Routines
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49042: Add A To HL
Used by the routines at CountSectorPrograms, UpdateBatteryBar_Increase, CheckBatteryLow, QueueProgram, DrawSprite and PlayNote.
Adds an 8-bit number to a 16-bit number.
Input
A Number to add
HL Number to add it to
Output
HL Result
AddAToHL 49042 ADD A,L Add A to L and return if that did not carry.
49043 LD L,A
49044 RET NC
49045 INC H Carry on into the high byte.
49046 RET Return.
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