题目内容

PUSH/POP instructions support only ( )addressing mode.

A. register
B. immediate
C. direct
D. register indirect

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Instruction “MOVX A, @DPTR” is a valid 8051 instruction. ( )

Instruction “RLC R0” is a valid 8051 instruction. ( )

Instruction “CPL P1.0” is a valid 8051 instruction. ( )

Instruction “POP A” is a valid 8051 instruction. ( )

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