TC1796
System Units (Vol. 1 of 2)
Peripheral Control Processor (PCP)
User’s Manual 11-96 V2.0, 2007-07
PCP, V2.0
11.11.24 NEG, Negate
This section describes the NEG instruction of the PCP.
11.11.25 NOP, No Operation
This section describes the NOP instruction of the PCP.
11.11.26 NOT, Logical NOT
This section describes the NOT instruction of the PCP.
NEG Syntax NEG Rb, Ra, cc_A
Description If condition CONDCA is true, then move the 2’s complement
of the contents of register Ra into register Rb. If CONDCA is
false, no operation is performed.
Operation if (CONDCA = True) then R[b] = (- R[a]) else NOP
Flags N, Z, V, C
NOP Syntax NOP
Description No operation. The NOP instruction puts the PCP in low-
power operation.
Operation no operation
Flags None
NOT Syntax NOT Rb, Ra, cc_A
Description If condition CONDCA is true, then move the 1’s complement
of the contents of register Ra into register Rb. If CONDCA is
false, no operation is performed.
Operation if (CONDCA = True) then R[b] = NOT(R[a]) else NOP
Flags N, Z
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