Zilog Z8F0130 Manual de usuario descargar pdf (Pagina 249)

eZ8

™

CPU Core

User Manual

UM012820-0810 SUB Instruction

234

SUB R15, @R10



Object Code: 23 FA

The D flag is set, and the C, Z, S, V, and H flags are cleared.

If Register 34h contains the value 2Eh, and Register 12h contains the

value

1bh, the following statement leaves the value 13h in Register 34h,

sets the D flag, and clears the C, Z, S, V, and H flags are cleared:

SUB

34h

12h

Object Code: 24 12 34

If Register 4Bh contains the value 82h, Working Register R3 contains the

value

10h, and Register 10h contains the value 01h, the following state-

ment leaves the value 81h in Register 4Bh, sets the D and S flags and

clears the C, Z, V, and H flags are cleared:

SUB

4Bh

, @R3



Object Code: 25 E3 4B

If Register 6Ch contains the value 2Ah, the following statement leaves the

value

27h in Register 6Ch, sets the D flag, and clears the C, Z, S, V, and H

flags are cleared:

SUB

6Ch

, #03h



Object Code: 26 6C 03

If Register D4h contains the value 5Fh, Register 5Fh contains the value

4Ch, the following statement leaves the value 4Ah in Register 5Fh, sets

the D flag, and clears the C, Z, S, V, and H flags:

SUB @

D4h

, #02h



Object Code: 27 D4 02

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Zilog Z8F0130 Manual de usuario Pagina 249

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