picogus

Michel2/picogus

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74f57e5621 Firmare v4.1.1 main v4.1.1 Ian Scott 2026-05-17 11:20:50 -06:00
74f22e9107 SB: rearrange ADPCM logic Ian Scott 2026-04-19 21:59:13 -06:00
977e77e305 Firmware v4.1.1-beta.1 v4.1.1-beta.1 Ian Scott 2026-04-19 18:25:17 -06:00
cbdc2d6a37 SB: Fix clicks during single-cycle DMA playback Ian Scott 2026-04-19 18:24:00 -06:00
4f8a8e70b4 Fix versioning for CMake v4.1.1-beta.0 Ian Scott 2026-04-17 22:29:00 -06:00
8c79a95dd9 Firmware v4.1.1-beta.0 dev Ian Scott 2026-04-17 22:13:02 -06:00
acc6facc1c Fix printf usage in ne2000 firmware Ian Scott 2026-04-17 20:56:11 -06:00
cbf761f3fb Fix GUS playmidi - it uses both timers Ian Scott 2026-04-17 19:58:04 -06:00
f960d70309 Remove last vestiges of pico-extras audio code Ian Scott 2026-04-16 23:54:12 -06:00
392f1aa928 Fix printf panic in GUS mode Ian Scott 2026-04-16 23:54:00 -06:00
d5fc6e0559 Check for panic-causing printfs when compiling without PGDEBUG Ian Scott 2026-04-16 23:53:34 -06:00
9470719b32 Merge pull request #137 from polpo/dev v4.1.0 Ian Scott 2026-04-13 22:38:40 -06:00
2be3565e5c Firmware v4.1.0 Ian Scott 2026-04-13 22:28:47 -06:00
ded16d7b7a Update changelog for v4.1.0 Ian Scott 2026-04-13 22:26:53 -06:00
69a22d6b7b CDROM: Fix .iso in Win9x w/ MKEPanasonic driver by handling lead-out Ian Scott 2026-04-13 20:14:39 -06:00
889dfa89c7 Better messaging when BLASTER has problems Ian Scott 2026-04-13 08:37:56 -06:00
452f863936 MKE: enlarge sector buffer that audio sectors land in during playback Ian Scott 2026-04-12 23:57:35 -06:00
78a92f1d95 pgusinit: print loaded CD image after /cdload Ian Scott 2026-04-11 14:48:57 -06:00
7254e90245 MPU: use 256 byte MIDI output buffer like real MPU-401 Ian Scott 2026-04-11 12:38:27 -06:00
6a9915a908 MPU: fix sysex delay - it's in ms, not us Ian Scott 2026-04-11 10:39:54 -06:00
e4fd9037a8 Add PGDEBUG CMake var to save runtime overhead of printf & save code size Ian Scott 2026-04-10 13:36:24 -06:00
5529f2b598 CDROM: eliminate sscanf usage Ian Scott 2026-04-10 13:34:45 -06:00
e014854bd5 SB: add fake ADC Ian Scott 2026-04-10 08:59:44 -06:00
6dab135ceb SB: general SBDSP fixes Ian Scott 2026-04-10 00:17:11 -06:00
4e84c09d49 SB: support SBMIDI Ian Scott 2026-04-10 00:14:59 -06:00
8c4bdc8e4d SB: support ADPCM and >44.1k sample rates Ian Scott 2026-04-09 08:51:53 -06:00
54dbdfa9bd pgusinit general fixes Ian Scott 2026-04-09 08:51:06 -06:00
a869fc4558 Merge pull request #136 from polpo/revert-135-error_by_one_protocol Ian Scott 2026-04-13 18:20:37 -06:00
f325a59c0e Revert "protocol == 1 it's never reached because b is never == 512" revert-135-error_by_one_protocol Ian Scott 2026-04-13 18:00:27 -06:00
bd1a58f3cb Merge pull request #135 from andreacampanella/error_by_one_protocol Ian Scott 2026-04-13 08:37:30 -06:00
602ab2d51f Merge pull request #134 from andreacampanella/typo_fix Ian Scott 2026-04-13 08:37:03 -06:00
c88784c5ed Add OPL types back to README Ian Scott 2026-04-12 22:25:09 -06:00
bb89a2bf6a Add SB16/Pro compatibility Ian Scott 2026-04-12 22:06:16 -06:00
58f99d5660 protocol == 1 it's never reached because b is never == 512 Andrea campanella 2026-04-10 18:31:03 +01:00
95e4cd017e fixed typo that passes irq instead of DMA Andrea campanella 2026-04-10 18:23:45 +01:00
4860c2685d Firmware v4.0.0 v4.0.0 Ian Scott 2026-04-06 09:53:20 -06:00
315a5cac85 Firmware v4.0.0-beta v4.0.0-beta Ian Scott 2026-04-06 09:46:48 -06:00
b38e3207d5 Update changelog for v4.0.0 Ian Scott 2026-04-05 22:56:06 -06:00
7612304262 Fix 28ch-as-27ch and GUS force 44k Ian Scott 2026-04-05 21:22:58 -06:00
081a6541d9 emu8950 process Ian Scott 2026-04-05 21:22:35 -06:00
05bcdae735 Build multifw with emu8950 Ian Scott 2026-04-05 21:21:33 -06:00
9675556be7 HW interpolator for SB Ian Scott 2026-04-04 16:22:24 -06:00
8c56f4d133 More optimizations around clamping for SB and GUS Ian Scott 2026-04-04 15:59:38 -06:00
bb35f2a0cc HW interpolator for SB sb16_merge Ian Scott 2026-04-04 16:22:24 -06:00
fc5d9d784f More optimizations around clamping for SB and GUS Ian Scott 2026-04-04 15:59:38 -06:00
d0d448e3bf Disable hardware clamp in dbopl - there's races due to it being used in multiple places Ian Scott 2026-04-03 23:09:48 -06:00
9cd6f55c3c SB: in SB16, speaker is always on Ian Scott 2026-03-31 19:04:52 -06:00
3be5cd168c SB: add missing DSP_CONTINUE_DMA_16 (0xD6) command and fix names of other DMA pause/continue commands Ian Scott 2026-03-31 18:27:41 -06:00
dab24789ec Comment: Fix speed + revert to original algorithm Kaede 2026-03-30 18:17:38 +02:00
ac49d6c9b5 Fix Miles AIL detection of SB16 Ian Scott 2026-03-30 21:10:45 -06:00
29da06d8ea Fix multifw build Ian Scott 2026-03-30 08:25:53 -06:00
7dcf583ff6 Boost OPL volume 1.5X Ian Scott 2026-03-29 20:58:27 -06:00
a3a9a2f41c Passthrough SB line-in volume to wt header volume Ian Scott 2026-03-29 20:57:57 -06:00
ac6f3774db Support variable output sample rate w/ new IRQ-driven output for GUS Ian Scott 2026-03-29 20:51:44 -06:00
d0c699fde5 Lock CheckVoiceIrq for GUS Ian Scott 2026-03-29 16:26:23 -06:00
bcd1c76f12 Overclock at runtime instead of at start to help stability on marginal boards Ian Scott 2026-03-29 16:24:53 -06:00
553a6a889a SB-like audio IRQ for GUS Ian Scott 2026-03-29 15:56:01 -06:00
8c5e16eadb Bring in some changes from 86box to support default win9x MKE driver Ian Scott 2026-03-29 13:38:22 -06:00
89ab467f28 OPL3 fixes for SB16 Ian Scott 2026-03-29 12:27:21 -06:00
35caedfd40 Reduce MIDI buffer sizes in non-MPU modes Ian Scott 2026-03-29 12:26:15 -06:00
6de116068c Clamp with hardware interpolator Ian Scott 2026-03-29 12:25:32 -06:00
cef8e62e44 Refactor polyphase resampler to allow for stereo resampling Ian Scott 2026-03-29 10:27:09 -06:00
6afc44b2ad Convert audio FIFOs to stereo sample pairs Ian Scott 2026-03-29 09:21:29 -06:00
db355ec4d6 Merge branch 'wss-sb16' into sb16_merge Ian Scott 2026-03-28 23:50:22 -06:00
cee1081a03 Implement audio_fifo as lock-free SPSC queue to not require disabling interrupts Ian Scott 2026-03-28 22:06:18 -06:00
d0510ad50c resampler: resolve python path wbcbz7 2026-03-18 05:18:07 +07:00
55733453c4 fix OPL3 register output dispatch wbcbz7 2026-03-18 05:14:30 +07:00
3bae77c864 fix missing stereo wbcbz7 2026-03-14 01:50:03 +07:00
328d5c16e0 add DOSBox OPL3 core wbcbz7 2026-03-14 01:29:49 +07:00
e53696a3a1 fix ymfm register writes, use linear OPL3 output resampling wbcbz7 2026-03-12 04:31:04 +07:00
82de83fe3a Update versioning v3.3.0-beta Daniel Arnold 2026-03-11 13:06:18 -06:00
82fa438059 feat(opl): add ymfm OPL2/OPL3 backend with true stereo output Daniel Arnold 2026-03-04 08:01:30 -07:00
2def019127 fix(audio): fix samples_in_fifo race between core 1 main loop and PWM ISR Daniel Arnold 2026-03-04 07:28:14 -07:00
3365378a77 fix(opl): eliminate cross-core OPL struct race via OPL_CMD_BUFFER Daniel Arnold 2026-03-04 07:18:30 -07:00
40a0c9b483 fix(opl): fix OPL Timer 2 enable writing to timer1.enabled instead of timer2.enabled Daniel Arnold 2026-03-04 07:01:29 -07:00
f3220f736a opl: enable EMU8950 TLL via pre-computed table in flash (.flashdata section) Daniel Arnold 2026-03-04 06:08:43 -07:00
1ceb476dfd Improve OPL synthesis quality Daniel Arnold 2026-03-03 23:12:08 -07:00
9e03d4893a feat(opl): widen OPL pipeline to int32_t for clean gain and precision Daniel Arnold 2026-03-03 22:45:05 -07:00
d047cfe1c7 fix(cdrom): fix audio track seek offsets in CUE images without INDEX 00 Daniel Arnold 2026-03-03 13:41:53 -07:00
96cabd4b7c fix(cdrom): recover from error state on /cdlist; fix image path edge cases Daniel Arnold 2026-03-03 13:24:04 -07:00
bddf6c43fb cdrom: add memory barrier before setting CD_STATUS_PLAYING Daniel Arnold 2026-03-03 12:14:38 -07:00
7efd92539d cdrom/mke: DOS protocol correctness fixes Daniel Arnold 2026-03-03 12:09:07 -07:00
223c5f966e sbplay: cap OPL fill loop to 256 samples per iteration Daniel Arnold 2026-03-03 11:51:08 -07:00
7935975408 cdrom: USB/FAT stability fixes Daniel Arnold 2026-03-03 11:05:56 -07:00
1507446976 Fix CD-ROM Red Book audio distortion and buffer gaps Daniel Arnold 2026-03-03 06:57:24 -07:00
5e8dec0c89 pgusinit: add option to init GUS/SB mode reosurces (base port, IRQ, DMA) from ULTRASND/BLASTER environment variable. wbcbz7 2026-03-28 23:05:35 +07:00
38d485ef01 Revert "temp overclock UART to 2 Mbps" wbcbz7 2026-03-28 22:02:00 +07:00
6014def2f9 SB: comment out DSP debug output wbcbz7 2026-03-28 21:59:40 +07:00
af97e8fd34 SB: fix reentrancy issues wbcbz7 2026-03-26 05:46:15 +07:00
0e5d95c125 fix DMA multi PIO state machine wbcbz7 2026-03-26 02:48:27 +07:00
fa9c38e139 SB: remove wait for DACK deassertion in dma_write_multi wbcbz7 2026-03-24 02:46:24 +07:00
0e88976b60 temp overclock UART to 2 Mbps wbcbz7 2026-03-23 18:54:29 +07:00
aaf36749f2 SB: move dsp_process() to second core, tweak DSP reset procedure wbcbz7 2026-03-23 17:58:08 +07:00
71434e2c2c SB: implement DSP commands 0xE2 and 0x20 wbcbz7 2026-03-23 04:39:25 +07:00
fadce640cc SB: reset more stuff, fix TC-related oversight wbcbz7 2026-03-22 05:25:28 +07:00
c02e695950 SB: clock down DMA PIO, minor sbdsp_set_type() fix wbcbz7 2026-03-22 04:26:34 +07:00
ba3e2edaa4 fix SB types and erratic fallthrough in CMD_SBDMA wbcbz7 2026-03-22 01:26:03 +07:00
4bf5631472 SB: finalize IRQ/DMA/options settings wbcbz7 2026-03-22 00:56:38 +07:00
f54d9a5840 SB: add registers for setting DSP version, IRQ/DMA settings readback and emulation options wbcbz7 2026-03-21 20:34:00 +07:00
5e77fbc90b SB: mixer locking and time constant fixup options wbcbz7 2026-03-21 20:32:59 +07:00

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