MOVZ

Purpose

convert an unsigned integer to a wider unsigned integer

Format

opcode src.rx, dst.wy

Operation

dst ß ZEXT (src);

Condition codes

N ß 0;

Z ß dst EQL 0;

V ß 0;

C ß C;

Exceptions

None

Opcodes

9B        MOVZBW      Move Zero-Extended Byte to Word

9A       MOVZBL        Move Zero-Extended Byte to Long

3C       MOVZWL       Move Zero-Extended Word to Long

Description

For MOVZBW, bits 7:0 of the destination operand are replaced by the source operand; bits 15:8 are replaced by zero. For MOVZBL, bits 7:0 of the destination operand are replaced by the source operand; bits 31:8 are replaced by 0. For MOVZWL, bits 15:0 of the destination operand are replaced by the source operand; bits 31:16 are replaced by 0.