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Mostek z80 - Page 40

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3-4
TABLE
3.1
ERRORS
***
ERROR
60
INVALID
SYNTAX
This
message
is
generated
if
the
wrong number
or
type
of
operands
for
a
command
are
entered.
***
ERROR
61
TARGET
NOT
FUNcrIONAL
This
message
is
generated
when
the
system
is
first
initialized
if
a
write
to
the
interface
RAM
does
not
function
properly.
This
may
be
caused
by
the
lack
of
Target
clock
or
power.
***
ERROR
62
TARGET
OOES
NOT
RESPOND
This
message
is
generated
when
the
system
is
first
initialized
if
the
Target
Z80
CPU
does
not
begin
execution
in
the
interface
RAM
properly.
This
may
be
caused
if
the
signals
RESET,
BUSRQ,
or
WAIT
are
active
during
initializa
tion.
***
ERROR
63
TARGET
HANDSHAKE
TlMEOlJI'
This
message
is
generated
if
a
Target
access
is
attempted
when
the
Target
Z80
CPU
is
not
executing
in
the
interface
RAM
properly.
This
may
be
caused
if
the
signals
BUSRQ
or
WAIT
are
active
during
the
access.
***
ERROR
64
INVALID
MNEMONIC
This
message
is
generated
if
the
user
enters
a mnemonic
which
is
not
recognized
by
the
system.
TABLE
3.2
lists
the
valid
mnemonics.
***
ERROR
65
OPERATION
NOT
ALLOWED
WHEN
EXECUTING

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