STOP key now terminates loading, some cleanups

STATUS.md

@@ -29,7 +29,6 @@ The following ROM features are currently missing:
 * floating point routines
 * tape support
 * RS-232 support
-* breaking Kernal routines with RUN/STOP key
 * NMI handling is incomplete
 
 
@@ -133,7 +132,7 @@ NOTE: Even the 'DONE' routines won't support features described as missing in on
 | `$FFCF`   | `$F157`    | `CHRIN`     | PARTIAL  | no screen support, keyboard does not preserve .Y     |
 | `$FFD2`   | `$F1CA`    | `CHROUT`    | DONE     |                                                      |
 | `$FFD5`   | `$F49E`    | `LOAD`      | DONE     |                                                      |
-| `($0330)` | `$F4A5`    | `LOAD`      | PARTIAL  | no VERIFY support, no STOP key support               |
+| `($0330)` | `$F4A5`    | `LOAD`      | PARTIAL  | no VERIFY support                                    |
 | `$FFD8`   | `$F5DD`    | `SAVE`      | DONE     | only this preparation routine part is done           |
 | `($0332)` | `$F5ED`    | `SAVE`      | NOT DONE |                                                      |
 | `$FFDB`   |            | `SETTIM`    | DONE     |                                                      |