Initial gui commit.

Very much WIP trying to find a good way to keep components self
contained and composable.

src/main.odin

@@ -4,6 +4,7 @@ import "core:log"
 import "core:mem"
 
 import chip "machine"
+import gui "gui"
 
 DEV :: #config(DEV, false)
 
@@ -22,17 +23,17 @@ main :: proc() {
 	// Init the Chip 8 "cpu"
 	system := chip.init()
 
+	// TODO: move this into a gui component
 	// load rom, hardcoded for now, will eventually be cli or gui
-	// err := chip.load_rom(&system, "./test_roms/2-ibm-logo.ch8")
-	// err := chip.load_rom(&system, "./test_roms/1-chip8-logo.ch8")
-	// err := chip.load_rom(&system, "./test_roms/4-flags.ch8")
-	err := chip.load_rom(&system, "./test_roms/6-keypad.ch8")
+	err := chip.load_rom(&system, "./test_roms/7-beep.ch8")
 	if err != nil {
 		panic("failed to load rom!")
 	}
 
-	// start the cycle
-	chip.run_system(&system)
+	// gui will init the layout etc, it will require reference to
+	// the system as it will use its display buffer etc
+	// NOTE: may just need a few fields rather than whole struct check later
+	gui.init_gui(&system)
 
 	when DEV {
 		if len(track.allocation_map) > 0 {