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Commit graph pcem/src/sound_pssj.c
Author SHA1 Message Date
SarahW
a7d006b637 Rewrote timer code. 
The new code is based on timestamps, rather than delays. This eliminates the
need to update every timer in timer_process(), which cost a non-trivial amount
of CPU time on low-end machines.

This involved changes to every user of the timer code, so this change almost
certainly introduces bugs.
 2018-08-02 22:06:10 +01:00
SarahW
6e51e8975e Sound buffer size now configurable. 2017-06-10 21:00:23 +01:00
SarahW
2b892d2a7a Fixed compiler warnings for Windows builds. 
Added -Werror to Windows makefiles.
 2017-04-11 19:34:41 +01:00
SarahW
d2b6ea7fa3 Mix sound sources in 32-bit buffer, then clip to 16-bit for output. Fixes overflow in some situations, eg MegaRace on SB16. 2016-05-22 16:04:19 +01:00
SarahW
61d7cf2276 Added PS/1 Audio Card emulation. 2016-04-13 21:56:15 +01:00
TomW
3a57341837 Refactored sound code - slight speedup. 2016-02-10 20:49:28 +00:00
TomW
2ca86ba028 Added support for Tandy 1000 HX and SL/2. As part of this commit : 
- FDC now selects drive number from DOR (0x3f2)
- FDC now fails seeks on drives > 1
- XT systems no longer have BIOS mapping at E0000-EFFFF
- SN76489 now distinguishes between SN76496 (PCjr and early Tandy 1000), NCR8496 (later Tandy 1000 - different noise handling) and PSSJ
- Removed redundant limits on memory configuration - allows selection of 768k for Tandy 1000 SL/2
 2015-12-03 21:48:10 +00:00