alignment fixes

libsrc/cx16/tgi/cx640p1.s

@@ -253,15 +253,13 @@ CLEAR:
 
         ; set cache writes
         lda     #$40
-    tsb $9F29 ;VERA_FX_CTRL
+        tsb     VERA::DISP::VIDEO        ; VERA_FX_CTRL when DCSEL=2
 
         ; set FX cache to all zeroes
         lda     #(6 << 1)
         sta     VERA::CTRL
 
         lda     #$00
-
-ahead:
         sta     VERA::DISP::VIDEO
         sta     VERA::DISP::HSCALE
         sta     VERA::DISP::VSCALE
@@ -275,18 +273,18 @@ ahead:
         sta     VERA::ADDR + 2
 
         ldy     #$F0
-blank_outer:
+@blank_outer:
         ldx     #$0A
-blank_loop:
+@blank_loop:
 
         .repeat 8
         stz VERA::DATA0
         .endrep
 
         dex
-    bne blank_loop
+        bne     @blank_loop
         dey
-    bne blank_outer
+        bne     @blank_outer
 
         ; set up DCSEL=2
         lda     #(2 << 1)