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Kernel version | 1.0 |
---|---|
CPU architecture | x86 (16-bit) |
Compile date | May 1984 |
Development Release #1 is an early pre-release build of the Microsoft Windows 1.0 operating system, compiled sometime in May 1984. Only the Tandy 2000 variant of this build is currently known to exist, however, a PC-compatible variant of this build would've been shipped as well.
Overview
The Tandy 2000 was an Intel 80186-based computer. Since the 80186 processor was not fully compatible with the IBM PC and compatibles, this created compatibility issues dividing it from other machines of the time. The Tandy 2000 variant of this build was specifically designed for the Tandy 2000 personal computer, including the Intel 80186 processor and also the high resolution graphics (640x400 screen resolution at 16 colors) used by the machine itself.
This build was launched from a file called DEMO.BAT
and was intended to be run from a single 5,25" floppy disk. This loaded a copy of Windows with several sample applications which could easily be loaded from there.
It is also visible that this build uses the .MOD
extension for applications, and thus predates the NE executable format. This remains until Development Release #5.
File list
File list (as seen in the DOS Window)
BOXES.MOD
/BOXES.RES
- Boxes applicationCALC.MOD
/CALC.RES
- Calculator applicationCLIP.MOD
/CLIP.RES
- Clipboard applicationCOMMAND.COM
- Microsoft MS-DOS command interpreterCONFIG.BIN
- The system configuration fileCURSOR.MOD
- The Cursor Routines fileDEMO.BAT
- A batch file used to launch the Microsoft Windows demonstrationDISPLAY.MOD
- Display driverFONT.RES
- Font resourcesGDI.MOD
- GDI (Graphics Device Interface) system fileGDI16.MOD
- GDI (Graphics Device Interface) 16-bit system fileGDI8.MOD
- GDI (Graphics Device Interface) 8-bit system fileKERNEL.MOD
- Microsoft Windows kernel system fileKEYBOARD.MOD
- Keyboard system fileKEYNAMES.BIN
- Input translation table lookup fileMB.EXE
- Module bootMOUSE.MOD
- Mouse driverPUZZLE.MOD
/PUZZLE.RES
- Puzzle applicationREVERSI.MOD
/REVERSI.RES
- Reversi applicationSAMPLE.MOD
/SAMPLE.RES
- Sample applicationSHELL.MOD
/SHELL.RES
- "DOS Window" shell application (later became MS-DOS Executive (MSDOS.EXE
)TEST.MOD
- Test executable fileTIMER.MOD
- System timer driverWINDOWS.MOD
/WINDOWS.RES
- Microsoft Windows User component