ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 162

• Manufacturer Part Number: ST20-C1
• Description: Instruction Set Reference Manual
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

unsign
Code: 21 F9
Description: Remove the sign of the value in Areg and exclusive-or it with a sign flag
in Breg.
Definition:
Status Register:
Comments:
See also: divstep
162/205
if (Areg
{
}
else
{
}
No effect
Secondar y instruction
To aid the implementation of signed division.
Breg must be 0 or 1.
section 4.4.
Areg
Breg
Areg
Breg
0)
Breg
Areg
1 - Breg
Areg
unsign argument