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Rewrote timer code.

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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.
This commit is contained in:
SarahW 2018-08-02 22:06:10 +01:00
commit a7d006b637
79 changed files with 1050 additions and 1033 deletions
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13
src/ibm.h
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@ -2,6 +2,8 @@
#include <stdint.h>
#include <string.h>
#include "timer.h"
#ifdef ABS
#undef ABS
#endif
@ -296,7 +298,7 @@ typedef struct PIT_nr
typedef struct PIT
{
uint32_t l[3];
int c[3];
pc_timer_t timer[3];
uint8_t m[3];
uint8_t ctrl,ctrls[3];
int wp,rm[3],wm[3];
@ -378,7 +380,6 @@ PIC pic,pic2;
extern int pic_intpending;
int disctime;
char discfns[2][256];
int driveempty[2];
@ -527,10 +528,10 @@ extern int changeframecount;
/*Sound*/
int ppispeakon;
float CGACONST;
float MDACONST;
float VGACONST1,VGACONST2;
float RTCCONST;
extern uint64_t CGACONST;
extern uint64_t MDACONST;
extern uint64_t VGACONST1,VGACONST2;
extern uint64_t RTCCONST;
int gated,speakval,speakon;