Operations:

Format

Syntax:

Operation:

Operands:

Architecture revision

Opcode

1

stdsp SP[disp], Rs

*( (SP && 0xFFFF_FFFC) + (ZE(disp7) << 2) ) = Rs;
disp ∈ {0, 4, ..., 508}
s ∈ {0, 1, …, 15}

Rev1+

01010

disp7

Rs

5

7

4

Description

Stores the source register value to the memory location referred to specified by the Stack Pointer and the displacement.

Status Flags:

Q:

Not affected

V:

Not affected

N:

Not affected

Z:

Not affected

C:

Not affected