Zilog Z8F0130 Bedienungsanleitung PDF herunterladen (Seite 234)

eZ8

™

CPU Core

User Manual

UM012820-0810 SBC Instruction

219

SBC R15, @R10



Object Code: 33 FA

If Register 34h contains the value 2Eh, the Carry flag is set, and Register

12h contains the value 1bh, the following statement leaves the value 12h

in Register

34h, sets the D flag, and clears the C, Z, S, V, and H flags:

SBC

34h

12h

Object Code: 34 12 34

If Register 4Bh contains the value 82h, the Carry flag is set, Working

10h, and Register 10h contains the value

01h, the following statement leaves the value 80h in Register 4Bh, sets

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

SBC

4Bh

, @R3



Object Code: 35 E3 4B

If Register 6Ch contains the value 2Ah, and the Carry flag is not set, the

following statement leaves the value

27h in Register 6Ch, sets the D flag,

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

SBC

6Ch

, #03h



Object Code: 36 6C 03

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

4Ch, and the Carry flag is set, the following statement leaves the value

49h in Register 5Fh, sets the D flag, and clears the C, Z, S, V, and H

flags:

SBC @

D4h

, #02h



Object Code: 37 D4 02

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