Files
Eremey Valetov 70ffd39562 v0.17.0: BIOS-routed TUI on DOS, version banner, compiler PulseAudio link
QA findings from a multi-round review of the FreeDOS submission prep work:

- TUI rendering refactor: src/tui.c emitted ANSI escape sequences via
  printf, which displays as raw text on bare FreeDOS (no ANSI.SYS).
  Add four HAL ops (tui_enter, tui_leave, render_run, set_cursor_shape)
  and route per-cell rendering through them.  POSIX backend keeps the
  ANSI path; DOS backend drives BIOS INT 10h via the existing
  bios_set_cursor / bios_write_char helpers.  The TUI's logical cursor
  goes through the saved orig_locate to avoid recursing through the
  swapped-in gw_hal->locate.

- DOS extended-key mapping: dos_getch returns 0x100 | scancode for
  arrows / F-keys; tui_read_key wasn't translating those to its TK_*
  constants, so the editor never saw arrow keys or F1-F10 on DOS.
  Add a __MSDOS__-conditional translation table in tui_read_key.

- Version banner: GW_VERSION was still 0.16.0 even though the v0.17.0
  release prep was already in CHANGES.TXT.  Bump.

- Compiler PulseAudio link: gwbasic-compile -c hardcoded
  '-lgwrt -lm -lpthread' on the gcc command line.  When libgwrt was
  built against libpulse-simple (the default on any host with the
  PulseAudio dev headers installed), the compile workflow failed with
  'undefined reference to pa_simple_drain'.  CMake now passes
  GWRT_HAS_PULSEAUDIO to gwbasic-compile when libpulse is present, and
  the compiler appends -lpulse-simple to the link line.

- FRE("") garbage collection: the interpreter skipped strpool_gc with a
  comment 'unsafe during expression eval', but that's exactly what real
  GW-BASIC's FRE("") does (and the AOT compiler path already did).  Add
  the GC call; strpool_pin/unpin is the existing escape hatch if a
  caller has live pool pointers on the C stack.  Fixes the string_gc
  compat test.

- Test harness normalization: run_tests.sh stripped trailing whitespace
  on the actual output but not the expected file, causing spurious
  mismatches against golden files captured from real GWBASIC.EXE.
  Normalize both sides identically.  Fixes the peek_gfx mismatch.

- Print_using: snprintf into mantissa[32] with %.*f and an unbounded
  dec triggered a -Wformat-truncation warning.  Clamp dec to 20 (IEEE
  double has at most ~17 significant decimal digits).

- Doc/version consistency: 16-bit binary size reported as 127KB in one
  place and 128KB in three; standardize on 128KB.  HAL backend count
  said '1 file' but is now 2.  CI test count said 'all 66 test
  programs' but is 72.  Add a v0.17.0 row to the development.md table.
  Update getting-started.md DOS section to match the BIOS-rendering
  reality and add a manual TUI verification checklist.

- dos_init now writes back BIOS-reported cols/rows to dos_hal struct
  fields (forward-declared so dos_init can reference it).

After these changes: 72/72 interpreter tests pass, compat 68/68
matched, no warnings on the Linux build.
2026-05-03 12:25:41 -04:00
..