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# uxn tutorial: day 2, the screen
this is the second section of the <(uxn tutorial)>!
this is the second section of the {uxn tutorial}!
in this section we start exploring the visual aspects of the uxn computer: we talk about the fundamentals of the screen device so that we can start drawing on it!
we also discuss working with shorts (2-bytes) besides single bytes.
if you haven't done it already, i recommend you read the previous section at <(uxn tutorial day 1)>
if you haven't done it already, i recommend you read the previous section at {uxn tutorial day 1}
# where are your shorts?
@ -547,7 +547,7 @@ for example, we could design a tile that corresponds to the outline of an 8x8 sq
as each of the rows is a byte, we can encode them as hexadecimal numbers instead of binary.
it's worth noting (or remembering) that groups of four bits correspond to a nibble, and each possible combination in a nibble can be encoded as an <(hexadecimal)> digit.
it's worth noting (or remembering) that groups of four bits correspond to a nibble, and each possible combination in a nibble can be encoded as an {hexadecimal} digit.
based on that, we could encode our square as follows:
@ -1146,7 +1146,7 @@ we also covered the short mode, that indicates the cpu that it should operate wi
# coming soon: day 3
in the next section of the <(uxn tutorial)> we'll start working with interactivity in the screen!
in the next section of the {uxn tutorial} we'll start working with interactivity in the screen!
meanwhile, i invite you to take a break, and keep exploring drawing in the uxn screen via code!
@ -1154,4 +1154,4 @@ stay tuned!
# support
if you found this tutorial to be helpful, consider sharing it and giving it your <(support)> :)
if you found this tutorial to be helpful, consider sharing it and giving it your {support} :)