Some fine tuning of the mouse driver interface harmonization.

libsrc/apple2/mcbdefault.s

@@ -26,8 +26,8 @@ visible:.res    1
 _mouse_def_callbacks:
         .addr   hide
         .addr   show
+        .addr   prep
         .addr   draw
-        .addr   move
         .addr   movex
         .addr   movey
 
@@ -76,7 +76,7 @@ hide:
         ; Fall through
 
 ; Prepare to move the mouse cursor.
-move:
+prep:
         jsr     getcursor       ; Cursor visible at current position?
         bne     done            ; No, we're done
         lda     backup          ; Get character at cursor position

libsrc/apple2/mou/a2.stdmou.s

@@ -57,8 +57,8 @@ status          := $0778
         ; Callback table, set by the kernel before INSTALL is called
 CHIDE:  jmp     $0000                   ; Hide the cursor
 CSHOW:  jmp     $0000                   ; Show the cursor
+CPREP:  jmp     $0000                   ; Prepare to move the cursor
 CDRAW:  jmp     $0000                   ; Draw the cursor
-CMOVE:  jmp     $0000                   ; Prepare to move the cursor
 CMOVEX: jmp     $0000                   ; Move the cursor to X coord
 CMOVEY: jmp     $0000                   ; Move the cursor to Y coord
 
@@ -411,7 +411,7 @@ done:   rts
         beq     :+
 
         ; Remove the cursor at the old position
-update: jsr     CMOVE
+update: jsr     CPREP
 
         ; Get and set the new X position
         ldy     slot