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eZ80 CPU - writeframeofmind.biz

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<strong>eZ80</strong> <strong>CPU</strong><br />

User Manual<br />

83<br />

LD r, r’<br />

Load<br />

Operation<br />

r ← r’<br />

Description<br />

The r or r’ operand is any of A, B, C, D, E, H, or L. The contents of the r’ register,<br />

which remain unchanged, are loaded into the r register.<br />

Condition Bits Affected<br />

None<br />

Mnemonic Operands ADL Mode Cycles Op Codes<br />

LD r,r’ X 1 kk,<br />

kk = binary code 01 ddd sss’ where ddd identifies the destination A, B, C, D,<br />

E, H, or L register and sss identifies the source A, B, C, D, E, H, or L register<br />

assembled as follows in the object code:<br />

Register<br />

ddd or sss<br />

A 111<br />

B 000<br />

C 001<br />

D 010<br />

E 011<br />

H 100<br />

L 101<br />

UM007701-1100

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