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MEGA65 / mega65-core

MEGA65 FPGA core
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NO SCROLL Locks up m65 #577

Closed dropnine closed 1 year ago

dropnine commented 2 years ago

M65 locks up when listingt BASIC in 1MHz speed.

Plastform: DevKit, MEGA65 firmware: ce23c67 ROM: 920366

To reproduce:

  1. SPEED 1
  2. LIST
  3. Press NO SCROLL
  4. Press RUN/STOP

Additional Info You can recover with RUN/STOP - RESTORE. Does not seem to affect 3.5 or 40 speeds. Affects botrh 40 and 80 column mode. Locks up on any line that no scroll is pressed.

lydon42 commented 1 year ago

Can't confirm this with the Batch 2 RC1. NO-SCROLL does stop the listing, pressing No-SCROLL again continues listing just fine.

dropnine commented 1 year ago

The issue still exists in the newst releases.

After pressing NO SCROLL, pressing RUN/STOP breaks from the listing in all speeds but in 1MHZ mode; it locks up the M65.

Instead of pressing NO SCROLL a second time, press RUN/STOP as Step 4 points out.

lydon42 commented 1 year ago

Ok, makes sense now, thanks for the clarification. So now we need to determine if it is a core bug or if it has it's roots in the rom.

dropnine commented 1 year ago

For sure lol

If there's anything I can do to help, please let me know.

Cheers.

lydon42 commented 1 year ago

Just to avoid later confusion: this is probably a ROM issue, as NO SCROLL has no special core functionality. We keep it open here until confirmation.

dansanderson commented 1 year ago

https://github.com/MEGA65/mega65-rom-public/issues/25#issuecomment-1305238506

dansanderson commented 1 year ago

This has been fixed in the ROM. This issue can be closed. (I don't have contributor access to this repo so I can't close it.)

dropnine commented 1 year ago

Tested issue. Seems to be solved. Speed 1 lock up in respect to no scroll, Run/stop works. Pressing caps/lock unlocked mega65 tested and is also resolved and working fine.