NEC CP/M-86 - Page 149

GSX-86: Graphics for the APe
CLOSE WORKSTATION
The Close Workstation operation terminates the graphics device properly and
prevents any further output to the device.
Input
Output
contrl(l)
contrl(2)
contrl(3)
CLEAR WORKSTATION
Opcode = 2
o
o
The Clear Workstation operation causes CRT screen to be erased and hardcopy
devices to perform a top-of-form operation. On plotters without paper advance, the
operator is prompted to load a new page.
Input
Output
contrl(l)
contrl(2)
contrl(3)
UPDATE WORKSTATION
Opcode = 3
o
o
The Update Workstation operation causes all pending graphics commands which
are queued to be executed immediately.
Input
Output
contrl(l)
contrl(2)
contr1(3)
Opcode = 4
o
o
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