The Mouse Programming Language on CP/M

8 hours ago

Mouse is an interpreted, stack-oriented language designed by Peter Grogono in 1975 for microcomputers.
It is similar to Forth but simpler, focusing on single-character instructions and variable usage rather than extensive stack manipulation.
Mouse supports high-level language features like arrays, functions, procedures, nested control structures, local variables, recursion, and parameter passing.
A 'Hello, World!' example demonstrates its syntax, using loops, variables, and string output with exclamation marks for newlines.
Instructions are mostly single characters, covering arithmetic, input/output, variable handling, comparisons, conditional blocks, loops, and macros.
Macros allow subroutine creation and can be recursive, with parameters accessed via the '%' character and termination with '@'.
Variables map to memory locations: uppercase letters are global, lowercase are local within macros, supporting data storage and retrieval.
The language was implemented for CP/M, with a small footprint (2k on Walnut Creek CD), and includes tools like file listing and help programs.

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