Zilog Z8F0130 Manual de usuario descargar pdf (Pagina 185)

eZ8

™

CPU Core

User Manual

UM012820-0810 LDC Instruction

170

Attributes

Sample Usage

If Working Register Pair R6 and R7 contain the value 30A2h and Pro-

gram Memory location 30A2h contains the value 22h, the following

statement loads the value

22h into Working Register R2:

LDC R2, @RR6



Object Code: C2 26

The value of Program Memory location 30A2h is unchanged by the load.

If Working Register R3 contains the value A5h, Working Register Pair R8

and R9 contain the value

2A72h, and Program Memory location 2A72h

contains the value

42h, the following statement loads the value 42h into

A5h:

LDC @R3, @RR8



Object Code: C5 38

The value of Program Memory location 2A72h is unchanged by the load.

If Working Register R2 contains the value 22h, and Working Register

Pair R6 and R7 contains the value

10A2h, the following statement loads

the value

22h into Program Memory location 10A2h:

LDC @RR6, R2



Object Code: D2 26

The value of Working Register R2 is unchanged by the load.

Mnemonic

Destination,

Source

Code

(Hex) Operand 1 Operand 2 Operand 3

LDC r1, @rr2 C2 {r1, rr2} — —

LDC @r1, @rr2 C5 {r1, rr2} — —

LDC @rr1, r2 D2 {r2, rr1} — —

1 2 ... 180 181 182 183 184 185 186 187 188 189 190 ... 313 314

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Zilog Z8F0130 Manual de usuario Pagina 185

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