Burroughs B-5500

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Burroughs B-5500, (B5000, B5500, B7800) the second member of Burroughs large systems in 1964, with a 3 times speed improvement of the initial B-5000 of 1961 which was designed by chief architect Robert S. Barton, a unique machine using discrete transistor logic and magnetic core memory, well ahead of its time. The B-5000 family were stack machines with multitasking facilities, all code automatically reentrant. They were a partially data-driven tagged and descriptor-based design, supporting exclusively high-level programming languages. The ALGOL 60 dialect chosen for the B-5000 was Elliott ALGOL, first designed and implemented by C.A.R. Hoare on an Elliott 503. All system software, such as Burroughs MCP, was written in an extended variety of ALGOL 60, ESPOL. The successor machines followed the hardware development trends to re-implement the architectures in new logic over the next 25 years, with the B5500, B6500, B-5700, B6700, B7700, B6800, B7800, and finally the Burroughs A series.

=Chess Programs=
 * Ga Tech CP
 * Schach
 * Shy
 * Wita

=Publications=
 * Burroughs (1963). The Operational Characteristics of the Processors for the Burroughs B5000. Revision A, pdf
 * Elliott Organick (1973). Computer System Organization. The B5700 / B6700 Series. ACM monograph series

=External Links=
 * Burroughs large systems from Wikipedia
 * Burroughs B5500 - retroComputingTasmania
 * The Burroughs 5500 Computer
 * B5500 Emulation Project
 * GitHub - retro-software/B5500-software: Common source code repository for emulators of the Burroughs B5500 computer system
 * Burroughs B7800

=References= Up one Level