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Text File | 1978-04-18 | 21.3 KB | 1,289 lines |
-
- ; DRIVER AND MUSIC REMAIN COPYRIGHT D.LOWE
-
- ; GODFATHER THEME MUSIC
-
-
- ;
- ; I think I have commented everything you need to know
- ; to get it running but dont hesitate to ring if something
- ; is unclear.
-
-
- ; DAVE LOWE.....0723 870648
-
-
- ; **************************
-
- section issA,code_c ;must be in low memory for dma access
- ;DEVPAC PSEUDO OP ..CAN BE DELETED
-
-
- ;*****************************************
-
- ; ALL EQUs
-
- a00 equ 508*2
- bb00 equ 480*2
- b00 equ 453*2
-
- c003 equ 127
-
- bb03 equ 480*2
- b03 equ 453*2
-
- c04 equ 428*2
- db04 equ 404*2
- d04 equ 381*2
- eb04 equ 360*2
- e04 equ 339*2
- f04 equ 320*2
- gb04 equ 302*2
- g04 equ 285*2
- ab04 equ 269*2
- a04 equ 508
- bb04 equ 480
- b04 equ 453
-
- c05 equ 428
- db05 equ 404
- d05 equ 381
- eb05 equ 360
- e05 equ 339
- f05 equ 320
- gb05 equ 302
- g05 equ 285
- ab05 equ 269
- a05 equ 254
- bb05 equ 240
- b05 equ 226
-
- c06 equ 214
- db06 equ 202
- d06 equ 190
- eb06 equ 180
- e06 equ 170
- f06 equ 160
- gb06 equ 151
- g06 equ 143
- ab06 equ 135
- a06 equ 127
- bb06 equ 480*2
- b06 equ 453*2
-
- c07 equ 428*2
- db07 equ 404*2
- d07 equ 381*2
- eb07 equ 360*2
- e07 equ 339*2
- f07 equ 320*2
- gb07 equ 302*2
- g07 equ 285*2
- ab07 equ 269*2
- a07 equ 508
- bb07 equ 480
- b07 equ 453
-
- c08 equ 428
- db08 equ 404
- d08 equ 381
- eb08 equ 360
- e08 equ 339
- f08 equ 320
- gb08 equ 302
- g08 equ 285
- ab08 equ 269
- a08 equ 254
- bb08 equ 240
- b08 equ 226
-
-
- v equ 0
-
- no_loop equ 0
- loop equ 0
- chann1reg equ $dff0a0
- chann2reg equ $dff0b0
- chann3reg equ $dff0c0
- chann4reg equ $dff0d0
- dmacon equ $dff096
- int_bf_int equ $dff01e
- int_bf_w equ $dff09a
- vhposr equ $dff006
- in_line equ 0
- new_snd equ 4
- end_song equ 1
- end_patt equ 8
- new_env equ 12
- pbend equ 16
-
- ;cr equ 16
- ;tq1 equ 7
- ;tq2 equ 6
- ;tq equ 8
- ;q equ cr/2
- ;sq equ q/2
-
- hi: equ 223
- lo: equ 446
-
- r22 equ 134
- r20 equ 179 ;correctum
- r19 equ 150
- r18 equ 178
- r17 equ 200
- r16: equ 227 ;correctum
- r15: equ 249
- r13: equ 305
- r12: equ 333
- r11: equ 361
- r10: equ 389
- r9: equ 419
- r8: equ 446
- r7: equ 446+112
- r6: equ 446+223
- r5: equ 446+223+112
- r4: equ 446*2
- r3: equ 446*3
- r2: equ 446*4
- r1: equ 446*8
-
-
- filter: equ $bfe001
- filter_on equ 44
- filter_off equ 48
-
- modon equ 20
- pboff equ 24
- modoff equ 28
- rest equ 32
- end_fxp equ 36
- end_fx3 equ 36
- end_fx4 equ 40
- acc equ 52
- repeat equ 56
- down equ 1
- up equ 2
-
- ;***************************************************************
-
-
- ; THIS IS THE CONTROL SECTION FOR TESTING AS A STAND ALONE PRG.
-
- ; AND CAN BE DELETED WHEN NOT REQUIRED
-
-
- jsr select_new_song
-
- testloop:
- jsr delay ;wait for scan line at 50hz on pal
-
- jsr driver
-
- bra testloop
-
-
- delay:
- tst.w fxtimer
- bne no_test
- clr.l d0
- move.b $bfe001,d0
- btst #6,d0
- bne no_test1
- move.w #10,fxtimer
- bra testfx4
- no_test
- subq #1,fxtimer
- no_test1
- clr.l d0
- move.w vhposr,d0
- andi.w #%1111111100000000,d0
- cmpi.w #%1111111100000000,d0
-
- bne no_test1
- rts
-
- testfx4:
-
- ;jsr kill_chip
- ;move.w #1,int_disable
- clr.l d0
- move.b $bfe001,d0
- btst #6,d0
- beq testfx4
-
- move.l song_buffer,d0
- addq.l #1,d0
- cmp.l #18,d0
- bne nores
- move.l #1,d0
- nores move.l d0,song_buffer
- jsr select_new_song
-
-
- ;move.l fx_last,d0
- ;move.l d0,fx_kill
-
- ;jsr kill_loopfx ;only one fx at a time
-
-
- no_k
- move.l fx_no,fx_number
- move.l fx_no,fx_last
- addq.l #1,fx_no
- ;move.l max_fx,d0
- cmp.l fx_no,d0
- bne noreset
- move.l #1,fx_no
- noreset:
- jsr set_up_fx
- bra no_test
-
- fxtc: dc.w 10
- fx_no: dc.l 1
- fx_last dc.l 0
-
-
- ; END OF CONTROL (DELETABLE) SECTION
-
- ;**********************************************************
-
- ; --------------------------------------------------------------
-
- ; MAIN VARIABLES TO BE ACCESSED BY PROGRAMMER DURING RUNTIME
-
-
- fx_number: dc.l 0 ; number of fx required here...see list
- fx_kill dc.l 0 ; number of fx to kill/only needed for looped fx
-
- song_buffer dc.l 1 ; number of piece of music required here ie.1 to 5
-
- music_disable: dc.w 0 ; 1 = disable music
- fx_disable: dc.w 1 ; 1 = disable fx (currently disabled)
-
- ; +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
- ; THESE VARIABLES ARE USED INTERNALLY BY THE DRIVER
- fxr1 dc.l 0
- fxr2 dc.l 0
- fxr3 dc.l 0
- fxr4 dc.l 0
- fxc1 dc.l 0
- fxc2 dc.l 0
- fxc3 dc.l 0
- fxc4 dc.l 0
- fx1_flag dc.w 0
- fx2_flag dc.w 0
- fx3_flag dc.w 0
- fx4_flag dc.w 0
- fxtimer dc.w 0
- gen dc.w 0
- int_disable dc.w 0
- altpf dc.w 0
- kill_flag dc.w 0
- ; *******************************************************
-
- ; CALL THIS SUBROUTINE TO SET UP THE REQIURED FX
- ; on entry it requires the fx number to be in "fx_number"(see above)
- ;
-
- set_up_fx
- movem.l d5/a2,-(a7) ;save used registers
- move.l #1,d0
- cmp fx_number,d0
- bne check3 ;engine to 4
-
- tst.l fxc4
- bne check3
- use4:
- move.w #%0000000000001000,d5
- lea chann4reg,a2
- jsr end_fx4p
- move.l fx_number,fxr4
- move.l fx_number,fxc4
- move.l #0,fx_number
- bra no_fx
- check3: tst.l fxc3
- bne check2
- use3:
- move.w #%0000000000000100,d5
- lea chann3reg,a2
- jsr end_fx3p
- move.l fx_number,fxr3
- move.l fx_number,fxc3
- move.l #0,fx_number
- bra no_fx
- check2: tst.l fxc2
- bne check1
- use2:
- move.w #%0000000000000010,d5
- lea chann2reg,a2
- jsr end_fx2p
- move.l fx_number,fxr2
- move.l fx_number,fxc2
- move.l #0,fx_number
- bra no_fx
- check1: tst.l fxc1
- bne use3
- use1:
- move.u 2
-
- ;***************************************************************
-
-
- ; THIS IS THE CONTROL SECTION FOR TESTING AS A STAND ALONE PRG.
-
- ; AND CAN BE DELETED WHEN NOT REQUIRED
-
-
- jsr select_new_song
-
- testloop:
- jsr delay ;wait for scan line at 50hz on pal
-
- jsr driver
-
- bra testloop
-
-
- delay:
- tst.w fxtimer
- bne no_test
- clr.l d0
- move.b $bfe001,d0
- btst #6,d0
- bne no_test1
- move.w #10,fxtimer
- bra testfx4
- no_test
- subq #1,fxtimer
- no_test1
- clr.l d0
- move.w v
- jsr end_fx1p
- bra error
- k2 cmp.l fxc2,d5
- bne k3
- move.w #%0000000000000010,d5
- lea chann2reg,a2
- jsr end_fx2p
- bra error
- k3 cmp.l fxc3,d5
- bne k4
- move.w #%0000000000000100,d5
- lea chann3reg,a2
- jsr end_fx3p
- bra error
- k4 cmp.l fxc4,d5
- bne error
- move.w #%0000000000001000,d5
- lea chann2reg,a2
- jsr end_fx4p
- error
- clr.l fx_kill
- movem.l (a7)+,d5/a2 ;restore registers
- rts
- ;*************************************************
-
- ; CALL HERE TO KILL ANY SOUND for whatever reason
-
- kill_chip:
- move.w #%0000000000001111,dmacon
- move.l rest_data,chann1reg
- move.l rest_data,chann2reg
- move.l rest_data,chann3reg
- move.l rest_data,chann4reg
- move.w #16,chann1reg+4
- move.w #16,chann2reg+4
- move.w #16,chann3reg+4
- move.w #16,chann4reg+4
- move.w #0,chann1reg+8
- move.w #0,chann2reg+8
- move.w #0,chann3reg+8
- move.w #0,chann4reg+8
- move.w #1,chann1reg+6
- move.w #1,chann2reg+6
- move.w #1,chann3reg+6
- move.w #1,chann4reg+6
- move.l #0,fxr1
- move.l #0,fxr2
- move.l #0,fxr3
- move.l #0,fxr4
- move.w #0,fx1_flag
- move.w #0,fx2_flag
- move.w #0,fx3_flag
- move.w #0,fx4_flag
- move.l #0,fxc1
- move.l #0,fxc2
- move.l #0,fxc3
- move.l #0,fxc4
- rts
- ;****************************************
-
- ; CALL HERE TO SELECT WHICH PIECE OF MUSIC TO PLAY
- ; AFTER PLACING NUMBER (1 to 3) IN "SONG_BUFFER"..see above
- ; a call to this routine will initiliase the driver/kill any sound etc.
- ; make sure this routine has been called before running the interrupt
- ; driven section....see below
-
- select_new_song:
-
- move.w #1,int_disable
- movem.l d0/d1/a0/a1,-(a7) ;save used registers
- move.w music_disable,gen
- move.w #1,music_disable
- jsr kill_chip
- clr.l d0
- move.w #204,d0
- lea gvars,a0
- clloop: clr.w (a0)+
- dbra d0,clloop
- tst.l song_buffer
- beq no_song
- move.l song_buffer,d1
- add.l d1,d1
- add.l d1,d1
- add.l d1,d1
- add.l d1,d1
- LEA SONG_TABLE-16,A1
- add.l d1,a1
- MOVE.L (A1)+,WSONG1
- move.l (a1)+,wsong2
- move.l (a1)+,wsong3
- move.l (a1),wsong4
- MOVE.L #pstart,PATTR1
- MOVE.L #pstart,PATTR2
- MOVE.L #pstart,PATTR3
- move.l #pstart,pattr4
- move.l #sstart,songr1
- MOVE.L #sstart,SONGR2
- MOVE.L #sstart,SONGR3
- move.l #sstart,songr4
- no_song
- move.w #1,ch1vars
- move.w #2,ch2vars
- move.w #3,ch3vars
- move.w #4,ch4vars
- move.w #6,ch4fxvars
- move.w #5,ch3fxvars
- move.w #7,ch2fxvars
- move.w #8,ch1fxvars
- move.w gen,music_disable
- clr.w int_disable
- movem.l (a7)+,d0/d1/a0/a1 ;restore registers
- rts
-
- ;**************************************************
-
- ; CALL HERE ON A 50hz INTERRUPT DURING RUNTIME
- ; TO PLAY FX AND TUNES
-
- driver:
- tst.w int_disable
- beq process_data
- rts
- process_data
- movem.l d0-d6/a0-a6,-(a7) ;save used registers
-
-
- ch1:
- tst.w fx_disable
- bne test_music1
- tst.l fxr1
- bne ch1j1
- tst.l fxc1
- beq test_music1
- bra ch1j3
- ch1j2 jsr run_dummy1
- jsr run_fx1
- bra ch2
- ch1j1
- jsr set_up1
- ch1j3 tst.w music_disable
- beq ch1j2
- jsr run_fx1
- bra ch2
- test_music1
- tst.w music_disable
- bne ch2
- jsr run_music1
- bra ch2
- ;***********************
-
- ; channel 1 subroutines
-
- run_dummy1
- lea ch1vars,a0
- lea dummy_reg,a2
- move.w #0,d5
- jsr sect1
- rts
-
- set_up1
- move.l fxr1,d0
- add d0,d0
- add d0,d0
- lea fxjump_table-4,A1
- add.l d0,a1
- move.l (a1),currfx1
- clr.l fxr1
- clr.w fxintc1
- rts
-
-
- run_fx1
- lea ch1fxvars,a0
- lea chann1reg,a2
- move.w #%0000000000000001,d5
- move.w #%1000001000000001,d1
- jsr sect1
- rts
-
- run_music1
- lea ch1vars,a0
- lea chann1reg,a2
- move.w #%0000000000000001,d5
- move.w #%1000001000000001,d1
- jsr sect1
- rts
-
- ; **************************
- ch2
- tst.w fx_disable
- bne test_music2
- tst.l fxr2
- bne ch2j1
- tst.l fxc2
- beq test_music2
- bra ch2j3
- ch2j2 jsr run_dummy2
- jsr run_fx2
- bra ch3
- ch2j1
- jsr set_up2
- ch2j3 tst.w music_disable
- beq ch2j2
- jsr run_fx2
- bra ch3
-
- test_music2
- tst.w music_disable
- bne ch3
- jsr run_music2
- bra ch3
- ;***********************
- ; channel 2 subroutines
- run_dummy2
- lea ch2vars,a0
- lea dummy_reg,a2
- move.w #0,d5
- jsr sect1
- rts
-
- set_up2
- move.l fxr2,d0
- add d0,d0
- add d0,d0
- lea fxjump_table-4,A1
- add.l d0,a1
- move.l (a1),currfx2
- clr.l fxr2
- clr.w fxintc2
- rts
-
-
- run_fx2
- lea ch2fxvars,a0
- lea chann2reg,a2
- move.w #%0000000000000010,d5
- move.w #%1000001000000010,d1
- jsr sect1
- rts
-
- run_music2
- lea ch2vars,a0
- lea chann2reg,a2
- move.w #%0000000000000010,d5
- move.w #%1000001000000010,d1
- jsr sect1
- rts
-
- ; **************************
-
- ch3:
- tst.w fx_disable
- bne test_music3
- tst.l fxr3
- bne ch3j1
- tst.l fxc3
- beq test_music3
- bra ch3j3
- ch3j2 jsr run_dummy3
- jsr run_fx3
- bra ch4
- ch3j1
- jsr set_up3
- ch3j3 tst.w music_disable
- beq ch3j2
- jsr run_fx3
- bra ch4
-
- test_music3
- tst.w music_disable
- bne c1 equ 428*2
- db01 equ 404*2
- d01 equ 381*2
- eb01 equ 360*2
- e01 equ 339*2
- f01 equ 320*2
- gb01 equ 302*2
- g01 equ 285*2
- ab01 equ 269*2
- a01 equ 508
- bb01 equ 480
- b01 equ 453
-
- c02 equ 428
- db02 equ 404
- d02 equ 381
- eb02 equ 360
- e02 equ 339
- f02 equ 320
- gb02 equ 302
- g02 equ 285
- ab02 equ 269
- a02 equ 254
- bb02 equ 240
- b02 equ 226
-
- c03 equ 214
- db03 equ 202
- d03 equ 190
- eb03 equ 180
- e03 equ 170
- f03 equ 160
- gb03 equ 151
- g03 equ 143
- ab03 equ 135
- a_music3
- lea ch3vars,a0
- lea chann3reg,a2
- move.w #%0000000000000100,d5
- move.w #%1000001000000100,d1
- jsr sect1
- rts
-
- ; **************************
-
- ch4:
- tst.w fx_disable
- bne test_music4
- tst.l fxr4
- bne ch4j1
- tst.l fxc4
- beq test_music4
- bra ch4j3
- ch4j2 jsr run_dummy4
- jsr run_fx4
- bra no4
- ch4j1
- jsr set_up4
- ch4j3 tst.w music_disable
- beq ch4j2
- jsr run_fx4
- bra no4
-
- test_music4
- tst.w music_disable
- bne no4
- jsr run_music4
- no4
- movem.l (a7)+,d0-d6/a0-a6 ;restore registers
- rts
-
- ;***********************
-
- ; channel 4 subroutines
-
- run_dummy4
- lea ch4vars,a0
- lea dummy_reg,a2
- move.w #0,d5
- jsr sect1
- rts
-
- set_up4
- move.l fxr4,d0
- add d0,d0
- add d0,d0
- lea fxjump_table-4,A1
- add.l d0,a1
- move.l (a1),currfx4
- clr.l fxr4
- clr.w fxintc4
- rts
-
-
- run_fx4
- lea ch4fxvars,a0
- lea chann4reg,a2
- move.w #%0000000000001000,d5
- move.w #%1000001000001000,d1
- jsr sect1
- rts
-
- run_music4
- lea ch4vars,a0
- lea chann4reg,a2
- move.w #%0000000000001000,d5
- move.w #%1000001000001000,d1
- jsr sect1
- rts
- ; **************************
-
- sect1: tst.w 0(a0)
- bne s1j1
- rts
-
- s1j1: tst.w 2(a0)
- beq sect3
- cmpi.w #1,2(a0)
- beq sect4
-
- cmpi.w #3,4(a0)
- beq part2
-
- mode_switch: subq.w #1,2(a0)
-
- check_effects: clr.w altpf
- move.w 6(a0),d2
- tst.w 8(a0)
- beq check_mod
- tst.w 14(a0)
- beq cont_bend
- subq.w #1,14(a0)
- bra check_mod
- cont_bend: addq.w #1,altpf
- move.w 10(a0),d3
- move.w 12(a0),d4
- cmpi.w #1,8(a0)
- beq pbup
-
- sub.w d3,d2
- cmp.w d2,d4
- bcs check_mod
- bra fbend
-
- pbup: add.w d3,d2
- cmp.w d2,d4
- bcc check_mod
- fbend: move.w d4,d2
- clr.w 8(a0)
- check_mod: tst.w 16(a0)
- beq send_alt_pitch
-
-
- tst.w 58(a0)
- beq st_ok
- subq.w #1,58(a0)
- bra send_alt_pitch
- st_ok:
- tst.w 50(a0)
- beq cont_mod
- subq #1,50(a0)
- bra send_alt_pitch
- cont_mod: move.w 52(a0),50(a0)
- addq #1,altpf
- cmpi #3,16(a0)
- bcc addmod
-
- move.w 56(a0),d3
- sub.w d3,d2
- addq.w #1,16(a0)
- bra send_alt_pitch
- addmod:
-
- move.w 54(a0),d3
- add.w d3,d2
- addq.w #1,16(a0)
- cmpi.w #5,16(a0)
- bne send_alt_pitch
- move.w #1,16(a0)
-
- send_alt_pitch: tst.w altpf
- beq send_env
- move.w d2,6(a0)
- move.w d2,6(a2)
-
- send_env:
-
- cmpi #6,(a0)
- beq norm_env
- cmpi #5,(a0)
- bne do_env_check
-
- tst.w fx4_flag
- beq norm_env
- bra low_vol
-
- do_env_check:
- move.w fx3_flag,d0
- or.w fx4_flag,d0
- cmpi.w #0,d0
- beq norm_env
- low_vol:
- move.l 18(a0),a1
- cmpi.w #255,(a1)
- beq evj1
- move.w (a1)+,d0
- evj2: sub.w 62(a0),d0
- bcc no_over
- move.w 0,d0
- no_over:
- move.w d0,8(a2)
- bra fint
-
- evj1: subq.l #2,a1
- move.w (a1)+,d0
- bra evj2
-
- norm_env:
- move.l 18(a0),a1
- cmpi.w #255,(a1)
- beq env_finished
- cmpi.w #1,66(a0)
- bne no_acc
-
- clr.l d0
- move.w (a1)+,d0
- add.w 64(a0),d0
- move.w d0,8(a2)
- move.l a1,18(a0)
- rts
-
- no_acc:
- resu: move.w (a1)+,8(a2)
- fint: move.l a1,18(a0)
- rts
-
- env_finished:
- subq.l #2,a1
- bra resu
-
-
- one_shot_note: move.w #3,4(a0)
- move.l 38(a0),(a2)
- move.w 42(a0),4(a2)
-
-
- move.w d1,dmacon
- bra send_env
-
-
- part2:
- move.l 44(a0),(a2)
- move.w 48(a0),4(a2)
- subq.w #1,2(a0)
- move.w #1,4(a0)
- bra check_effects
-
- sect3:
- move.w #1,6(a2) ;period
- move.w d5,dmacon ;dma off
- move.w #10,d0
- loopd
- dbra d0,loopd
-
-
-
-
- move.w 0,66(a0)
-
- move.l 22(a0),a1
- control_ret: move.w (a1)+,d0
- cmpi.w #100,d0
- bls sect5
-
- acc_note:
- move.w d0,6(a0)
- move.w d0,6(a2)
- move.w (a1)+,2(a0)
- subq.w #1,2(a0)
- move.l a1,22(a0)
- move.l 34(a0),18(a0)
- move.w 60(a0),58(a0)
-
-
- tst.w 16(a0)
- beq no_mod_res
- move.w #1,16(a0)
- no_mod_res:
- cmpi.w #0,4(a0)
- beq do_loop
- bra one_shot_note
-
-
- do_loop: move.w d1,dmacon
- bra send_env
-
- do_rest:
- move.w (a1)+,2(a0)
- subq.w #1,2(a0)
- move.l a1,22(a0)
- move.l #rest_env,18(a0)
-
- move.w #0,8(a2)
- bra send_env
-
- sect4:
- cmpi.w #0,4(a0)
- beq noof
-
- ;move.w d5,dmacon
- noof: subq.w #1,2(a0)
- bra check_effects
-
- sect5: move.l #jump_table,a3
- move.l (a3,d0),a4
- jmp (a4)
-
- jump_table:
- dc.l in_line_data
- dc.l nsound
- dc.l patt_end
- dc.l get_env
- dc.l check_pbend
- dc.l do_mod
- dc.l bend_off
- dc.l mod_off
- dc.l do_rest
- dc.l end_fx
- dc.l end_fx
- dc.l s_f_on
- dc.l s_f_off
- dc.l w #%0000000000000001,d5
- lea chann1reg,a2
- jsr end_fx1p
- move.l fx_number,fxr1
- move.l fx_number,fxc1
- move.l #0,fx_number
- no_fx
- movem.l (a7)+,d5/a2 ;restore registers
- rts
-
- ;*************************************************
- ; CALL HERE TO KILL ANY LOOPED FX...
- ; after putting the number of the fx you want to kill
- ; into fx_kill
-
- kill_loopfx
-
- movem.l d5/a2,-(a7) ;save used registers
- move.l fx_kill,d5
- cmp.l fxc1,d5
- bne k2
- move.w #%0000000000000001,d5
- lea chann1reg,a2 move.l (a3),46(a0)
- jmp control_ret
-
- patt_end:
-
- move.l 26(a0),a1
- cmpi.l #0,(a1)
- beq song_control
- addq.l #4,26(a0)
- move.l (a1),a1
- jmp control_ret
- get_env:
- move.l (a1)+,a4
- move.l (a4)+,62(a0)
-
- move.l a4,34(a0)
-
- bra control_ret
-
- check_pbend:
- move.l (a1)+,8(a0)
- move.l (a1)+,12(a0)
- bra control_ret
-
- do_mod: move.w #1,16(a0)
- move.l (a1)+,50(a0)
- move.l (a1)+,54(a0)
- move.l (a1)+,58(a0)
- bra control_ret
-
- bend_off: clr.w 8(a0)
- bra control_ret
-
- mod_off: clr.w 16(a0)
- bra control_ret
-
-
- end_fx:
- cmpi.w #6,(a0)
- beq end_fx4p
- cmpi.w #5,(a0)
- beq end_fx3p
- cmpi.w #7,(a0)
- beq end_fx2p
-
- end_fx1p:
- rts
-
- end_fx2p:
- rts
-
-
- end_fx3p:
- rts
-
- end_fx4p:
- rts
-
- set_acc: move.w #1,66(a0)
- bra control_ret
-
- song_control:
- addq.l #4,a1
- move.l 30(a0),26(a0)
- move.l 26(a0),a1
- addq.l #4,26(a0)
- move.l (a1),a1
- jmp control_ret
-
-
- ;"""""""""""""""""""""""""""""""""""""""""""""""""
-
- ;;; DATA
-
- song_table:
- dc.l s1,s2,s3,s4 ;1 Main theme L
-
-
- ;************************************************************
- gvars:
- ch1vars
- dc.w 0
- dc.w 0,0,0,0,0,0,0,0,0,0
- pattr1: dc.l 0
- songr1: dc.l 0
- wsong1: dc.l 0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
- ch2vars
- dc.w 0
- dc.w 0,0,0,0,0,0,0,0,0,0
- pattr2: dc.l 0
- songr2: dc.l 0
- wsong2: dc.l 0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
- ch3vars
- dc.w 0
- dc.w 0,0,0,0,0,0,0,0,0,0
- pattr3: dc.l 0
- songr3: dc.l 0
- wsong3: dc.l 0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
- ch4vars
- dc.w 0
- dc.w 0,0,0,0,0,0,0,0,0,0
- pattr4: dc.l 0
- songr4: dc.l 0
- wsong4: dc.l 0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
-
- ch1fxvars
- fxintc1:
- currfx1:
-
- ch2fxvars
- fxintc2:
- currfx2:
-
-
- ch3fxvars
- fxintc3:
- currfx3:
-
- ch4fxvars
- fxintc4:
- currfx4:
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- ;************************************************************
-
- dummy_reg dc.l 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.l 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.l 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.l 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- ;************************************************************
-
-
-
- ; fx patterns here
-
- fxjump_table:
-
-
- ;*******************************************************************
-
- sstart: dc.l 0,end_song
-
- pstart: dc.w end_patt
-
-
-
-
- ;restful loop
-
- s1:
- dc.l p20
- dc.l 0,end_song
- s2:
- dc.l p20
- DC.L 0,end_song
- s3:
- dc.l pr
- dc.l 0,end_song
- s4:
- dc.l pr,pr,pr,pr
- dc.l 0,end_song
-
-
- CR set 32
- tcr1 set 13
- tcr2 set 14
- Q set cr/2
- tq1 set 4
- tq2 set 5
- ;tsq set 3
- ;tsq2 set 2
- SQ set cr/4
- ;m set 254
- ;rest set $fd00
- ;dcr set cr+q
- ;dq set q+sq
- ;dsq set sq+(sq/2)
- ;sb set cr*4
- ;min set cr*2
- ;dm set min+cr
-
-
-
-
- pcr:
- dc.w rest,cr
- dc.w end_patt
- pr:
- dc.w rest,cr*4
- dc.w end_patt
- prf:
- dc.w rest,cr*1000
- dc.w end_patt
- pr35:
- dc.w rest,35
- dc.w end_patt
- pra:
- dc.w rest,q*7
- dc.w end_patt
- pqr:
- dc.w rest,q
- dc.w end_patt
-
- ;*********************************************
- ; GODFATHER MUSIC
-
-
- p20
- dc.w new_env
- dc.l org_env
- dc.w new_snd
- dc.l shak
- dc.w filter_on
- dc.w db03,cr*2,c03,q,db03,q,d03,cr*2-2,rest,2,db03,cr,db03,q,a02,q*11
- dc.w db03,cr*2,c03,q,db03,q,d03,cr*2-2,rest,2,db03,cr,db03,q,ab02,q*11
- dc.w db03,cr*2,c03,q,db03,q,e03,cr*2,db03,cr,c03,cr*2,eb03,cr,db03,cr*3
- dc.w a02,cr,ab02,cr,a02,cr,db03,cr*2,c03,cr,ab02,q*19
-
- dc.w end_patt
-
- p20a
- dc.w new_env
- dc.l org_env
- dc.w new_snd
- dc.l shak
- dc.w filter_on
- dc.w db03,cr*2-2,c03,q,db03,q,d03,cr*2,db03,cr,db03,q,a02,q*11
- dc.w db03,cr*2,c03,q,db03,q,d03,cr*2,db03,cr,db03,q,ab02,q*11
- dc.w db03,cr*2,c03,q,db03,q,e03,cr*2,db03,cr,c03,cr*2,eb03,cr,db03,cr*3
- dc.w a02,cr,ab02,cr,a02,cr,db03,cr*2,c03,cr,ab02,q*19+2
-
- dc.w end_patt
-
-
- ;****************************************************************
-
-
-
- shak
- dc.w 1
- dc.l shakd
- dc.w 37782/2
- dc.l restd
- dc.w 16/2
-
- restd:
- rest_data:
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- dc.w 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
- sine_datad:
- dc.w 127,100,50,25,0,-25,-50,-100,-127
- dc.w -127,-100,-50,-25,0,25,50,100,127
-
-
- org_env: dc.w 0,0,55,255
- rest_env: dc.w 0,0,0,0,0,0,0,0,255
-
-
- ;**************************************************
- shakd incbin df1:flugel.sam
-
- ;*************************************************
-
-
-
- end
-
-
- filter_on
- dc.w db03,cr*2-2,c03,q,db03,q,d03,cr*2,db03,cr,db03,q,a02,q*11
- dc.w db03,cr*2,c03,q,db03,q,d03,cr*2,db03,cr,db03,q,ab02,q*11
- dc.w db03,cr*2,c03,q,dbh4
- jsr run_music3
- bra ch4
-
- ;***********************
-
- ; channel 3 subroutines
-
- run_dummy3
- lea ch3vars,a0
- lea dummy_reg,a2
- move.w #0,d5
- jsr sect1
- rts
-
- set_up3
- move.l fxr3,d0
- add d0,d0
- add d0,d0
- lea fxjump_table-4,A1
- add.l d0,a1
- move.l (a1),currfx3
- clr.l fxr3