ack/plat/em/libsys/_dup2.e
David Given 7eaa235fd1 Bodge the ancient em monitor library into building as a libsys for the em22
plat. It's completely untested, but it builds and makes e.out executables.
2018-06-13 21:44:25 +09:00

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#
mes 2,EM_WSIZE,EM_PSIZE
exp $_dup2
pro $_dup2,0
lal 0
loi 2*EM_WSIZE
loc 64
ior EM_WSIZE
loc 41
mon
zeq *1
ste errno
loc -1
1
ret EM_WSIZE
end