Product |
Purpose |
Air Traffic
Controller game |
A
small game which allows you to navigate planes around
a traffic control grid
|
Command line |
Shows
scanning of environment and command line options |
Hard drive |
Some
basic hard drive functions, reading the MBR,
showing what drives are installed, and showing the dos drive tree |
TSR/Time |
Shows
the time on the screen continuously |
TSR/Disk |
keeps
disk powered up on systems where timeouts would
shut it down for power save reasons |
DPMI |
hows
how to invoke DPMI |
Hex dump utility |
A
simple hex dump utility |
TSR/Stop runaway
programs |
ESC
key returns you to DOS when a program goes awry |
Floating point |
Print
floating point numbers |
Floppy driver |
Code
for accessing the floppy without the BIOS |
Gravity game |
A
very simple game, adapted from someone's minimal code
size contest |
UART |
Test
if a UART exists |
Keyboard |
Replacement
for int 9 keyboard handler |
LEDs |
Change
the state of the keyboard leds |
COM files |
Load
an MSDOS .com file without MSDOS |
EXE files |
Load
an MSDOS .exe file without MSDOS |
CMOS Interrupt |
Shows
how to use the CMOS interrupt timer |
PIC |
Shows
how to reprogram the programmable interrupt
controller |
PWM |
Use
the power monitoring API to power down the computer |
Random numbers |
shows
one way to do random numbers |
File I/O |
Read
data from a file |
Serial
I/O |
Shows
how to do interrupt-driven serial I/O from a
32-bit program |
Timing programs |
Shows
how to time the execution of routines |