Intel 8XC251SP Manuel D’Utilisation

A-2

 

@Ri

A memory location (00H–FFH) addressed indirectly via byte register
R0 or R1

✔

Rn

Byte register R0–R7 of the currently selected register bank

n

Byte register index: n = 0–7

r r r

Binary representation of n

✔

Rm

Byte register R0–R15 of the currently selected register file

Rmd

Destination register

Rms

Source register

m, md, ms

Byte register index: m, md, ms = 0–15

s s s s

Binary representation of m or md 

S S S S

Binary representation of ms

✔

WRj

Word register WR0, WR2, ..., WR30 of the currently selected register
file

WRjd

Destination register

WRjs

Source register

@WRj

A memory location (00:0000H–00:FFFFH) addressed indirectly
through word register WR0–WR30

@WRj

Data RAM location (00:0000H–00:FFFFH) addressed indirectly

+dis16

through a word register (WR0–WR30) + displacement value, where
the displacement value is from 0 to 64 Kbytes.

j, jd, js

Word register index: j, jd, js = 0–30

t t t t

Binary representation of j or jd

T T T T

Binary representation of js

✔

DRk

Dword register DR0, DR4, ..., DR28, DR56, DR60 of the currently
selected register file

DRkd

Destination Register

DRks

Source Register

@DRk

A memory location (00:0000H–FF:FFFFH) addressed Indirectly
through dword register DR0–DR28, DR56, DR60

@DRk

Data RAM location (00:0000H–FF:FFFFH) addressed indirectly

+dis24

through a dword register (DR0–DR28, DR56, DR60) + displacement
value, where the displacement value is from 0 to 64 Kbytes 

k, kd, ks

Dword register index: k, kd, ks = 0, 4, 8, ..., 28, 56, 60

u u u u

Binary representation of k or kd

U U U U

Binary representation of ks

✔