mpt.asx

wince下著名的视频播放器源码

*----------------*
* Player MPT 2.4 *
* ver.spackowana *
*----------------*

 org $0500

*--- strona 0

addr   equ $ec ,$ed
word   equ $ee ,$ef
audzer equ $f0 ,$f1 ,$f2 ,$f3
licslp equ $f4 ,$f5 ,$f6 ,$f7
lensmp equ $f8
lsbmsb equ $f9
adrs1  equ $fa ,$fb
adrs2  equ $fc ,$fd
adrsmp equ $fe ,$ff

*--- program

 jmp init

play lda czygrc
 bne *+3
 rts
 lda #0
 sta oraaud
 inc licz
 lda pozptr
 cmp maxptr
 bcc r1
 dec zegar
 beq p1
 jmp r5
p1 ldx #0
 stx pozptr
p2 lda #0
 sta ptrwsk,x
 sta licspc,x
 lda adrtrl,x
 sta addr
 lda adrtrh,x
 sta addr+1
 ldy pozsng
p3 lda (addr),y
 iny
 cmp #$ff
 beq p5
 cmp #$fe
 bne p6
p4 jmp inic2
p5 lda (addr),y
 bmi p4
 asl @
 tay
 sty pozsng
 jmp p3
p6 sta numptr,x
 lda (addr),y
 sta poddzw,x
p7 inx
 cpx #4
 bne p2
 iny
 sty pozsng
 jmp r5
r1 dec zegar
 bpl r5
 lda tempo
 sta zegar
 ldx #3
r2 dec licspc,x
 bpl r4
 lda numptr,x
 asl @
 tay
aptrlz lda $ffff,y
 sta addr
 iny
aptrhz lda $ffff,y
 sta addr+1
 ora addr
 beq r4
 lda ptrwsk,x
 sta licptr
 jsr newdzw
 ldy licptr
 iny
 tya
 sta ptrwsk,x
 lda ilespc,x
 sta licspc,x
 cpx #2
 bne r4
 lda adcvol,x
 eor #$f
 asl @
 asl @
 asl @
 asl @
 adc <volstb
 sta volsmp+1
 lda >volstb
 adc #0
 sta volsmp+2
r4 dex
 bpl r2
 inc pozptr
r5 ldx #1
 lda typsmp
 cmp #2
 beq r6
 ldx #3
r6 lda typsmp
 cmp #2
 bne r7
 cpx kansmp
 beq r8
r7 jmp dzwiek
r8 lda audzer,x
 and filtry,x
 beq r9
 ldy #$28
 lda (addr),y
 clc
 adc numdzw,x
 jsr czest
 sec
 adc p1pom,x
 sta freq+2,x
r9 dex
 bpl r6
 lda #3
 sta $d20f
 lda audzer+1
 and #$10
 beq w1
 ldy numdzw+1
 lda bsfrql,y
 sta freq
 lda bsfrqh,y
 sta freq+1
w1 lda freq
 sta $d200
 lda freq+1
 sta $d202
 lda freq+2
 sta $d204
 lda freq+3
 sta $d206
 lda volume
 ldx #$ff
 ldy typsmp
 cpy #1
 bne w2
 ldx kansmp
 beq w3
w2 sta $d201
w3 lda volume+1
 cpx #1
 beq w4
 sta $d203
w4 cpy #2
 beq w6
 lda volume+2
 cpx #2
 beq w5
 sta $d205
w5 lda volume+3
 cpx #3
 beq w6
 sta $d207
w6 lda audzer
 ora audzer+1
 ora audzer+2
 ora audzer+3
 ora oraaud
 sta $d208
 rts
filtry dta b(4),b(2),b(0),b(0)

dzwiek lda adrinl,x
 sta addr
 lda adrinh,x
 sta addr+1
 ora addr
 bne d0
 sta volume,x
 sta audzer,x
 jmp r9
d0 ldy licslp,x
 cpy #$20
 beq d3
 lda (addr),y
 sec
 sbc adcvol,x
 bit sprvol
 beq d1
 and #$f0
d1 sta volume,x
 iny
 lda (addr),y
 sta przech
 iny
 sty licslp,x
 and #7
 beq d4
 tay
 lda akcadl-1,y
 sta akjmpz+1
 lda akcadh-1,y
 sta akjmpz+2
 lda przech
 lsr @
 lsr @
 lsr @
 lsr @
 lsr @
 ora #$28
 tay
 lda (addr),y
 clc
akjmpz jsr $ffff
d2 lda #0
 sta audzer,x
 jmp r9
d3 lda p3max,x
 beq d4
 dec p3lic,x
 bne d4
 sta p3lic,x
 lda volume,x
 and #15
 beq d4
 dec volume,x
d4 ldy #$23
 lda (addr),y
 sta audzer,x
 lda trnlic,x
 clc
 adc #$25
 tay
 and #3
 sta trnlic,x
 dey
 lda (addr),y
 adc adcdzw,x
 sta numdzw,x
 jsr czest+2
 sta freq,x
 lda p2lic,x
 beq d5
 dec p2lic,x
 jmp r8
d5 lda branch,x
 sta p1jmpz+1
p1jmpz bpl *
 jmp typ0dz
 brk
 jmp typ1dz
 brk
 jmp typ2dz
 brk
 jmp typ3dz
czygrc dta b(0)
 jmp typ4dz
zapisx dta b(0)
 jmp typ5dz
zapisy dta b(0)
 jmp typ6dz
sprvol dta b($10)
 jmp typ7dz

newdzw lda #0
 sta adcvol,x
 ldy licptr
 dey
new iny
 lda (addr),y
 cmp #$fe
 bne q0
 sty licptr
 rts
q0 cmp #$e0
 bcc q1
 lda maxptr
 sta pozptr
 bne new
q1 cmp #$d0
 bcc q2
 and #15
 sta tempo
 sta zegar
 bpl new
q2 cmp #$c0
 bcc q3
 and #15
 eor #15
 sta adcvol,x
 bpl new
q3 cmp #$80
 bcc q4
 and #$3f
 sta ilespc,x
 bpl new
q4 cmp #$40
 bcc q5
 iny
 sty licptr
 and #$1f
 sta numsmp,x
 asl @
 tay
ainslz lda $ffff,y
 sta adrinl,x
 iny
ainshz lda $ffff,y
 sta adrinh,x
 jmp newdzw

q5 sty licptr
 sta przech
 clc
 adc poddzw,x
 sta adcdzw,x
 lda typsmp
 beq n9
 cmp #2
 beq n8
 lda numsmp,x
 cmp #$1f
 bne n9
 lda przech
 sec
 sbc #1
n6 and #15
 tay
 lda (adrsmp),y
 sta adrs2+1
 tya
 ora #$10
 tay
 lda (adrsmp),y
 sta lensmp
 ldy #1
 ora adrs2+1
 bne n7
 ldy #0
n7 sty czysmp
 lda #0
 sta adrs2
 sta adrinl,x
 sta adrinh,x
 txa
 asl @
 sta wsksmp
 stx kansmp
 rts
n8 cpx #2
 bcs nb
n9 lda adrinl,x
 sta word
 lda adrinh,x
 sta word+1
 ora word
 beq na-1
 ldy #$20
 lda (word),y
 and #15
 sta p1lsb,x
 lda (word),y
 and #$70
 lsr @
 lsr @
 sta branch,x
 iny
 lda (word),y
 asl @
 asl @
 pha
 and #$3f
 sta p2lic,x
 pla
 and #$c0
 sta frqwsk,x
 iny
 lda (word),y
 sta p3max,x
 sta p3lic,x
 lda #0
 sta licslp,x
 sta trnlic,x
 sta p1lic,x
 sta p1pom,x
 lda adcdzw,x
 sta numdzw,x
 jsr czest
 sta freq,x
 cpx kansmp
 beq na
 rts
na ldy #$ff
 sty kansmp
 iny
 sty czysmp
 rts
nb cpx #2
 bne nd
 ldy adcdzw+2
 lda frsmpl,y
 sta smpl1z+1
 lda frsmph,y
 sta smpl2z+1
 lda #0
 sta lsbmsb
 sta adrs1
 lda numsmp+2
 and #15
 tay
 lda (adrsmp),y
 sta adrs1+1
 tya
 ora #$10
 tay
 lda (adrsmp),y
 sta smpl3z+1
 ora adrs1+1
 bne nc
 sta smpl1z+1
 sta smpl2z+1
nc rts
nd lda numsmp+3
 and #15
 tay
 lda (adrsmp),y
 sta adrs2+1
 tya
 ora #$10
 tay
 lda (adrsmp),y
 ora adrs2+1
 beq ne
 lda (adrsmp),y
 sec
 sbc adrs2+1
 sta lensmp
 lda #0
 sta adrs2
 lda #$8d
 bne nf
ne lda #$ad
nf sta drum2z
 sta drum1z
 lda #$18
 sta $d207
 rts

typ0dz lda licz
 and #7
 lsr @
 lsr @
 bcc t2
 bne typ1dz
 lda p1lsb,x
t1 clc
 sta p1pom,x
 adc freq,x
 sta freq,x
 jmp r8
t2 lda #0
 sta p1pom,x
 jmp r8
typ1dz lda freq,x
 sec
 sbc p1lsb,x
 sta freq,x
 sec
 lda #0
 sbc p1lsb,x
 sta p1pom,x
 jmp r8
typ2dz lda p1lic,x
 clc
 sta p1pom,x
 adc freq,x
t3 sta freq,x
 clc
 lda p1lic,x
 adc p1lsb,x
 sta p1lic,x
 jmp r8
typ3dz lda numdzw,x
 sec
 sbc p1lic,x
t4 sta numdzw,x
 jsr czest
 jmp t3
typ4dz lda #0
 sec
 sbc p1lic,x
 sta p1pom,x
 lda freq,x
 sec
 sbc p1lic,x
 jmp t3
typ5dz lda numdzw,x
 clc
 adc p1lic,x
 jmp t4
typ6dz jsr t5
 jmp t1
typ7dz jsr t5
 clc
 adc numdzw,x
 jsr a3
 jmp r8
t5 ldy p1lic,x
 lda p1lsb,x
 bmi t6
 iny
 iny
t6 dey
 tya
 sta p1lic,x
 cmp p1lsb,x
 bne t7
 lda p1lsb,x
 eor #$ff
 sta p1lsb,x
t7 lda p1lic,x
 rts
czest and #$3f
 ora frqwsk,x
 tay
t1frqz lda $ffff,y
 rts

akcadl dta l(a1),l(a0),l(a2)
 dta l(a4),l(a5),l(a6),l(a8)
akcadh dta h(a1),h(a0),h(a2)
 dta h(a4),h(a5),h(a6),h(a8)
audora dta b($40),b(0),b($20),b(0)

a0 adc freq,x
a1 sta freq,x
 rts
a2 adc adcdzw,x
a3 sta numdzw,x
 jsr czest
 sta freq,x
 rts
a4 sta freq,x
 lda audora,x
 bpl a7
a5 sta freq,x
 lda #$80
 bne a7
a6 sta freq,x
 lda #1
a7 ora oraaud
 sta oraaud
 rts
a8 and $d20a
 sta freq,x
a9 rts

bsfrql equ *-1
 dta b($f2),b($33),b($96)
 dta b($e2),b($38),b($8c),b(0)
 dta b($6a),b($e8),b($6a),b($ef)
 dta b($80),b(8),b($ae),b($46)
 dta b($e6),b($95),b($41),b($f6)
 dta b($b0),b($6e),b($30),b($f6)
 dta b($bb),b($84),b($52),b($22)
 dta b($f4),b($c8),b($a0),b($7a)
 dta b($55),b($34),b($14),b($f5)
 dta b($d8),b($bd),b($a4),b($8d)
 dta b($77),b($60),b($4e),b($38)
 dta b($27),b($15),b(6),b($f7)
 dta b($e8),b($db),b($cf),b($c3)
 dta b($b8),b($ac),b($a2),b($9a)
 dta b($90),b($88),b($7f),b($78)
 dta b($70),b($6a),b($64),b($5e)

bsfrqh equ *-1
 dta b(13,13,12,11,11,10,10,9,8,8,7,7,7,6,6)
 dta b(5,5,5,4,4,4,4,3,3,3,3,3,2,2,2,2)
 dta b(2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,0)
 dta b(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)

volstb dta d'8888888888888888'
 dta d'667777888889999:'
 dta d'556667788899:::;'
 dta d'455667788899::;;'
 dta d'44556677899::;;<'
 dta d'34456677899::;<<'
 dta d'33455677899:;;<='
 dta d'23445677899:;<<='
 dta d'2334566789::;<=='
 dta d'2234566789::;<=>'
 dta d'1234566789::;<=>'
 dta d'1234556789:;;<=>'
 dta d'1234456789:;<<=>'
 dta d'1233456789:;<==>'
 dta d'1223456789:;<=>>'
 dta d'0123456789:;<=>?'

frsmpl dta b($20),b($22),b($24),b($26),b($29)
 dta b($2b),b($2e),b($30),b($33),b($37)
 dta b($3a),b($3d),b($41),b($45),b($49)
 dta b($4d),b($52),b($57),b($5c),b($61)
 dta b($67),b($6e),b($74),b($7b),b($82)
 dta b($8a),b($92),b($9b),b($a4),b($ae)
 dta b($b8),b($c3),b($cf),b($dc),b($e9)
 dta b($f6),b(5),b($15),b($25),b($37)
 dta b($49),b($5d),b($71),b($87),b($9f)
 dta b($b8),b($d2),b($ed),b($b),b($2a)
 dta b($4b),b($6e),b($93),b($ba),b($e3)
 dta b($f),b($3e),b($70),b($a4),b($db)

frsmph dta d'               '
 dta d'               '
 dta d'      !!!!!!!!!'
 dta d'!!!"""""""#####'

*--- inicjacja

iniadl dta l(inic0),l(inic2)
 dta l(inic4),l(inic5)
 dta l(inic6),l(inic7)
 dta l(inic8),l(inic9)
iniadh dta h(inic0),h(inic2)
 dta h(inic4),h(inic5)
 dta h(inic6),h(inic7)
 dta h(inic8),h(inic9)

init stx zapisx
 sty zapisy
 and #7
 tay
 lda iniadl,y
 sta inic1+1
 lda iniadh,y
 sta inic1+2
inic1 jmp $ffff

inic0 lda zapisy
 ldx zapisx
 sta ainslz+1
 sta ainshz+1
 stx ainslz+2
 stx ainshz+2
 clc
 adc #$40
 sta aptrlz+1
 sta aptrhz+1
 bcc i2
 inx
i2 stx aptrlz+2
 stx aptrhz+2
 clc
 adc #$80
 sta t1frqz+1
 bcc i4
 inx
i4 stx t1frqz+2
 inx
 sta j4+1
 stx j4+2
 ldx #9
j4 lda $ffff,x
 sta adrtrl,x
 dex
 bpl j4
 dec tempo

inic2 lda #0
 sta czygrc
 ldx <licptr-branch
i9 sta branch,x
 dex
 bpl i9
 ldx #8
k9 sta $d200,x
 dex
 bpl k9
 rts

inic4 jsr inic2
 lda zapisx
 asl @
 sta pozsng
 lda maxptr
 sta pozptr
 lda #1
 sta zegar
 sta czygrc
 rts

inic5 lda zapisy
 sta adrsmp
 lda zapisx
 sta adrsmp+1
j5 rts

inic6 lda zapisy
 and #3
 tax
 lda zapisx
 jsr n6
 lda czysmp
 beq j5
 asl  zapisy
j6 jsr nopy
 lda #1
 sta typsmp
j7 lda czysmp
 beq j5
 cmp #1
 bne j9
 ldy #0
 inc czysmp
j9 lda (adrs2),y
 ldx wsksmp
 lsr @
 lsr @
 lsr @
 lsr @
 ora #$10
k15h1z sta $d40a
 sta $d40a
 sta $d201,x
 lda (adrs2),y
 ora #$10
k15h2z sta $d40a
 sta $d40a
 sta $d201,x
 iny
 bne j7
 inc adrs2+1
 lda adrs2+1
 cmp lensmp
 bne j7
 sty czysmp
 rts

nopy bcc j8
 lda #$ea
 sta k15h1z
 sta k15h1z+1
 sta k15h1z+2
 sta k15h2z
 sta k15h2z+1
 sta k15h2z+2
 rts
j8 lda #$8d
 sta k15h1z
 sta k15h2z
 lda #$a
 sta k15h1z+1
 sta k15h2z+1
 lda #$d4
 sta k15h1z+2
 sta k15h2z+2
 rts

inic7 lda #0
 sta czysmp
 lda zapisx
 lsr @
 jsr nopy
 lda #1
 sta typsmp
k1 jsr j7
 lda typsmp
 bne k1
 rts

inic8 lda #2
 sta typsmp
 sta kansmp
ressmp lda #$18
 sta $d207
 lda <ressmp+1
 sta adrs1
 lda >ressmp+1
 sta adrs1+1
 lda #$ad
 sta drum2z
 sta drum1z
 ldy #0
 sty smpl1z+1
 sty smpl2z+1
k2 ldx $d40b
 lda (adrs2),y
 lsr @
 lsr @
 lsr @
 lsr @
 ora #$10
drum1z sta $d207
 jsr k6
k3 cpx $d40b
 beq k3
 sta $d205
 ldx $d40b
 lda (adrs2),y
 inc adrs2
 bne k4
 inc adrs2+1
 dec lensmp
 bne k4
 lda #$ad
 sta drum2z
 sta drum1z
 lda #8
k4 ora #$10
drum2z sta $d207
 jsr k6
k5 cpx $d40b
 beq k5
 sta $d205
 lda typsmp
 bne k2
 rts

k6 clc
 lda lsbmsb
smpl1z adc #0
 sta lsbmsb
 lda adrs1
smpl2z adc #0
 sta adrs1
 bcc k7
 inc adrs1+1
 lda adrs1+1
smpl3z cmp #0
 bne k7
 sty smpl1z+1
 sty smpl2z+1
 rts
k7 lda (adrs1),y
 bit lsbmsb
 bmi k8
 lsr @
 lsr @
 lsr @
 lsr @
k8 and #15
 tay
volsmp lda volstb,y
 ldy #0
 rts

inic9 ldy #0
 sty typsmp
 sty czysmp
 dey
 sty kansmp
 rts

*--- zmienne

adrtrl org *+4
adrtrh org *+4
maxptr org *+1
tempo  org *+1

branch org *+4
volume org *+4
adcvol org *+4
freq   org *+4
frqwsk org *+4
adcdzw org *+4
poddzw org *+4
adrinl org *+4
adrinh org *+4
numdzw org *+4
numsmp org *+4
numptr org *+4
ptrwsk org *+4
ilespc org *+4
licspc org *+4
p1lsb  org *+4
p1lic  org *+4
p1pom  org *+4
p2lic  org *+4
p3max  org *+4
p3lic  org *+4
trnlic org *+4
zegar  org *+1
pozsng org *+1
pozptr org *+1
wsksmp org *+1
kansmp org *+1
czysmp org *+1
typsmp org *+1
oraaud org *+1
licz   org *+1
przech org *+1
licptr org *+1

 end