I was missing a pull-up on MCLR, and my soldering job was dodgey. I made a new harness, looks much nicer.

Still going nowhere in MCS+5; keep seeing HEX FILE MISSING before the command line window closes.


Managed to program using MPLAB IPE, I just don't get any blinky action on my Lab X-1.

Connecting to MPLAB PICkit 4

Currently loaded versions:
Application version...........00.08.54
Boot version..................01.00.00
Script version................00.05.35
Script build number...........86fedc5c2e
Tool pack version ............1.13.1519
PICkit 4 is supplying power to the target (5.00 volts).
Target device PIC16F877 found.
Device Revision Id = 0x6
Device Id = 0x9a0
2023-04-04 19:42:56 -0400 - Programming...
************************************************** ***
Calculating memory ranges for operation...

Erasing...

The following memory area(s) will be programmed:
program memory: start address = 0x0, end address = 0x39
configuration memory

Programming/Verify complete
2023-04-04 19:42:59 -0400 - Programming complete
*** Release From Reset mode is enabled ***
I'm gonna set up a breadboard, got a feeling something is wonky on my Lab-X1 (either OSC setting, jumpers, or that programmer header.