Set X register to 0 so that 16bit promotion works as expected.

2018-03-20 14:05:55 -07:00 · 2018-03-20 14:05:55 -07:00 · d34c93a464
commit d34c93a464
parent 5d4116f05f
1 changed files with 1 additions and 0 deletions
--- a/libsrc/c128/isfast.s
+++ b/libsrc/c128/isfast.s
@ -14,6 +14,7 @@

        lda     VIC_CLK_128
        and     #$01
+        ldx     #$00
        rts

 .endproc