Echelon Neuron Manuel d'utilisateur télécharger pdf (Page 171)

_abs8 (Absolute Value, 8 Bit)

This function returns the absolute value of a signed integer.

Stack Transformation: (a -- |a|)

Location: Near

Registers Affected: None

Example:

This example returns the absolute value of -8.

push #@lb(-d’8) ; (-d’8)

call _abs8 ; (d’8)

_add16 (Add, 16 Bit)

This function adds two 16-bit unsigned integers.

Stack Transformation: (a(2), b(2) -- a(2) + b(2))

Location: Near

Registers Affected: None

Example:

This example adds 50 to 300.

pushd #d’300 ; (d’44, 1)

pushd #d’50 ; (d’50, 0, d’44, 1)

call _add16 ; (d’94, 1)

_add16s (Add Signed, 16 Bit)

This function adds two 16-bit signed integers.

Stack Transformation: (a(2), b(2) -- a(2) + b(2))

Location: Near

Registers Affected: None

Example:

This example adds 50 to 300.

pushd #d’300 ; (d’44, 1)

pushd #d’50 ; (d’50, 0, d’44, 1)

call _add16s ; (d’94, 1)

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