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Diffstat (limited to 'src/devices/machine/tms9914.cpp')
-rw-r--r--src/devices/machine/tms9914.cpp17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/devices/machine/tms9914.cpp b/src/devices/machine/tms9914.cpp
index a2892eed1cd..d2a90589e53 100644
--- a/src/devices/machine/tms9914.cpp
+++ b/src/devices/machine/tms9914.cpp
@@ -28,7 +28,7 @@
#define LOG_INT_MASK (LOG_REG_MASK << 1)
#define LOG_INT(...) LOGMASKED(LOG_INT_MASK, __VA_ARGS__)
#undef VERBOSE
-#define VERBOSE (LOG_GENERAL)
+#define VERBOSE 0
// Bit manipulation
namespace {
@@ -716,7 +716,20 @@ void tms9914_device::update_fsm()
m_sh_vsts = true;
}
if (!get_signal(IEEE_488_NDAC)) {
- LOG("%.6f TX %02x/%d\n" , machine().time().as_double() , m_dio , m_signals[ IEEE_488_EOI ]);
+#if VERBOSE
+ bool iscmd = m_signals[IEEE_488_ATN];
+ char cmd[16] = "";
+ if (iscmd) {
+ uint8_t tmp = m_dio & 0x7f;
+ if (tmp >= 0x20 && tmp <= 0x3f)
+ snprintf(cmd, 16, "MLA%d", tmp & 0x1f);
+ else if (tmp >= 0x40 && tmp <= 0x5f)
+ snprintf(cmd, 16, "MTA%d", tmp & 0x1f);
+ else if (tmp >= 0x60 && tmp <= 0x7f)
+ snprintf(cmd, 16, "MSA%d", tmp & 0x1f);
+ }
+ LOG("%.6f TX %s %02X/%d %s\n" , machine().time().as_double() , m_signals[IEEE_488_ATN] ? "C" : "D", m_dio , m_signals[ IEEE_488_EOI ], cmd);
+#endif
m_sh_state = FSM_SH_SGNS;
}
break;