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-rw-r--r--src/emu/cpu/tms9900/tms9995.c2
-rw-r--r--src/emu/machine/at29x.c3
2 files changed, 3 insertions, 2 deletions
diff --git a/src/emu/cpu/tms9900/tms9995.c b/src/emu/cpu/tms9900/tms9995.c
index d561a0550c9..ae9248fd82d 100644
--- a/src/emu/cpu/tms9900/tms9995.c
+++ b/src/emu/cpu/tms9900/tms9995.c
@@ -1412,7 +1412,7 @@ void tms9995_device::decode(UINT16 inst)
if (decoded == NULL)
{
// not found
- logerror("tms9995: Unknown opcode %04x, will trigger MID\n", inst);
+ logerror("tms9995: Undefined opcode %04x at logical address %04x, will trigger MID\n", inst, PC);
m_decoded[dindex].IR = 0;
m_decoded[dindex].command = MID;
}
diff --git a/src/emu/machine/at29x.c b/src/emu/machine/at29x.c
index 0174c355409..440645b4c00 100644
--- a/src/emu/machine/at29x.c
+++ b/src/emu/machine/at29x.c
@@ -251,6 +251,7 @@ READ8_MEMBER( at29x_device::read )
m_programming_timer->adjust(attotime::from_msec(m_cycle_time*7/10));
}
+ if (TRACE_READ) logerror("%s: DATA poll; toggle bit 1\n", tag());
reply = m_toggle_bit? 0x02 : 0x00;
m_toggle_bit = !m_toggle_bit;
@@ -264,7 +265,7 @@ READ8_MEMBER( at29x_device::read )
// Simple case: just read the memory contents
reply = m_eememory[offset+2];
- if (TRACE_READ) logerror("%s: %05x -> %02x\n", tag(), offset, reply);
+ if (TRACE_READ) logerror("%s: %05x -> %02x (PGM=%d)\n", tag(), offset, reply, m_pgm);
return reply;
}