ldq {.data `------`},$ pmme .EMMS,0
The Q register must contain 6 BCD dashes (`------`).
On successful return the following registers are set.
Entry key PK.EMS, "Enter_Master_Mode".
PMME .EMMS is used to enter master mode and gain access to some important system segments.
The descriptors in P.PSH, P.SSL and P.CR have read and write permission. As long as the process remains in master mode, the system will update X7 with the current processor on each dispatch.
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