From 434ea845de58f733318ca05512fdf409615dc623 Mon Sep 17 00:00:00 2001
From: Gyorgy Szombathelyi <gyurco@freemail.hu>
Date: Mon, 21 Oct 2019 19:52:32 +0200
Subject: [PATCH] Archie: transfer hsync to cpuclk domain for using in MEMC

---
 cores/archie/rtl/archimedes_top.v | 8 +++++---
 cores/archie/rtl/vidc.v           | 4 ++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/cores/archie/rtl/archimedes_top.v b/cores/archie/rtl/archimedes_top.v
index f2173ff..bf02d73 100644
--- a/cores/archie/rtl/archimedes_top.v
+++ b/cores/archie/rtl/archimedes_top.v
@@ -125,6 +125,7 @@ module archimedes_top(
 
 (*KEEP="TRUE"*)wire			rom_low_cs/* synthesis keep */ ;
 wire [5:0]						ioc_cin, ioc_cout;
+wire hsync_cpu;
 
 a23_core ARM(
 
@@ -182,7 +183,7 @@ memc MEMC(
 	.mem_cti_o		( MEM_CTI_O		),
 	
 	// vidc interface
-	.hsync			( HSYNC			),
+	.hsync			( hsync_cpu		),
 	.flybk			( vid_flybk		),
 	.vidrq			( vid_req		),
 	.vidak			( vid_ack		),
@@ -211,7 +212,8 @@ vidc VIDC(
 	  .cpu_dat	( cpu_dat_o	),
 
 	  // memc 
-	  .flybk		( vid_flybk	),
+	  .flybk		( vid_flybk	),
+	  .hsync_cpu	( hsync_cpu ),
 	  .vidak		( vid_ack	),
 	  .vidrq		( vid_req	),
 	  .sndak		( snd_ack	),
@@ -303,7 +305,7 @@ podules PODULES(
 
 	.wb_dat_o		( pod_dat_o				),
 	.wb_dat_i		( cpu_dat_o[15:0]		),
-	.wb_adr			( cpu_address[15:2]		),
+	.wb_adr			( cpu_address[15:2]		)
 );
 
 wire [7:0]  floppy_dat_o;
diff --git a/cores/archie/rtl/vidc.v b/cores/archie/rtl/vidc.v
index e513185..fb129d6 100644
--- a/cores/archie/rtl/vidc.v
+++ b/cores/archie/rtl/vidc.v
@@ -46,7 +46,8 @@ module vidc(
 	    output 		 	sndrq,
         
 	    output 	 		flybk,
-	    
+	    output reg		hsync_cpu,
+
 	    // video outputs
 	    output 	 		hsync,
 	    output 	 		vsync,
@@ -102,7 +103,6 @@ wire		snd_load;
 // internal data request lines
 wire		currq_int;
 wire		vidrq_int;
-reg         hsync_cpu;
 
 reg      cepix;