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INSTRUCTION SET
LD
— Load
LD
(Continued)
Examples:
Given: R0 = 01H, R1 = 0AH, register 00H = 01H, register 01H = 20H,
register 02H = 02H, LOOP = 30H, and register 3AH = 0FFH:
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
6-50
→
R0,#10H
→
R0,01H
→
01H,R0
→
R1,@R0
→
@R0,R1
→
00H,01H
→
02H,@00H
→
00H,#0AH
→
@00H,#10H
→
@00H,02H
R0,#LOOP[R1] →
#LOOP[R0],R1 →
R0 = 10H
R0 = 20H, register 01H = 20H
Register 01H = 01H, R0 = 01H
R1 = 20H, R0 = 01H
R0 = 01H, R1 = 0AH, register 01H = 0AH
Register 00H = 20H, register 01H = 20H
Register 02H = 20H, register 00H = 01H
Register 00H = 0AH
Register 00H = 01H, register 01H = 10H
Register 00H = 01H, register 01H = 02, register 02H = 02H
R0 = 0FFH, R1 = 0AH
Register 31H = 0AH, R0 = 01H, R1 = 0AH
S3C8248/C8245/P8245/C8247/C8249/P8249
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