oh my smal - smiley and a rectangle! by @lobo

smiley and a rectangle!

3 months ago

// I've just stolen the example code! hahaha

// Note that UXNSMAL is VERY INCOMPLETE!
// Anything could be changed without any notice.
// There is also no documentation, you're on your own.
// Good luck.
//
// http://github.com/bbogdan-ov/uxnsmal
//
// Hot keys:
//     Ctrl-Enter - Compile and run

// This vector function is the entry point of your program.
fun on-reset ( -> ) {
	// Setting the screen size to 128 by 128 pixels.
	128* Screen.width output
	128* Screen.height output

// Setup the palette.
	// The first color is the background of our screen.
	// Our palette looks like this:
	//     #fff, #000, #7db, #f62
	// You can read more here:
	//     https://wiki.xxiivv.com/site/varvara.html#system
	0xf07f* System.red output
	0xf0d6* System.green output
	0xf0b2* System.blue output

// Placing the sprite at 16, 28 pixels
	// from top left corner of the screen.
	16* Screen.x output
	28* Screen.y output
	// Setting the sprite data to draw.
	&smiley Screen.addr output
	// Drawing the sprite using the 4th color in the palette.
	0b00000011 Screen.sprite output

// Setting the top-left corner of the fill at 64, 64.
	64* Screen.x output
	64* Screen.y output
	// Fill the screen with the 3rd color in palette
	// to the bottom-right corner of the screen.
	0b10000010 Screen.pixel output

// A better explanation here:
	//     https://wiki.xxiivv.com/site/varvara.html#screen
}

// Try playing with ones and zeros!
data smiley {
	0b01111110
	0b11111111
	0b10111101
	0b10111101
	0b11111111
	0b10111101
	0b11000011
	0b01111110
}

// Here is all the devices you need to start doing things:
alias enum byte System {
	expansion { 0x02 }
	wst       { 0x04 }
	rst       { 0x05 }
	metadata  { 0x06 }
	red       { 0x08 }
	green     { 0x0a }
	blue      { 0x0c }
	debug     { 0x0e }
	state     { 0x0f }
}

alias enum byte Screen {
	vector { 0x20 }
	width  { 0x22 }
	height { 0x24 }
	auto   { 0x26 }
	x      { 0x28 }
	y      { 0x2a }
	addr   { 0x2c }
	pixel  { 0x2e }
	sprite { 0x2f }
}

alias enum byte Controller {
	vector { 0x80 }
	button { 0x82 }
	key    { 0x83 }
}

alias enum byte Mouse {
	vector  { 0x90 }
	x       { 0x92 }
	y       { 0x94 }
	state   { 0x96 }
	scrollx { 0x9a }
	scrolly { 0x9c }
}

alias enum byte Datetime {
	year   { 0xc0 }
	month  { 0xc2 }
	day    { 0xc3 }
	hour   { 0xc4 }
	minute { 0xc5 }
	second { 0xc6 }
	dotw   { 0xc7 }
	doty   { 0xc8 }
	isdst  { 0xca }
}

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