eliminate event code duplication

[pcsx_rearmed.git] / libpcsxcore / psxevents.h

diff --git a/libpcsxcore/psxevents.h b/libpcsxcore/psxevents.h
new file mode 100644 (file)
index 0000000..2f84a4a
--- /dev/null
+++ b/libpcsxcore/psxevents.h
@@ -0,0 +1,52 @@
+#ifndef __PSXEVENTS_H__
+#define __PSXEVENTS_H__
+
+#include "psxcommon.h"
+
+enum {
+       PSXINT_SIO = 0,      // sioInterrupt
+       PSXINT_CDR,          // cdrInterrupt
+       PSXINT_CDREAD,       // cdrPlayReadInterrupt
+       PSXINT_GPUDMA,       // gpuInterrupt
+       PSXINT_MDECOUTDMA,   // mdec1Interrupt
+       PSXINT_SPUDMA,       // spuInterrupt
+       PSXINT_UNUSED,       //
+       PSXINT_MDECINDMA,    // mdec0Interrupt
+       PSXINT_GPUOTCDMA,    // gpuotcInterrupt
+       PSXINT_CDRDMA,       // cdrDmaInterrupt
+       PSXINT_NEWDRC_CHECK, // (none)
+       PSXINT_RCNT,         // psxRcntUpdate
+       PSXINT_CDRLID,       // cdrLidSeekInterrupt
+       PSXINT_IRQ10,        // irq10Interrupt
+       PSXINT_SPU_UPDATE,   // spuUpdate
+       PSXINT_COUNT
+};
+
+extern u32 event_cycles[PSXINT_COUNT];
+extern u32 next_interupt;
+extern int stop;
+
+#define set_event_raw_abs(e, abs) { \
+       u32 abs_ = abs; \
+       s32 di_ = next_interupt - abs_; \
+       event_cycles[e] = abs_; \
+       if (di_ > 0) { \
+               /*printf("%u: next_interupt %u -> %u\n", psxRegs.cycle, next_interupt, abs_);*/ \
+               next_interupt = abs_; \
+       } \
+}
+
+#define set_event(e, c) do { \
+       psxRegs.interrupt |= (1 << (e)); \
+       psxRegs.intCycle[e].cycle = c; \
+       psxRegs.intCycle[e].sCycle = psxRegs.cycle; \
+       set_event_raw_abs(e, psxRegs.cycle + (c)) \
+} while (0)
+
+union psxCP0Regs_;
+u32  schedule_timeslice(void);
+void irq_test(union psxCP0Regs_ *cp0);
+void gen_interupt(union psxCP0Regs_ *cp0);
+void events_restore(void);
+
+#endif // __PSXEVENTS_H__