progress on sprites

src/main.ha

@@ -132,6 +132,9 @@ export fn main() void = {
 			// fmt::printfln("Setting window to width: {:x} height: {:x}", dims.width, dims.height)!;
 			if((dims.width != 0) && (dims.height !=0)){
 				sdl3::DestroyTexture(meadow_texture);
+				free(pixeldata);
+				pixeldata = alloc([0...])!; //TODO figure out actual size
+
 				let w: int = dims.width: int;
 				let h: int = dims.height: int;
 
@@ -184,11 +187,14 @@ export fn main() void = {
 				if((dims.width != w: u16) || (dims.height != h: u16)){
 					// fmt::println("Dimensions not allowed!")!;
 					//TODO handle this maybe
+					uxn::set_window_size(w: u16,h: u16,state);
 					sdl3::DestroyTexture(meadow_texture);
+					free(pixeldata);
+					pixeldata = alloc([0...])!; //TODO figure out actual size
 					let old_w: int = dims.width: int;
 					let old_h: int = dims.height: int;
 
-					fmt::printfln("Setting window to width: {} height: {}", w, h)!;
+					fmt::printfln("User setting window to width: {} height: {}", w, h)!;
 					sdl3::SetWindowSize(win,w,h)!;
 			
 					meadow_texture = sdl3::CreateTexture(render,

uxn/uxn.ha

@@ -64,6 +64,14 @@ export fn get_window_size(state: *uxn) struct{width: u16, height: u16} = {
 	return result;
 };
 
+export fn set_window_size(w: u16, h: u16, state: *uxn) void = {
+
+	state.dev[0x22] = (w >> 8): u8;
+	state.dev[0x23] = (w): u8;
+	state.dev[0x24] = (h >> 8): u8;
+	state.dev[0x25] = (h): u8;
+};
+
 fn emu_dei(port: u8, state: *uxn) u8 = {
 	let val = state.dev[port];
 	// fmt::printfln("Read {:x} from port {:x}", val, port)!;
@@ -252,10 +260,16 @@ fn copy_sprite_to_screen(bpp2: bool, colors: u8, x: u16, y: u16, addr: u16, flip
 		};
 
 		for(let p .. pixels){
-			const color = p; //TODO handle right;
-			fmt::printfln("Drawing 2bpp: {} Sprite Pixel to x: {} y: {} color: {}", bpp2, x+xoff, y+yoff, p)!;
-			if(layer1) { state.screen.1[x+xoff][y+yoff] = p; }
-			else {state.screen.0[x+xoff][y+yoff] = p; };
+			const color: u8 = if (bpp2){
+				yield p: u8; // implement real value based on colors value
+			}else {
+				if( p == 0 ) yield 0: u8;
+				yield colors: u8;
+				
+			} & 0b00000011;
+			// fmt::printfln("Drawing 2bpp: {} Sprite Pixel to x: {} y: {} color: {}", bpp2, x+xoff, y+yoff, p)!;
+			if(layer1) { state.screen.1[x+xoff][y+yoff] = color; }
+			else {state.screen.0[x+xoff][y+yoff] = color; };
 			xoff += 1;
 			if(xoff >= 8){
 				xoff = 0;
@@ -272,7 +286,7 @@ export fn get_color(x: u16, y: u16, state: *uxn) u16 = {
 	// check layer 1
 	let color = state.screen.1[x][y] & 0b00000011;
 	if(color == 0){
-		color = state.screen.0[x][y];
+		color = state.screen.0[x][y] & 0b00000011;
 	};
 	return state.palette[color];
 };