Long description

mutex underscore lock colon

TSL REGISTER coma MUTEX vertical line copy mutex to register and set mutex to 1

CMP REGISTER coma hash 0 vertical line was mutex zero question mark

JZE ok vertical line if it was zero coma mutex was unlocked coma so return

CALL thread underscore yield vertical line mutex is busy semicolon schedule another thread

JMP mutex underscore lock vertical line try again

ok colon RET vertical line return to caller semicolon critical region entered

mutex underscore unlock colon

MOVE MUTEX coma hash 0 vertical line store a 0 in mutex

RET vertical line return to caller