24
Command Summary
3.10
Draw a
Filled Circle
Dec
Hex
ASCII
254 124
FE 7C
■
|
X Y Radius
X Y Radius
X Y Radius
v8.3
Draw a filled circle using the current drawing colour.
X
Byte
Horizontal coordinate of the circle centre.
Y
Byte
Vertical coordinate of the circle centre.
Radius
Byte
Distance between the circle perimeter and centre.
3.11
Draw
an Ellipse
Dec
Hex
ASCII
254 125
FE 7D
■
}
X Y XRadius YRadius
X Y XRadius YRadius
X Y XRadius YRadius
v8.3
Draw an elliptical frame one pixel wide using the current drawing colour.
X
Byte
Horizontal coordinate of the ellipse centre, zero indexed from left.
Y
Byte
Vertical coordinate of the ellipse centre, zero indexed from top.
XRadius
Byte
Distance between the furthest horizontal point on the ellipse perimeter and centre.
YRadius
Byte
Distance between the furthest vertical point on the ellipse perimeter and centre.
3.12
Draw a
Filled Ellipse
Dec
Hex
ASCII
254 127
FE 7F
■
DEL
X Y XRadius YRadius
X Y XRadius YRadius
X Y XRadius YRadius
v8.3
Draw an ellipse using the current drawing colour.
X
Byte
Horizontal coordinate of the ellipse centre, zero indexed from left.
Y
Byte
Vertical coordinate of the ellipse centre, zero indexed from top.
XRadius
Byte
Distance between the furthest horizontal point on the ellipse perimeter and centre.
YRadius
Byte
Distance between the furthest vertical point on the ellipse perimeter and centre.
3.13
Scroll
Screen
Dec
Hex
ASCII
254 89
FE 59
■
Y
X1 Y1 X2 Y2 MoveX MoveY
X1 Y1 X2 Y2 MoveX MoveY
X1 Y1 X2 Y2 MoveX MoveY
v8.3
Define and scroll the contents of a portion of the screen.
X1
Byte
Leftmost coordinate of the scroll window, zero indexed from left.
Y1
Byte
Topmost coordinate of the scroll window, zero indexed from top.
X2
Byte
Rightmost coordinate of the scroll window, zero indexed from left.
Y2
Byte
Bottommost coordinate of the scroll window, zero indexed from top.
MoveX
Signed Short
Number of pixels to scroll horizontally.
MoveY
Signed Short
Number of pixels to scroll vertically.
