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22 lines
980 B
Plaintext
22 lines
980 B
Plaintext
Burroughs B6500 Simulator and Early MCP
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B65SIM.alg_m is a simulator for the B6500 written in a variant of B5500
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Extended Algol, termed LONGALG. This variant implement a "Long Array"
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type, which appeared to the programmer to be a single-dimensional array,
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but was implemented as a two-dimensional array. The compiler generated
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code to partition the array index into column and row portions, and
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index the row and column accordingly.
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B65ESPOL.alg_m is an early implementation of an ESPOL cross-compiler for
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the B6500, written to run on the B5500. We believe that Don Lyle was the
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principle implementor of this compiler.
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B65MCP-MARK00.esp_m is a very early version of the B6500 MCP. It is
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notable for its use of ESPOL Queue structure, which eventually proved to
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be too expensive at run time, and were removed in the Mark II.0 release.
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These files were transcribed by James Fehlinger of New Jersey, US in
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mid-2014, from scans of listings provided by Al Kossow of bitsavers.org.
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