![]() or encoding some opcodes is shorter if one of the operands is the accumulator register.Copyright (C) 1991-2018 Free Software Foundation, Inc. This file documents the GNU Assembler "as". This is as.info, produced by makeinfo version 6.3 from as.texinfo. Absolute Address in Memory: 0x0000 ↔ 0xFFFF.a 16 bit two’s complement binary number: -32,768 ↔ 32,767.All data is represented as a 16 bit word: Also represented with 4 hex digits, e.g. ![]() Instructions are 16 bits wide and have 4-bit opcodes. The 16-bit instruction contains information pertaining to sources, operations which are decoded to calculate the appropriate outputs. It is a five-stage pipelined architecture.
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