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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}

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 215 216

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