SD6830 Datasheet, PDF (28/34 Pages) AUK corp – 4BIT MICROCONTROLLER

LDL n
SD6830
Binary code : 0100xxxx
Syntax
: [<label>] LDL n
Operation : (A) n, n = 0 ~ 15 ( n must be decimal number )
Flags
: CY : Unaffected
SF : Unaffected
Words/Cycles : 1/1
Description : Loads an immediate data to the register L. Skip this instruction if it was
used just before.
Example
: LDA 3
LDL 8 ; Load 8 to L
LDL 4 ; It is skipped because this instruction was used just before
JMP 0C0 ; Jump to 0C0
LDZ n
Binary code :
Syntax
:
Operation
:
Flags
:
Words/Cycles :
Description :
Example
:
00110xxx
[<label>] LDZ n
(A) n, n = 0 ~ 7 ( n must be decimal number )
CY : Unaffected
SF : Unaffected
1/1
Load an immediate data into the register Z.
LDZ 0 ; Load 0 into Z. The 0 must be decimal number
NOP
Binary code : 00000000
Syntax
: [<label>] NOP
Operation
: (PC) (PC) + 1
Flags
: CY : Unaffected
SF : Unaffected
Words/Cycles : 1/1
Description : No operation.
Example
: NOP ; No operation
KSI-W002-000
28