From 007469659f313c71b7974590d658c77d2e117371 Mon Sep 17 00:00:00 2001 From: angelosa Date: Sun, 23 Nov 2025 19:09:20 +0100 Subject: bus/nscsi/dtc510.cpp: speed up the data byte period a bit --- src/devices/bus/nscsi/dtc510.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/devices/bus/nscsi/dtc510.cpp b/src/devices/bus/nscsi/dtc510.cpp index 3861e6f2201..203563bc4e2 100644 --- a/src/devices/bus/nscsi/dtc510.cpp +++ b/src/devices/bus/nscsi/dtc510.cpp @@ -248,7 +248,9 @@ void nscsi_dtc510_device::scsi_put_data(int id, int pos, uint8_t data) // Byte transfer rate (5Mb/s) attotime nscsi_dtc510_device::scsi_data_byte_period() { - return attotime::from_nsec(1600); + // Too slow, won't complete a DMA cycle when fetching IPL for pc9801 + // return attotime::from_nsec(1600); + return attotime::from_nsec(1100); } // Command execution delay -- cgit v1.2.3