Genicom MatrixPrinter LA36 - Manual (Page 111)

5-24
Table 5.1 shows the memory address map.
Table 5.1 Memory address map
Address area (hex)
000000 ~ 0000BF
0000C0 ~ 0000FF
000100 ~ 00037F
000380 ~ 5FFFFF
600000 ~ DFFFFF
E00000 ~ EFFFFF
F00000 ~ FFFFFF
Description
I/O area (direct addressing)
I/O area (external)
Work RAM (direct addressing)
Work RAM (extended addressing)
Program access
Program access (extended)
RAM (extended)
Program access
RAM (receive/download buffer)
Size (bytes)
192
64
640
5.9M
8M
1M
1M
Read/Write
Read/Write
Read
Read
Write
Read
Write
Two programs –– the initialization program and the program first read to the MPU –– are installed in ROM.
The MPU starts operating after these programs are executed from ROM. The printer uses different address areas
for the resident character generator and work RAM.