Remote Processing RPC-220 - Manual (Page 20)

WRITING, DEBUGGING, AND SAVING PROGRAMS SECTION 3
Page 3-9
Figure 3-3 Modification for 64K EPROM
Solder a jumpe r at W5[1-2]. This connects addr ess
line A15 to U3, pin 1.
3 Install a 27C 512 EP ROM when you are don e. T his
EPROM is programmed using an external
programmer.
Develop your code in the normal m ode. Since code runs
from 64K of its own space, all of RAM is available for
data storage.
APPLICATION PROGRAMS
The following is a list of programs, locations, and
function.
Directory & File Function
mem220\m em220.c Write s and rea ds mem ory in all
segments. It is also a quick RAM
test. W ritten for 512K RA M. Will
work with 128K R AM . T here w ill
be mem ory er rors in segmen ts
2-7.
flash\dflash.c Dem o progr am that co pies data
from RAM to flash. You are
prompted for addr ess and length.
flash\pflash.c Demo program that receives a
program in Intel hex format
t hr o u gh a se r ia l p o r t a n d p r o gr a m s
t he E PR O M .
loader\ loader. asm Resident load er pr ogram is
invoked when a line is low. Used
to update or replace existing
program. Executes your program
when high. Invoke condition can
be changed. This program is used
with the NOICE debugger.
loader\ monload. asm Progr am called from loader. asm
to reload the monitor routine.
loader\readm e1.doc More information on the loader
program s.