ADDRESSING MODES
KS57C2308/P2308/C2316/P2316
3-10
4-Bit Indirect Addressing (Example 2)
1.
If EMB = "0", exchange bank 0 locations 040H–046H with bank 0 locations 060H–066H:
ADATA EQU
46H
BDATA EQU
66H
SMB
1
; Non-essential instruction, since EMB = "0"
LD
HL,#BDATA
LD
WX,#ADATA
TRANS LD
A,@WL
; A
←
bank 0 (040H–046H)
XCHD
A,@HL
; Bank 0 (060H–066H)
↔
A
JR
TRANS
2.
If EMB = "1", exchange bank 0 locations 040H–046H to bank 1 locations 160H–166H:
ADATA EQU
46H
BDATA EQU
66H
SMB
1
LD
HL,#BDATA
LD
WX,#ADATA
TRANS LD
A,@WL
; A
←
bank 0 (040H–046H)
XCHD
A,@HL
; Bank 1 (160H–166H)
↔
A
JR
TRANS
Summary of Contents for KS57C2308
Page 30: ...ADDRESS SPACES KS57C2308 P2308 C2316 P2316 2 22 NOTES ...
Page 168: ...SAM47 INSTRUCTION SET KS57C2308 P2308 C2316 P2316 5 94 NOTES ...
Page 170: ......
Page 206: ...POWER DOWN KS57C2308 P2308 C2316 P2316 8 8 NOTES ...
Page 210: ...RESET KS57C2308 P2308 C2316 P2316 9 4 NOTES ...
Page 222: ...I O PORTS KS57C2308 P2308 C2316 P2316 10 12 NOTES ...
Page 272: ...LCD CONTROLLER DRIVER KS57C2308 P2308 C2316 P2316 12 24 NOTES ...
Page 280: ...SERIAL I O INTERFACE KS57C2308 P2308 C2316 P2316 13 8 NOTES ...
Page 294: ...MECHANICAL DATA KS57C2308 P2308 C2316 P2316 15 2 NOTES ...
Page 310: ...KS57P2308 P2316 OTP KS57C2308 P2308 C2316 P2316 16 16 NOTES ...
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