Zilog Z8F0130 Manual do Utilizador descarregar pdf (Página 187)

eZ8

™

CPU Core

User Manual

UM012820-0810 LDCI Instruction

172

Attributes

Sample Usage

If Working Register Pair R6–R7 contains 30A2h, Program Memory loca-

tions 30A2h and 30A3h contain 22h and BCh respectively, and Working

20h, the following statement loads the value 22h

into Register

20h:

LDCI @R2, @RR6



Object Code: C3 26

Working Register Pair RR6 increments to 30A3h and Working Register

R2 increments to

21h. A second instruction loads the value BCh into Reg-

ister 21h, as follows:

LDCI @R2, @RR6



Object Code: C3 26

Working Register Pair RR6 increments to 30A4h and Working Register

R2 increments to

22h.

If Working Register R2 contains 20h, Register 20h contains 22h, Regis-

ter 21h contains BCh, and Working Register Pair R6–R7 contains 30A2h,

the following statement loads the value

22h into Program Memory loca-

tion 30A2h:

LDCI @RR6, @R2



Object Code: D3 26

Working Register R2 increments to 21h and Working Register Pair

R6–R7 increments to

30A3h.

Mnemonic

Destination,

Source

Code

(Hex) Operand 1 Operand 2 Operand 3

LDCI @r1, @rr2 C3 {r1, rr2} – –

LDCI @rr1, @r2 D3 {r2, rr1} – –

1 2 ... 182 183 184 185 186 187 188 189 190 191 192 ... 313 314

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