From 505ec70d1553ffcadb3b4a9a93459f303a42af62 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Sat, 3 Aug 2019 00:14:50 -0400
Subject: [PATCH] upd7810: Fix breakpoints; add notes

---
 src/devices/cpu/upd7810/upd7810.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/devices/cpu/upd7810/upd7810.cpp b/src/devices/cpu/upd7810/upd7810.cpp
index c2e5c3952a8..54bc5e3757e 100644
--- a/src/devices/cpu/upd7810/upd7810.cpp
+++ b/src/devices/cpu/upd7810/upd7810.cpp
@@ -8,6 +8,10 @@
  *  This work is based on the
  *  "NEC Electronics User's Manual, April 1987"
  *
+ *   NEC called this MCU family "μCOM-87" or "87AD" (7810 and up). It is
+ *   not to be confused with the later and incompatible 78K family, though
+ *   its architectural influence is acknowledged.
+ *
  * NS20030115:
  * - fixed INRW_wa()
  * - TODO: add 7807, differences are listed below.
@@ -1903,9 +1907,9 @@ void upd7810_device::execute_run()
 	{
 		int cc;
 
+		PPC = PC;
 		debugger_instruction_hook(PC);
 
-		PPC = PC;
 		RDOP(OP);
 
 		/*