Hardware description
Parameters:
None.
Timing:
Typically 1 clock cycle.
Description:
Enables the video output.
You need to call this macro before you call
RC200VideoOutWrite24()
or
RC200VideoOutWrite30()
.
5.11.3 Querying screen sizes
extern macro expr RC200VideoOutGetVisibleX (
Mode
,
ClockRate
);
extern macro expr RC200VideoOutGetVisibleY (
Mode
);
extern macro expr RC200VideoOutGetTotalX (
Mode
,
ClockRate
);
extern macro expr RC200VideoOutGetTotalY (
Mode
);
extern macro expr RC200VideoOutGetVisibleXCT (
Mode
,
ClockRate
);
extern macro expr RC200VideoOutGetVisibleYCT (
Mode
);
extern macro expr RC200VideoOutGetTotalXCT (
Mode
,
ClockRate
);
extern macro expr RC200VideoOutGetTotalYCT (
Mode
);
Ï
Y resolutions are independent of clock rate.
Parameters:
in Hz. Used to determine the horizontal screen
Description:
to
r of rows and
tion parameter. As a
result, the return value is also a compile time constant.
o proc RC200Vi
Disable ();
rs:
escription:
Disables the video output.
Mode
: A video mode expression.
ClockRate
: Clock rate of the clock domain of the call to
RC200VideoOutRun()
resolution.
Macro expressions which return the dimensions of the visible screen (from 0
-1), and the total numbe
RC200VideoOutGetVisibleXY()
columns scanned in including blanking.
"CT" variants require a compile time constant mode, i.e. the
Mode
parameter
must not be store in a variable or passed through a func
5.11.4 Disabling video output
extern macr
deoOut
Paramete
None.
Timing:
Typically 1 clock cycle.
D
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