ZiLOG eZ80 User Manual

eZ80
®
CPU
User Manual
UM007714-0908 CPU Instruction Set
335
SBC HL, rr
Subtract with Carry
Operation
HL ← HL – rr – C
Description
The rr operand is any of the multibyte CPU registers BC, DE, or HL. The rr operand and
the Carry Flag (C) are subtracted from the contents of the HL register. The result is written
to HL.
Condition Bits Affected
Attributes
kk identifies either the BC, DE, HL, or SP multibyte register and is assembled into one of
the Opcodes indicated in Table 95.
S Set if result is negative; reset otherwise.
Z Set if result is 0; reset otherwise.
H Set if borrow from bit 12; reset otherwise.
P/V Set if overflow; reset otherwise.
N Set.
C Set if borrow; reset otherwise.
Mnemonic Operand ADL Mode Cycle Opcode (hex)
SBC HL,rr X2ED, kk
SBC.S HL,rr 1352, ED, kk
SBC.L HL,rr 0349, ED, kk

ZiLOG eZ80 Specifications

General

Brand	ZiLOG
Model	eZ80
Category	Computer Hardware
Language	English