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Author SHA1 Message Date
Adrian Conlon
88117398ef Add interrupt signal generation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:47:43 +01:00
Adrian Conlon
13fed631d4 Correct some cycle counting assertion failures. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:46:53 +01:00
Adrian Conlon
e5e6d02845 Correct keypad interrupt generation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:24:25 +01:00
Adrian Conlon
66b870bb78 First stage refactoring CPU instruction execution (to hopefully allow display interrupt interleave) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 15:28:25 +01:00
Adrian Conlon
da438ffb85 Try to get better cycle count/adjustments. 2017-09-30 00:03:42 +01:00
Adrian.Conlon
794d0fa361 First stab at GB -> linux 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-26 22:59:21 +01:00
Adrian.Conlon
04b6835cf4 Whoops: dangling assert from old audio code. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 23:40:26 +01:00
Adrian.Conlon
dbe5f7f8e5 Prepare the LR35902 to allow use of the Blargg gb sound library. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 22:56:11 +01:00
Adrian.Conlon
053d649124 Whoops: correct or/and muddle in the volume envelope. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 11:19:01 +01:00
Adrian.Conlon
210286514e Calculate voice step length adjustments. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:26:06 +01:00
Adrian.Conlon
5084d85e49 Wire envelope amplitude shaping. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:07:30 +01:00
Adrian.Conlon
09f7fe5dfe Couple of small "documentation" changes. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-22 22:09:57 +01:00
Adrian.Conlon
78b6e7b339 Remove dump logging, it was never overly useful anyway. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-22 19:17:34 +01:00
Adrian.Conlon
1a1d5ea807 Start the process of audio frame generation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-22 09:30:27 +01:00
Adrian.Conlon
a4cdc2bcb5 Correct int/bool cast warning 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-22 09:29:05 +01:00
Adrian.Conlon
531d5d6d6b Refactor the Audio header into declaration/definition files. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 23:43:33 +01:00
Adrian.Conlon
877618f973 Wire audio frame counter (tbc) 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 21:26:52 +01:00
Adrian.Conlon
cd63636895 Move some constants from static methods to enumerations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 20:08:37 +01:00
Adrian.Conlon
7830c29f6a Update audio custom wave pattern data. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 10:36:52 +01:00
Adrian.Conlon
32a585a980 Correct warning. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-20 22:33:43 +01:00
Adrian.Conlon
acf0c53e1a Move the audio data (hopefully) correctly between the registers and the audio device. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-20 20:53:04 +01:00
Adrian.Conlon
ca0b768ac5 More Noise Register to Audo structure conversions. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-20 00:38:35 +01:00
Adrian.Conlon
e06a092b2a First stab at audio initialisation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-19 23:11:50 +01:00
Adrian.Conlon
685a645674 1) Correct frequency hi/lo storage 
2) Calculate resultant frequency in Hz.
3) Add extra logging for audio device register writes.

Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-18 19:17:38 +01:00
Adrian.Conlon
735ebe3e85 Add a couple of missed debugging messages. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 23:07:56 +01:00
Adrian.Conlon
b7924aad62 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-09-17 22:23:36 +01:00
Adrian.Conlon
61ae382a98 A different approach to audio handling. Just holding data at the moment. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 22:19:07 +01:00
Adrian.Conlon
462b82add6 Add some new events for sound updates (TBC) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 09:50:20 +01:00
Adrian.Conlon
ea3f154989 Preliminary support for 16 row high sprites. Don't think it's working! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 09:46:28 +01:00
Adrian Conlon
b3a082944a Gameboy processor is alive! 2017-09-15 22:37:47 +01:00
Adrian.Conlon
07d44966ac Another stab at keyboard scanning. Better, but not perfect... 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 21:25:08 +01:00
Adrian.Conlon
9190b29b4b Remove some unused memory event handlers. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:56:05 +01:00
Adrian.Conlon
26e99f6934 Whoops: broke sprite transparency and flipping! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:29:47 +01:00
Adrian.Conlon
f4c8496882 Generalise tile rendering code for background and sprites. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:23:02 +01:00
Adrian.Conlon
e40ee1d7a6 X/Y sprite flip implemented. Easy! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:48:06 +01:00
Adrian.Conlon
94fe1a7494 Add support for sprite transparencies. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:37:57 +01:00
Adrian.Conlon
f6181400c4 First stab at sprites. Lots of bugs! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:25:55 +01:00
Adrian.Conlon
2060989ac7 Add keyboard interrupt handling (TBC) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 12:35:16 +01:00
Adrian.Conlon
e1b838355e Add P1 (i.e. keyboard) support. Interestingly, gets Tetris *much* further. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 00:53:56 +01:00
Adrian.Conlon
32d1085ecb Start properly implementing IO status register read/write. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-14 23:48:49 +01:00
Adrian.Conlon
b445457b37 Fire pre/post memory read/write events 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-14 15:00:57 +01:00
Adrian.Conlon
a77e57e5fc Add pre/post read/write memory events. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-13 23:12:47 +01:00
Adrian.Conlon
2c92e4d389 Updated for appveyor library location compatibility. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-12 13:30:56 +01:00
Adrian.Conlon
b6ffb07e4b Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-09-10 18:19:54 +01:00
Adrian.Conlon
64d0eb308c Changes for Appveyor compatibility 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-10 18:19:41 +01:00
Adrian.Conlon
0dcc5086d7 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-09-07 20:12:11 +01:00
Adrian.Conlon
3bd647b789 Correct a couple of memory map elements. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 20:11:57 +01:00
Adrian.Conlon
b0923bd472 (Coverity) Initialise Bus variables in constructor. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 13:45:16 +01:00
Adrian.Conlon
c5c842a70b Correct some rom initialisation/loading issues. 2017-09-07 12:23:06 +01:00
Adrian.Conlon
129286f1a7 Ensure LR35902 fuse tests run successfully to completion. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 01:15:28 +01:00