From 4f8e36e11ad31367f45798b41e72976a0e4841e6 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Wed, 5 Dec 2018 17:34:18 -0500
Subject: [PATCH] rulechan.cpp: Please don't include nonstandard headers or use
 fake XTAL values for derived clocks (nw)

---
 src/mame/drivers/rulechan.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mame/drivers/rulechan.cpp b/src/mame/drivers/rulechan.cpp
index 5eac5855c19..1314def4a75 100644
--- a/src/mame/drivers/rulechan.cpp
+++ b/src/mame/drivers/rulechan.cpp
@@ -149,10 +149,9 @@
 
 #define CPU_CLOCK       XTAL(8'000'000)
 #define VID_CLOCK       XTAL(10'730'000)
-#define TMS_CLOCK       XTAL(1'750'000)
+#define TMS_CLOCK       (VID_CLOCK / 24)
 #define VDP_MEM         0x20000  // 4x 4464 (64K x 4 DRAM)
 
-#include <conio.h>
 #include "emu.h"
 #include "cpu/z80/z80.h"
 #include "machine/nvram.h"