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Author SHA1 Message Date
tildearrow a1ab7c5d57 game boy progress, part 1 
noise and wave channels don't play correctly yet
 2021-05-27 13:30:37 -05:00
tildearrow c78cc8c676 finally output envelopes 
apparently emulating the timers was necessary after all...
 2021-05-27 05:06:43 -05:00
tildearrow fff64acf09 prepare for fix 2021-05-27 04:36:56 -05:00
tildearrow a2e64606c0 wire up early GB support 
TODO: check why are envelopes not working
 2021-05-26 17:43:14 -05:00
tildearrow c2b3d85f77 bind the game boy 
TODO: sound
 2021-05-26 03:17:12 -05:00
tildearrow 30692985dc more slide fixes 
we are closer and closer
 2021-05-26 02:34:40 -05:00
tildearrow 42cd300b46 remove unused things in gb.h 2021-05-26 02:09:31 -05:00
tildearrow b499878c24 add a define for SN noise start value 
some SN chips have the start value set to an Atari-like one
 2021-05-26 02:09:18 -05:00
tildearrow 6c7383f39b fix mastertracker again 
arpeggio broke
 2021-05-26 02:06:40 -05:00
tildearrow 3c20bffd46 prepare for game boy platform 
using SameBoy code (MIT License)
 2021-05-22 21:10:25 -05:00
tildearrow 26463fd8d9 better pitch slides 
now digital warmth doesn't choke at the toms
 2021-05-19 14:39:39 -05:00
tildearrow 79f15fcbd8 fix a silly bug 
TODO: apparently this song requires accurate porta...
 2021-05-19 03:09:51 -05:00
tildearrow f26307f11b more slide headache 2021-05-19 02:22:26 -05:00
tildearrow ba2c4f46c6 oh come on OFF stops arpeggio?! 2021-05-19 02:06:13 -05:00
tildearrow 471cd2d68d add some view modes and fix a slide bug 2021-05-19 02:05:24 -05:00
tildearrow 09ed99f0b0 genesis extended channel 3 support. 
as of today Furnace is able to play most Genesis songs without trouble.
bugs are expected, and fixes will arrive.

are you ready?
 2021-05-18 16:02:49 -05:00
tildearrow d9c02531e8 implement E4 effect 2021-05-18 03:02:47 -05:00
tildearrow c766f98719 implement arp speed and arp tick 2021-05-18 02:53:59 -05:00
tildearrow c0f7f12c89 misc fixes and new effects 
- fix 8-bit samples
- 0C effect
- E3 effect
 2021-05-18 02:29:17 -05:00
tildearrow ccd5acf1e4 even. more. volume. slide. fixes. 
so it happens on >volMax too
amazing
 2021-05-18 01:52:03 -05:00
tildearrow 38b16fe5ae fix porta up/down 2021-05-18 01:37:14 -05:00
tildearrow b2908413fe FM: better pitch slide accuracy 
so... it appears that pitch slides in Genesis system aren't truly linear
instead, they are "kind of linear". the frequency isn't linear, and when
it overflows the range of an octave, the high bit changes and the
frequency is shifted right
 2021-05-18 01:20:38 -05:00
tildearrow b34321b556 fix a tiny TL misbehavior 2021-05-18 00:43:00 -05:00
tildearrow ba8c6d8169 it builds on GCC again 2021-05-17 19:18:59 -05:00
tildearrow cf7aa9139c TL change on out op fix 2021-05-17 16:32:56 -05:00
tildearrow 98180c3d23 now fix the volume slides in FM as well 2021-05-17 15:51:12 -05:00
tildearrow ceda9a8058 the final volume fix i think 
all 5 test cases pass
 2021-05-17 15:36:14 -05:00
tildearrow 9736b77401 better volume slide accuracy 
volume slide seems to be kind of quirky:
- sliding all the way down and then up suddenly sets the vol to max
- apparently there is an overflow and the slide stops when it reaches
  its boundaries (instead of continuing)
 2021-05-17 15:06:11 -05:00
tildearrow 67847d79cf attempt to fix the volume slide mess 
also a fix to noise arps in basic mode in SMS

the volume slides will be an adventure as the behavior seems to be hard
to determine
 2021-05-17 03:06:45 -05:00
tildearrow 53975349e5 more. SMS. fixes. 2021-05-17 01:51:14 -05:00
tildearrow 0caaa1629c are you kidding me? 2021-05-17 00:36:09 -05:00
tildearrow bbd175e8f6 a 2021-05-16 20:49:56 -05:00
tildearrow 3a1019a08c more fixes and tweaks 
memory management party
 2021-05-16 20:49:54 -05:00
tildearrow fbc29e1106 A#7 SMS oddity 2021-05-16 20:10:52 -05:00
tildearrow 2532401265 prepare for ch3 mode 2021-05-16 17:43:10 -05:00
tildearrow 5a8e20fcd1 arp fixed mode 2021-05-16 12:47:05 -05:00
tildearrow 4662e567c2 fix delayed note cut 2021-05-16 03:20:32 -05:00
tildearrow dbc2e6285f a lot of work 
- round to nearest instead of round to zero in SMS period calc
- implement arpeggio
- implement arp macro (kinda)
- polish the SMS platform
- correct the DIV_CMD_PITCH range to 1 semitone
- fix PSG volume in Genesis
- use a better register write strat in Genesis
- fix a bug caused by legacy code
- implement ECxx command
- implement EDxx command
- implement SN noise mode command
- vibrato table is now 64 positions long (instead of 60)
 2021-05-16 03:03:23 -05:00
tildearrow f2c70df4a8 bind SMS platform to Genesis one 2021-05-15 16:59:57 -05:00
tildearrow 3172fd37ed more SMS work 
it is able to play some modules... the next step is to bind this to the
Genesis platform
 2021-05-15 16:42:48 -05:00
tildearrow d9f076ef64 prepare to add SMS platform 
plays but no macro yet
 2021-05-15 14:18:16 -05:00
tildearrow 9a97c38cc6 implement more effects and bugfixes 
enough to play time trax intro near flawless
 2021-05-15 03:13:21 -05:00
tildearrow eb692ca9a9 implement several effects 
volume slides, vibrato, slides and portamento
 2021-05-14 14:16:48 -05:00
tildearrow 775b88dae2 more playback work 2021-05-14 03:23:40 -05:00
tildearrow 5b002ca1d5 add SN chip ported from MAME 2021-05-14 03:23:12 -05:00
tildearrow d57a30e717 optimize by 0% 2021-05-13 13:22:44 -05:00
tildearrow 76a345ef25 rebranding 2021-05-13 03:22:57 -05:00
tildearrow c5fa0a3d6d it doesn't... 2021-05-13 03:18:54 -05:00
tildearrow cb1c96ff1d add a register write cache 
improves quality and... wait!
 2021-05-13 03:09:56 -05:00
tildearrow 45a6d70479 massive improvements to genesis playback 2021-05-13 02:39:26 -05:00
tildearrow ea5c28829e or 2021-05-12 19:18:48 -05:00
tildearrow 062a9837c0 G E N E S I S 
without SN
 2021-05-12 17:19:18 -05:00
tildearrow a68f8d0dec add some basic playback code! 
here it begins
 2021-05-12 05:22:01 -05:00
tildearrow f810fc0c3c earliest playback 
no sound, just terminal output
 2021-05-12 03:58:55 -05:00
tildearrow 9d17655836 engine audio fixes 2021-05-11 18:23:35 -05:00
tildearrow 8c014802c9 convert chars to signed/unsigned 2021-05-11 15:26:38 -05:00
tildearrow 783d56c72a initial commit 
took me a day to make the base...
...and ~12 hours to write a reader that reads 100% of all demo songs in
1.0
 2021-05-11 15:08:08 -05:00