Samsung KS57C2308 Manual page 16

ADDRESS SPACES
WORKING REGISTERS
Working registers, mapped to RAM address 000H-01FH in data memory bank 0, are used to temporarily store
intermediate results during program execution, as well as pointer values used for indirect addressing. Unused
registers may be used as general-purpose memory. Working register data can be manipulated as 1-bit units, 4-bit
units or, using paired registers, as 8-bit units.
2-8
000H
001H
002H
003H
004H
005H
DATA
006H
MEMORY
BANK 0
007H
008H
A
00FH
010H
A
017H
018H
A
01FH
Figure 2-4. Working Register Map
A
E
L
H
WORKING
REGISTER
X
BANK 0
W
Z
Y
REGISTER
...
Y
BANK 1
REGISTER
...
Y
BANK 2
REGISTER
...
Y
BANK 3
KS57C2308/P2308/C2316/P2316