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Part IýLaying the Foundation
by Walter Krawec
Start ý Tools
ý Deciding What to do First ý Letýs
Get to Work ý Compiling ý Running
the Program ý How Will it Work? ý What's
to Follow Sources and PDF
WHATýS TO FOLLOW
Hereýs a list of some of the definitions
that I will use throughout the series:
ý Program info blockýthe block of memory
from address 0x9000ý0xA000 (see Figure 1)
ý start_addressýthe start address of
a certain installed program
ý end_addressýthe end address of a
certain installed program
In Part 2, Iýll show you how the following
procedures implement the functions of the file manager:
ý Directory() displays a directory
of all of the installed programs
ý Format() erases all of the installed
programs
ý Install() installs a new program
ý Run() runs a program
ý Menu() displays a neat little menu
from which you can access the file managerýs functions
Iýll wrap up by adding a few finishing
touches to the file manager and showing you how the file manager can
help save program memory.
See you then!
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