture period 0 + volume 0
lea V2data(pc),a0
bsr.w EFFECTS
move.l d0,$b6(a6) ; ecriture period 1 + volume 1
lea V3data(pc),a0
bsr.w EFFECTS
move.l d0,$c6(a6) ; ecriture period 2 + volume 2
lea V4data(pc),a0
bsr.w EFFECTS
move.l d0,$d6(a6) ; ecriture period 3 + volume 3
lea V1data(pc),a0
move.l 68+(0*74)(a0),a1 ;Get samplepointer
adda.w 64+(0*74)(a0),a1 ;add repeat_start
move.l 68+(1*74)(a0),a2
adda.w 64+(1*74)(a0),a2
move.l 68+(2*74)(a0),a3
adda.w 64+(2*74)(a0),a3
move.l 68+(3*74)(a0),a4
adda.w 64+(3*74)(a0),a4
move.w 66+(0*74)(a0),d1 ;Get repeat_length
move.w 66+(1*74)(a0),d2
move.w 66+(2*74)(a0),d3
move.w 66+(3*74)(a0),d4
move.w (a5),d0
ori.w #$8000,d0 ;Set/clr bit = 1
; move.w d0,$dff096
;trap #1 ; bsr writeDmacon
ext.l d0
move.l d0,dmacon
.waitint1:
nop
move.l D_CTRL,d0
btst #6,d0
bne.s .waitint1
or.l #DSPINT0,D_CTRL ; EDZ 030123
moveq #2,d0
moveq #0,d5
chan1:
lea V1data+72(pc),a0
move.w (a0),d7
beq.s chan2
subq.w #1,(a0)