Rom Builder.
by
for
Use the cursors to scroll up and down.
Rom Builder is a program designed to
enable you to insert machine code
routines into ROM.
To test the program Just run it, then
press CONTROL and BREAK. Now type
*BEEP. You should hear the equivalent
of VDU 7. Now type MODE 0. Then type
*MODE.You should now be in mode 7.
These are the two routines already
in the rom program. To see them,
look at line 230 of the program.
These are the commands that you
enter. Line 250 contains the name
of the routine associated with the
command. The routines start at 260.
It is only a simple matter to add
to or alter the existing commands
to insert your own routines.