Difference between revisions of "84PCE:Ports:1002"

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(Created page with "1002 - Flash Wait States? Flash Wait States? == Synopsis == '''Port Number:''' 1002 '''Function:''' Possi...")
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Revision as of 13:38, 27 March 2015

Synopsis

Port Number: 1002

Function: Possibly controls flash wait states.

Details

Bits [2:0]

Possibly controls flash wait states. 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

Bits [7:3]

Writes have no apparent effect, value does not latch.