- .github/workflows/ci.yml: the dos-cross-compile job failed on the
first push because build_dos.sh sources $HOME/openwatcom-v2/setvars.sh
if WATCOM is unset, but that file isn't part of the OpenWatcom V2
snapshot — I'd been creating it locally by hand. Add a "Configure
OpenWatcom env" step that generates setvars.sh after extraction (so
build_dos.sh works) AND exports WATCOM/PATH/INCLUDE via $GITHUB_ENV
(so subsequent steps work even if setvars.sh sourcing changes).
Also stash both DOS binaries before the next-mode clean wipes them,
so the artifact upload actually has both .exe files.
- src/codegen.c: switch the four remaining emit_str_atom callers
(CVI/CVS/CVD function args + string-comparison left/right) to
emit_str_expr. Now `CVS(A$+B$)` and `A$+B$ < C$` accept
concatenation in their string operands; previously the atom-level
caller stopped at the first identifier and the trailing `+` confused
downstream parsing. Verified: CVS(MKS$(3.14)+MKS$(0)) round-trips
to 3.14 in both interpreter and compiled binary. All 72 interpreter
+ 63 compiler tests still pass.
- docs/getting-started.md: document that gwbasic-compile auto-numbers
unnumbered direct-mode lines (last_num + 10) so scratchpad-style
programs compile without manual renumbering.
- tests/run_freedos_qemu.sh: helper for going through the manual TUI
checklist on bare FreeDOS. Modern qemu-kvm doesn't expose -fda on
the default machine type and fat:rw: protocol is gone, so a fully
automated FreeDOS smoke isn't tractable from userspace; this script
builds a FAT data image (mtools), attaches it as -hdb to the FreeDOS
qcow2, and points the user at the manual sequence in the script
header. The DOSBox-X harness (run_dos_smoke.sh) remains the
automated DOS smoke.
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