75 lines
2.8 KiB
Bash
Executable file
75 lines
2.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# verify-dos-tilebank.sh - Tile-bank gate for DOS: proves that assetbake's
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# dos encoder (chunky 4bpp, high nibble = left pixel) writes exactly the
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# layout the DOS tile paste reads, and that the DOS build refuses a bank baked
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# for any other target.
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#
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# Runs TILEBANK.EXE (examples/tilebank) in DOSBox Staging on the 386SX-16
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# reference config, from a scratch C: holding it and the DATA/tilebank
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# make/dos.mk staged from the host gate's fixture. The program loads its own
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# bake through jlTileBankLoadToSurface and through jlTileBankLoad +
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# jlTilePaste, checks every pixel of both against the PNG, hashes both, and
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# tries every other target's bake; its TILEBANK line in JOEYLOG.TXT must say
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# PASS with both hashes equal to the host gate's (scripts/check-tilebank.sh,
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# run here for the value) and every other target refused. DOSBox is stopped
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# as soon as the line appears.
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#
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# Usage: scripts/verify-dos-tilebank.sh
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# Env: TILEBANK_DATA_DIR stage this DATA/tilebank instead (negative controls)
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# Requires: DOSBox Staging, Xvfb, a host cc; build/dos/bin/TILEBANK.EXE and
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# its DATA/tilebank (make dos).
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set -uo pipefail
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repo=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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source "$repo/scripts/lib/joeyEnv.sh"
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source "$repo/scripts/lib/tileBankGate.sh"
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joeyNeed DOSBOX dosbox
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binDir=$repo/build/dos/bin
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dataDir=$(tileBankData "$binDir")
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conf=$repo/scripts/dosbox-386sx16.conf
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wall=150 # hard cap on DOSBox, whatever happens to this script
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lineSeconds=120 # DOS boot plus the checks at 386SX-16 speed
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tileBankNeedBuild "$binDir/TILEBANK.EXE" "$dataDir" "make dos"
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tileBankReference
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work=$(mktemp -d -t joeylib-dos-tilebank.XXXXXX)
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guard=""
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dosbox=""
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xvfb=""
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# 2>/dev/null: bash reports the SIGKILLed timeout wrapper as "Killed".
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cleanup() {
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joeyStop "$dosbox" "$guard" "$xvfb" 2> /dev/null
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rm -rf "$work"
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}
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trap cleanup EXIT
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mkdir -p "$work/c/DATA" "$work/xdg"
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cp "$binDir/TILEBANK.EXE" "$work/c/"
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cp -r "$dataDir" "$work/c/DATA/tilebank"
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display=":$((RANDOM % 400 + 1300))"
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Xvfb "$display" -screen 0 800x600x24 -nolisten tcp > /dev/null 2>&1 &
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xvfb=$!
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sleep 1
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# The mount is an explicit -c: DOSBox runs every -c line before it would
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# auto-mount a trailing directory (see bench-dos.sh).
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XDG_CONFIG_HOME="$work/xdg" DISPLAY="$display" SDL_AUDIODRIVER=dummy \
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timeout -s KILL "$wall" "$DOSBOX" "${JOEY_DOSBOX_ISOLATE[@]}" \
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--conf "$conf" \
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-c "MOUNT C \"$work/c\"" -c "C:" -c "TILEBANK.EXE" > "$work/dosbox.log" 2>&1 &
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guard=$!
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dosbox=$(joeyChild "$guard")
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log=$(tileBankAwaitLine "$work/c" "$lineSeconds" "$guard")
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joeyStop "$dosbox" "$guard" 2> /dev/null
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dosbox=""
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guard=""
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if [ -z "$log" ]; then
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echo "verify-dos-tilebank: FAIL - no TILEBANK line within ${lineSeconds}s" >&2
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tail -5 "$work/dosbox.log" >&2
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exit 1
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fi
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tileBankJudge "$log"
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