Updated cx16 to match the Commander X16 ROMs and emulator, release 34.

2019-11-16 13:11:40 -05:00
parent 4dda5d2173
commit d78133e1f0
37 changed files with 607 additions and 182 deletions
--- a/libsrc/cx16/kbhit.s
+++ b/libsrc/cx16/kbhit.s
@@ -1,5 +1,5 @@
 ;
-; 2019-09-20, Greg King
+; 2019-11-06, Greg King
 ;
 ; unsigned char kbhit (void);
 ; /* Returns non-zero (true) if a typed character is waiting. */
@@ -11,7 +11,7 @@


 .proc   _kbhit
-        ldx     #>$0000         ; High byte of return
        lda     KEY_COUNT       ; Get number of characters
-        rts
+        tax                     ; High byte of return (only its zero/nonzero ...
+        rts			; ... state matters)
 .endproc