84PCE:Ports:1002

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Synopsis

Port Number: 1002

Function: Unknown. This port definitely doesn't control RAM or flash wait states.

Details

Bits [2:0]

Some values cause an instant crash unless interrupts are disabled and you are running in a RAM program; if you are running in a RAM program with interrupts disabled, no values cause a crash.

Value    Effect   
0 Instant crash
1 Instant crash
2 Instant freeze
3 Crash upon return to OS
4 No crash, freezes if you do anything complicated in the OS
5 No crash, freezes if you do anything complicated in the OS
6 Normal value
7 No ill-effects apparent, does not appear to make OS noticeably slower

Bit 3

Set this bit to crash.

Bits [7:4]

Writes have no apparent effect, value does not latch.