Zilog Z86193 Manual do Utilizador descarregar pdf (Página 178)

CPU

User Manual

UM001604-0108 Instruction Description

171

If Working Register R3 contains 16h and Working Register R11 contains 20h, the state-

ment:

CP R3, R11

Op Code: A2 3B

sets the C and S Flags, and the Z and V Flags are cleared.

Example 2

If Working Register R15 contains 16h, Working Register R10 contains 20h, and Register

20h contains 11h, the statement:

CP R16, @R10

Op Code: A3 FA

clears the C, Z, S, and V Flags.

Example 3

If Register 34h contains 2Eh and Register 12h contains 1Bh, the statement:

CP 34h,12h

Op Code: A4 12 34

clears the C, Z, S, and V Flags.

Example 4

If Register 4Bh contains 82h, Working Register R3 contains 10h, and Register 10h con-

tains

01h, the statement:

CP 4Bh, @R3

Op Code: A5 E3 4B

sets the S Flag, and clears the C, Z, and V Flags.

Example 5

If Register 6Ch contains 2Ah, the statement:

CP 6Ch, #2Ah

Op Code: A6 6C 2A

sets the Z Flag, and the C, S, and V Flags are all cleared.

Example 6

If Register D4h contains FCh, and Register FCh contains 8Fh, the statement:

CP @D4h, 7Fh

Op Code: A7 D4 FF

sets the V Flag, and the C, Z, and S Flags are all cleared.

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Zilog Z86193 Manual do Utilizador Página 178