Updated the cx16 library to the Commander X16 Kernal's prerelease 35.

2019-12-25 10:56:32 -05:00
parent cab4910a7d
commit 3fa253d31f
31 changed files with 508 additions and 271 deletions
--- a/libsrc/cx16/kbhit.s
+++ b/libsrc/cx16/kbhit.s
@@ -1,5 +1,5 @@
 ;
-; 2019-11-06, Greg King
+; 2019-12-22, Greg King
 ;
 ; unsigned char kbhit (void);
 ; /* Returns non-zero (true) if a typed character is waiting. */
@@ -11,7 +11,10 @@


 .proc   _kbhit
+        ldy     VIA1::PRA2      ; (KEY_COUNT is in RAM bank 0)
+        stz     VIA1::PRA2
        lda     KEY_COUNT       ; Get number of characters
+        sty     VIA1::PRA2
        tax                     ; High byte of return (only its zero/nonzero ...
-        rts			; ... state matters)
+        rts                     ; ... state matters)
 .endproc