For implementers, the locking model adds a fair amount of non-trivial internal bookkeeping. Every operation must check lock state, readers must be tracked, and the interplay between locks, cancellation, and error states creates a matrix of edge cases that must all be handled correctly.
Россиянам станет тяжелее снять наличные08:49
。旺商聊官方下载对此有专业解读
lda #$90 ; Also the left shadow
Additionally, it makes it easy to take the order of options into account or