Organize the engine/ directory, take 3

Renamed `title` to `movies`.
Moved some functions from `engine/routines/` to their fitting
directories, and cleaned up the base `engine/` directory.
Moved `engine/pokemon/tmhm.asm` back to `engine/items/`.

Made a new subdirectory:
* engine/tilesets: Contains all map-related graphics routines.

1 files changed, 0 insertions, 86 deletions

diff --git a/engine/engine_flags.asm b/engine/engine_flags.asm
deleted file mode 100644
index acda9ede7..000000000
--- a/engine/engine_flags.asm
+++ /dev/null
@@ -1,86 +0,0 @@
-EngineFlagAction:: ; 80430
-; Do action b on engine flag de
-;
-;   b = 0: reset flag
-;     = 1: set flag
-;     > 1: check flag, result in c
-;
-; Setting/resetting does not return a result.
-
-
-; 16-bit flag ids are considered invalid, but it's nice
-; to know that the infrastructure is there.
-
-	ld a, d
-	cp 0
-	jr z, .ceiling
-	jr c, .read ; cp 0 can't set carry!
-	jr .invalid
-
-; There are only $a2 engine flags, so
-; anything beyond that is invalid too.
-
-.ceiling
-	ld a, e
-	cp NUM_ENGINE_FLAGS
-	jr c, .read
-
-; Invalid flags are treated as flag 00.
-
-.invalid
-	xor a
-	ld e, a
-	ld d, a
-
-; Get this flag's location.
-
-.read
-	ld hl, EngineFlags
-; location
-	add hl, de
-	add hl, de
-; bit
-	add hl, de
-
-; location
-	ld e, [hl]
-	inc hl
-	ld d, [hl]
-	inc hl
-; bit
-	ld c, [hl]
-
-; What are we doing with this flag?
-
-	ld a, b
-	cp 1
-	jr c, .reset ; b = 0
-	jr z, .set   ; b = 1
-
-; Return the given flag in c.
-.check
-	ld a, [de]
-	and c
-	ld c, a
-	ret
-
-; Set the given flag.
-.set
-	ld a, [de]
-	or c
-	ld [de], a
-	ret
-
-; Reset the given flag.
-.reset
-	ld a, c
-	cpl ; AND all bits except the one in question
-	ld c, a
-	ld a, [de]
-	and c
-	ld [de], a
-	ret
-; 80462
-
-
-INCLUDE "data/engine_flags.asm"