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A-125
INSTRUCTION SET REFERENCE
[Encoding]
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: SUB
(WRj) ← (WRj) – #data16
SUB DRk,#data16
Binary Mode Source Mode
Bytes: 54
States: 65
[Encoding]
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: SUB
(DRk) ← (DRk) – #data16
SUB Rm,dir8
Binary Mode Source Mode
Bytes: 43
States: 3† 2†
†If this instruction addresses a port (P
x
,
x
= 0–3), add 1 state.
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: SUB
(Rm) ← (Rm) – (dir8)
SUB WRj,dir8
Binary Mode Source Mode
Bytes: 43
States: 43
Hex Code in: Binary Mode = [A5][Encoding]
Source Mode = [Encoding]
Operation: SUB
(WRj) ← (WRj) – (dir8)
1 0 0 1 1 1 1 0 t t t t 0 1 0 0 #data hi #data low
1 0 0 1 1 1 1 0 u u u u 1 0 0 0 #data hi #data low
[Encoding] 1 0 0 1 1 1 1 0 s s s s 0 0 0 1 direct addr
[Encoding] 1 0 0 1 1 1 1 0 t t t t 0 1 0 1 direct addr