Specifications

Hardware description
5.11.5 Writing a pixel
extern macro proc
Timing:
Description:
ncatenation of the red, green
se
components are each 10 bits wide. In 24-bit mode, the lower DAC bits are
suitably padded to use the entire output range.
RC200VideoOutEnable() before using these macros.
o expr R ideoOutGetX ();
o expr R
cription:
Macro expressions that return the current scan position of the screen output. A
call to
RC200VideoOutWrite24() or RC200VideoOutWrite30() will
en returned by these methods.
o ex 00VideoOutGetHBlank ();
o ex
arameters:
None.
Description:
Macro expressions that return the horizontal or vertical blanking status of the
igned 1.
o expr 0VideoOutGetHSync ();
o expr
arameters:
None.
Description:
Macro expressions that return the horizontal or vertical sync status of the current
unsigned 1.
RC200VideoOutWrite24 (RGB24);
extern macro proc RC200VideoOutWrite30 (RGB30);
Parameters:
RGB24: Compound colour expression, of type unsigned 24.
RGB30: Compound colour expression, of type unsigned 30.
1 clock cycle.
Writes a single pixel to the display, at the current scan position.
In both cases the video output expression is a co
and blue components (i.e. R @ G @ B). In the case of 24-bit colour, the
components are each 8 bits wide. In the case of 30-bit colour, these
You must call
5.11.6 Current scan position
extern macr C200V
extern macr C200VideoOutGetY ();
None.
Parameters:
Des
write a colour to the position on scre
5.11.7 Blanking status of current scan position
extern macr pr RC2
extern macr pr RC200VideoOutGetVBlank ();
P
current scan position, as type
uns
5.11.8 Horizontal and vertical sync status
extern macr RC20
extern macr RC200VideoOutGetVSync ();
P
scan position, as type
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