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Writing to VIA IFR doesn't clear the set bits #441

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Yazwh0 opened this issue Oct 24, 2022 · 0 comments

Yazwh0 commented Oct 24, 2022

When writing to IFR, it should clear any bits that are set in the write. (bar bit 7, which is preserved)

This disables VIA interrupts, and then should clear the bits.

10 poke $9f0e, $7f
20 a=peek($9f0d)
30 print a
40 poke $9f0d, a
50 print peek($9f0d)

expected:

emulator:

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