Your timer interrupt won't work if you disable global interrupt. Try changing to the below code to see if something is displayed first:
DISABLE INTERRUPT
GOTO INITIALIZE
ENABLE INTERRUPT
MAIN:
GOTO MAIN 'Loop forever
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Your timer interrupt won't work if you disable global interrupt. Try changing to the below code to see if something is displayed first:
DISABLE INTERRUPT
GOTO INITIALIZE
ENABLE INTERRUPT
MAIN:
GOTO MAIN 'Loop forever
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