DP80390 datasheet(51/84 Pages) DCD

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DP80390 Instructions set details

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3.23.

LJMP *

3.23.1.

LARGE

Instruction:

LJMP addr16

Function:

Long jump

Description:

LJMP causes an unconditional branch to the indicated address, by

loading the PC with the second and third instruction bytes. The

destination may therefore be anywhere in the full 64 kB program

memory address space. No flags are affected.

Operation:

(PC)

← addr15... addr0

Bytes:

Cycles:

Encoding:

address 15..8

address 7..0

3.23.2.

FLAT

Instruction:

LCALL addr24

Function:

Long jump

Description:

LJMP causes an unconditional branch to the indicated address, by

loading the PC with the second, third and fourth instruction bytes. The

destination may therefore be anywhere in the full 16MB program

memory address space. No flags are affected.

Operation:

(PC)

← addr23... addr0

Bytes:

Cycles:

Encoding:

address 23..16

address 15..8

address 7..0

* instruction modified regarding to standard 80C51

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