7 lines
299 B
Plaintext
7 lines
299 B
Plaintext
LDA $DD00 + AND #$F7 + STA $DD00 + RTS
|
|
|
|
$DD00 is a hardware register, where one typically set/unset/read individual bits.
|
|
Having a set of trivial helper subroutines to set/clear individual bits (or groups of bits) is an obvious solution (thus not copyrightable), some similarities are unevitable.
|
|
|
|
|