Routines
Prev: 7211 Up: Map Next: 721F
7218: Reset Routine
Used by the routine at ResetAttributes.
Input
HL Target address
B Single byte representing the MSB of the end address (will always end on LSB 00)
C Value to write
ResetCopier 7218 LD (HL),C Write C to the target address.
7219 INC HL Increment the target address by one.
721A LD A,H Are we finished yet? Check the MSB of the target vs. B.
721B CP B
721C JR C,ResetCopier Keep looping back to ResetCopier until there is no carry-over.
721E RET Return.
View the equivalent code in;
Prev: 7211 Up: Map Next: 721F