From ae602c19f527fbc1f44cdb744cf824d04b8eceb1 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Tue, 7 Dec 2010 00:06:21 +0200
Subject: [PATCH 1/1] improve event handling (still has problems though)

---
 libpcsxcore/cdrom.c              |  8 ++++++--
 libpcsxcore/new_dynarec/emu_if.c | 21 ++++++++++++++++++---
 libpcsxcore/psxdma.h             |  3 +++
 libpcsxcore/psxmem.h             | 13 +++++++++++++
 libpcsxcore/sio.c                |  1 +
 5 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 92e4b7f2..02118657 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -94,12 +94,16 @@ static struct SubQ *subq;
 #define CDR_INT(eCycle) { \
 	psxRegs.interrupt |= 0x4; \
 	psxRegs.intCycle[2 + 1] = eCycle; \
-	psxRegs.intCycle[2] = psxRegs.cycle; }
+	psxRegs.intCycle[2] = psxRegs.cycle; \
+	new_dyna_set_event(0, psxRegs.cycle + eCycle); \
+}
 
 #define CDREAD_INT(eCycle) { \
 	psxRegs.interrupt |= 0x40000; \
 	psxRegs.intCycle[2 + 16 + 1] = eCycle; \
-	psxRegs.intCycle[2 + 16] = psxRegs.cycle; }
+	psxRegs.intCycle[2 + 16] = psxRegs.cycle; \
+	new_dyna_set_event(2, psxRegs.cycle + eCycle); \
+}
 
 #define StartReading(type, eCycle) { \
    	cdr.Reading = type; \
diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 2560eb3a..3df83e43 100644
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -6,12 +6,15 @@
 #include "../psxmem.h"
 #include "../psxhle.h"
 
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
 //#define memprintf printf
 #define memprintf(...)
 //#define evprintf printf
 #define evprintf(...)
 
 char invalid_code[0x100000];
+u32 event_cycles[6];
 
 void MTC0_()
 {
@@ -24,6 +27,9 @@ void MTC0_()
 
 void gen_interupt()
 {
+	u32 c, min;
+	int i;
+
 	evprintf("ari64_gen_interupt\n");
 	evprintf("  +ge %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
 #ifdef DRC_DBG
@@ -32,7 +38,16 @@ void gen_interupt()
 
 	psxBranchTest();
 
-	next_interupt = psxNextsCounter + psxNextCounter;
+	min = psxNextsCounter + psxNextCounter;
+	for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
+		c = event_cycles[i];
+		evprintf("  ev %d\n", c - psxRegs.cycle);
+		if (psxRegs.cycle < c && c < min)
+			min = c;
+	}
+	next_interupt = min;
+
+	//next_interupt = psxNextsCounter + psxNextCounter;
 	evprintf("  -ge %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
 
 	pending_exception = 1; /* FIXME */
@@ -110,7 +125,7 @@ static int ari64_init()
 
 	new_dynarec_init();
 
-	for (i = 0; i < sizeof(readmem) / sizeof(readmem[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(readmem); i++) {
 		readmemb[i] = read_mem8;
 		readmemh[i] = read_mem16;
 		readmem[i] = read_mem32;
@@ -119,7 +134,7 @@ static int ari64_init()
 		writemem[i] = write_mem32;
 	}
 
-	for (i = 0; i < sizeof(gte_handlers) / sizeof(gte_handlers[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(gte_handlers); i++)
 		if (psxCP2[i] != psxNULL)
 			gte_handlers[i] = psxCP2[i];
 
diff --git a/libpcsxcore/psxdma.h b/libpcsxcore/psxdma.h
index 0db6533f..71a3eb05 100644
--- a/libpcsxcore/psxdma.h
+++ b/libpcsxcore/psxdma.h
@@ -33,18 +33,21 @@ extern "C" {
 	psxRegs.interrupt |= 0x01000000; \
 	psxRegs.intCycle[3 + 24 + 1] = eCycle; \
 	psxRegs.intCycle[3 + 24] = psxRegs.cycle; \
+	new_dyna_set_event(3, psxRegs.cycle + eCycle); \
 }
 
 #define SPUDMA_INT(eCycle) { \
     psxRegs.interrupt |= 0x04000000; \
     psxRegs.intCycle[1 + 24 + 1] = eCycle; \
     psxRegs.intCycle[1 + 24] = psxRegs.cycle; \
+    new_dyna_set_event(5, psxRegs.cycle + eCycle); \
 }
 
 #define MDECOUTDMA_INT(eCycle) { \
 	psxRegs.interrupt |= 0x02000000; \
 	psxRegs.intCycle[5 + 24 + 1] = eCycle; \
 	psxRegs.intCycle[5 + 24] = psxRegs.cycle; \
+	new_dyna_set_event(4, psxRegs.cycle + eCycle); \
 }
 
 void psxDma2(u32 madr, u32 bcr, u32 chcr);
diff --git a/libpcsxcore/psxmem.h b/libpcsxcore/psxmem.h
index d9fee002..222e6fbf 100644
--- a/libpcsxcore/psxmem.h
+++ b/libpcsxcore/psxmem.h
@@ -138,6 +138,19 @@ void psxMemWrite16(u32 mem, u16 value);
 void psxMemWrite32(u32 mem, u32 value);
 void *psxMemPointer(u32 mem);
 
+extern u32 event_cycles[6];
+extern u32 next_interupt;
+
+#define new_dyna_set_event(e, c) { \
+	u32 c_ = c; \
+	event_cycles[e] = c_; \
+	if (c_ < next_interupt) { \
+		/*printf("%u: next_interupt %d -> %d\n", psxRegs.cycle, \
+			next_interupt - psxRegs.cycle, c_ - psxRegs.cycle);*/ \
+		next_interupt = c_; \
+	} \
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/libpcsxcore/sio.c b/libpcsxcore/sio.c
index 977c71d1..230bfed1 100644
--- a/libpcsxcore/sio.c
+++ b/libpcsxcore/sio.c
@@ -73,6 +73,7 @@ static inline void SIO_INT() {
 		psxRegs.interrupt |= 0x80;
 		psxRegs.intCycle[7 + 1] = 400;
 		psxRegs.intCycle[7] = psxRegs.cycle;
+		new_dyna_set_event(1, psxRegs.cycle + 400);
 	}
 }
 
-- 
2.39.2