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RELEASE.md

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  • Debugging support:
    • Dump all or selected variables and array contents (GOSUB 960/961).
    • Dump the call stack (GOSUB 962).
    • Breakpoints (GOSUB 963).
    • Breakpoints with selective display of variable values and array contents (GOSUB 964).
    • Watchpoints (GOSUB 965).
    • Programmatic breakpoints (GOSUB 966) with selective (de)activation (GOSUB 967/968).

1.0

  • Support colours in text mode (GOSUB 110).
  • Add a splash screen (playable with the -intro command line parameter).
  • Adopt MIDI for better sound.
  • Default prompt for INPUT.
  • Support for slowing down execution.
  • Show a cursor on INPUT.
  • Show more detailed stack traces and variable/array values when errors occur.
  • Display error information in a window instead of on the console only.
  • Open a file picker if a directory is given on the command line.
  • Support running subroutines with GOTO (implicit RETURN).
  • Bug fixes:
    • GOSUB 450 should modify interpreter state (SD, IN, IN$).
    • Support special characters (STX, ETX, FS) in 8-bit era files.
    • Avoid deleting the entire line with backspace on INPUT.
    • Treat variable names always as upper case internally.
    • Address graphics quantisation gap.

0.12

  • Switched from generated to handwritten recursive descent parser.
  • Bug fixes: EXP/LOG, unary +, case sensitivity of variables, comma separator in PRINT, VAL tolerates erroneous input and returns 0.

0.11

  • Passes BC3-Test, with one exception: "SR 270 berechnet nicht den Stringraum" ("subroutine 270 does not compute string space"): the test expects memory to be less after allocating a long string. Since memory management is entirely the JVM's job in this BASICODE implementation, we cannot honour the expectation of memory being utterly limited.

0.10

  • File picker pops up if no BASICODE source file is given on the command line.

0.9

First release. Haughtily high releaase number. Rather complete but "here be dragons".

  • Most well-behaved BASICODE programs should run.

  • Function keys likely don't work.

  • Not tested on any operating system other than macOS.