Routines
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47325: Add To High Byte
Adds a value to the high byte of an address, carrying into the low byte.
Input
A The value
HL The address
Output
HL The new address
AddToHighByte 47325 ADD A,H Plus H.
47326 LD H,A A moves into H.
47327 RET NC Return if the carry flag is reset.
47328 INC L Advance L.
47329 RET Return.
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