ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 89

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

add
Code: F4
Description: Add Areg and Breg.
Definition:
Status Register:
Comments:
See also: adc addc
if (sum > MostPos)
{
}
else if (sum < MostNeg)
{
}
else
{
}
Breg
Creg
where
Overflow or underflow bit may be set.
Secondary instruction.
section 4.4.
Areg
if (Status
Areg
if (Status
Areg
Status
Status
Creg
Areg
sum
– the value of sum is calculated to unlimited precision
underflo w
overflow
overflow
underflo w
sum
sum
sum
Areg
2
2
set )
set )
BitsPerWord
BitsPerWord
Breg
set
set
8 Instruction Set Reference
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add