vga-emu 0.2.1

//Rectangle example from https://github.com/jagregory/abrash-black-book/blob/master/src/chapter-48.md (LISTING 48.2)

use std::sync::Arc;

use vgaemu::screen;
use vgaemu::util;
use vgaemu::{SCReg, set_vertical_display_end};

static PATT_TABLE: [[u8; 16]; 16] = [
	[10,0,10,0,0,10,0,10,10,0,10,0,0,10,0,10],
	[9,0,0,0,0,9,0,0,0,0,9,0,0,0,0,9],
    [5,0,0,0,0,0,5,0,5,0,0,0,0,0,5,0],
	[14,0,0,14,0,14,14,0,0,14,14,0,14,0,0,14],
	[15,15,15,1,15,15,1,1,15,1,1,1,1,1,1,1],
	[12,12,12,12,6,6,6,12,6,6,6,12,6,6,6,12],
	[80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,15],
	[78,78,78,78,80,80,80,80,82,82,82,82,84,84,84,84],
	[78,80,82,84,80,82,84,78,82,84,78,80,84,78,80,82],
	[78,80,82,84,78,80,82,84,78,80,82,84,78,80,82,84],
	[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15],
	[0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3],
	[14,14,9,9,14,9,9,14,9,9,14,14,9,14,14,9],
	[15,8,8,8,15,15,15,8,15,15,15,8,15,8,8,8],
	[3,3,3,3,3,7,7,3,3,7,7,3,3,3,3,3],
	[0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,89],
];

pub fn main() {
	let vga = vgaemu::new(0x13);

	//enable Mode X
	let mem_mode = vga.get_sc_data(SCReg::MemoryMode);
	vga.set_sc_data(SCReg::MemoryMode, (mem_mode & !0x08) | 0x04); //turn off chain 4 & odd/even
	set_vertical_display_end(&vga, 480);

	for j in 0..4 {
		for i in 0..4 {
			util::fill_pattern_x(&vga, i*80, j*60, i*80+80, j*60+60, 0, &PATT_TABLE[j*4+i]);
		}
	}

	let vga_m = Arc::new(vga);

	let options: screen::Options = vgaemu::screen::Options {
		show_frame_rate: true,
		..Default::default()
	};
	screen::start(vga_m, options).unwrap()
}