Always end TOSIXB with writing a 0 byte

2026-01-11 20:40:15 +01:00
parent 8ad238fa81
commit 84ff13708e
1 changed files with 2 additions and 1 deletions
--- a/src/sudoku.s
+++ b/src/sudoku.s
@@ -78,7 +78,8 @@ TOSLP:  ILDB  D,A                     ;Load the next character from A.
        SUBI  D,40                    ;Convert 32..95 to 0..63
        IDPB  D,B                     ;Deposit the character in the destination.
        JRST  TOSLP                   ;Repeat with next character.
-TOSEN:  POP   P,D                     ;Restore the D register.
+TOSEN:  IDPB  D,[000]                 ;Make sure the last char is 0
+        POP   P,D                     ;Restore the D register.
        POPJ  P,                      ;Return from function.

 ;Subroutine to print a string of text on the output.