another size optimization, make bgcolor() much more robust

2015-10-13 04:14:04 +02:00
parent f462c173fb
commit 08d7eefdd7
2 changed files with 125 additions and 71 deletions
--- a/libsrc/c64/soft80_cputc.s
+++ b/libsrc/c64/soft80_cputc.s
@@ -8,6 +8,7 @@
        .export         soft80_cputcxy, soft80_cputc
        .export         soft80_cputdirect, soft80_putchar
        .export         soft80_newline, soft80_plot
+        .export         soft80_checkchar

        .import         popa, _gotoxy

@@ -470,15 +471,14 @@ soft80_putcolor:
 ; test if there is a space or a character at current position
 ;
 ; in:  x = $34
-;      y must be $00
+;      $01 must be $34
+;
 ; out: SEC: space
 ;      CLC: character
 ;      x = $34
 ;      y = $00
 soft80_checkchar:

-        ;ldy     #$00                            ; is still $00
-
        lda     soft80_internal_cursorxlsb
        bne     @l1a