how can I use readprocessmemory?

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int pid = ProcessNameToId("notepad" 0 1)
__ProcessMemory m.Alloc(pid 0 1) ;;just opens process, does not allocate
int scp
m.ReadOther(+0x0100A5f1, &scp, 2)
err end _error
out scp

The above code gives me an error. I am on Windows7 64 bit if that helps any.

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Error (RT) in Macro:  Only part of a ReadProcessMemory or WriteProcessMemory request was completed.

I tried running the same code again and it gave me a new error.

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Error (RT) in Macro:  Invalid access to memory location.