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CMPL
Complement Accumulator
7-64
Syntax CMPL
Operands None
Opcode
0123456789101112131415
1000000001111101
Execution Increment PC, then ...
(ACC)
→ ACC
Status Bits None
Description The contents of the accumulator are replaced with its logical inversion (1s
complement). The carry bit is unaffected.
Words 1
Cycles for a Single CMPL Instruction
ROM
DARAM SARAM External
1 1 1 1+p
Cycles for a Repeat (RPT) Execution of an CMPL Instruction
ROM
DARAM SARAM External
n n n n+p
Example CMPL
Before Instruction After Instruction
ACC X 0F7982513h ACC X 0867DAECh
CC
Cycles