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I am trying to have my 8051 interrupt on a serial port and jump to an ISR. I have the serial port setup and the interrupt works...sort of.... The problem I have is that I want to use 0x03 (ctrl-c) as my user interrupt. For some reason, the serial window will not give me a RI when I hit CTRL-C....Any normal character for example "c" works fine and I get a recieve interrupt... Why will the Serial Window not give me an RI when I type in Ctrl-C? MG
But Ctrl-V works and it has special Window meanings too... This is a recent problem by the way and occured when I upgraded to version 7.06. The older version let me use ctrl-c just fine...
"This is a recent problem by the way and occured when I upgraded to version 7.06. The older version let me use ctrl-c just fine... " That makes it sound even more likely that uVision is swallowing it! When you use PC tools, things like this are just a check box - maybe someone accidentally changed the setting? Or maybe Keil updated their MSVC and the default changed from "pass" to "trap" Or...