mirror of
https://github.com/felixrieseberg/windows95.git
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bc76e9c79a
Three layers: v86 — src/vmware.js gains the legacy text-clipboard backdoor commands (GETSELLENGTH/GETNEXTPIECE/SETSELLENGTH/SETNEXTPIECE, 6–9). The host stages bytes via the vmware-clipboard-host bus event; the guest pushes via 8/9 and the device emits vmware-clipboard-guest when the buffer fills. Same wire protocol as open-vm-tools' pre-RPC copy/paste. Committed on the windows95-base fork branch; libv86.js rebuilt here. renderer — src/renderer/clipboard.ts polls Electron's clipboard (no change event exists), translates host UTF-8/LF ↔ guest CP-1252/CRLF, and bounces bytes through the two bus events. Echo-suppressed so a value we just wrote does not come back as a change. guest — guest-tools/agent/W95TOOLS.EXE is a 22 KB hidden-window agent that joins the Win32 clipboard-viewer chain (push-on-copy) and polls the backdoor on a 250 ms timer (pull-from-host). Win9x runs ring-3 with the I/O bitmap wide open, so a plain IN EAX,DX from a user process reaches the port — no driver needed. Named for growth: time sync and host-initiated shutdown will live here too. Built with Open Watcom v2 inside Docker (Makefile + Dockerfile alongside the source); subsystem 4.0, no msvcrt, runs on Win95 RTM. Install: copy \\HOST\TOOLS\agent\W95TOOLS.EXE into the guest and drop a shortcut in StartUp. Text only, 64 KB cap.
31 lines
1.1 KiB
Makefile
31 lines
1.1 KiB
Makefile
# Build W95TOOLS.EXE for Windows 95 with Open Watcom v2, inside Docker.
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#
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# Watcom is the only readily-available cross-compiler that emits a PE binary
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# Win95 RTM will load (subsystem 4.0, no msvcrt). mingw-w64 targets NT. The
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# macOS-native Watcom binaries are unsigned and Gatekeeper kills them, so we
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# run the linux/amd64 build under Docker instead.
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IMAGE := windows95-ow2
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# Docker Desktop's bind-mount file sync races with recently-edited files; work
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# around it by piping the source on stdin and building in /tmp inside the
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# container, then dumping the EXE bytes back over stdout.
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DOCKER := docker run --rm -i --platform linux/amd64 $(IMAGE)
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CFLAGS := -bt=nt -3r -zq -wx -we -os -s
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.PHONY: all image clean
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all: W95TOOLS.EXE
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image:
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docker build --platform linux/amd64 -t $(IMAGE) .
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W95TOOLS.EXE: w95tools.c image
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$(DOCKER) sh -c 'cd /tmp && cat >w95tools.c && \
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wcc386 $(CFLAGS) w95tools.c && \
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wlink system nt_win option quiet name W95TOOLS.EXE \
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file w95tools.o library kernel32,user32 && \
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cat W95TOOLS.EXE' <w95tools.c >$@
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clean:
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rm -f W95TOOLS.EXE
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