summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/machine/upd765.cpp
diff options
context:
space:
mode:
author Olivier Galibert <galibert@pobox.com>2022-09-03 23:55:53 +0200
committer Olivier Galibert <galibert@pobox.com>2022-09-06 19:04:46 +0200
commitef8ac6eee82fb1c033cf32925ffdcdac146b51f1 (patch)
treecc18d3622e64ab62679ccf1aa6b447bb397bbc0e /src/devices/machine/upd765.cpp
parent6563dfe9cf93c4e39b3ea9caa73c050147644075 (diff)
* new WORKING machine
---- MTU-130 [Olivier Galibert, David Williams, Disk Blitz, Eric Wright]
Diffstat (limited to 'src/devices/machine/upd765.cpp')
-rw-r--r--src/devices/machine/upd765.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/devices/machine/upd765.cpp b/src/devices/machine/upd765.cpp
index 4996093e0bd..acf4182fecc 100644
--- a/src/devices/machine/upd765.cpp
+++ b/src/devices/machine/upd765.cpp
@@ -548,6 +548,8 @@ uint8_t upd765_family_device::fifo_r()
uint8_t r = 0xff;
switch(main_phase) {
case PHASE_CMD:
+ if(machine().side_effects_disabled())
+ return 0x00;
if(command_pos)
fifo_w(0xff);
LOGFIFO("fifo_r in command phase\n");