SD6830P AUK [AUK corp], SD6830P Datasheet - Page 29

• Manufacturer Part Number: SD6830P
• Description: 4BIT MICROCONTROLLER
• Manufacturer: AUK [AUK corp]

NOT
Binary code
Syntax
Operation
Flags
Words/Cycles
Description
Example
RET
Binary code
Syntax
Operation
Flags
Words/Cycles
Description
Example
RRC
Binary code
Syntax
Operation
Flags
Words/Cycles
Description
Example
: SETB CY ; Set CY to one.
:
: 00011101
: 00010011
:
:
: [<label>] RET
: [<label>] RRC
:
:
:
: (PC) ← (SK0), (SK0) ← (SK1)
: CY: Unaffected
: (A.b) ← (A.b+1) (A.3) ← (CY) (CY) ← (A.0)
: Returns from the subroutine to main routine.
: Shifts the contents of accumulator 1-bit to the right through the carry.
: RET ; Returns from the subroutine to main routine
:
:
:
:
SF: Unaffected
SF : Unaffected
LDA
RRC
CY : Set to bit 0 of the accumulator
The carry bit content shifts into the bit 3 of accumulator, and the bit 0 of
accumulator is shifted into the carry bit.
1/1
1/1
00010111
[<label>] NOT
(A) ← /(A)
SF : Unaffected
CY : Unaffected
The contents of accumulator are 1
1/1
LDA 7
NOT
5
; 1’s complement 7, then leaves 8 in A
; CY becomes zero, and the contents of A is 11
; Load 5 to A
KSI-W002-000
SD6830
29