DOS ain't dead

debugxv - how to use I/O watchpoint? (Users)

posted by RayeR , CZ, 09.04.2025, 02:58

> bp %80 2
> Note the % - it's necessary, else debug adds base of CS or DS to the
> "address". Alternatively, "bp 0:80 2" should also work (not tested).

Huh, I got error with % (debugxv) - what's wrong? but 0:80 did the job and it stops at IO access...

-bp %80 2
    ^ Error
-bp 0:80 2
-bp
Bp0:00000080 02
-


---
DOS gives me freedom to unlimited HW access.

Complete thread:

• debugxv - how to use I/O watchpoint? - RayeR, 08.04.2025, 10:44 (Users)
  • debugxv - how to use I/O watchpoint? - Japheth, 08.04.2025, 12:30
    • debugxv - how to use I/O watchpoint? - RayeR, 08.04.2025, 14:11
      • debugxv - how to use I/O watchpoint? - Japheth, 09.04.2025, 05:53
        • debugxv - how to use I/O watchpoint? - RayeR, 09.04.2025, 11:19
          • debugxv - how to use I/O watchpoint? - Japheth, 09.04.2025, 16:33
            • debugxv - how to use I/O watchpoint? - RayeR, 09.04.2025, 20:08
            • debugxv - how to use I/O watchpoint? - RayeR, 11.04.2025, 06:14
              • debugxv - how to use I/O watchpoint? - Japheth, 11.04.2025, 09:10
                • debugxv - how to use I/O watchpoint? - RayeR, 12.04.2025, 05:59
                  • debugxv - how to use I/O watchpoint? - Japheth, 12.04.2025, 09:16
                    • debugxv - how to use I/O watchpoint? - RayeR, 12.04.2025, 15:02
                  • debugxv - how to use I/O watchpoint? - Japheth, 12.04.2025, 16:58
                  • debugxv - how to use I/O watchpoint? - rr, 12.04.2025, 18:10
                    • debugxv - how to use I/O watchpoint? - rr, 12.04.2025, 19:05
                      • debugxv - how to use I/O watchpoint? - rr, 12.04.2025, 20:11
                    • debugxv - how to use I/O watchpoint? - RayeR, 13.04.2025, 07:12
                      • debugxv - how to use I/O watchpoint? - ecm, 13.04.2025, 14:13
                        • speedsys.exe packed - ecm, 13.04.2025, 14:25
                          • speedsys.exe packed - ecm, 13.04.2025, 14:32
                            • speedsys.exe packed - RayeR, 15.04.2025, 06:43
        • debugxv - how to use I/O watchpoint? - tom, 09.04.2025, 21:06
          • debugxv - how to use I/O watchpoint? - Japheth, 10.04.2025, 13:14
            • debugxv - how to use I/O watchpoint? - tom, 10.04.2025, 18:27
    • debugxv - how to use I/O watchpoint? - RayeR, 09.04.2025, 02:58
      • debugxv - how to use I/O watchpoint? - Japheth, 09.04.2025, 05:50