Sharp MZ-5500 - Page 96

°Priority
As discussed previously, priority is used to determine the priority
of the window display; the value 0 to 3 must be set in registers.
windows are overlaid, the layout of windows can be set upside down
flicker of moment by changing the priority.
order
When
in a
[Ex]
pwo ·PWl PW2 PW3
0010 1110111
PWO PWl PW2 PW3
o 0' 1 1/0 111 0 I
d
:>
Fig.15-5
Except the following, different priority values must be given.
NOTE-1 :
When
only one window was set to mapping RAM*l, it does not matter even if
the same value . other than 0 is set for all.
NOTE-2:
If windows are not overlaid as in the figure
right, it does not matter even if the same
~alue other than 0 is set for all.
NOTE-3:
When all priority registers are set to 0, it
disables the window function so that the
address from the GDC is directly sent out.
In this event, there is 8. n~ed of setting
VDS accordingly.
*- 1 li\ef~r tc -the se c -L; o l1
i
Mc\ppil'l'j RAM.
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