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author Vas Crabb <vas@vastheman.com>2025-12-27 04:55:41 +1100
committer Vas Crabb <vas@vastheman.com>2025-12-27 04:55:41 +1100
commita94de09120cf3340af04ade68dc882b71e615ebf (patch)
treef06d00067afaa8551868da401d1187976b74451a /src/devices/bus
parent939f3126e321254a1d943e8a49827843c1e0c574 (diff)
machine/tms9914.cpp: Suppress side effects for debugger reads.
Also use "English" spacing.
Diffstat (limited to 'src/devices/bus')
-rw-r--r--src/devices/bus/a2bus/a2ieee488.cpp8
1 files changed, 2 insertions, 6 deletions
diff --git a/src/devices/bus/a2bus/a2ieee488.cpp b/src/devices/bus/a2bus/a2ieee488.cpp
index 4707b463d77..109e1ad0ea7 100644
--- a/src/devices/bus/a2bus/a2ieee488.cpp
+++ b/src/devices/bus/a2bus/a2ieee488.cpp
@@ -85,6 +85,7 @@
#include "bus/ieee488/ieee488.h"
#include "machine/tms9914.h"
+
namespace {
class a2bus_ieee488_device:
@@ -166,12 +167,7 @@ a2bus_ieee488_device::a2bus_ieee488_device(const machine_config &mconfig, device
uint8_t a2bus_ieee488_device::read_c0nx(uint8_t offset)
{
- uint8_t data = 0xff;
- if (!machine().side_effects_disabled())
- {
- data = m_tms9914->read(offset & 0x07);
- }
- return data;
+ return m_tms9914->read(offset & 0x07);
}
void a2bus_ieee488_device::write_c0nx(uint8_t offset, uint8_t data)