diff options
author | Olivier Galibert <galibert@pobox.com> | 2022-09-03 23:55:53 +0200 |
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committer | Olivier Galibert <galibert@pobox.com> | 2022-09-06 19:04:46 +0200 |
commit | ef8ac6eee82fb1c033cf32925ffdcdac146b51f1 (patch) | |
tree | cc18d3622e64ab62679ccf1aa6b447bb397bbc0e /src/devices/machine/upd765.cpp | |
parent | 6563dfe9cf93c4e39b3ea9caa73c050147644075 (diff) |
* new WORKING machine
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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.cpp | 2 |
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"); |