Hitachi H8S/2646 Hardware Manual page 889

Instruction H N
SUB
SUBS — — — — —
SUBX
TAS —
TRAPA — — — — —
XOR —
XORC
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.
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