recipes/rc2014/eeprom: fix broken a28w args passing

That's why the command seemed slow! It's much faster than I thought.

apps/at28w/main.asm

@@ -26,7 +26,7 @@ at28wInner:
 	ld	b, h
 	ld	c, l
 	ld	hl, AT28W_MEMSTART
-	call	at28BCZero
+	call	at28wBCZero
 	jr	nz, .loop
 	; BC is zero, default to 0x2000 (8x, the size of the AT28)
 	ld	bc, 0x2000
@@ -55,7 +55,7 @@ at28wInner:
 	jr	nz, .mismatch
 	inc	hl
 	dec	bc
-	call	at28BCZero
+	call	at28wBCZero
 	jr	nz, .loop
 
 .loopend:
@@ -67,7 +67,7 @@ at28wInner:
 	ld	a, AT28W_ERR_MISMATCH
 	ret
 
-at28BCZero:
+at28wBCZero:
 	xor	a
 	cp	b
 	ret	nz

recipes/rc2014/eeprom/README.md

@@ -66,8 +66,8 @@ as at argument to `a28w`. You can run:
     > seek 00 0000
     > a28w <size-of-contents>
 
-It takes a while to write. About 1 second per byte (soon, I'll implement page
-writing which should make it much faster).
+It takes a little while to write. About 1 second per 0x100 bytes (soon, I'll
+implement page writing which should make it much faster).
 
 If the program doesn't report an error, you're all good! The program takes care
 of verifying each byte, so everything should be in place. You can verify

recipes/rc2014/eeprom/glue.asm

@@ -62,7 +62,7 @@ init:
 	jp	shellLoop
 
 a28wCmd:
-	.db	"a28w", 0b011, 0b001
+	.db	"a28w", 0b011, 0b001, 0
 	ld	a, (hl)
 	ld	(AT28W_MAXBYTES+1), a
 	inc	hl