From 4603e5e51a08eb852faad7a68b6cebfe44d588b7 Mon Sep 17 00:00:00 2001 From: "R. Belmont" Date: Fri, 21 Feb 2014 04:10:25 +0000 Subject: [PATCH] (nw) --- src/mess/machine/lisa.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/mess/machine/lisa.c b/src/mess/machine/lisa.c index 4804ec2c36c..b6a5a4794fd 100644 --- a/src/mess/machine/lisa.c +++ b/src/mess/machine/lisa.c @@ -243,8 +243,9 @@ void lisa_state::COPS_queue_data(const UINT8 *data, int len) m_fifo_size++; } - /*logerror("COPS_queue_data : trying to send data to VIA\n");*/ - COPS_send_data_if_possible(); + // do not try to send immediately here, the VIA is set to latch mode so + // sending too soon after a command can result in the DDR not yet being + // returned to input and the first byte gets trashed } }