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Posted By

George
on 2012-11-23
03:29:57
 Re: Draw a single pixel in assembler

Hi gerliczer,

sorry for the name, i did not realized the z.

i tried now this:

LDX #0
LDY #100
loop01
; loop
INX
LDY #100
JSR drawpixel
CPX #$FF
BNE loop01

it draws the line until x=8 than it seems to stop.

Found it my self...
i have to store X position in a memory location. And load it again.


Update: 2012-11-23
The Draw-Pixel function above draws a pixel at position xyy in Hires-Mode (320x200).
How must the function be changed to draw a pixel in Multicolor mode (160x200)?
Couldn't find it out myself.




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