54
Rabbit 2000/3000 Microprocessor
Description
Loads the register L with the data whose address is the data in index register SP plus a displacement d. Then
loads the register H with the data whose address is the data in index register SP plus a displacement d plus 1.
This instruction is implemented for the Rabbit and is not available for the Z180.
Description
These instructions are implemented for the Rabbit and are not available for the Z180.
•
LD HL,IX:
Loads the word register HL with the data in index register IX.
•
LD HL,IY:
Loads the word register HL with the data in index register IY.
LD HL,(SP+n)
Opcode
Instruction
Clocks
Operation
C4 n
LD HL,(SP+n)
9 (2,2,1,2,2)
L = (SP + n); H = (SP + n + 1)
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
-
-
-
-
•
LD HL,IX
LD HL,IY
Opcode
Instruction
Clocks
Operation
DD 7C
LD HL,IX
4 (2,2)
HL = IX
FD 7C
LD HL,IY
4 (2,2)
HL = IY
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
-
-
-
-
•
Содержание 2000
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