Seth Morabito 7268766cd6 Implement Step-Over functionality ...

This change adds a new "Step Over" button, which is enabled
when a "JSR" (Jump to Subroutine) instruction is encountered
while stepping through execution one instruction at a time.

Pressing "Step Over" will continue running instructions until a
corresponding "RTS" (Return from Subroutine) is encountered.
While stepping over a subroutine, the call stack depth is tracked
in an attempt to halt only when the *correct* RTS is encountered.
In other words, it should skip over other subroutines nested
inside the call you want to step over:

```
     JSR A # Step over here...
     ...
     JSR B
     ...
     RTS   # Returns from 'B', doesn't halt
     ...
     RTS   # Returns from 'A', halts after return
```

Implements feature request #18.

2025-03-30 15:18:00 -07:00

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assets

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main

Implement Step-Over functionality

2025-03-30 15:18:00 -07:00

test/java/com/loomcom/symon

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