@@ -31,7 +31,7 @@ Build the assembler and emulator by running the `build.sh` script. The assembler

 If you wish to build the emulator without graphics mode:

 ```sh

-cc src/devices/datetime.c src/devices/system.c src/devices/file.c src/uxn.c -DNDEBUG -Os -g0 -s src/uxncli.c -o bin/uxncli

+cc src/devices/datetime.c src/devices/system.c src/devices/console.c src/devices/file.c src/uxn.c -DNDEBUG -Os -g0 -s src/uxncli.c -o bin/uxncli

 ```

 ### Plan 9 

@@ -1,6 +1,5 @@

 /*

-Copyright (c) 2021 Devine Lu Linvega

-Copyright (c) 2021 Andrew Alderwick

+Copyright (c) 2021 Devine Lu Linvega, Andrew Alderwick

 Permission to use, copy, modify, and distribute this software for any

 purpose with or without fee is hereby granted, provided that the above

@@ -1,5 +1,5 @@

 /*

-Copyright (c) 2022 Devine Lu Linvega, Andrew Alderwick

+Copyright (c) 2021 Devine Lu Linvega, Andrew Alderwick

 Permission to use, copy, modify, and distribute this software for any

 purpose with or without fee is hereby granted, provided that the above

@@ -1,6 +1,5 @@

 /*

-Copyright (c) 2021 Devine Lu Linvega

-Copyright (c) 2021 Andrew Alderwick

+Copyright (c) 2021 Devine Lu Linvega, Andrew Alderwick

 Permission to use, copy, modify, and distribute this software for any

 purpose with or without fee is hereby granted, provided that the above

@@ -77,12 +77,23 @@ system_inspect(Uxn *u)

 void

 system_connect(Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo)

 {

-	/* printf("%02x -> v%d %04x %04x\n", device, ver, dei, deo); */

 	dev_vers[device] = ver;

 	dei_mask[device] = dei;

 	deo_mask[device] = deo;

 }

+int

+system_version(void)

+{

+	int i;

+	printf("Varvara Emulator 1.0\n");

+	printf("Device Version Dei  Deo\n", i, dev_vers[i], dei_mask[i], deo_mask[i]);

+	for(i = 0; i < 0x10; i++)

+		if(dev_vers[i])

+			printf("%6x %7d %04x %04x\n", i, dev_vers[i], dei_mask[i], deo_mask[i]);

+	return 0;

+}

+

 /* IO */

 void

@@ -16,6 +16,7 @@ WITH REGARD TO THIS SOFTWARE.

 #define RAM_PAGES 0x10

 void system_connect(Uint8 device, Uint8 ver, Uint16 dei, Uint16 deo);

+int system_version(void);

 int system_load(Uxn *u, char *filename);

 void system_inspect(Uxn *u);

 int system_error(char *msg, const char *err);

@@ -9,8 +9,6 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 WITH REGARD TO THIS SOFTWARE.

 */

-#define PAGE_PROGRAM 0x0100

-

 /* clang-format off */

 #define POKE2(d, v) { (d)[0] = (v) >> 8; (d)[1] = (v); }

@@ -20,6 +18,8 @@ WITH REGARD TO THIS SOFTWARE.

 /* clang-format on */

+#define PAGE_PROGRAM 0x0100

+

 typedef unsigned char Uint8;

 typedef signed char Sint8;

 typedef unsigned short Uint16;

@@ -47,17 +47,22 @@ main(int argc, char **argv)

 	Uxn u;

 	int i = 1;

 	if(i == argc)

-		return system_error("usage", "uxncli file.rom [args..]");

-	if(!uxn_boot(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8))))

-		return system_error("Boot", "Failed");

-	if(!system_load(&u, argv[i++]))

-		return system_error("Load", "Failed");

-	/* connect devices */

+		return system_error("usage", "uxncli [-v] file.rom [args..]");

+	/* Boot Varvara */

 	system_connect(0x0, SYSTEM_VERSION, SYSTEM_DEIMASK, SYSTEM_DEOMASK);

 	system_connect(0x1, CONSOLE_VERSION, CONSOLE_DEIMASK, CONSOLE_DEOMASK);

 	system_connect(0xa, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);

 	system_connect(0xb, FILE_VERSION, FILE_DEIMASK, FILE_DEOMASK);

 	system_connect(0xc, DATETIME_VERSION, DATETIME_DEIMASK, DATETIME_DEOMASK);

+	if(!uxn_boot(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8))))

+		return system_error("Boot", "Failed");

+	/* Read flags */

+	if(argv[i][0] == '-' && argv[i][1] == 'v')

+		return system_version();

+	/* Load rom */

+	if(!system_load(&u, argv[i++]))

+		return system_error("Load", "Failed");

+	/* Game Loop */

 	u.dev[0x17] = argc - i;

 	if(uxn_eval(&u, PAGE_PROGRAM)) {

 		for(; i < argc; i++) {