It had a traditional one address accumulator architecture, rather than the revolutionary stack architecture pioneered by Burroughs in the 5500 / 6500 machines.
2.
Barton's B5000 design survives in the modern Unisys Burroughs MCP . His work with stack architectures was the first implementation in a mainframe computer.
3.
Hewlett-Packard would later use the stack architecture in its HP 3000 computers, and in HP calculators with Reverse Polish Notation ( RPN ).
4.
In fact, code verification makes the JVM different from a classic stack architecture, of which efficient emulation with a JIT compiler is more complicated and typically carried out by a slower interpreter.
5.
Beyond this, one implementor said that a two-stack architecture would permit pipe-lining ( i . e . improving speed to once instruction per clock cycle ), but this might also require compiler changes.
6.
The two came up with a revolutionary design with 64 bits of mantissa and 16 bits of exponent for the longest format real number, with a stack architecture CPU and 8 80-bit stack registers, with a computationally rich instruction set.
7.
The Burroughs large systems implement an ALGOL-derived stack architecture, unlike linear architectures such as PDP-11, Motorola M68k, and Itanium or segmented architectures such as x86 and Texas Instruments . ( This refers to the layout of the memory and how a program uses it .)
8.
The B5000 stack architecture inspired Forth, who encountered the B5500 while at MIT . In " Forth-The Early Years ", Moore described the influence, noting that Forth's DUP, DROP and SWAP came from the corresponding B5500 instructions ( DUPL, DLET, EXCH ).
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