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/cputc.s
+++ b/libsrc/cx16/cputc.s
@@ -78,7 +78,7 @@ plot:   ldy     CURS_X


 ; Write one screen-code and color to the video RAM without doing anything else.
-; Return the x position in Y.
+; Return the x position in .Y .

 putchar:
        ora     RVS             ; Set revers bit
@@ -90,7 +90,7 @@ putchar:
        sta     VERA::ADDR+2
        ldy     CURS_X          ; Get character column
        tya
-        asl     a
+        asl     a               ; Each character has two bytes
        sta     VERA::ADDR
        stx     VERA::DATA0
        lda     CHARCOLOR