atari5200: conio now uses just four colors altogether

See discussion in PR #870.
2019-04-05 01:26:34 +02:00
parent 79b9a8d2df
commit be6bba66a9
11 changed files with 173 additions and 59 deletions
--- a/libsrc/atari5200/cputc.s
+++ b/libsrc/atari5200/cputc.s
@@ -82,8 +82,8 @@ putchar:
        sta     ptr4+1
        pla                     ; get char again

-;       and     #$C0            ; without this we are compatible with the old version. user must not try to output a char >= $3F
-        ora     conio_color
+        and     #$3F            ; clear palette index bits
+        ora     conio_color     ; use currently selected palette

        ldy     COLCRS_5200
        sta     (ptr4),y