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# variables are always references
# read their address with their names: x (can't write to their address)
# read/write their contents with a lookup: *x
var x : char
fn main [
call read 0/stdin, x, 1/size # watch out; reading a global may not be possible in all instructions
# but the address is more easily obtained
result/EAX <- call write 1/stdout, x, 1/size
call exit, result/EAX
]
fn exit x : int [
code/EBX <- copy x
code/EAX <- copy 1/exit
syscall
]
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