Samsung KS57C2308 Manual page 15

KS57C2308/P2308/C2316/P2316
Addresses
000H–01FH Working registers
020H–0FFH Stack and general-purpose registers
100H–1DFH General-purpose registers
1E0H–1FFH LCD Data registers
F80H–FFFH I/O-mapped hardware registers
+ +
PROGRAMMING TIP — Clearing Data Memory Banks 0 and 1
Clear banks 0 and 1 of the data memory area:
RAMCLR SMB
LD
LD
RMCL1 LD
INCS
JR
SMB
LD
RMCL0 LD
INCS
JR
Table 2-2. Data Memory Organization and Addressing
Register Areas
1
HL,#00H
A,#0H
@HL,A
HL
RMCL1
0
HL,#10H
@HL,A
HL
RMCL0
Bank EMB Value
0
1
15
; RAM (100H–1FFH) clear
; RAM (010H–0FFH) clear
ADDRESS SPACES
SMB Value
0, 1 0
1 1
0, 1 15
2-7