Operations:

Format

Syntax:

Operation:

Operands:

Architecture revision

Opcode

1

st.b{cond4} Rp[disp], Rs 

if (cond4)
*(Rp + ZE(disp9)) = Rs[7:0];
 
s, p ∈ {0, 1, …, 15}
disp ∈ {0, 1, ..., 511}
cond4 ∈ {eq, ne, cc/hs, cs/lo, ge, lt, mi, pl, ls, gt, le, hi, vs, vc, qs, al}

Rev2+

111

Rp

11111

Rd

cond4

111

disp9

3

4

5

4

4

3

9

Description

The source register is stored to the byte memory location referred to by the pointer address if the given condition is satisfied.

Status Flags:

Q:

Not affected.

V:

Not affected.

N:

Not affected.

Z:

Not affected.

C:

Not affected.