Save another 3 bytes

2020-07-13 12:09:01 +03:00 · 2020-07-13 12:09:01 +03:00 · e2ec517aae
commit e2ec517aae
parent 306f421aa9
1 changed files with 3 additions and 5 deletions
--- a/libsrc/vic20/tgi/vic20-hi.s
+++ b/libsrc/vic20/tgi/vic20-hi.s
@ -270,16 +270,14 @@ PATTERN_SOLID:

@NEXT_COLUMN:
        sta     (tmp2),y
-        adc     #ROWS
        iny
-        cpy     #COLS
-        bne     @NEXT_COLUMN
+        adc     #ROWS
+        bcc     @NEXT_COLUMN

 ; Step to next row on screen.

        lda     tmp2
-        clc
-        adc     #COLS
+        adc     #COLS-1         ; Carry is set
        sta     tmp2

        inx