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70
Rabbit 2000/3000 Microprocessor
Description
Loads the low-order byte of the dd (any of BC, DE, HL or SP) with the data at memory address mn. Then
loads the high-order byte of register dd with data at memory address mn plus 1.
LD
dd
,(
mn
)
Opcode
Instruction
Clocks
Operation
——
ED 4B
n m
ED 5B
n m
ED 6B
n m
ED 7B
n m
LD
dd
,(
mn
)
LD BC,(
mn
)
LD DE,(
mn
)
LD HL,(
mn
)
LD SP,(
mn
)
13 (2,2,2,2,1,2,2)
13 (2,2,2,2,1,2,2)
13 (2,2,2,2,1,2,2)
13 (2,2,2,2,1,2,2)
13 (2,2,2,2,1,2,2)
dd
(low)
= (
mn
);
dd
(high)
= (
mn
+ 1)
C = (
mn
); B = (
mn
+ 1)
E = (
mn
); D = (
mn
+ 1)
L = (
mn
); H = (
mn
+ 1)
SP
(low)
=(
mn
); SP
(high)
=(
mn
+1)
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
-
-
-
-
•
•
Summary of Contents for 2000
Page 2: ...ii Rabbit 2000 3000 Microprocessor...
Page 4: ...iv Rabbit 2000 Microprocessor...
Page 16: ...12 Rabbit 2000 3000 Microprocessor...
Page 164: ...160 Instruction Reference Manual...