📄 svpwm_open_new.asm
字号:
B MAIN ; Branch back
**************************************
** Handle interrupt **
**************************************
EV_isr_B
SST #ST0,ST0_save ; save status register ST0
SST #ST1,ST1_save ; save status register ST1
LDP #0 ; point to memory page 0
SACH ACCH ;
SACL ACCL ; save ACC
LDP #232 ; point to EV reg page
LACC IFRB ; Read group B flag register
SACL IFRB ; Clear all group B flags
LDP #6 ; Point to B1 page 0
SPLK #1,period_flag ; set start flag
LDP #0 ; point to memory page 0
ZALH ACCH ;
ADDS ACCL ; restore ACC
LST #ST1,ST1_save ; restore status register ST1
LST #ST0,ST0_save ; restore status register ST0
EINT ;
RET ;
PHANTOM
SST #ST0,ST0_save ; save status register ST0
SST #ST1,ST1_save ; save status register ST1
LDP #0 ; point to memory page 0
SACH ACCH
SACL ACCL ; save ACC
LDP #0 ; point to memory page 0
SPLK #00badh,B2_SADDR+15
; 6fh <= "BAD" value indicates
; error
LDP #0 ; point to memory page 0
ZALH ACCH ;
ADDS ACCL ; restore ACC
LST #ST1,ST1_save ; restore status register ST1
LST #ST0,ST0_save ; restore status register ST0
EINT
RET ; return
;--------------------------------------------------
; Theta and sine table
;--------------------------------------------------
TB_TH
.word 0 ; angles at 0.5 degree ; increment: D3
.word 36
.word 71
.word 107
.word 143
.word 179
.word 214
.word 250
.word 286
.word 322
.word 357
.word 393
.word 429
.word 465
.word 500
.word 536
.word 572
.word 608
.word 643
.word 679
.word 715
.word 751
.word 786
.word 822
.word 858
.word 894
.word 929
.word 965
.word 1001
.word 1037
.word 1072
.word 1108
.word 1144
.word 1180
.word 1215
.word 1251
.word 1287
.word 1323
.word 1358
.word 1394
.word 1430
.word 1466
.word 1501
.word 1537
.word 1573
.word 1608
.word 1644
.word 1680
.word 1716
.word 1751
.word 1787
.word 1823
.word 1859
.word 1894
.word 1930
.word 1966
.word 2002
.word 2037
.word 2073
.word 2109
.word 2145
.word 2180
.word 2216
.word 2252
.word 2288
.word 2323
.word 2359
.word 2395
.word 2431
.word 2466
.word 2502
.word 2538
.word 2574
.word 2609
.word 2645
.word 2681
.word 2717
.word 2752
.word 2788
.word 2824
.word 2860
.word 2895
.word 2931
.word 2967
.word 3003
.word 3038
.word 3074
.word 3110
.word 3146
.word 3181
.word 3217
.word 3253
.word 3288
.word 3324
.word 3360
.word 3396
.word 3431
.word 3467
.word 3503
.word 3539
.word 3574
.word 3610
.word 3646
.word 3682
.word 3717
.word 3753
.word 3789
.word 3825
.word 3860
.word 3896
.word 3932
.word 3968
.word 4003
.word 4039
.word 4075
.word 4111
.word 4146
.word 4182
.word 4218
.word 4254
.word 4289
.word 4325
.word 4361
.word 4397
.word 4432
.word 4468
.word 4504
.word 4540
.word 4575
.word 4611
.word 4647
.word 4683
.word 4718
.word 4754
.word 4790
.word 4825
.word 4861
.word 4897
.word 4933
.word 4968
.word 5004
.word 5040
.word 5076
.word 5111
.word 5147
.word 5183
.word 5219
.word 5254
.word 5290
.word 5326
.word 5362
.word 5397
.word 5433
.word 5469
.word 5505
.word 5540
.word 5576
.word 5612
.word 5648
.word 5683
.word 5719
.word 5755
.word 5791
.word 5826
.word 5862
.word 5898
.word 5934
.word 5969
.word 6005
.word 6041
.word 6077
.word 6112
.word 6148
.word 6184
.word 6220
.word 6255
.word 6291
.word 6327
.word 6362
.word 6398
.word 6434
TB_S: .word 0 ; sin table: D1
.word 143
.word 286
.word 429
.word 572
.word 715
.word 857
.word 1000
.word 1143
.word 1285
.word 1428
.word 1570
.word 1713
.word 1855
.word 1997
.word 2139
.word 2280
.word 2422
.word 2563
.word 2704
.word 2845
.word 2986
.word 3126
.word 3266
.word 3406
.word 3546
.word 3686
.word 3825
.word 3964
.word 4102
.word 4240
.word 4378
.word 4516
.word 4653
.word 4790
.word 4927
.word 5063
.word 5199
.word 5334
.word 5469
.word 5604
.word 5738
.word 5872
.word 6005
.word 6138
.word 6270
.word 6402
.word 6533
.word 6664
.word 6794
.word 6924
.word 7053
.word 7182
.word 7311
.word 7438
.word 7565
.word 7692
.word 7818
.word 7943
.word 8068
.word 8192
.word 8316
.word 8438
.word 8561
.word 8682
.word 8803
.word 8923
.word 9043
.word 9162
.word 9280
.word 9397
.word 9514
.word 9630
.word 9746
.word 9860
.word 9974
.word 10087
.word 10199
.word 10311
.word 10422
.word 10531
.word 10641
.word 10749
.word 10856
.word 10963
.word 11069
.word 11174
.word 11278
.word 11381
.word 11484
.word 11585
.word 11686
.word 11786
.word 11885
.word 11982
.word 12080
.word 12176
.word 12271
.word 12365
.word 12458
.word 12551
.word 12642
.word 12733
.word 12822
.word 12911
.word 12998
.word 13085
.word 13170
.word 13255
.word 13338
.word 13421
.word 13502
.word 13583
.word 13662
.word 13741
.word 13818
.word 13894
.word 13970
.word 14044
.word 14117
.word 14189
.word 14260
.word 14330
.word 14399
.word 14466
.word 14533
.word 14598
.word 14663
.word 14726
.word 14788
.word 14849
.word 14909
.word 14968
.word 15025
.word 15082
.word 15137
.word 15191
.word 15244
.word 15296
.word 15346
.word 15396
.word 15444
.word 15491
.word 15537
.word 15582
.word 15626
.word 15668
.word 15709
.word 15749
.word 15788
.word 15826
.word 15862
.word 15897
.word 15931
.word 15964
.word 15996
.word 16026
.word 16055
.word 16083
.word 16110
.word 16135
.word 16159
.word 16182
.word 16204
.word 16225
.word 16244
.word 16262
.word 16279
.word 16294
.word 16309
.word 16322
.word 16333
.word 16344
.word 16353
.word 16362
.word 16368
.word 16374
.word 16378
.word 16382
.word 16383
.word 16384
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