Use the extension .wall for wallpapers

.gitignore

@@ -1,3 +1,4 @@
 *.bin
 *.img
+*.wall
 ponydos.inc

Makefile

@@ -2,11 +2,11 @@ NASM = nasm
 PYTHON = python3
 
 .SUFFIXES:
-.SUFFIXES: .bin .asm .ansi
+.SUFFIXES: .bin .asm .ans .wall
 
 all: ponydos.img
 
-FS_FILES = wallpaper.bin shell.bin
+FS_FILES = wallpaper.wall shell.bin
 
 ponydos.img: ponydos.bin $(FS_FILES)
 	$(PYTHON) assemble_floppy.py $@ ponydos.bin $(FS_FILES)
@@ -21,14 +21,14 @@ shell.bin: ponydos.inc
 .asm.bin:
 	$(NASM) -fbin -o $@ $<
 
-.ansi.bin:
+.ans.wall:
 	$(PYTHON) process_wallpaper.py $@ $< 7 0 0 0
 
 run: ponydos.img
 	qemu-system-i386 -fda $<
 
 clean:
-	rm -f *.bin *.img ponydos.inc
+	rm -f *.bin *.img *.wall ponydos.inc
 
 distclean: clean
 

shell.asm

@@ -500,7 +500,7 @@ forward_event:
 	pop bp
 	ret
 
-wallpaper_name db 'wallpaper.bin', 0
+wallpaper_name db 'wallpaper.wall', 0
 
 %include "debug.inc"