Hitachi H8S/2633 Hardware Manual page 1007

Instruction H
SUB
SUBS — — — — —
SUBX
TAS* —
TRAPA — — — — —
XOR —
XORC
Note: * This instruction should be used with the ER0, ER1, ER4, or ER5 general register only.
N Z V C Definition
H = Sm–4 · Dm–4 + Dm–4 · Rm–4 + Sm–4 · Rm–4
N = Rm
Z = Rm · Rm–1 · ...... · R0
V = Sm · Dm · Rm + Sm · Dm · Rm
C = Sm · Dm + Dm · Rm + Sm · Rm
H = Sm–4 · Dm–4 + Dm–4 · Rm–4 + Sm–4 · Rm–4
N = Rm
Z = Z' · Rm · ...... · R0
V = Sm · Dm · Rm + Sm · Dm · Rm
C = Sm · Dm + Dm · Rm + Sm · Rm
0 — N = Dm
Z = Dm · Dm–1 · ...... · D0
0 — N = Rm
Z = Rm · Rm–1 · ...... · R0
Stores the corresponding bits of the result.
No flags change when the operand is EXR.
995