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32x: rework scheduling/timing
[picodrive.git]
/
cpu
/
sh2
/
sh2.c
diff --git
a/cpu/sh2/sh2.c
b/cpu/sh2/sh2.c
index
937f8e4
..
7b9f9a1
100644
(file)
--- a/
cpu/sh2/sh2.c
+++ b/
cpu/sh2/sh2.c
@@
-63,23
+63,27
@@
void sh2_do_irq(SH2 *sh2, int level, int vector)
// sh2->icount -= 13;
}
// sh2->icount -= 13;
}
-
void
sh2_irl_irq(SH2 *sh2, int level, int nested_call)
+
int
sh2_irl_irq(SH2 *sh2, int level, int nested_call)
{
{
+ int taken;
+
sh2->pending_irl = level;
if (level < sh2->pending_int_irq)
level = sh2->pending_int_irq;
sh2->pending_level = level;
sh2->pending_irl = level;
if (level < sh2->pending_int_irq)
level = sh2->pending_int_irq;
sh2->pending_level = level;
- if (!nested_call) {
- // not in memhandler, so handle this now (recompiler friendly)
- // do this to avoid missing irqs that other SH2 might clear
- if (level > ((sh2->sr >> 4) & 0x0f)) {
+ taken = (level > ((sh2->sr >> 4) & 0x0f));
+ if (taken) {
+ if (!nested_call) {
+ // not in memhandler, so handle this now (recompiler friendly)
+ // do this to avoid missing irqs that other SH2 might clear
int vector = sh2->irq_callback(sh2, level);
sh2_do_irq(sh2, level, vector);
}
int vector = sh2->irq_callback(sh2, level);
sh2_do_irq(sh2, level, vector);
}
+ else
+ sh2->test_irq = 1;
}
}
- else
- sh2->test_irq = 1;
+ return taken;
}
void sh2_internal_irq(SH2 *sh2, int level, int vector)
}
void sh2_internal_irq(SH2 *sh2, int level, int vector)