Windows 1.0/Development Release 1
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|Development Release #1|
|CPU architecture||x86 (16-bit)|
|Compilation 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.
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.
File list (as seen in the DOS Window)
BOXES.RES- Boxes application
CALC.RES- Calculator application
CLIP.RES- Clipboard application
COMMAND.COM- Microsoft MS-DOS command interpreter
CONFIG.BIN- The system configuration file
CURSOR.MOD- The Cursor Routines file
DEMO.BAT- A batch file used to launch the Microsoft Windows demonstration
DISPLAY.MOD- Display driver
FONT.RES- Font resources
GDI.MOD- GDI (Graphics Device Interface) system file
GDI16.MOD- GDI (Graphics Device Interface) 16-bit system file
GDI8.MOD- GDI (Graphics Device Interface) 8-bit system file
KERNEL.MOD- Microsoft Windows kernel system file
KEYBOARD.MOD- Keyboard system file
KEYNAMES.BIN- Input translation table lookup file
MB.EXE- Module boot
MOUSE.MOD- Mouse driver
PUZZLE.RES- Puzzle application
REVERSI.RES- Reversi application
SAMPLE.RES- Sample application
SHELL.RES- "DOS Window" shell application (later became MS-DOS Executive (
TEST.MOD- Test executable file
TIMER.MOD- System timer driver
WINDOWS.RES- Microsoft Windows User component