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File List | 1994-09-02 | 6.5 KB | 251 lines |
- ; Output a calibration tone using table lookup and interpolation.
- ;
- ; written by Quinn Jensen (jensenq@qcj.icon.com)
- ; ref: _Digital Sine-Wave Synthesis Using the DSP56001_,
- ; Motorola app note APR1/D rev 1
- ;
-
- include "tdsg.a56"
-
- ;***************************************************************
- ;
- ; sample rate computations
- ;
- ;***************************************************************
-
- P:0076 dot
- X:0020 org x:$20
-
- include "caltone.inc"
-
- X:0020 000007 dphase dc dphase_h
- Y:0020 org y:$20
- Y:0020 DD4415 dc dphase_l
- X:0021 org x:$21
- X:0021 000000 phase dc 0
- 000100 sinetab equ $100
-
- P:0076 org p:dot
- ;
- ; non-interrupt code
- ;
-
- P:0076 hf_init
- P:0076 0004FA ori #4,omr
- P:0077 00000C rts
-
- P:0078 eff1_on
- P:0078 eff1_off
- P:0078 eff2_on
- P:0078 eff2_off
- P:0078 eff3_on
- P:0078 eff3_off
- P:0078 eff4_on
- P:0078 eff4_off
- P:0078 00000C rts
-
- ;
- ; fs = 32.552083 kHz
- ;
-
- P:0079 hf_comp
- P:0079 0D0066 jsr <saveregs
-
-
-
- P:007A 48A100 move l:<phase,a
- P:007B 43A000 move l:<dphase,y
- P:007C 20CF00 move y0,b
- P:007D 20002B lsr b
- P:007E 21A500 move b1,x1 ;x1 = frac
- P:007F 200030 add y,a
- P:0080 47F400 move #>$0000FF,y1
- P:0081 0000FF
- P:0082 200076 and y1,a
- P:0083 482100 move a,l:<phase
- P:0084 219800 move a1,n0
- P:0085 60F400 move #sinetab,r0
- P:0086 000100
- P:0087 05FFA0 movec #$FF,m0
- P:0088 000000 nop
-
- P:0089 4EE800 move y:(r0+n0),y0
- P:008A 20CE00 move y0,a
-
-
- P:008B 21C600 move a,y0
- P:008C 47F400 move #ampl,y1
- P:008D 16C311
- P:008E 2000B1 mpyr y0,y1,a
-
- P:008F 560400 move a,x:<out_l
- P:0090 560500 move a,x:<out_r
-
- P:0091 bypass
- P:0091 0D006F jsr <restregs
- P:0092 00000C rts
-
- end
-
- Summary of psect usage
-
- section seg base last top used avail total
- -------------------------------------------------------------------------
-
-
- Symbol Table
- -------------------------------------
- ssi_int 000061
- ssix 000010
- eff4_off 000078
- eff4_on 000078
- eff3_off 000078
- eff3_on 000078
- eff2_off 000078
- eff2_on 000078
- eff1_off 000078
- eff1_on 000078
- init_stereo 000059
- start 000040
- in_rs 000003
- in_ls 000002
- in_r 000001
- in_l 000000
- dot 000076
- ampl 0.1778279000
- mainloop 000060
- hf_comp 000079
- hf_init 000076
- saveregs 000066
- savey 00000B
- savex 00000A
- saveb2 000009
- saveb10 000008
- savea2 000007
- savea10 000006
- dphase 000020
- dphase_h 000007
- dphase_l DD4415
- restregs 00006F
- phase 000021
- sinetab 000100
- out_r 000005
- out_l 000004
- bypass 000091
- m_scl1 00000F
- m_scl0 00000E
- m_scl 00C000
- m_ssl1 00000D
- m_ssl0 00000C
- m_ssl 003000
- m_hpl1 00000B
- m_hpl0 00000A
- m_hpl 000C00
- m_ibl2 000005
- m_ibl1 000004
- m_ibl0 000003
- m_ibl 000038
- m_ial2 000002
- m_ial1 000001
- m_ial0 000000
- m_ial 000007
- m_ipr 00FFFF
- m_rdf 000007
- m_tde 000006
- m_roe 000005
- m_tue 000004
- m_rfs 000003
- m_tfs 000002
- m_if1 000001
- m_if0 000000
- m_if 000002
- m_srie 00000F
- m_stie 00000E
- m_sre 00000D
- m_ste 00000C
- m_mod 00000B
- m_gck 00000A
- m_syn 000009
- m_fsl 000008
- m_sckd 000005
- m_scd2 000004
- m_scd1 000003
- m_scd0 000002
- m_scd 00001C
- m_of1 000001
- m_of0 000000
- m_of 000003
- m_psr 00000F
- m_wl1 00000E
- m_wl0 00000D
- m_wl 006000
- m_dc 001F00
- m_pm 0000FF
- m_tsr 00FFEE
- m_sr 00FFEE
- m_crb 00FFED
- m_cra 00FFEC
- m_tx 00FFEF
- m_rx 00FFEF
- m_tcm 00000F
- m_rcm 00000E
- m_scp 00000D
- m_cod 00000C
- m_cd 000FFF
- m_r8 000007
- m_fe 000006
- m_pe 000005
- m_or 000004
- m_idle 000003
- m_rdrf 000002
- m_tdre 000001
- m_trne 000000
- m_tmie 00000D
- m_tie 00000C
- m_rie 00000B
- m_ilie 00000A
- m_te 000009
- m_re 000008
- m_woms 000007
- m_rwi 000006
- m_wake 000005
- m_sbk 000004
- m_wds2 000002
- m_wds1 000001
- m_wds0 000000
- m_wds 000003
- m_sccr 00FFF2
- m_ssr 00FFF1
- m_scr 00FFF0
- m_stxa 00FFF3
- m_stxh 00FFF6
- m_stxm 00FFF5
- m_stxl 00FFF4
- m_srxh 00FFF6
- m_srxm 00FFF5
- m_srxl 00FFF4
- m_dma 000007
- m_hf1 000004
- m_hf0 000003
- m_hf 000018
- m_hcp 000002
- m_htde 000001
- m_hrdf 000000
- m_hf3 000004
- m_hf2 000003
- m_hcie 000002
- m_htie 000001
- m_hrie 000000
- m_htx 00FFEB
- m_hrx 00FFEB
- m_hsr 00FFE9
- m_hcr 00FFE8
- m_pcd 00FFE5
- m_pcddr 00FFE3
- m_pcc 00FFE1
- m_pbd 00FFE4
- m_pbddr 00FFE2
- m_pbc 00FFE0
- m_bcr 00FFFE
- errors=0
-