Zilog Z16F2810 Manuel d'utilisateur Page 169

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Vue de la page 168
UM018809-0611 SDIV Instruction
ZNEO
®
CPU Core
User Manual
153
Flags
Syntax and Opcodes
Example
Before:
R4=FFFF_FFE5H (–27), R5=0000_0005H
SDIV R4, R5 ;Object code AF54
After:
R4=FFFF_FFFBH (–5), R5=FFFF_FFFEH, Flags S=1; Z, V, B=0
76543210
C Z S V B CIRQE IRQE
* * *0–––
Legend
C = No change.
Z = Set to 1 if bits [31:0] of the integer part are zero; otherwise set to 0.
S = Set to 1 if bit [31] of the integer part is 1; otherwise set to 0.
V = Set if an overflow causes the Sign flag to be incorrect. The result can still be used as an
unsigned value.
B = Cleared to 0.
CIRQE = No change
IRQE = No change.
Instruction, Operands Word 0 Word 1 Word 2
SDIV Rd, Rs {AFH, Rs, Rd}
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