error: rs-overwrite.asm(1):
    Built-in symbol '_RS' cannot be purged
error: rs-overwrite.asm(4):
    '_RS' already defined at <builtin>
error: rs-overwrite.asm(10):
    '_RS' already defined at rs-overwrite.asm(7)
error: rs-overwrite.asm(16):
    '_RS' already defined as non-EQU at rs-overwrite.asm(13)
error: rs-overwrite.asm(19):
    '_RS' already defined as non-EQUS at rs-overwrite.asm(13)
Assembly aborted with 5 errors!