Zilog Z86193 Manual do Utilizador descarregar pdf (Página 233)

100

101

CPU

User Manual

UM001604-0108 Instruction Description

226

of the operand. For example, if Working Register R12 (CH) is the destination operand, then

ECh is used as the destination operand in the Op Code.

Example 1

If the contents of Register C6h are DDh (11011101b) and the C Flag is reset, the state-

ment:

RRC C6h

Op Code: C0 C6

leaves the value 6Eh (01101110b) in register C6h. The C and V Flags are set, and the Z

and S Flags are cleared.

Example 2

If the contents of Register 2Ch are EDh, the contents of Register EDh is ← (00000000b),

and the C Flag is reset, the statement:

RRC @2Ch

Op Code: C1 2C

leaves the value 02h (00000010b) in Register EDh. The C, Z, S, and V Flags are reset.

Edst

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